diff --git "a/gpt_langchain.py" "b/gpt_langchain.py"
deleted file mode 100644--- "a/gpt_langchain.py"
+++ /dev/null
@@ -1,5443 +0,0 @@
-import ast
-import asyncio
-import copy
-import functools
-import glob
-import gzip
-import inspect
-import json
-import os
-import pathlib
-import pickle
-import shutil
-import subprocess
-import tempfile
-import time
-import traceback
-import types
-import typing
-import urllib.error
-import uuid
-import zipfile
-from collections import defaultdict
-from datetime import datetime
-from functools import reduce
-from operator import concat
-import filelock
-import tabulate
-import yaml
-
-from joblib import delayed
-from langchain.callbacks import streaming_stdout
-from langchain.embeddings import HuggingFaceInstructEmbeddings
-from langchain.llms.huggingface_pipeline import VALID_TASKS
-from langchain.llms.utils import enforce_stop_tokens
-from langchain.schema import LLMResult, Generation
-from langchain.tools import PythonREPLTool
-from langchain.tools.json.tool import JsonSpec
-from tqdm import tqdm
-
-from utils import wrapped_partial, EThread, import_matplotlib, sanitize_filename, makedirs, get_url, flatten_list, \
- get_device, ProgressParallel, remove, hash_file, clear_torch_cache, NullContext, get_hf_server, FakeTokenizer, \
- have_libreoffice, have_arxiv, have_playwright, have_selenium, have_tesseract, have_doctr, have_pymupdf, set_openai, \
- get_list_or_str, have_pillow, only_selenium, only_playwright, only_unstructured_urls, get_sha, get_short_name, \
- get_accordion, have_jq, get_doc, get_source, have_chromamigdb, get_token_count, reverse_ucurve_list
-from enums import DocumentSubset, no_lora_str, model_token_mapping, source_prefix, source_postfix, non_query_commands, \
- LangChainAction, LangChainMode, DocumentChoice, LangChainTypes, font_size, head_acc, super_source_prefix, \
- super_source_postfix, langchain_modes_intrinsic, get_langchain_prompts, LangChainAgent
-from evaluate_params import gen_hyper, gen_hyper0
-from gen import get_model, SEED, get_limited_prompt, get_docs_tokens
-from prompter import non_hf_types, PromptType, Prompter
-from src.serpapi import H2OSerpAPIWrapper
-from utils_langchain import StreamingGradioCallbackHandler, _chunk_sources, _add_meta, add_parser, fix_json_meta
-
-import_matplotlib()
-
-import numpy as np
-import pandas as pd
-import requests
-from langchain.chains.qa_with_sources import load_qa_with_sources_chain
-# , GCSDirectoryLoader, GCSFileLoader
-# , OutlookMessageLoader # GPL3
-# ImageCaptionLoader, # use our own wrapper
-# ReadTheDocsLoader, # no special file, some path, so have to give as special option
-from langchain.document_loaders import PyPDFLoader, TextLoader, CSVLoader, PythonLoader, TomlLoader, \
- UnstructuredURLLoader, UnstructuredHTMLLoader, UnstructuredWordDocumentLoader, UnstructuredMarkdownLoader, \
- EverNoteLoader, UnstructuredEmailLoader, UnstructuredODTLoader, UnstructuredPowerPointLoader, \
- UnstructuredEPubLoader, UnstructuredImageLoader, UnstructuredRTFLoader, ArxivLoader, UnstructuredPDFLoader, \
- UnstructuredExcelLoader, JSONLoader
-from langchain.text_splitter import Language
-from langchain.chains.question_answering import load_qa_chain
-from langchain.docstore.document import Document
-from langchain import PromptTemplate, HuggingFaceTextGenInference, HuggingFacePipeline
-from langchain.vectorstores import Chroma
-from chromamig import ChromaMig
-
-
-def split_list(input_list, split_size):
- for i in range(0, len(input_list), split_size):
- yield input_list[i:i + split_size]
-
-
-def get_db(sources, use_openai_embedding=False, db_type='faiss',
- persist_directory=None, load_db_if_exists=True,
- langchain_mode='notset',
- langchain_mode_paths={},
- langchain_mode_types={},
- collection_name=None,
- hf_embedding_model=None,
- migrate_embedding_model=False,
- auto_migrate_db=False,
- n_jobs=-1):
- if not sources:
- return None
- user_path = langchain_mode_paths.get(langchain_mode)
- if persist_directory is None:
- langchain_type = langchain_mode_types.get(langchain_mode, LangChainTypes.EITHER.value)
- persist_directory, langchain_type = get_persist_directory(langchain_mode, langchain_type=langchain_type)
- langchain_mode_types[langchain_mode] = langchain_type
- assert hf_embedding_model is not None
-
- # get freshly-determined embedding model
- embedding = get_embedding(use_openai_embedding, hf_embedding_model=hf_embedding_model)
- assert collection_name is not None or langchain_mode != 'notset'
- if collection_name is None:
- collection_name = langchain_mode.replace(' ', '_')
-
- # Create vector database
- if db_type == 'faiss':
- from langchain.vectorstores import FAISS
- db = FAISS.from_documents(sources, embedding)
- elif db_type == 'weaviate':
- import weaviate
- from weaviate.embedded import EmbeddedOptions
- from langchain.vectorstores import Weaviate
-
- if os.getenv('WEAVIATE_URL', None):
- client = _create_local_weaviate_client()
- else:
- client = weaviate.Client(
- embedded_options=EmbeddedOptions(persistence_data_path=persist_directory)
- )
- index_name = collection_name.capitalize()
- db = Weaviate.from_documents(documents=sources, embedding=embedding, client=client, by_text=False,
- index_name=index_name)
- elif db_type in ['chroma', 'chroma_old']:
- assert persist_directory is not None
- # use_base already handled when making persist_directory, unless was passed into get_db()
- makedirs(persist_directory, exist_ok=True)
-
- # see if already actually have persistent db, and deal with possible changes in embedding
- db, use_openai_embedding, hf_embedding_model = \
- get_existing_db(None, persist_directory, load_db_if_exists, db_type,
- use_openai_embedding,
- langchain_mode, langchain_mode_paths, langchain_mode_types,
- hf_embedding_model, migrate_embedding_model, auto_migrate_db,
- verbose=False,
- n_jobs=n_jobs)
- if db is None:
- import logging
- logging.getLogger("chromadb").setLevel(logging.ERROR)
- if db_type == 'chroma':
- from chromadb.config import Settings
- settings_extra_kwargs = dict(is_persistent=True)
- else:
- from chromamigdb.config import Settings
- settings_extra_kwargs = dict(chroma_db_impl="duckdb+parquet")
- client_settings = Settings(anonymized_telemetry=False,
- persist_directory=persist_directory,
- **settings_extra_kwargs)
- if n_jobs in [None, -1]:
- n_jobs = int(os.getenv('OMP_NUM_THREADS', str(os.cpu_count() // 2)))
- num_threads = max(1, min(n_jobs, 8))
- else:
- num_threads = max(1, n_jobs)
- collection_metadata = {"hnsw:num_threads": num_threads}
- from_kwargs = dict(embedding=embedding,
- persist_directory=persist_directory,
- collection_name=collection_name,
- client_settings=client_settings,
- collection_metadata=collection_metadata)
- if db_type == 'chroma':
- import chromadb
- api = chromadb.PersistentClient(path=persist_directory)
- max_batch_size = api._producer.max_batch_size
- sources_batches = split_list(sources, max_batch_size)
- for sources_batch in sources_batches:
- db = Chroma.from_documents(documents=sources_batch, **from_kwargs)
- db.persist()
- else:
- db = ChromaMig.from_documents(documents=sources, **from_kwargs)
- clear_embedding(db)
- save_embed(db, use_openai_embedding, hf_embedding_model)
- else:
- # then just add
- # doesn't check or change embedding, just saves it in case not saved yet, after persisting
- db, num_new_sources, new_sources_metadata = add_to_db(db, sources, db_type=db_type,
- use_openai_embedding=use_openai_embedding,
- hf_embedding_model=hf_embedding_model)
- else:
- raise RuntimeError("No such db_type=%s" % db_type)
-
- # once here, db is not changing and embedding choices in calling functions does not matter
- return db
-
-
-def _get_unique_sources_in_weaviate(db):
- batch_size = 100
- id_source_list = []
- result = db._client.data_object.get(class_name=db._index_name, limit=batch_size)
-
- while result['objects']:
- id_source_list += [(obj['id'], obj['properties']['source']) for obj in result['objects']]
- last_id = id_source_list[-1][0]
- result = db._client.data_object.get(class_name=db._index_name, limit=batch_size, after=last_id)
-
- unique_sources = {source for _, source in id_source_list}
- return unique_sources
-
-
-def del_from_db(db, sources, db_type=None):
- if db_type in ['chroma', 'chroma_old'] and db is not None:
- # sources should be list of x.metadata['source'] from document metadatas
- if isinstance(sources, str):
- sources = [sources]
- else:
- assert isinstance(sources, (list, tuple, types.GeneratorType))
- metadatas = set(sources)
- client_collection = db._client.get_collection(name=db._collection.name,
- embedding_function=db._collection._embedding_function)
- for source in metadatas:
- meta = dict(source=source)
- try:
- client_collection.delete(where=meta)
- except KeyError:
- pass
-
-
-def add_to_db(db, sources, db_type='faiss',
- avoid_dup_by_file=False,
- avoid_dup_by_content=True,
- use_openai_embedding=False,
- hf_embedding_model=None):
- assert hf_embedding_model is not None
- num_new_sources = len(sources)
- if not sources:
- return db, num_new_sources, []
- if db_type == 'faiss':
- db.add_documents(sources)
- elif db_type == 'weaviate':
- # FIXME: only control by file name, not hash yet
- if avoid_dup_by_file or avoid_dup_by_content:
- unique_sources = _get_unique_sources_in_weaviate(db)
- sources = [x for x in sources if x.metadata['source'] not in unique_sources]
- num_new_sources = len(sources)
- if num_new_sources == 0:
- return db, num_new_sources, []
- db.add_documents(documents=sources)
- elif db_type in ['chroma', 'chroma_old']:
- collection = get_documents(db)
- # files we already have:
- metadata_files = set([x['source'] for x in collection['metadatas']])
- if avoid_dup_by_file:
- # Too weak in case file changed content, assume parent shouldn't pass true for this for now
- raise RuntimeError("Not desired code path")
- if avoid_dup_by_content:
- # look at hash, instead of page_content
- # migration: If no hash previously, avoid updating,
- # since don't know if need to update and may be expensive to redo all unhashed files
- metadata_hash_ids = set(
- [x['hashid'] for x in collection['metadatas'] if 'hashid' in x and x['hashid'] not in ["None", None]])
- # avoid sources with same hash
- sources = [x for x in sources if x.metadata.get('hashid') not in metadata_hash_ids]
- num_nohash = len([x for x in sources if not x.metadata.get('hashid')])
- print("Found %s new sources (%d have no hash in original source,"
- " so have to reprocess for migration to sources with hash)" % (len(sources), num_nohash), flush=True)
- # get new file names that match existing file names. delete existing files we are overridding
- dup_metadata_files = set([x.metadata['source'] for x in sources if x.metadata['source'] in metadata_files])
- print("Removing %s duplicate files from db because ingesting those as new documents" % len(
- dup_metadata_files), flush=True)
- client_collection = db._client.get_collection(name=db._collection.name,
- embedding_function=db._collection._embedding_function)
- for dup_file in dup_metadata_files:
- dup_file_meta = dict(source=dup_file)
- try:
- client_collection.delete(where=dup_file_meta)
- except KeyError:
- pass
- num_new_sources = len(sources)
- if num_new_sources == 0:
- return db, num_new_sources, []
- if hasattr(db, '_persist_directory'):
- print("Existing db, adding to %s" % db._persist_directory, flush=True)
- # chroma only
- lock_file = get_db_lock_file(db)
- context = filelock.FileLock
- else:
- lock_file = None
- context = NullContext
- with context(lock_file):
- # this is place where add to db, but others maybe accessing db, so lock access.
- # else see RuntimeError: Index seems to be corrupted or unsupported
- import chromadb
- api = chromadb.PersistentClient(path=db._persist_directory)
- max_batch_size = api._producer.max_batch_size
- sources_batches = split_list(sources, max_batch_size)
- for sources_batch in sources_batches:
- db.add_documents(documents=sources_batch)
- db.persist()
- clear_embedding(db)
- # save here is for migration, in case old db directory without embedding saved
- save_embed(db, use_openai_embedding, hf_embedding_model)
- else:
- raise RuntimeError("No such db_type=%s" % db_type)
-
- new_sources_metadata = [x.metadata for x in sources]
-
- return db, num_new_sources, new_sources_metadata
-
-
-def create_or_update_db(db_type, persist_directory, collection_name,
- user_path, langchain_type,
- sources, use_openai_embedding, add_if_exists, verbose,
- hf_embedding_model, migrate_embedding_model, auto_migrate_db,
- n_jobs=-1):
- if not os.path.isdir(persist_directory) or not add_if_exists:
- if os.path.isdir(persist_directory):
- if verbose:
- print("Removing %s" % persist_directory, flush=True)
- remove(persist_directory)
- if verbose:
- print("Generating db", flush=True)
- if db_type == 'weaviate':
- import weaviate
- from weaviate.embedded import EmbeddedOptions
-
- if os.getenv('WEAVIATE_URL', None):
- client = _create_local_weaviate_client()
- else:
- client = weaviate.Client(
- embedded_options=EmbeddedOptions(persistence_data_path=persist_directory)
- )
-
- index_name = collection_name.replace(' ', '_').capitalize()
- if client.schema.exists(index_name) and not add_if_exists:
- client.schema.delete_class(index_name)
- if verbose:
- print("Removing %s" % index_name, flush=True)
- elif db_type in ['chroma', 'chroma_old']:
- pass
-
- if not add_if_exists:
- if verbose:
- print("Generating db", flush=True)
- else:
- if verbose:
- print("Loading and updating db", flush=True)
-
- db = get_db(sources,
- use_openai_embedding=use_openai_embedding,
- db_type=db_type,
- persist_directory=persist_directory,
- langchain_mode=collection_name,
- langchain_mode_paths={collection_name: user_path},
- langchain_mode_types={collection_name: langchain_type},
- hf_embedding_model=hf_embedding_model,
- migrate_embedding_model=migrate_embedding_model,
- auto_migrate_db=auto_migrate_db,
- n_jobs=n_jobs)
-
- return db
-
-
-from langchain.embeddings import FakeEmbeddings
-
-
-class H2OFakeEmbeddings(FakeEmbeddings):
- """Fake embedding model, but constant instead of random"""
-
- size: int
- """The size of the embedding vector."""
-
- def _get_embedding(self) -> typing.List[float]:
- return [1] * self.size
-
- def embed_documents(self, texts: typing.List[str]) -> typing.List[typing.List[float]]:
- return [self._get_embedding() for _ in texts]
-
- def embed_query(self, text: str) -> typing.List[float]:
- return self._get_embedding()
-
-
-def get_embedding(use_openai_embedding, hf_embedding_model=None, preload=False):
- assert hf_embedding_model is not None
- # Get embedding model
- if use_openai_embedding:
- assert os.getenv("OPENAI_API_KEY") is not None, "Set ENV OPENAI_API_KEY"
- from langchain.embeddings import OpenAIEmbeddings
- embedding = OpenAIEmbeddings(disallowed_special=())
- elif hf_embedding_model == 'fake':
- embedding = H2OFakeEmbeddings(size=1)
- else:
- if isinstance(hf_embedding_model, str):
- pass
- elif isinstance(hf_embedding_model, dict):
- # embedding itself preloaded globally
- return hf_embedding_model['model']
- else:
- # object
- return hf_embedding_model
- # to ensure can fork without deadlock
- from langchain.embeddings import HuggingFaceEmbeddings
-
- device, torch_dtype, context_class = get_device_dtype()
- model_kwargs = dict(device=device)
- if 'instructor' in hf_embedding_model:
- encode_kwargs = {'normalize_embeddings': True}
- embedding = HuggingFaceInstructEmbeddings(model_name=hf_embedding_model,
- model_kwargs=model_kwargs,
- encode_kwargs=encode_kwargs)
- else:
- embedding = HuggingFaceEmbeddings(model_name=hf_embedding_model, model_kwargs=model_kwargs)
- embedding.client.preload = preload
- return embedding
-
-
-def get_answer_from_sources(chain, sources, question):
- return chain(
- {
- "input_documents": sources,
- "question": question,
- },
- return_only_outputs=True,
- )["output_text"]
-
-
-"""Wrapper around Huggingface text generation inference API."""
-from functools import partial
-from typing import Any, Dict, List, Optional, Set, Iterable
-
-from pydantic import Extra, Field, root_validator
-
-from langchain.callbacks.manager import CallbackManagerForLLMRun, AsyncCallbackManagerForLLMRun
-from langchain.llms.base import LLM
-
-
-class GradioInference(LLM):
- """
- Gradio generation inference API.
- """
- inference_server_url: str = ""
-
- temperature: float = 0.8
- top_p: Optional[float] = 0.95
- top_k: Optional[int] = None
- num_beams: Optional[int] = 1
- max_new_tokens: int = 512
- min_new_tokens: int = 1
- early_stopping: bool = False
- max_time: int = 180
- repetition_penalty: Optional[float] = None
- num_return_sequences: Optional[int] = 1
- do_sample: bool = False
- chat_client: bool = False
-
- return_full_text: bool = False
- stream_output: bool = False
- sanitize_bot_response: bool = False
-
- prompter: Any = None
- context: Any = ''
- iinput: Any = ''
- client: Any = None
- tokenizer: Any = None
-
- system_prompt: Any = None
- visible_models: Any = None
- h2ogpt_key: Any = None
-
- count_input_tokens: Any = 0
- count_output_tokens: Any = 0
-
- min_max_new_tokens: Any = 256
-
- class Config:
- """Configuration for this pydantic object."""
-
- extra = Extra.forbid
-
- @root_validator()
- def validate_environment(cls, values: Dict) -> Dict:
- """Validate that python package exists in environment."""
-
- try:
- if values['client'] is None:
- import gradio_client
- values["client"] = gradio_client.Client(
- values["inference_server_url"]
- )
- except ImportError:
- raise ImportError(
- "Could not import gradio_client python package. "
- "Please install it with `pip install gradio_client`."
- )
- return values
-
- @property
- def _llm_type(self) -> str:
- """Return type of llm."""
- return "gradio_inference"
-
- def _call(
- self,
- prompt: str,
- stop: Optional[List[str]] = None,
- run_manager: Optional[CallbackManagerForLLMRun] = None,
- **kwargs: Any,
- ) -> str:
- # NOTE: prompt here has no prompt_type (e.g. human: bot:) prompt injection,
- # so server should get prompt_type or '', not plain
- # This is good, so gradio server can also handle stopping.py conditions
- # this is different than TGI server that uses prompter to inject prompt_type prompting
- stream_output = self.stream_output
- gr_client = self.client
- client_langchain_mode = 'Disabled'
- client_add_chat_history_to_context = True
- client_add_search_to_context = False
- client_chat_conversation = []
- client_langchain_action = LangChainAction.QUERY.value
- client_langchain_agents = []
- top_k_docs = 1
- chunk = True
- chunk_size = 512
- client_kwargs = dict(instruction=prompt if self.chat_client else '', # only for chat=True
- iinput=self.iinput if self.chat_client else '', # only for chat=True
- context=self.context,
- # streaming output is supported, loops over and outputs each generation in streaming mode
- # but leave stream_output=False for simple input/output mode
- stream_output=stream_output,
- prompt_type=self.prompter.prompt_type,
- prompt_dict='',
-
- temperature=self.temperature,
- top_p=self.top_p,
- top_k=self.top_k,
- num_beams=self.num_beams,
- max_new_tokens=self.max_new_tokens,
- min_new_tokens=self.min_new_tokens,
- early_stopping=self.early_stopping,
- max_time=self.max_time,
- repetition_penalty=self.repetition_penalty,
- num_return_sequences=self.num_return_sequences,
- do_sample=self.do_sample,
- chat=self.chat_client,
-
- instruction_nochat=prompt if not self.chat_client else '',
- iinput_nochat=self.iinput if not self.chat_client else '',
- langchain_mode=client_langchain_mode,
- add_chat_history_to_context=client_add_chat_history_to_context,
- langchain_action=client_langchain_action,
- langchain_agents=client_langchain_agents,
- top_k_docs=top_k_docs,
- chunk=chunk,
- chunk_size=chunk_size,
- document_subset=DocumentSubset.Relevant.name,
- document_choice=[DocumentChoice.ALL.value],
- pre_prompt_query=None,
- prompt_query=None,
- pre_prompt_summary=None,
- prompt_summary=None,
- system_prompt=self.system_prompt,
- image_loaders=None, # don't need to further do doc specific things
- pdf_loaders=None, # don't need to further do doc specific things
- url_loaders=None, # don't need to further do doc specific things
- jq_schema=None, # don't need to further do doc specific things
- visible_models=self.visible_models,
- h2ogpt_key=self.h2ogpt_key,
- add_search_to_context=client_add_search_to_context,
- chat_conversation=client_chat_conversation,
- text_context_list=None,
- docs_ordering_type=None,
- min_max_new_tokens=self.min_max_new_tokens,
- )
- api_name = '/submit_nochat_api' # NOTE: like submit_nochat but stable API for string dict passing
- self.count_input_tokens += self.get_num_tokens(prompt)
-
- if not stream_output:
- res = gr_client.predict(str(dict(client_kwargs)), api_name=api_name)
- res_dict = ast.literal_eval(res)
- text = res_dict['response']
- ret = self.prompter.get_response(prompt + text, prompt=prompt,
- sanitize_bot_response=self.sanitize_bot_response)
- self.count_output_tokens += self.get_num_tokens(ret)
- return ret
- else:
- text_callback = None
- if run_manager:
- text_callback = partial(
- run_manager.on_llm_new_token, verbose=self.verbose
- )
-
- job = gr_client.submit(str(dict(client_kwargs)), api_name=api_name)
- text0 = ''
- while not job.done():
- if job.communicator.job.latest_status.code.name == 'FINISHED':
- break
- e = job.future._exception
- if e is not None:
- break
- outputs_list = job.communicator.job.outputs
- if outputs_list:
- res = job.communicator.job.outputs[-1]
- res_dict = ast.literal_eval(res)
- text = res_dict['response']
- text = self.prompter.get_response(prompt + text, prompt=prompt,
- sanitize_bot_response=self.sanitize_bot_response)
- # FIXME: derive chunk from full for now
- text_chunk = text[len(text0):]
- if not text_chunk:
- continue
- # save old
- text0 = text
-
- if text_callback:
- text_callback(text_chunk)
-
- time.sleep(0.01)
-
- # ensure get last output to avoid race
- res_all = job.outputs()
- if len(res_all) > 0:
- res = res_all[-1]
- res_dict = ast.literal_eval(res)
- text = res_dict['response']
- # FIXME: derive chunk from full for now
- else:
- # go with old if failure
- text = text0
- text_chunk = text[len(text0):]
- if text_callback:
- text_callback(text_chunk)
- ret = self.prompter.get_response(prompt + text, prompt=prompt,
- sanitize_bot_response=self.sanitize_bot_response)
- self.count_output_tokens += self.get_num_tokens(ret)
- return ret
-
- def get_token_ids(self, text: str) -> List[int]:
- return self.tokenizer.encode(text)
- # avoid base method that is not aware of how to properly tokenize (uses GPT2)
- # return _get_token_ids_default_method(text)
-
-
-class H2OHuggingFaceTextGenInference(HuggingFaceTextGenInference):
- max_new_tokens: int = 512
- do_sample: bool = False
- top_k: Optional[int] = None
- top_p: Optional[float] = 0.95
- typical_p: Optional[float] = 0.95
- temperature: float = 0.8
- repetition_penalty: Optional[float] = None
- return_full_text: bool = False
- stop_sequences: List[str] = Field(default_factory=list)
- seed: Optional[int] = None
- inference_server_url: str = ""
- timeout: int = 300
- headers: dict = None
- stream_output: bool = False
- sanitize_bot_response: bool = False
- prompter: Any = None
- context: Any = ''
- iinput: Any = ''
- tokenizer: Any = None
- async_sem: Any = None
- count_input_tokens: Any = 0
- count_output_tokens: Any = 0
-
- def _call(
- self,
- prompt: str,
- stop: Optional[List[str]] = None,
- run_manager: Optional[CallbackManagerForLLMRun] = None,
- **kwargs: Any,
- ) -> str:
- if stop is None:
- stop = self.stop_sequences.copy()
- else:
- stop += self.stop_sequences.copy()
- stop_tmp = stop.copy()
- stop = []
- [stop.append(x) for x in stop_tmp if x not in stop]
-
- # HF inference server needs control over input tokens
- assert self.tokenizer is not None
- from h2oai_pipeline import H2OTextGenerationPipeline
- prompt, num_prompt_tokens = H2OTextGenerationPipeline.limit_prompt(prompt, self.tokenizer)
-
- # NOTE: TGI server does not add prompting, so must do here
- data_point = dict(context=self.context, instruction=prompt, input=self.iinput)
- prompt = self.prompter.generate_prompt(data_point)
- self.count_input_tokens += self.get_num_tokens(prompt)
-
- gen_server_kwargs = dict(do_sample=self.do_sample,
- stop_sequences=stop,
- max_new_tokens=self.max_new_tokens,
- top_k=self.top_k,
- top_p=self.top_p,
- typical_p=self.typical_p,
- temperature=self.temperature,
- repetition_penalty=self.repetition_penalty,
- return_full_text=self.return_full_text,
- seed=self.seed,
- )
- gen_server_kwargs.update(kwargs)
-
- # lower bound because client is re-used if multi-threading
- self.client.timeout = max(300, self.timeout)
-
- if not self.stream_output:
- res = self.client.generate(
- prompt,
- **gen_server_kwargs,
- )
- if self.return_full_text:
- gen_text = res.generated_text[len(prompt):]
- else:
- gen_text = res.generated_text
- # remove stop sequences from the end of the generated text
- for stop_seq in stop:
- if stop_seq in gen_text:
- gen_text = gen_text[:gen_text.index(stop_seq)]
- text = prompt + gen_text
- text = self.prompter.get_response(text, prompt=prompt,
- sanitize_bot_response=self.sanitize_bot_response)
- else:
- text_callback = None
- if run_manager:
- text_callback = partial(
- run_manager.on_llm_new_token, verbose=self.verbose
- )
- # parent handler of streamer expects to see prompt first else output="" and lose if prompt=None in prompter
- if text_callback:
- text_callback(prompt)
- text = ""
- # Note: Streaming ignores return_full_text=True
- for response in self.client.generate_stream(prompt, **gen_server_kwargs):
- text_chunk = response.token.text
- text += text_chunk
- text = self.prompter.get_response(prompt + text, prompt=prompt,
- sanitize_bot_response=self.sanitize_bot_response)
- # stream part
- is_stop = False
- for stop_seq in stop:
- if stop_seq in text_chunk:
- is_stop = True
- break
- if is_stop:
- break
- if not response.token.special:
- if text_callback:
- text_callback(text_chunk)
- self.count_output_tokens += self.get_num_tokens(text)
- return text
-
- async def _acall(
- self,
- prompt: str,
- stop: Optional[List[str]] = None,
- run_manager: Optional[AsyncCallbackManagerForLLMRun] = None,
- **kwargs: Any,
- ) -> str:
- # print("acall", flush=True)
- if stop is None:
- stop = self.stop_sequences.copy()
- else:
- stop += self.stop_sequences.copy()
- stop_tmp = stop.copy()
- stop = []
- [stop.append(x) for x in stop_tmp if x not in stop]
-
- # HF inference server needs control over input tokens
- assert self.tokenizer is not None
- from h2oai_pipeline import H2OTextGenerationPipeline
- prompt, num_prompt_tokens = H2OTextGenerationPipeline.limit_prompt(prompt, self.tokenizer)
-
- # NOTE: TGI server does not add prompting, so must do here
- data_point = dict(context=self.context, instruction=prompt, input=self.iinput)
- prompt = self.prompter.generate_prompt(data_point)
-
- gen_text = await super()._acall(prompt, stop=stop, run_manager=run_manager, **kwargs)
-
- # remove stop sequences from the end of the generated text
- for stop_seq in stop:
- if stop_seq in gen_text:
- gen_text = gen_text[:gen_text.index(stop_seq)]
- text = prompt + gen_text
- text = self.prompter.get_response(text, prompt=prompt,
- sanitize_bot_response=self.sanitize_bot_response)
- # print("acall done", flush=True)
- return text
-
- async def _agenerate(
- self,
- prompts: List[str],
- stop: Optional[List[str]] = None,
- run_manager: Optional[AsyncCallbackManagerForLLMRun] = None,
- **kwargs: Any,
- ) -> LLMResult:
- """Run the LLM on the given prompt and input."""
- generations = []
- new_arg_supported = inspect.signature(self._acall).parameters.get("run_manager")
- self.count_input_tokens += sum([self.get_num_tokens(prompt) for prompt in prompts])
- tasks = [
- asyncio.ensure_future(self._agenerate_one(prompt, stop=stop, run_manager=run_manager,
- new_arg_supported=new_arg_supported, **kwargs))
- for prompt in prompts
- ]
- texts = await asyncio.gather(*tasks)
- self.count_output_tokens += sum([self.get_num_tokens(text) for text in texts])
- [generations.append([Generation(text=text)]) for text in texts]
- return LLMResult(generations=generations)
-
- async def _agenerate_one(
- self,
- prompt: str,
- stop: Optional[List[str]] = None,
- run_manager: Optional[AsyncCallbackManagerForLLMRun] = None,
- new_arg_supported=None,
- **kwargs: Any,
- ) -> str:
- async with self.async_sem: # semaphore limits num of simultaneous downloads
- return await self._acall(prompt, stop=stop, run_manager=run_manager, **kwargs) \
- if new_arg_supported else \
- await self._acall(prompt, stop=stop, **kwargs)
-
- def get_token_ids(self, text: str) -> List[int]:
- return self.tokenizer.encode(text)
- # avoid base method that is not aware of how to properly tokenize (uses GPT2)
- # return _get_token_ids_default_method(text)
-
-
-from langchain.chat_models import ChatOpenAI, AzureChatOpenAI
-from langchain.llms import OpenAI, AzureOpenAI, Replicate
-from langchain.llms.openai import _streaming_response_template, completion_with_retry, _update_response, \
- update_token_usage
-
-
-class H2OOpenAI(OpenAI):
- """
- New class to handle vLLM's use of OpenAI, no vllm_chat supported, so only need here
- Handles prompting that OpenAI doesn't need, stopping as well
- """
- stop_sequences: Any = None
- sanitize_bot_response: bool = False
- prompter: Any = None
- context: Any = ''
- iinput: Any = ''
- tokenizer: Any = None
-
- @classmethod
- def _all_required_field_names(cls) -> Set:
- _all_required_field_names = super(OpenAI, cls)._all_required_field_names()
- _all_required_field_names.update(
- {'top_p', 'frequency_penalty', 'presence_penalty', 'stop_sequences', 'sanitize_bot_response', 'prompter',
- 'tokenizer', 'logit_bias'})
- return _all_required_field_names
-
- def _generate(
- self,
- prompts: List[str],
- stop: Optional[List[str]] = None,
- run_manager: Optional[CallbackManagerForLLMRun] = None,
- **kwargs: Any,
- ) -> LLMResult:
- stop_tmp = self.stop_sequences if not stop else self.stop_sequences + stop
- stop = []
- [stop.append(x) for x in stop_tmp if x not in stop]
-
- # HF inference server needs control over input tokens
- assert self.tokenizer is not None
- from h2oai_pipeline import H2OTextGenerationPipeline
- for prompti, prompt in enumerate(prompts):
- prompt, num_prompt_tokens = H2OTextGenerationPipeline.limit_prompt(prompt, self.tokenizer)
- # NOTE: OpenAI/vLLM server does not add prompting, so must do here
- data_point = dict(context=self.context, instruction=prompt, input=self.iinput)
- prompt = self.prompter.generate_prompt(data_point)
- prompts[prompti] = prompt
-
- params = self._invocation_params
- params = {**params, **kwargs}
- sub_prompts = self.get_sub_prompts(params, prompts, stop)
- choices = []
- token_usage: Dict[str, int] = {}
- # Get the token usage from the response.
- # Includes prompt, completion, and total tokens used.
- _keys = {"completion_tokens", "prompt_tokens", "total_tokens"}
- text = ''
- for _prompts in sub_prompts:
- if self.streaming:
- text_with_prompt = ""
- prompt = _prompts[0]
- if len(_prompts) > 1:
- raise ValueError("Cannot stream results with multiple prompts.")
- params["stream"] = True
- response = _streaming_response_template()
- first = True
- for stream_resp in completion_with_retry(
- self, prompt=_prompts, **params
- ):
- if first:
- stream_resp["choices"][0]["text"] = prompt + stream_resp["choices"][0]["text"]
- first = False
- text_chunk = stream_resp["choices"][0]["text"]
- text_with_prompt += text_chunk
- text = self.prompter.get_response(text_with_prompt, prompt=prompt,
- sanitize_bot_response=self.sanitize_bot_response)
- if run_manager:
- run_manager.on_llm_new_token(
- text_chunk,
- verbose=self.verbose,
- logprobs=stream_resp["choices"][0]["logprobs"],
- )
- _update_response(response, stream_resp)
- choices.extend(response["choices"])
- else:
- response = completion_with_retry(self, prompt=_prompts, **params)
- choices.extend(response["choices"])
- if not self.streaming:
- # Can't update token usage if streaming
- update_token_usage(_keys, response, token_usage)
- if self.streaming:
- choices[0]['text'] = text
- return self.create_llm_result(choices, prompts, token_usage)
-
- def get_token_ids(self, text: str) -> List[int]:
- if self.tokenizer is not None:
- return self.tokenizer.encode(text)
- else:
- # OpenAI uses tiktoken
- return super().get_token_ids(text)
-
-
-class H2OReplicate(Replicate):
- stop_sequences: Any = None
- sanitize_bot_response: bool = False
- prompter: Any = None
- context: Any = ''
- iinput: Any = ''
- tokenizer: Any = None
-
- def _call(
- self,
- prompt: str,
- stop: Optional[List[str]] = None,
- run_manager: Optional[CallbackManagerForLLMRun] = None,
- **kwargs: Any,
- ) -> str:
- """Call to replicate endpoint."""
- stop_tmp = self.stop_sequences if not stop else self.stop_sequences + stop
- stop = []
- [stop.append(x) for x in stop_tmp if x not in stop]
-
- # HF inference server needs control over input tokens
- assert self.tokenizer is not None
- from h2oai_pipeline import H2OTextGenerationPipeline
- prompt, num_prompt_tokens = H2OTextGenerationPipeline.limit_prompt(prompt, self.tokenizer)
- # Note Replicate handles the prompting of the specific model
- return super()._call(prompt, stop=stop, run_manager=run_manager, **kwargs)
-
- def get_token_ids(self, text: str) -> List[int]:
- return self.tokenizer.encode(text)
- # avoid base method that is not aware of how to properly tokenize (uses GPT2)
- # return _get_token_ids_default_method(text)
-
-
-class H2OChatOpenAI(ChatOpenAI):
- @classmethod
- def _all_required_field_names(cls) -> Set:
- _all_required_field_names = super(ChatOpenAI, cls)._all_required_field_names()
- _all_required_field_names.update({'top_p', 'frequency_penalty', 'presence_penalty', 'logit_bias'})
- return _all_required_field_names
-
-
-class H2OAzureChatOpenAI(AzureChatOpenAI):
- @classmethod
- def _all_required_field_names(cls) -> Set:
- _all_required_field_names = super(AzureChatOpenAI, cls)._all_required_field_names()
- _all_required_field_names.update({'top_p', 'frequency_penalty', 'presence_penalty', 'logit_bias'})
- return _all_required_field_names
-
-
-class H2OAzureOpenAI(AzureOpenAI):
- @classmethod
- def _all_required_field_names(cls) -> Set:
- _all_required_field_names = super(AzureOpenAI, cls)._all_required_field_names()
- _all_required_field_names.update({'top_p', 'frequency_penalty', 'presence_penalty', 'logit_bias'})
- return _all_required_field_names
-
-
-class H2OHuggingFacePipeline(HuggingFacePipeline):
- def _call(
- self,
- prompt: str,
- stop: Optional[List[str]] = None,
- run_manager: Optional[CallbackManagerForLLMRun] = None,
- **kwargs: Any,
- ) -> str:
- response = self.pipeline(prompt, stop=stop)
- if self.pipeline.task == "text-generation":
- # Text generation return includes the starter text.
- text = response[0]["generated_text"][len(prompt):]
- elif self.pipeline.task == "text2text-generation":
- text = response[0]["generated_text"]
- elif self.pipeline.task == "summarization":
- text = response[0]["summary_text"]
- else:
- raise ValueError(
- f"Got invalid task {self.pipeline.task}, "
- f"currently only {VALID_TASKS} are supported"
- )
- if stop:
- # This is a bit hacky, but I can't figure out a better way to enforce
- # stop tokens when making calls to huggingface_hub.
- text = enforce_stop_tokens(text, stop)
- return text
-
-
-def get_llm(use_openai_model=False,
- model_name=None,
- model=None,
- tokenizer=None,
- inference_server=None,
- langchain_only_model=None,
- stream_output=False,
- async_output=True,
- num_async=3,
- do_sample=False,
- temperature=0.1,
- top_k=40,
- top_p=0.7,
- num_beams=1,
- max_new_tokens=512,
- min_new_tokens=1,
- early_stopping=False,
- max_time=180,
- repetition_penalty=1.0,
- num_return_sequences=1,
- prompt_type=None,
- prompt_dict=None,
- prompter=None,
- context=None,
- iinput=None,
- sanitize_bot_response=False,
- system_prompt='',
- visible_models=0,
- h2ogpt_key=None,
- min_max_new_tokens=None,
- n_jobs=None,
- cli=False,
- llamacpp_dict=None,
- verbose=False,
- ):
- # currently all but h2oai_pipeline case return prompt + new text, but could change
- only_new_text = False
-
- if n_jobs in [None, -1]:
- n_jobs = int(os.getenv('OMP_NUM_THREADS', str(os.cpu_count() // 2)))
- if inference_server is None:
- inference_server = ''
- if inference_server.startswith('replicate'):
- model_string = ':'.join(inference_server.split(':')[1:])
- if 'meta/llama' in model_string:
- temperature = max(0.01, temperature if do_sample else 0)
- else:
- temperature =temperature if do_sample else 0
- gen_kwargs = dict(temperature=temperature,
- seed=1234,
- max_length=max_new_tokens, # langchain
- max_new_tokens=max_new_tokens, # replicate docs
- top_p=top_p if do_sample else 1,
- top_k=top_k, # not always supported
- repetition_penalty=repetition_penalty)
- if system_prompt in [None, 'None', 'auto']:
- if prompter.system_prompt:
- system_prompt = prompter.system_prompt
- else:
- system_prompt = ''
- if system_prompt:
- gen_kwargs.update(dict(system_prompt=system_prompt))
-
- # replicate handles prompting, so avoid get_response() filter
- prompter.prompt_type = 'plain'
- if stream_output:
- callbacks = [StreamingGradioCallbackHandler()]
- streamer = callbacks[0] if stream_output else None
- llm = H2OReplicate(
- streaming=True,
- callbacks=callbacks,
- model=model_string,
- input=gen_kwargs,
- stop=prompter.stop_sequences,
- stop_sequences=prompter.stop_sequences,
- sanitize_bot_response=sanitize_bot_response,
- prompter=prompter,
- context=context,
- iinput=iinput,
- tokenizer=tokenizer,
- )
- else:
- streamer = None
- llm = H2OReplicate(
- model=model_string,
- input=gen_kwargs,
- stop=prompter.stop_sequences,
- stop_sequences=prompter.stop_sequences,
- sanitize_bot_response=sanitize_bot_response,
- prompter=prompter,
- context=context,
- iinput=iinput,
- tokenizer=tokenizer,
- )
- elif use_openai_model or inference_server.startswith('openai') or inference_server.startswith('vllm'):
- if use_openai_model and model_name is None:
- model_name = "gpt-3.5-turbo"
- # FIXME: Will later import be ignored? I think so, so should be fine
- openai, inf_type, deployment_name, base_url, api_version = set_openai(inference_server)
- kwargs_extra = {}
- if inf_type == 'openai_chat' or inf_type == 'vllm_chat':
- cls = H2OChatOpenAI
- # FIXME: Support context, iinput
- # if inf_type == 'vllm_chat':
- # kwargs_extra.update(dict(tokenizer=tokenizer))
- openai_api_key = openai.api_key
- elif inf_type == 'openai_azure_chat':
- cls = H2OAzureChatOpenAI
- kwargs_extra.update(dict(openai_api_type='azure'))
- # FIXME: Support context, iinput
- if os.getenv('OPENAI_AZURE_KEY') is not None:
- openai_api_key = os.getenv('OPENAI_AZURE_KEY')
- else:
- openai_api_key = openai.api_key
- elif inf_type == 'openai_azure':
- cls = H2OAzureOpenAI
- kwargs_extra.update(dict(openai_api_type='azure'))
- # FIXME: Support context, iinput
- if os.getenv('OPENAI_AZURE_KEY') is not None:
- openai_api_key = os.getenv('OPENAI_AZURE_KEY')
- else:
- openai_api_key = openai.api_key
- else:
- cls = H2OOpenAI
- if inf_type == 'vllm':
- kwargs_extra.update(dict(stop_sequences=prompter.stop_sequences,
- sanitize_bot_response=sanitize_bot_response,
- prompter=prompter,
- context=context,
- iinput=iinput,
- tokenizer=tokenizer,
- openai_api_base=openai.api_base,
- client=None))
- else:
- assert inf_type == 'openai' or use_openai_model
- openai_api_key = openai.api_key
-
- if deployment_name:
- kwargs_extra.update(dict(deployment_name=deployment_name))
- if api_version:
- kwargs_extra.update(dict(openai_api_version=api_version))
- elif openai.api_version:
- kwargs_extra.update(dict(openai_api_version=openai.api_version))
- elif inf_type in ['openai_azure', 'openai_azure_chat']:
- kwargs_extra.update(dict(openai_api_version="2023-05-15"))
- if base_url:
- kwargs_extra.update(dict(openai_api_base=base_url))
- else:
- kwargs_extra.update(dict(openai_api_base=openai.api_base))
-
- callbacks = [StreamingGradioCallbackHandler()]
- llm = cls(model_name=model_name,
- temperature=temperature if do_sample else 0,
- # FIXME: Need to count tokens and reduce max_new_tokens to fit like in generate.py
- max_tokens=max_new_tokens,
- top_p=top_p if do_sample else 1,
- frequency_penalty=0,
- presence_penalty=1.07 - repetition_penalty + 0.6, # so good default
- callbacks=callbacks if stream_output else None,
- openai_api_key=openai_api_key,
- logit_bias=None if inf_type == 'vllm' else {},
- max_retries=6,
- streaming=stream_output,
- **kwargs_extra
- )
- streamer = callbacks[0] if stream_output else None
- if inf_type in ['openai', 'openai_chat', 'openai_azure', 'openai_azure_chat']:
- prompt_type = inference_server
- else:
- # vllm goes here
- prompt_type = prompt_type or 'plain'
- elif inference_server and inference_server.startswith('sagemaker'):
- callbacks = [StreamingGradioCallbackHandler()] # FIXME
- streamer = None
-
- endpoint_name = ':'.join(inference_server.split(':')[1:2])
- region_name = ':'.join(inference_server.split(':')[2:])
-
- from sagemaker import H2OSagemakerEndpoint, ChatContentHandler, BaseContentHandler
- if inference_server.startswith('sagemaker_chat'):
- content_handler = ChatContentHandler()
- else:
- content_handler = BaseContentHandler()
- model_kwargs = dict(temperature=temperature if do_sample else 1E-10,
- return_full_text=False, top_p=top_p, max_new_tokens=max_new_tokens)
- llm = H2OSagemakerEndpoint(
- endpoint_name=endpoint_name,
- region_name=region_name,
- aws_access_key_id=os.environ.get('AWS_ACCESS_KEY_ID'),
- aws_secret_access_key=os.environ.get('AWS_SECRET_ACCESS_KEY'),
- model_kwargs=model_kwargs,
- content_handler=content_handler,
- endpoint_kwargs={'CustomAttributes': 'accept_eula=true'},
- )
- elif inference_server:
- assert inference_server.startswith(
- 'http'), "Malformed inference_server=%s. Did you add http:// in front?" % inference_server
-
- from gradio_utils.grclient import GradioClient
- from text_generation import Client as HFClient
- if isinstance(model, GradioClient):
- gr_client = model
- hf_client = None
- else:
- gr_client = None
- hf_client = model
- assert isinstance(hf_client, HFClient)
-
- inference_server, headers = get_hf_server(inference_server)
-
- # quick sanity check to avoid long timeouts, just see if can reach server
- requests.get(inference_server, timeout=int(os.getenv('REQUEST_TIMEOUT_FAST', '10')))
- callbacks = [StreamingGradioCallbackHandler()]
-
- if gr_client:
- async_output = False # FIXME: not implemented yet
- chat_client = False
- llm = GradioInference(
- inference_server_url=inference_server,
- return_full_text=False,
-
- temperature=temperature,
- top_p=top_p,
- top_k=top_k,
- num_beams=num_beams,
- max_new_tokens=max_new_tokens,
- min_new_tokens=min_new_tokens,
- early_stopping=early_stopping,
- max_time=max_time,
- repetition_penalty=repetition_penalty,
- num_return_sequences=num_return_sequences,
- do_sample=do_sample,
- chat_client=chat_client,
-
- callbacks=callbacks if stream_output else None,
- stream_output=stream_output,
- prompter=prompter,
- context=context,
- iinput=iinput,
- client=gr_client,
- sanitize_bot_response=sanitize_bot_response,
- tokenizer=tokenizer,
- system_prompt=system_prompt,
- visible_models=visible_models,
- h2ogpt_key=h2ogpt_key,
- min_max_new_tokens=min_max_new_tokens,
- )
- elif hf_client:
- # no need to pass original client, no state and fast, so can use same validate_environment from base class
- async_sem = asyncio.Semaphore(num_async) if async_output else NullContext()
- llm = H2OHuggingFaceTextGenInference(
- inference_server_url=inference_server,
- do_sample=do_sample,
- max_new_tokens=max_new_tokens,
- repetition_penalty=repetition_penalty,
- return_full_text=False, # this only controls internal behavior, still returns processed text
- seed=SEED,
-
- stop_sequences=prompter.stop_sequences,
- temperature=temperature,
- top_k=top_k,
- top_p=top_p,
- # typical_p=top_p,
- callbacks=callbacks if stream_output else None,
- stream_output=stream_output,
- prompter=prompter,
- context=context,
- iinput=iinput,
- tokenizer=tokenizer,
- timeout=max_time,
- sanitize_bot_response=sanitize_bot_response,
- async_sem=async_sem,
- )
- else:
- raise RuntimeError("No defined client")
- streamer = callbacks[0] if stream_output else None
- elif model_name in non_hf_types:
- async_output = False # FIXME: not implemented yet
- assert langchain_only_model
- if model_name == 'llama':
- callbacks = [StreamingGradioCallbackHandler()]
- streamer = callbacks[0] if stream_output else None
- else:
- # stream_output = False
- # doesn't stream properly as generator, but at least
- callbacks = [streaming_stdout.StreamingStdOutCallbackHandler()]
- streamer = None
- if prompter:
- prompt_type = prompter.prompt_type
- else:
- prompter = Prompter(prompt_type, prompt_dict, debug=False, chat=False, stream_output=stream_output)
- pass # assume inputted prompt_type is correct
- from gpt4all_llm import get_llm_gpt4all
- max_max_tokens = tokenizer.model_max_length
- llm = get_llm_gpt4all(model_name,
- model=model,
- max_new_tokens=max_new_tokens,
- temperature=temperature,
- repetition_penalty=repetition_penalty,
- top_k=top_k,
- top_p=top_p,
- callbacks=callbacks,
- n_jobs=n_jobs,
- verbose=verbose,
- streaming=stream_output,
- prompter=prompter,
- context=context,
- iinput=iinput,
- max_seq_len=max_max_tokens,
- llamacpp_dict=llamacpp_dict,
- )
- elif hasattr(model, 'is_exlama') and model.is_exlama():
- async_output = False # FIXME: not implemented yet
- assert langchain_only_model
- callbacks = [StreamingGradioCallbackHandler()]
- streamer = callbacks[0] if stream_output else None
- max_max_tokens = tokenizer.model_max_length
-
- from src.llm_exllama import Exllama
- llm = Exllama(streaming=stream_output,
- model_path=None,
- model=model,
- lora_path=None,
- temperature=temperature,
- top_k=top_k,
- top_p=top_p,
- typical=.7,
- beams=1,
- # beam_length = 40,
- stop_sequences=prompter.stop_sequences,
- callbacks=callbacks,
- verbose=verbose,
- max_seq_len=max_max_tokens,
- fused_attn=False,
- # alpha_value = 1.0, #For use with any models
- # compress_pos_emb = 4.0, #For use with superhot
- # set_auto_map = "3, 2" #Gpu split, this will split 3gigs/2gigs
- prompter=prompter,
- context=context,
- iinput=iinput,
- )
- else:
- async_output = False # FIXME: not implemented yet
- if model is None:
- # only used if didn't pass model in
- assert tokenizer is None
- prompt_type = 'human_bot'
- if model_name is None:
- model_name = 'h2oai/h2ogpt-oasst1-512-12b'
- # model_name = 'h2oai/h2ogpt-oig-oasst1-512-6_9b'
- # model_name = 'h2oai/h2ogpt-oasst1-512-20b'
- inference_server = ''
- model, tokenizer, device = get_model(load_8bit=True, base_model=model_name,
- inference_server=inference_server, gpu_id=0)
-
- max_max_tokens = tokenizer.model_max_length
- only_new_text = True
- gen_kwargs = dict(do_sample=do_sample,
- num_beams=num_beams,
- max_new_tokens=max_new_tokens,
- min_new_tokens=min_new_tokens,
- early_stopping=early_stopping,
- max_time=max_time,
- repetition_penalty=repetition_penalty,
- num_return_sequences=num_return_sequences,
- return_full_text=not only_new_text,
- handle_long_generation=None)
- if do_sample:
- gen_kwargs.update(dict(temperature=temperature,
- top_k=top_k,
- top_p=top_p))
- assert len(set(gen_hyper).difference(gen_kwargs.keys())) == 0
- else:
- assert len(set(gen_hyper0).difference(gen_kwargs.keys())) == 0
-
- if stream_output:
- skip_prompt = only_new_text
- from gen import H2OTextIteratorStreamer
- decoder_kwargs = {}
- streamer = H2OTextIteratorStreamer(tokenizer, skip_prompt=skip_prompt, block=False, **decoder_kwargs)
- gen_kwargs.update(dict(streamer=streamer))
- else:
- streamer = None
-
- from h2oai_pipeline import H2OTextGenerationPipeline
- pipe = H2OTextGenerationPipeline(model=model, use_prompter=True,
- prompter=prompter,
- context=context,
- iinput=iinput,
- prompt_type=prompt_type,
- prompt_dict=prompt_dict,
- sanitize_bot_response=sanitize_bot_response,
- chat=False, stream_output=stream_output,
- tokenizer=tokenizer,
- # leave some room for 1 paragraph, even if min_new_tokens=0
- max_input_tokens=max_max_tokens - max(min_new_tokens, 256),
- base_model=model_name,
- **gen_kwargs)
- # pipe.task = "text-generation"
- # below makes it listen only to our prompt removal,
- # not built in prompt removal that is less general and not specific for our model
- pipe.task = "text2text-generation"
-
- llm = H2OHuggingFacePipeline(pipeline=pipe)
- return llm, model_name, streamer, prompt_type, async_output, only_new_text
-
-
-def get_device_dtype():
- # torch.device("cuda") leads to cuda:x cuda:y mismatches for multi-GPU consistently
- import torch
- n_gpus = torch.cuda.device_count() if torch.cuda.is_available else 0
- device = 'cpu' if n_gpus == 0 else 'cuda'
- # from utils import NullContext
- # context_class = NullContext if n_gpus > 1 or n_gpus == 0 else context_class
- context_class = torch.device
- torch_dtype = torch.float16 if device == 'cuda' else torch.float32
- return device, torch_dtype, context_class
-
-
-def get_wiki_data(title, first_paragraph_only, text_limit=None, take_head=True):
- """
- Get wikipedia data from online
- :param title:
- :param first_paragraph_only:
- :param text_limit:
- :param take_head:
- :return:
- """
- filename = 'wiki_%s_%s_%s_%s.data' % (first_paragraph_only, title, text_limit, take_head)
- url = f"https://en.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&explaintext=1&titles={title}"
- if first_paragraph_only:
- url += "&exintro=1"
- import json
- if not os.path.isfile(filename):
- data = requests.get(url).json()
- json.dump(data, open(filename, 'wt'))
- else:
- data = json.load(open(filename, "rt"))
- page_content = list(data["query"]["pages"].values())[0]["extract"]
- if take_head is not None and text_limit is not None:
- page_content = page_content[:text_limit] if take_head else page_content[-text_limit:]
- title_url = str(title).replace(' ', '_')
- return Document(
- page_content=str(page_content),
- metadata={"source": f"https://en.wikipedia.org/wiki/{title_url}"},
- )
-
-
-def get_wiki_sources(first_para=True, text_limit=None):
- """
- Get specific named sources from wikipedia
- :param first_para:
- :param text_limit:
- :return:
- """
- default_wiki_sources = ['Unix', 'Microsoft_Windows', 'Linux']
- wiki_sources = list(os.getenv('WIKI_SOURCES', default_wiki_sources))
- return [get_wiki_data(x, first_para, text_limit=text_limit) for x in wiki_sources]
-
-
-def get_github_docs(repo_owner, repo_name):
- """
- Access github from specific repo
- :param repo_owner:
- :param repo_name:
- :return:
- """
- with tempfile.TemporaryDirectory() as d:
- subprocess.check_call(
- f"git clone --depth 1 https://github.com/{repo_owner}/{repo_name}.git .",
- cwd=d,
- shell=True,
- )
- git_sha = (
- subprocess.check_output("git rev-parse HEAD", shell=True, cwd=d)
- .decode("utf-8")
- .strip()
- )
- repo_path = pathlib.Path(d)
- markdown_files = list(repo_path.glob("*/*.md")) + list(
- repo_path.glob("*/*.mdx")
- )
- for markdown_file in markdown_files:
- with open(markdown_file, "r") as f:
- relative_path = markdown_file.relative_to(repo_path)
- github_url = f"https://github.com/{repo_owner}/{repo_name}/blob/{git_sha}/{relative_path}"
- yield Document(page_content=str(f.read()), metadata={"source": github_url})
-
-
-def get_dai_pickle(dest="."):
- from huggingface_hub import hf_hub_download
- # True for case when locally already logged in with correct token, so don't have to set key
- token = os.getenv('HUGGING_FACE_HUB_TOKEN', True)
- path_to_zip_file = hf_hub_download('h2oai/dai_docs', 'dai_docs.pickle', token=token, repo_type='dataset')
- shutil.copy(path_to_zip_file, dest)
-
-
-def get_dai_docs(from_hf=False, get_pickle=True):
- """
- Consume DAI documentation, or consume from public pickle
- :param from_hf: get DAI docs from HF, then generate pickle for later use by LangChain
- :param get_pickle: Avoid raw DAI docs, just get pickle directly from HF
- :return:
- """
- import pickle
-
- if get_pickle:
- get_dai_pickle()
-
- dai_store = 'dai_docs.pickle'
- dst = "working_dir_docs"
- if not os.path.isfile(dai_store):
- from create_data import setup_dai_docs
- dst = setup_dai_docs(dst=dst, from_hf=from_hf)
-
- import glob
- files = list(glob.glob(os.path.join(dst, '*rst'), recursive=True))
-
- basedir = os.path.abspath(os.getcwd())
- from create_data import rst_to_outputs
- new_outputs = rst_to_outputs(files)
- os.chdir(basedir)
-
- pickle.dump(new_outputs, open(dai_store, 'wb'))
- else:
- new_outputs = pickle.load(open(dai_store, 'rb'))
-
- sources = []
- for line, file in new_outputs:
- # gradio requires any linked file to be with app.py
- sym_src = os.path.abspath(os.path.join(dst, file))
- sym_dst = os.path.abspath(os.path.join(os.getcwd(), file))
- if os.path.lexists(sym_dst):
- os.remove(sym_dst)
- os.symlink(sym_src, sym_dst)
- itm = Document(page_content=str(line), metadata={"source": file})
- # NOTE: yield has issues when going into db, loses metadata
- # yield itm
- sources.append(itm)
- return sources
-
-
-def get_supported_types():
- non_image_types0 = ["pdf", "txt", "csv", "toml", "py", "rst", "xml", "rtf",
- "md",
- "html", "mhtml", "htm",
- "enex", "eml", "epub", "odt", "pptx", "ppt",
- "zip",
- "gz",
- "gzip",
- "urls",
- ]
- # "msg", GPL3
-
- video_types0 = ['WEBM',
- 'MPG', 'MP2', 'MPEG', 'MPE', '.PV',
- 'OGG',
- 'MP4', 'M4P', 'M4V',
- 'AVI', 'WMV',
- 'MOV', 'QT',
- 'FLV', 'SWF',
- 'AVCHD']
- video_types0 = [x.lower() for x in video_types0]
- if have_pillow:
- from PIL import Image
- exts = Image.registered_extensions()
- image_types0 = {ex for ex, f in exts.items() if f in Image.OPEN if ex not in video_types0 + non_image_types0}
- image_types0 = sorted(image_types0)
- image_types0 = [x[1:] if x.startswith('.') else x for x in image_types0]
- else:
- image_types0 = []
- return non_image_types0, image_types0, video_types0
-
-
-non_image_types, image_types, video_types = get_supported_types()
-set_image_types = set(image_types)
-
-if have_libreoffice or True:
- # or True so it tries to load, e.g. on MAC/Windows, even if don't have libreoffice since works without that
- non_image_types.extend(["docx", "doc", "xls", "xlsx"])
-if have_jq:
- non_image_types.extend(["json", "jsonl"])
-
-file_types = non_image_types + image_types
-
-
-def try_as_html(file):
- # try treating as html as occurs when scraping websites
- from bs4 import BeautifulSoup
- with open(file, "rt") as f:
- try:
- is_html = bool(BeautifulSoup(f.read(), "html.parser").find())
- except: # FIXME
- is_html = False
- if is_html:
- file_url = 'file://' + file
- doc1 = UnstructuredURLLoader(urls=[file_url]).load()
- doc1 = [x for x in doc1 if x.page_content]
- else:
- doc1 = []
- return doc1
-
-
-def json_metadata_func(record: dict, metadata: dict) -> dict:
- # Define the metadata extraction function.
-
- if isinstance(record, dict):
- metadata["sender_name"] = record.get("sender_name")
- metadata["timestamp_ms"] = record.get("timestamp_ms")
-
- if "source" in metadata:
- metadata["source_json"] = metadata['source']
- if "seq_num" in metadata:
- metadata["seq_num_json"] = metadata['seq_num']
-
- return metadata
-
-
-def file_to_doc(file,
- filei=0,
- base_path=None, verbose=False, fail_any_exception=False,
- chunk=True, chunk_size=512, n_jobs=-1,
- is_url=False, is_txt=False,
-
- # urls
- use_unstructured=True,
- use_playwright=False,
- use_selenium=False,
-
- # pdfs
- use_pymupdf='auto',
- use_unstructured_pdf='auto',
- use_pypdf='auto',
- enable_pdf_ocr='auto',
- try_pdf_as_html='auto',
- enable_pdf_doctr='auto',
-
- # images
- enable_ocr=False,
- enable_doctr=False,
- enable_pix2struct=False,
- enable_captions=True,
- captions_model=None,
- model_loaders=None,
-
- # json
- jq_schema='.[]',
-
- headsize=50, # see also H2OSerpAPIWrapper
- db_type=None,
- selected_file_types=None):
- assert isinstance(model_loaders, dict)
- if selected_file_types is not None:
- set_image_types1 = set_image_types.intersection(set(selected_file_types))
- else:
- set_image_types1 = set_image_types
-
- assert db_type is not None
- chunk_sources = functools.partial(_chunk_sources, chunk=chunk, chunk_size=chunk_size, db_type=db_type)
- add_meta = functools.partial(_add_meta, headsize=headsize, filei=filei)
- # FIXME: if zip, file index order will not be correct if other files involved
- path_to_docs_func = functools.partial(path_to_docs,
- verbose=verbose,
- fail_any_exception=fail_any_exception,
- n_jobs=n_jobs,
- chunk=chunk, chunk_size=chunk_size,
- # url=file if is_url else None,
- # text=file if is_txt else None,
-
- # urls
- use_unstructured=use_unstructured,
- use_playwright=use_playwright,
- use_selenium=use_selenium,
-
- # pdfs
- use_pymupdf=use_pymupdf,
- use_unstructured_pdf=use_unstructured_pdf,
- use_pypdf=use_pypdf,
- enable_pdf_ocr=enable_pdf_ocr,
- enable_pdf_doctr=enable_pdf_doctr,
- try_pdf_as_html=try_pdf_as_html,
-
- # images
- enable_ocr=enable_ocr,
- enable_doctr=enable_doctr,
- enable_pix2struct=enable_pix2struct,
- enable_captions=enable_captions,
- captions_model=captions_model,
-
- caption_loader=model_loaders['caption'],
- doctr_loader=model_loaders['doctr'],
- pix2struct_loader=model_loaders['pix2struct'],
-
- # json
- jq_schema=jq_schema,
-
- db_type=db_type,
- )
-
- if file is None:
- if fail_any_exception:
- raise RuntimeError("Unexpected None file")
- else:
- return []
- doc1 = [] # in case no support, or disabled support
- if base_path is None and not is_txt and not is_url:
- # then assume want to persist but don't care which path used
- # can't be in base_path
- dir_name = os.path.dirname(file)
- base_name = os.path.basename(file)
- # if from gradio, will have its own temp uuid too, but that's ok
- base_name = sanitize_filename(base_name) + "_" + str(uuid.uuid4())[:10]
- base_path = os.path.join(dir_name, base_name)
- if is_url:
- file = file.strip() # in case accidental spaces in front or at end
- file_lower = file.lower()
- case1 = file_lower.startswith('arxiv:') and len(file_lower.split('arxiv:')) == 2
- case2 = file_lower.startswith('https://arxiv.org/abs') and len(file_lower.split('https://arxiv.org/abs')) == 2
- case3 = file_lower.startswith('http://arxiv.org/abs') and len(file_lower.split('http://arxiv.org/abs')) == 2
- case4 = file_lower.startswith('arxiv.org/abs/') and len(file_lower.split('arxiv.org/abs/')) == 2
- if case1 or case2 or case3 or case4:
- if case1:
- query = file.lower().split('arxiv:')[1].strip()
- elif case2:
- query = file.lower().split('https://arxiv.org/abs/')[1].strip()
- elif case2:
- query = file.lower().split('http://arxiv.org/abs/')[1].strip()
- elif case3:
- query = file.lower().split('arxiv.org/abs/')[1].strip()
- else:
- raise RuntimeError("Unexpected arxiv error for %s" % file)
- if have_arxiv:
- trials = 3
- docs1 = []
- for trial in range(trials):
- try:
- docs1 = ArxivLoader(query=query, load_max_docs=20, load_all_available_meta=True).load()
- break
- except urllib.error.URLError:
- pass
- if not docs1:
- print("Failed to get arxiv %s" % query, flush=True)
- # ensure string, sometimes None
- [[x.metadata.update({k: str(v)}) for k, v in x.metadata.items()] for x in docs1]
- query_url = f"https://arxiv.org/abs/{query}"
- [x.metadata.update(
- dict(source=x.metadata.get('entry_id', query_url), query=query_url,
- input_type='arxiv', head=x.metadata.get('Title', ''), date=str(datetime.now))) for x in
- docs1]
- else:
- docs1 = []
- else:
- if not (file.startswith("http://") or file.startswith("file://") or file.startswith("https://")):
- file = 'http://' + file
- docs1 = []
- do_unstructured = only_unstructured_urls or use_unstructured
- if only_selenium or only_playwright:
- do_unstructured = False
- do_playwright = have_playwright and (use_playwright or only_playwright)
- if only_unstructured_urls or only_selenium:
- do_playwright = False
- do_selenium = have_selenium and (use_selenium or only_selenium)
- if only_unstructured_urls or only_playwright:
- do_selenium = False
- if do_unstructured or use_unstructured:
- docs1a = UnstructuredURLLoader(urls=[file]).load()
- docs1a = [x for x in docs1a if x.page_content]
- add_parser(docs1a, 'UnstructuredURLLoader')
- docs1.extend(docs1a)
- if len(docs1) == 0 and have_playwright or do_playwright:
- # then something went wrong, try another loader:
- from langchain.document_loaders import PlaywrightURLLoader
- docs1a = asyncio.run(PlaywrightURLLoader(urls=[file]).aload())
- # docs1 = PlaywrightURLLoader(urls=[file]).load()
- docs1a = [x for x in docs1a if x.page_content]
- add_parser(docs1a, 'PlaywrightURLLoader')
- docs1.extend(docs1a)
- if len(docs1) == 0 and have_selenium or do_selenium:
- # then something went wrong, try another loader:
- # but requires Chrome binary, else get: selenium.common.exceptions.WebDriverException:
- # Message: unknown error: cannot find Chrome binary
- from langchain.document_loaders import SeleniumURLLoader
- from selenium.common.exceptions import WebDriverException
- try:
- docs1a = SeleniumURLLoader(urls=[file]).load()
- docs1a = [x for x in docs1a if x.page_content]
- add_parser(docs1a, 'SeleniumURLLoader')
- docs1.extend(docs1a)
- except WebDriverException as e:
- print("No web driver: %s" % str(e), flush=True)
- [x.metadata.update(dict(input_type='url', date=str(datetime.now))) for x in docs1]
- add_meta(docs1, file, parser="is_url")
- docs1 = clean_doc(docs1)
- doc1 = chunk_sources(docs1)
- elif is_txt:
- base_path = "user_paste"
- base_path = makedirs(base_path, exist_ok=True, tmp_ok=True, use_base=True)
- source_file = os.path.join(base_path, "_%s" % str(uuid.uuid4())[:10])
- with open(source_file, "wt") as f:
- f.write(file)
- metadata = dict(source=source_file, date=str(datetime.now()), input_type='pasted txt')
- doc1 = Document(page_content=str(file), metadata=metadata)
- add_meta(doc1, file, parser="f.write")
- # Bit odd to change if was original text
- # doc1 = clean_doc(doc1)
- elif file.lower().endswith('.html') or file.lower().endswith('.mhtml') or file.lower().endswith('.htm'):
- docs1 = UnstructuredHTMLLoader(file_path=file).load()
- add_meta(docs1, file, parser='UnstructuredHTMLLoader')
- docs1 = clean_doc(docs1)
- doc1 = chunk_sources(docs1, language=Language.HTML)
- elif (file.lower().endswith('.docx') or file.lower().endswith('.doc')) and (have_libreoffice or True):
- docs1 = UnstructuredWordDocumentLoader(file_path=file).load()
- add_meta(docs1, file, parser='UnstructuredWordDocumentLoader')
- doc1 = chunk_sources(docs1)
- elif (file.lower().endswith('.xlsx') or file.lower().endswith('.xls')) and (have_libreoffice or True):
- docs1 = UnstructuredExcelLoader(file_path=file).load()
- add_meta(docs1, file, parser='UnstructuredExcelLoader')
- doc1 = chunk_sources(docs1)
- elif file.lower().endswith('.odt'):
- docs1 = UnstructuredODTLoader(file_path=file).load()
- add_meta(docs1, file, parser='UnstructuredODTLoader')
- doc1 = chunk_sources(docs1)
- elif file.lower().endswith('pptx') or file.lower().endswith('ppt'):
- docs1 = UnstructuredPowerPointLoader(file_path=file).load()
- add_meta(docs1, file, parser='UnstructuredPowerPointLoader')
- docs1 = clean_doc(docs1)
- doc1 = chunk_sources(docs1)
- elif file.lower().endswith('.txt'):
- # use UnstructuredFileLoader ?
- docs1 = TextLoader(file, encoding="utf8", autodetect_encoding=True).load()
- # makes just one, but big one
- doc1 = chunk_sources(docs1)
- # Bit odd to change if was original text
- # doc1 = clean_doc(doc1)
- add_meta(doc1, file, parser='TextLoader')
- elif file.lower().endswith('.rtf'):
- docs1 = UnstructuredRTFLoader(file).load()
- add_meta(docs1, file, parser='UnstructuredRTFLoader')
- doc1 = chunk_sources(docs1)
- elif file.lower().endswith('.md'):
- docs1 = UnstructuredMarkdownLoader(file).load()
- add_meta(docs1, file, parser='UnstructuredMarkdownLoader')
- docs1 = clean_doc(docs1)
- doc1 = chunk_sources(docs1, language=Language.MARKDOWN)
- elif file.lower().endswith('.enex'):
- docs1 = EverNoteLoader(file).load()
- add_meta(doc1, file, parser='EverNoteLoader')
- doc1 = chunk_sources(docs1)
- elif file.lower().endswith('.epub'):
- docs1 = UnstructuredEPubLoader(file).load()
- add_meta(docs1, file, parser='UnstructuredEPubLoader')
- doc1 = chunk_sources(docs1)
- elif any(file.lower().endswith(x) for x in set_image_types1):
- docs1 = []
- if verbose:
- print("BEGIN: Tesseract", flush=True)
- if have_tesseract and enable_ocr:
- # OCR, somewhat works, but not great
- docs1a = UnstructuredImageLoader(file, strategy='ocr_only').load()
- # docs1a = UnstructuredImageLoader(file, strategy='hi_res').load()
- docs1a = [x for x in docs1a if x.page_content]
- add_meta(docs1a, file, parser='UnstructuredImageLoader')
- docs1.extend(docs1a)
- if verbose:
- print("END: Tesseract", flush=True)
- if have_doctr and enable_doctr:
- if verbose:
- print("BEGIN: DocTR", flush=True)
- if model_loaders['doctr'] is not None and not isinstance(model_loaders['doctr'], (str, bool)):
- if verbose:
- print("Reuse DocTR", flush=True)
- model_loaders['doctr'].load_model()
- else:
- if verbose:
- print("Fresh DocTR", flush=True)
- from image_doctr import H2OOCRLoader
- model_loaders['doctr'] = H2OOCRLoader()
- model_loaders['doctr'].set_document_paths([file])
- docs1c = model_loaders['doctr'].load()
- docs1c = [x for x in docs1c if x.page_content]
- add_meta(docs1c, file, parser='H2OOCRLoader: %s' % 'DocTR')
- # caption didn't set source, so fix-up meta
- for doci in docs1c:
- doci.metadata['source'] = doci.metadata.get('document_path', file)
- doci.metadata['hashid'] = hash_file(doci.metadata['source'])
- docs1.extend(docs1c)
- if verbose:
- print("END: DocTR", flush=True)
- if enable_captions:
- # BLIP
- if verbose:
- print("BEGIN: BLIP", flush=True)
- if model_loaders['caption'] is not None and not isinstance(model_loaders['caption'], (str, bool)):
- # assumes didn't fork into this process with joblib, else can deadlock
- if verbose:
- print("Reuse BLIP", flush=True)
- model_loaders['caption'].load_model()
- else:
- if verbose:
- print("Fresh BLIP", flush=True)
- from image_captions import H2OImageCaptionLoader
- model_loaders['caption'] = H2OImageCaptionLoader(caption_gpu=model_loaders['caption'] == 'gpu',
- blip_model=captions_model,
- blip_processor=captions_model)
- model_loaders['caption'].set_image_paths([file])
- docs1c = model_loaders['caption'].load()
- docs1c = [x for x in docs1c if x.page_content]
- add_meta(docs1c, file, parser='H2OImageCaptionLoader: %s' % captions_model)
- # caption didn't set source, so fix-up meta
- for doci in docs1c:
- doci.metadata['source'] = doci.metadata.get('image_path', file)
- doci.metadata['hashid'] = hash_file(doci.metadata['source'])
- docs1.extend(docs1c)
-
- if verbose:
- print("END: BLIP", flush=True)
- if enable_pix2struct:
- # BLIP
- if verbose:
- print("BEGIN: Pix2Struct", flush=True)
- if model_loaders['pix2struct'] is not None and not isinstance(model_loaders['pix2struct'], (str, bool)):
- if verbose:
- print("Reuse pix2struct", flush=True)
- model_loaders['pix2struct'].load_model()
- else:
- if verbose:
- print("Fresh pix2struct", flush=True)
- from image_pix2struct import H2OPix2StructLoader
- model_loaders['pix2struct'] = H2OPix2StructLoader()
- model_loaders['pix2struct'].set_image_paths([file])
- docs1c = model_loaders['pix2struct'].load()
- docs1c = [x for x in docs1c if x.page_content]
- add_meta(docs1c, file, parser='H2OPix2StructLoader: %s' % model_loaders['pix2struct'])
- # caption didn't set source, so fix-up meta
- for doci in docs1c:
- doci.metadata['source'] = doci.metadata.get('image_path', file)
- doci.metadata['hashid'] = hash_file(doci.metadata['source'])
- docs1.extend(docs1c)
- if verbose:
- print("END: Pix2Struct", flush=True)
- doc1 = chunk_sources(docs1)
- elif file.lower().endswith('.msg'):
- raise RuntimeError("Not supported, GPL3 license")
- # docs1 = OutlookMessageLoader(file).load()
- # docs1[0].metadata['source'] = file
- elif file.lower().endswith('.eml'):
- try:
- docs1 = UnstructuredEmailLoader(file).load()
- add_meta(docs1, file, parser='UnstructuredEmailLoader')
- doc1 = chunk_sources(docs1)
- except ValueError as e:
- if 'text/html content not found in email' in str(e):
- pass
- else:
- raise
- doc1 = [x for x in doc1 if x.page_content]
- if len(doc1) == 0:
- # e.g. plain/text dict key exists, but not
- # doc1 = TextLoader(file, encoding="utf8").load()
- docs1 = UnstructuredEmailLoader(file, content_source="text/plain").load()
- docs1 = [x for x in docs1 if x.page_content]
- add_meta(docs1, file, parser='UnstructuredEmailLoader text/plain')
- doc1 = chunk_sources(docs1)
- # elif file.lower().endswith('.gcsdir'):
- # doc1 = GCSDirectoryLoader(project_name, bucket, prefix).load()
- # elif file.lower().endswith('.gcsfile'):
- # doc1 = GCSFileLoader(project_name, bucket, blob).load()
- elif file.lower().endswith('.rst'):
- with open(file, "r") as f:
- doc1 = Document(page_content=str(f.read()), metadata={"source": file})
- add_meta(doc1, file, parser='f.read()')
- doc1 = chunk_sources(doc1, language=Language.RST)
- elif file.lower().endswith('.json'):
- # 10k rows, 100 columns-like parts 4 bytes each
- JSON_SIZE_LIMIT = int(os.getenv('JSON_SIZE_LIMIT', str(10 * 10 * 1024 * 10 * 4)))
- if os.path.getsize(file) > JSON_SIZE_LIMIT:
- raise ValueError(
- "JSON file sizes > %s not supported for naive parsing and embedding, requires Agents enabled" % JSON_SIZE_LIMIT)
- loader = JSONLoader(
- file_path=file,
- # jq_schema='.messages[].content',
- jq_schema=jq_schema,
- text_content=False,
- metadata_func=json_metadata_func)
- doc1 = loader.load()
- add_meta(doc1, file, parser='JSONLoader: %s' % jq_schema)
- fix_json_meta(doc1)
- elif file.lower().endswith('.jsonl'):
- loader = JSONLoader(
- file_path=file,
- # jq_schema='.messages[].content',
- jq_schema=jq_schema,
- json_lines=True,
- text_content=False,
- metadata_func=json_metadata_func)
- doc1 = loader.load()
- add_meta(doc1, file, parser='JSONLoader: %s' % jq_schema)
- fix_json_meta(doc1)
- elif file.lower().endswith('.pdf'):
- # migration
- if isinstance(use_pymupdf, bool):
- if use_pymupdf == False:
- use_pymupdf = 'off'
- if use_pymupdf == True:
- use_pymupdf = 'on'
- if isinstance(use_unstructured_pdf, bool):
- if use_unstructured_pdf == False:
- use_unstructured_pdf = 'off'
- if use_unstructured_pdf == True:
- use_unstructured_pdf = 'on'
- if isinstance(use_pypdf, bool):
- if use_pypdf == False:
- use_pypdf = 'off'
- if use_pypdf == True:
- use_pypdf = 'on'
- if isinstance(enable_pdf_ocr, bool):
- if enable_pdf_ocr == False:
- enable_pdf_ocr = 'off'
- if enable_pdf_ocr == True:
- enable_pdf_ocr = 'on'
- if isinstance(try_pdf_as_html, bool):
- if try_pdf_as_html == False:
- try_pdf_as_html = 'off'
- if try_pdf_as_html == True:
- try_pdf_as_html = 'on'
-
- doc1 = []
- tried_others = False
- handled = False
- did_pymupdf = False
- did_unstructured = False
- e = None
- if have_pymupdf and (len(doc1) == 0 and use_pymupdf == 'auto' or use_pymupdf == 'on'):
- # GPL, only use if installed
- from langchain.document_loaders import PyMuPDFLoader
- # load() still chunks by pages, but every page has title at start to help
- try:
- doc1a = PyMuPDFLoader(file).load()
- did_pymupdf = True
- except BaseException as e0:
- doc1a = []
- print("PyMuPDFLoader: %s" % str(e0), flush=True)
- e = e0
- # remove empty documents
- handled |= len(doc1a) > 0
- doc1a = [x for x in doc1a if x.page_content]
- doc1a = clean_doc(doc1a)
- add_parser(doc1a, 'PyMuPDFLoader')
- doc1.extend(doc1a)
- if len(doc1) == 0 and use_unstructured_pdf == 'auto' or use_unstructured_pdf == 'on':
- tried_others = True
- try:
- doc1a = UnstructuredPDFLoader(file).load()
- did_unstructured = True
- except BaseException as e0:
- doc1a = []
- print("UnstructuredPDFLoader: %s" % str(e0), flush=True)
- e = e0
- handled |= len(doc1a) > 0
- # remove empty documents
- doc1a = [x for x in doc1a if x.page_content]
- add_parser(doc1a, 'UnstructuredPDFLoader')
- # seems to not need cleaning in most cases
- doc1.extend(doc1a)
- if len(doc1) == 0 and use_pypdf == 'auto' or use_pypdf == 'on':
- tried_others = True
- # open-source fallback
- # load() still chunks by pages, but every page has title at start to help
- try:
- doc1a = PyPDFLoader(file).load()
- except BaseException as e0:
- doc1a = []
- print("PyPDFLoader: %s" % str(e0), flush=True)
- e = e0
- handled |= len(doc1a) > 0
- # remove empty documents
- doc1a = [x for x in doc1a if x.page_content]
- doc1a = clean_doc(doc1a)
- add_parser(doc1a, 'PyPDFLoader')
- doc1.extend(doc1a)
- if not did_pymupdf and ((have_pymupdf and len(doc1) == 0) and tried_others):
- # try again in case only others used, but only if didn't already try (2nd part of and)
- # GPL, only use if installed
- from langchain.document_loaders import PyMuPDFLoader
- # load() still chunks by pages, but every page has title at start to help
- try:
- doc1a = PyMuPDFLoader(file).load()
- except BaseException as e0:
- doc1a = []
- print("PyMuPDFLoader: %s" % str(e0), flush=True)
- e = e0
- handled |= len(doc1a) > 0
- # remove empty documents
- doc1a = [x for x in doc1a if x.page_content]
- doc1a = clean_doc(doc1a)
- add_parser(doc1a, 'PyMuPDFLoader2')
- doc1.extend(doc1a)
- did_pdf_ocr = False
- if len(doc1) == 0 and (enable_pdf_ocr == 'auto' and enable_pdf_doctr != 'on') or enable_pdf_ocr == 'on':
- did_pdf_ocr = True
- # no did_unstructured condition here because here we do OCR, and before we did not
- # try OCR in end since slowest, but works on pure image pages well
- doc1a = UnstructuredPDFLoader(file, strategy='ocr_only').load()
- handled |= len(doc1a) > 0
- # remove empty documents
- doc1a = [x for x in doc1a if x.page_content]
- add_parser(doc1a, 'UnstructuredPDFLoader ocr_only')
- # seems to not need cleaning in most cases
- doc1.extend(doc1a)
- # Some PDFs return nothing or junk from PDFMinerLoader
- if len(doc1) == 0 and enable_pdf_doctr == 'auto' or enable_pdf_doctr == 'on':
- if verbose:
- print("BEGIN: DocTR", flush=True)
- if model_loaders['doctr'] is not None and not isinstance(model_loaders['doctr'], (str, bool)):
- model_loaders['doctr'].load_model()
- else:
- from image_doctr import H2OOCRLoader
- model_loaders['doctr'] = H2OOCRLoader()
- model_loaders['doctr'].set_document_paths([file])
- doc1a = model_loaders['doctr'].load()
- doc1a = [x for x in doc1a if x.page_content]
- add_meta(doc1a, file, parser='H2OOCRLoader: %s' % 'DocTR')
- handled |= len(doc1a) > 0
- # caption didn't set source, so fix-up meta
- for doci in doc1a:
- doci.metadata['source'] = doci.metadata.get('document_path', file)
- doci.metadata['hashid'] = hash_file(doci.metadata['source'])
- doc1.extend(doc1a)
- if verbose:
- print("END: DocTR", flush=True)
- if try_pdf_as_html in ['auto', 'on']:
- doc1a = try_as_html(file)
- add_parser(doc1a, 'try_as_html')
- doc1.extend(doc1a)
-
- if len(doc1) == 0:
- # if literally nothing, show failed to parse so user knows, since unlikely nothing in PDF at all.
- if handled:
- raise ValueError("%s had no valid text, but meta data was parsed" % file)
- else:
- raise ValueError("%s had no valid text and no meta data was parsed: %s" % (file, str(e)))
- add_meta(doc1, file, parser='pdf')
- doc1 = chunk_sources(doc1)
- elif file.lower().endswith('.csv'):
- CSV_SIZE_LIMIT = int(os.getenv('CSV_SIZE_LIMIT', str(10 * 1024 * 10 * 4)))
- if os.path.getsize(file) > CSV_SIZE_LIMIT:
- raise ValueError(
- "CSV file sizes > %s not supported for naive parsing and embedding, requires Agents enabled" % CSV_SIZE_LIMIT)
- doc1 = CSVLoader(file).load()
- add_meta(doc1, file, parser='CSVLoader')
- if isinstance(doc1, list):
- # each row is a Document, identify
- [x.metadata.update(dict(chunk_id=chunk_id)) for chunk_id, x in enumerate(doc1)]
- if db_type in ['chroma', 'chroma_old']:
- # then separate summarize list
- sdoc1 = clone_documents(doc1)
- [x.metadata.update(dict(chunk_id=-1)) for chunk_id, x in enumerate(sdoc1)]
- doc1 = sdoc1 + doc1
- elif file.lower().endswith('.py'):
- doc1 = PythonLoader(file).load()
- add_meta(doc1, file, parser='PythonLoader')
- doc1 = chunk_sources(doc1, language=Language.PYTHON)
- elif file.lower().endswith('.toml'):
- doc1 = TomlLoader(file).load()
- add_meta(doc1, file, parser='TomlLoader')
- doc1 = chunk_sources(doc1)
- elif file.lower().endswith('.xml'):
- from langchain.document_loaders import UnstructuredXMLLoader
- loader = UnstructuredXMLLoader(file_path=file)
- doc1 = loader.load()
- add_meta(doc1, file, parser='UnstructuredXMLLoader')
- elif file.lower().endswith('.urls'):
- with open(file, "r") as f:
- urls = f.readlines()
- # recurse
- doc1 = path_to_docs_func(None, url=urls)
- elif file.lower().endswith('.zip'):
- with zipfile.ZipFile(file, 'r') as zip_ref:
- # don't put into temporary path, since want to keep references to docs inside zip
- # so just extract in path where
- zip_ref.extractall(base_path)
- # recurse
- doc1 = path_to_docs_func(base_path)
- elif file.lower().endswith('.gz') or file.lower().endswith('.gzip'):
- if file.lower().endswith('.gz'):
- de_file = file.lower().replace('.gz', '')
- else:
- de_file = file.lower().replace('.gzip', '')
- with gzip.open(file, 'rb') as f_in:
- with open(de_file, 'wb') as f_out:
- shutil.copyfileobj(f_in, f_out)
- # recurse
- doc1 = file_to_doc(de_file,
- filei=filei, # single file, same file index as outside caller
- base_path=base_path, verbose=verbose, fail_any_exception=fail_any_exception,
- chunk=chunk, chunk_size=chunk_size, n_jobs=n_jobs,
- is_url=is_url, is_txt=is_txt,
-
- # urls
- use_unstructured=use_unstructured,
- use_playwright=use_playwright,
- use_selenium=use_selenium,
-
- # pdfs
- use_pymupdf=use_pymupdf,
- use_unstructured_pdf=use_unstructured_pdf,
- use_pypdf=use_pypdf,
- enable_pdf_ocr=enable_pdf_ocr,
- enable_pdf_doctr=enable_pdf_doctr,
- try_pdf_as_html=try_pdf_as_html,
-
- # images
- enable_ocr=enable_ocr,
- enable_doctr=enable_doctr,
- enable_pix2struct=enable_pix2struct,
- enable_captions=enable_captions,
- captions_model=captions_model,
- model_loaders=model_loaders,
-
- # json
- jq_schema=jq_schema,
-
- headsize=headsize,
- db_type=db_type,
- selected_file_types=selected_file_types)
- else:
- raise RuntimeError("No file handler for %s" % os.path.basename(file))
-
- # allow doc1 to be list or not.
- if not isinstance(doc1, list):
- # If not list, did not chunk yet, so chunk now
- docs = chunk_sources([doc1])
- elif isinstance(doc1, list) and len(doc1) == 1:
- # if list of length one, don't trust and chunk it, chunk_id's will still be correct if repeat
- docs = chunk_sources(doc1)
- else:
- docs = doc1
-
- assert isinstance(docs, list)
- return docs
-
-
-def path_to_doc1(file,
- filei=0,
- verbose=False, fail_any_exception=False, return_file=True,
- chunk=True, chunk_size=512,
- n_jobs=-1,
- is_url=False, is_txt=False,
-
- # urls
- use_unstructured=True,
- use_playwright=False,
- use_selenium=False,
-
- # pdfs
- use_pymupdf='auto',
- use_unstructured_pdf='auto',
- use_pypdf='auto',
- enable_pdf_ocr='auto',
- enable_pdf_doctr='auto',
- try_pdf_as_html='auto',
-
- # images
- enable_ocr=False,
- enable_doctr=False,
- enable_pix2struct=False,
- enable_captions=True,
- captions_model=None,
- model_loaders=None,
-
- # json
- jq_schema='.[]',
-
- db_type=None,
- selected_file_types=None):
- assert db_type is not None
- if verbose:
- if is_url:
- print("Ingesting URL: %s" % file, flush=True)
- elif is_txt:
- print("Ingesting Text: %s" % file, flush=True)
- else:
- print("Ingesting file: %s" % file, flush=True)
- res = None
- try:
- # don't pass base_path=path, would infinitely recurse
- res = file_to_doc(file,
- filei=filei,
- base_path=None, verbose=verbose, fail_any_exception=fail_any_exception,
- chunk=chunk, chunk_size=chunk_size,
- n_jobs=n_jobs,
- is_url=is_url, is_txt=is_txt,
-
- # urls
- use_unstructured=use_unstructured,
- use_playwright=use_playwright,
- use_selenium=use_selenium,
-
- # pdfs
- use_pymupdf=use_pymupdf,
- use_unstructured_pdf=use_unstructured_pdf,
- use_pypdf=use_pypdf,
- enable_pdf_ocr=enable_pdf_ocr,
- enable_pdf_doctr=enable_pdf_doctr,
- try_pdf_as_html=try_pdf_as_html,
-
- # images
- enable_ocr=enable_ocr,
- enable_doctr=enable_doctr,
- enable_pix2struct=enable_pix2struct,
- enable_captions=enable_captions,
- captions_model=captions_model,
- model_loaders=model_loaders,
-
- # json
- jq_schema=jq_schema,
-
- db_type=db_type,
- selected_file_types=selected_file_types)
- except BaseException as e:
- print("Failed to ingest %s due to %s" % (file, traceback.format_exc()))
- if fail_any_exception:
- raise
- else:
- exception_doc = Document(
- page_content='',
- metadata={"source": file, "exception": '%s Exception: %s' % (file, str(e)),
- "traceback": traceback.format_exc()})
- res = [exception_doc]
- if verbose:
- if is_url:
- print("DONE Ingesting URL: %s" % file, flush=True)
- elif is_txt:
- print("DONE Ingesting Text: %s" % file, flush=True)
- else:
- print("DONE Ingesting file: %s" % file, flush=True)
- if return_file:
- base_tmp = "temp_path_to_doc1"
- if not os.path.isdir(base_tmp):
- base_tmp = makedirs(base_tmp, exist_ok=True, tmp_ok=True, use_base=True)
- filename = os.path.join(base_tmp, str(uuid.uuid4()) + ".tmp.pickle")
- with open(filename, 'wb') as f:
- pickle.dump(res, f)
- return filename
- return res
-
-
-def path_to_docs(path_or_paths, verbose=False, fail_any_exception=False, n_jobs=-1,
- chunk=True, chunk_size=512,
- url=None, text=None,
-
- # urls
- use_unstructured=True,
- use_playwright=False,
- use_selenium=False,
-
- # pdfs
- use_pymupdf='auto',
- use_unstructured_pdf='auto',
- use_pypdf='auto',
- enable_pdf_ocr='auto',
- enable_pdf_doctr='auto',
- try_pdf_as_html='auto',
-
- # images
- enable_ocr=False,
- enable_doctr=False,
- enable_pix2struct=False,
- enable_captions=True,
- captions_model=None,
-
- caption_loader=None,
- doctr_loader=None,
- pix2struct_loader=None,
-
- # json
- jq_schema='.[]',
-
- existing_files=[],
- existing_hash_ids={},
- db_type=None,
- selected_file_types=None,
- ):
- if verbose:
- print("BEGIN Consuming path_or_paths=%s url=%s text=%s" % (path_or_paths, url, text), flush=True)
- if selected_file_types is not None:
- non_image_types1 = [x for x in non_image_types if x in selected_file_types]
- image_types1 = [x for x in image_types if x in selected_file_types]
- else:
- non_image_types1 = non_image_types.copy()
- image_types1 = image_types.copy()
-
- assert db_type is not None
- # path_or_paths could be str, list, tuple, generator
- globs_image_types = []
- globs_non_image_types = []
- if not path_or_paths and not url and not text:
- return []
- elif url:
- url = get_list_or_str(url)
- globs_non_image_types = url if isinstance(url, (list, tuple, types.GeneratorType)) else [url]
- elif text:
- globs_non_image_types = text if isinstance(text, (list, tuple, types.GeneratorType)) else [text]
- elif isinstance(path_or_paths, str) and os.path.isdir(path_or_paths):
- # single path, only consume allowed files
- path = path_or_paths
- # Below globs should match patterns in file_to_doc()
- [globs_image_types.extend(glob.glob(os.path.join(path, "./**/*.%s" % ftype), recursive=True))
- for ftype in image_types1]
- globs_image_types = [os.path.normpath(x) for x in globs_image_types]
- [globs_non_image_types.extend(glob.glob(os.path.join(path, "./**/*.%s" % ftype), recursive=True))
- for ftype in non_image_types1]
- globs_non_image_types = [os.path.normpath(x) for x in globs_non_image_types]
- else:
- if isinstance(path_or_paths, str):
- if os.path.isfile(path_or_paths) or os.path.isdir(path_or_paths):
- path_or_paths = [path_or_paths]
- else:
- # path was deleted etc.
- return []
- # list/tuple of files (consume what can, and exception those that selected but cannot consume so user knows)
- assert isinstance(path_or_paths, (list, tuple, types.GeneratorType)), \
- "Wrong type for path_or_paths: %s %s" % (path_or_paths, type(path_or_paths))
- # reform out of allowed types
- globs_image_types.extend(
- flatten_list([[os.path.normpath(x) for x in path_or_paths if x.endswith(y)] for y in image_types1]))
- # could do below:
- # globs_non_image_types = flatten_list([[x for x in path_or_paths if x.endswith(y)] for y in non_image_types1])
- # But instead, allow fail so can collect unsupported too
- set_globs_image_types = set(globs_image_types)
- globs_non_image_types.extend([os.path.normpath(x) for x in path_or_paths if x not in set_globs_image_types])
-
- # filter out any files to skip (e.g. if already processed them)
- # this is easy, but too aggressive in case a file changed, so parent probably passed existing_files=[]
- assert not existing_files, "DEV: assume not using this approach"
- if existing_files:
- set_skip_files = set(existing_files)
- globs_image_types = [x for x in globs_image_types if x not in set_skip_files]
- globs_non_image_types = [x for x in globs_non_image_types if x not in set_skip_files]
- if existing_hash_ids:
- # assume consistent with add_meta() use of hash_file(file)
- # also assume consistent with get_existing_hash_ids for dict creation
- # assume hashable values
- existing_hash_ids_set = set(existing_hash_ids.items())
- hash_ids_all_image = set({x: hash_file(x) for x in globs_image_types}.items())
- hash_ids_all_non_image = set({x: hash_file(x) for x in globs_non_image_types}.items())
- # don't use symmetric diff. If file is gone, ignore and don't remove or something
- # just consider existing files (key) having new hash or not (value)
- new_files_image = set(dict(hash_ids_all_image - existing_hash_ids_set).keys())
- new_files_non_image = set(dict(hash_ids_all_non_image - existing_hash_ids_set).keys())
- globs_image_types = [x for x in globs_image_types if x in new_files_image]
- globs_non_image_types = [x for x in globs_non_image_types if x in new_files_non_image]
-
- # could use generator, but messes up metadata handling in recursive case
- if caption_loader and not isinstance(caption_loader, (bool, str)) and caption_loader.device != 'cpu' or \
- get_device() == 'cuda':
- # to avoid deadlocks, presume was preloaded and so can't fork due to cuda context
- # get_device() == 'cuda' because presume faster to process image from (temporarily) preloaded model
- n_jobs_image = 1
- else:
- n_jobs_image = n_jobs
- if enable_doctr or enable_pdf_doctr in [True, 'auto', 'on']:
- if doctr_loader and not isinstance(doctr_loader, (bool, str)) and doctr_loader.device != 'cpu':
- # can't fork cuda context
- n_jobs = 1
-
- return_file = True # local choice
- is_url = url is not None
- is_txt = text is not None
- model_loaders = dict(caption=caption_loader,
- doctr=doctr_loader,
- pix2struct=pix2struct_loader)
- model_loaders0 = model_loaders.copy()
- kwargs = dict(verbose=verbose, fail_any_exception=fail_any_exception,
- return_file=return_file,
- chunk=chunk, chunk_size=chunk_size,
- n_jobs=n_jobs,
- is_url=is_url,
- is_txt=is_txt,
-
- # urls
- use_unstructured=use_unstructured,
- use_playwright=use_playwright,
- use_selenium=use_selenium,
-
- # pdfs
- use_pymupdf=use_pymupdf,
- use_unstructured_pdf=use_unstructured_pdf,
- use_pypdf=use_pypdf,
- enable_pdf_ocr=enable_pdf_ocr,
- enable_pdf_doctr=enable_pdf_doctr,
- try_pdf_as_html=try_pdf_as_html,
-
- # images
- enable_ocr=enable_ocr,
- enable_doctr=enable_doctr,
- enable_pix2struct=enable_pix2struct,
- enable_captions=enable_captions,
- captions_model=captions_model,
- model_loaders=model_loaders,
-
- # json
- jq_schema=jq_schema,
-
- db_type=db_type,
- selected_file_types=selected_file_types,
- )
- if n_jobs != 1 and len(globs_non_image_types) > 1:
- # avoid nesting, e.g. upload 1 zip and then inside many files
- # harder to handle if upload many zips with many files, inner parallel one will be disabled by joblib
- documents = ProgressParallel(n_jobs=n_jobs, verbose=10 if verbose else 0, backend='multiprocessing')(
- delayed(path_to_doc1)(file, filei=filei, **kwargs) for filei, file in enumerate(globs_non_image_types)
- )
- else:
- documents = [path_to_doc1(file, filei=filei, **kwargs) for filei, file in
- enumerate(tqdm(globs_non_image_types))]
-
- # do images separately since can't fork after cuda in parent, so can't be parallel
- if n_jobs_image != 1 and len(globs_image_types) > 1:
- # avoid nesting, e.g. upload 1 zip and then inside many files
- # harder to handle if upload many zips with many files, inner parallel one will be disabled by joblib
- image_documents = ProgressParallel(n_jobs=n_jobs, verbose=10 if verbose else 0, backend='multiprocessing')(
- delayed(path_to_doc1)(file, filei=filei, **kwargs) for filei, file in enumerate(globs_image_types)
- )
- else:
- image_documents = [path_to_doc1(file, filei=filei, **kwargs) for filei, file in
- enumerate(tqdm(globs_image_types))]
-
- # unload loaders (image loaders, includes enable_pdf_doctr that uses same loader)
- for name, loader in model_loaders.items():
- loader0 = model_loaders0[name]
- real_model_initial = loader0 is not None and not isinstance(loader0, (str, bool))
- real_model_final = model_loaders[name] is not None and not isinstance(model_loaders[name], (str, bool))
- if not real_model_initial and real_model_final:
- # clear off GPU newly added model
- model_loaders[name].unload_model()
-
- # add image docs in
- documents += image_documents
-
- if return_file:
- # then documents really are files
- files = documents.copy()
- documents = []
- for fil in files:
- with open(fil, 'rb') as f:
- documents.extend(pickle.load(f))
- # remove temp pickle
- remove(fil)
- else:
- documents = reduce(concat, documents)
-
- if verbose:
- print("END consuming path_or_paths=%s url=%s text=%s" % (path_or_paths, url, text), flush=True)
- return documents
-
-
-def prep_langchain(persist_directory,
- load_db_if_exists,
- db_type, use_openai_embedding,
- langchain_mode, langchain_mode_paths, langchain_mode_types,
- hf_embedding_model,
- migrate_embedding_model,
- auto_migrate_db,
- n_jobs=-1, kwargs_make_db={},
- verbose=False):
- """
- do prep first time, involving downloads
- # FIXME: Add github caching then add here
- :return:
- """
- if os.getenv("HARD_ASSERTS"):
- assert langchain_mode not in ['MyData'], "Should not prep scratch/personal data"
-
- if langchain_mode in langchain_modes_intrinsic:
- return None
-
- db_dir_exists = os.path.isdir(persist_directory)
- user_path = langchain_mode_paths.get(langchain_mode)
-
- if db_dir_exists and user_path is None:
- if verbose:
- print("Prep: persist_directory=%s exists, using" % persist_directory, flush=True)
- db, use_openai_embedding, hf_embedding_model = \
- get_existing_db(None, persist_directory, load_db_if_exists,
- db_type, use_openai_embedding,
- langchain_mode, langchain_mode_paths, langchain_mode_types,
- hf_embedding_model, migrate_embedding_model, auto_migrate_db,
- n_jobs=n_jobs)
- else:
- if db_dir_exists and user_path is not None:
- if verbose:
- print("Prep: persist_directory=%s exists, user_path=%s passed, adding any changed or new documents" % (
- persist_directory, user_path), flush=True)
- elif not db_dir_exists:
- if verbose:
- print("Prep: persist_directory=%s does not exist, regenerating" % persist_directory, flush=True)
- db = None
- if langchain_mode in ['DriverlessAI docs']:
- # FIXME: Could also just use dai_docs.pickle directly and upload that
- get_dai_docs(from_hf=True)
-
- if langchain_mode in ['wiki']:
- get_wiki_sources(first_para=kwargs_make_db['first_para'], text_limit=kwargs_make_db['text_limit'])
-
- langchain_kwargs = kwargs_make_db.copy()
- langchain_kwargs.update(locals())
- db, num_new_sources, new_sources_metadata = make_db(**langchain_kwargs)
-
- return db
-
-
-import posthog
-
-posthog.disabled = True
-
-
-class FakeConsumer(object):
- def __init__(self, *args, **kwargs):
- pass
-
- def run(self):
- pass
-
- def pause(self):
- pass
-
- def upload(self):
- pass
-
- def next(self):
- pass
-
- def request(self, batch):
- pass
-
-
-posthog.Consumer = FakeConsumer
-
-
-def check_update_chroma_embedding(db,
- db_type,
- use_openai_embedding,
- hf_embedding_model, migrate_embedding_model, auto_migrate_db,
- langchain_mode, langchain_mode_paths, langchain_mode_types,
- n_jobs=-1):
- changed_db = False
- embed_tuple = load_embed(db=db)
- if embed_tuple not in [(True, use_openai_embedding, hf_embedding_model),
- (False, use_openai_embedding, hf_embedding_model)]:
- print("Detected new embedding %s vs. %s %s, updating db: %s" % (
- use_openai_embedding, hf_embedding_model, embed_tuple, langchain_mode), flush=True)
- # handle embedding changes
- db_get = get_documents(db)
- sources = [Document(page_content=result[0], metadata=result[1] or {})
- for result in zip(db_get['documents'], db_get['metadatas'])]
- # delete index, has to be redone
- persist_directory = db._persist_directory
- shutil.move(persist_directory, persist_directory + "_" + str(uuid.uuid4()) + ".bak")
- assert db_type in ['chroma', 'chroma_old']
- load_db_if_exists = False
- db = get_db(sources, use_openai_embedding=use_openai_embedding, db_type=db_type,
- persist_directory=persist_directory, load_db_if_exists=load_db_if_exists,
- langchain_mode=langchain_mode,
- langchain_mode_paths=langchain_mode_paths,
- langchain_mode_types=langchain_mode_types,
- collection_name=None,
- hf_embedding_model=hf_embedding_model,
- migrate_embedding_model=migrate_embedding_model,
- auto_migrate_db=auto_migrate_db,
- n_jobs=n_jobs,
- )
- changed_db = True
- print("Done updating db for new embedding: %s" % langchain_mode, flush=True)
-
- return db, changed_db
-
-
-def migrate_meta_func(db, langchain_mode):
- changed_db = False
- db_get = get_documents(db)
- # just check one doc
- if len(db_get['metadatas']) > 0 and 'chunk_id' not in db_get['metadatas'][0]:
- print("Detected old metadata, adding additional information", flush=True)
- t0 = time.time()
- # handle meta changes
- [x.update(dict(chunk_id=x.get('chunk_id', 0))) for x in db_get['metadatas']]
- client_collection = db._client.get_collection(name=db._collection.name,
- embedding_function=db._collection._embedding_function)
- client_collection.update(ids=db_get['ids'], metadatas=db_get['metadatas'])
- # check
- db_get = get_documents(db)
- assert 'chunk_id' in db_get['metadatas'][0], "Failed to add meta"
- changed_db = True
- print("Done updating db for new meta: %s in %s seconds" % (langchain_mode, time.time() - t0), flush=True)
-
- return db, changed_db
-
-
-def get_existing_db(db, persist_directory,
- load_db_if_exists, db_type, use_openai_embedding,
- langchain_mode, langchain_mode_paths, langchain_mode_types,
- hf_embedding_model,
- migrate_embedding_model,
- auto_migrate_db=False,
- verbose=False, check_embedding=True, migrate_meta=True,
- n_jobs=-1):
- if load_db_if_exists and db_type in ['chroma', 'chroma_old'] and os.path.isdir(persist_directory):
- if os.path.isfile(os.path.join(persist_directory, 'chroma.sqlite3')):
- must_migrate = False
- elif os.path.isdir(os.path.join(persist_directory, 'index')):
- must_migrate = True
- else:
- return db, use_openai_embedding, hf_embedding_model
- chroma_settings = dict(is_persistent=True)
- use_chromamigdb = False
- if must_migrate:
- if auto_migrate_db:
- print("Detected chromadb<0.4 database, require migration, doing now....", flush=True)
- from chroma_migrate.import_duckdb import migrate_from_duckdb
- import chromadb
- api = chromadb.PersistentClient(path=persist_directory)
- did_migration = migrate_from_duckdb(api, persist_directory)
- assert did_migration, "Failed to migrate chroma collection at %s, see https://docs.trychroma.com/migration for CLI tool" % persist_directory
- elif have_chromamigdb:
- print(
- "Detected chroma<0.4 database but --auto_migrate_db=False, but detected chromamigdb package, so using old database that still requires duckdb",
- flush=True)
- chroma_settings = dict(chroma_db_impl="duckdb+parquet")
- use_chromamigdb = True
- else:
- raise ValueError(
- "Detected chromadb<0.4 database, require migration, but did not detect chromamigdb package or did not choose auto_migrate_db=False (see FAQ.md)")
-
- if db is None:
- if verbose:
- print("DO Loading db: %s" % langchain_mode, flush=True)
- got_embedding, use_openai_embedding0, hf_embedding_model0 = load_embed(persist_directory=persist_directory)
- if got_embedding:
- use_openai_embedding, hf_embedding_model = use_openai_embedding0, hf_embedding_model0
- embedding = get_embedding(use_openai_embedding, hf_embedding_model=hf_embedding_model)
- import logging
- logging.getLogger("chromadb").setLevel(logging.ERROR)
- if use_chromamigdb:
- from chromamigdb.config import Settings
- chroma_class = ChromaMig
- else:
- from chromadb.config import Settings
- chroma_class = Chroma
- client_settings = Settings(anonymized_telemetry=False,
- **chroma_settings,
- persist_directory=persist_directory)
- db = chroma_class(persist_directory=persist_directory, embedding_function=embedding,
- collection_name=langchain_mode.replace(' ', '_'),
- client_settings=client_settings)
- try:
- db.similarity_search('')
- except BaseException as e:
- # migration when no embed_info
- if 'Dimensionality of (768) does not match index dimensionality (384)' in str(e) or \
- 'Embedding dimension 768 does not match collection dimensionality 384' in str(e):
- hf_embedding_model = "sentence-transformers/all-MiniLM-L6-v2"
- embedding = get_embedding(use_openai_embedding, hf_embedding_model=hf_embedding_model)
- db = chroma_class(persist_directory=persist_directory, embedding_function=embedding,
- collection_name=langchain_mode.replace(' ', '_'),
- client_settings=client_settings)
- # should work now, let fail if not
- db.similarity_search('')
- save_embed(db, use_openai_embedding, hf_embedding_model)
- else:
- raise
-
- if verbose:
- print("DONE Loading db: %s" % langchain_mode, flush=True)
- else:
- if not migrate_embedding_model:
- # OVERRIDE embedding choices if could load embedding info when not migrating
- got_embedding, use_openai_embedding, hf_embedding_model = load_embed(db=db)
- if verbose:
- print("USING already-loaded db: %s" % langchain_mode, flush=True)
- if check_embedding:
- db_trial, changed_db = check_update_chroma_embedding(db,
- db_type,
- use_openai_embedding,
- hf_embedding_model,
- migrate_embedding_model,
- auto_migrate_db,
- langchain_mode,
- langchain_mode_paths,
- langchain_mode_types,
- n_jobs=n_jobs)
- if changed_db:
- db = db_trial
- # only call persist if really changed db, else takes too long for large db
- if db is not None:
- db.persist()
- clear_embedding(db)
- save_embed(db, use_openai_embedding, hf_embedding_model)
- if migrate_meta and db is not None:
- db_trial, changed_db = migrate_meta_func(db, langchain_mode)
- if changed_db:
- db = db_trial
- return db, use_openai_embedding, hf_embedding_model
- return db, use_openai_embedding, hf_embedding_model
-
-
-def clear_embedding(db):
- if db is None:
- return
- # don't keep on GPU, wastes memory, push back onto CPU and only put back on GPU once again embed
- try:
- if hasattr(db._embedding_function, 'client') and hasattr(db._embedding_function.client, 'cpu'):
- # only push back to CPU if each db/user has own embedding model, else if shared share on GPU
- if hasattr(db._embedding_function.client, 'preload') and not db._embedding_function.client.preload:
- db._embedding_function.client.cpu()
- clear_torch_cache()
- except RuntimeError as e:
- print("clear_embedding error: %s" % ''.join(traceback.format_tb(e.__traceback__)), flush=True)
-
-
-def make_db(**langchain_kwargs):
- func_names = list(inspect.signature(_make_db).parameters)
- missing_kwargs = [x for x in func_names if x not in langchain_kwargs]
- defaults_db = {k: v.default for k, v in dict(inspect.signature(run_qa_db).parameters).items()}
- for k in missing_kwargs:
- if k in defaults_db:
- langchain_kwargs[k] = defaults_db[k]
- # final check for missing
- missing_kwargs = [x for x in func_names if x not in langchain_kwargs]
- assert not missing_kwargs, "Missing kwargs for make_db: %s" % missing_kwargs
- # only keep actual used
- langchain_kwargs = {k: v for k, v in langchain_kwargs.items() if k in func_names}
- return _make_db(**langchain_kwargs)
-
-
-embed_lock_name = 'embed.lock'
-
-
-def get_embed_lock_file(db, persist_directory=None):
- if hasattr(db, '_persist_directory') or persist_directory:
- if persist_directory is None:
- persist_directory = db._persist_directory
- check_persist_directory(persist_directory)
- base_path = os.path.join('locks', persist_directory)
- base_path = makedirs(base_path, exist_ok=True, tmp_ok=True, use_base=True)
- lock_file = os.path.join(base_path, embed_lock_name)
- makedirs(os.path.dirname(lock_file))
- return lock_file
- return None
-
-
-def save_embed(db, use_openai_embedding, hf_embedding_model):
- if hasattr(db, '_persist_directory'):
- persist_directory = db._persist_directory
- lock_file = get_embed_lock_file(db)
- with filelock.FileLock(lock_file):
- embed_info_file = os.path.join(persist_directory, 'embed_info')
- with open(embed_info_file, 'wb') as f:
- if isinstance(hf_embedding_model, str):
- hf_embedding_model_save = hf_embedding_model
- elif hasattr(hf_embedding_model, 'model_name'):
- hf_embedding_model_save = hf_embedding_model.model_name
- elif isinstance(hf_embedding_model, dict) and 'name' in hf_embedding_model:
- hf_embedding_model_save = hf_embedding_model['name']
- elif isinstance(hf_embedding_model, dict) and 'name' in hf_embedding_model:
- if os.getenv('HARD_ASSERTS'):
- # unexpected in testing or normally
- raise RuntimeError("HERE")
- hf_embedding_model_save = 'hkunlp/instructor-large'
- pickle.dump((use_openai_embedding, hf_embedding_model_save), f)
- return use_openai_embedding, hf_embedding_model
-
-
-def load_embed(db=None, persist_directory=None):
- if hasattr(db, 'embeddings') and hasattr(db.embeddings, 'model_name'):
- hf_embedding_model = db.embeddings.model_name if 'openai' not in db.embeddings.model_name.lower() else None
- use_openai_embedding = hf_embedding_model is None
- save_embed(db, use_openai_embedding, hf_embedding_model)
- return True, use_openai_embedding, hf_embedding_model
- if persist_directory is None:
- persist_directory = db._persist_directory
- embed_info_file = os.path.join(persist_directory, 'embed_info')
- if os.path.isfile(embed_info_file):
- lock_file = get_embed_lock_file(db, persist_directory=persist_directory)
- with filelock.FileLock(lock_file):
- with open(embed_info_file, 'rb') as f:
- try:
- use_openai_embedding, hf_embedding_model = pickle.load(f)
- if not isinstance(hf_embedding_model, str):
- # work-around bug introduced here: https://github.com/h2oai/h2ogpt/commit/54c4414f1ce3b5b7c938def651c0f6af081c66de
- hf_embedding_model = 'hkunlp/instructor-large'
- # fix file
- save_embed(db, use_openai_embedding, hf_embedding_model)
- got_embedding = True
- except EOFError:
- use_openai_embedding, hf_embedding_model = False, 'hkunlp/instructor-large'
- got_embedding = False
- if os.getenv('HARD_ASSERTS'):
- # unexpected in testing or normally
- raise
- else:
- # migration, assume defaults
- use_openai_embedding, hf_embedding_model = False, "sentence-transformers/all-MiniLM-L6-v2"
- got_embedding = False
- assert isinstance(hf_embedding_model, str)
- return got_embedding, use_openai_embedding, hf_embedding_model
-
-
-def get_persist_directory(langchain_mode, langchain_type=None, db1s=None, dbs=None):
- if langchain_mode in [LangChainMode.DISABLED.value, LangChainMode.LLM.value]:
- # not None so join works but will fail to find db
- return '', langchain_type
-
- userid = get_userid_direct(db1s)
- username = get_username_direct(db1s)
-
- # sanity for bad code
- assert userid != 'None'
- assert username != 'None'
-
- dirid = username or userid
- if langchain_type == LangChainTypes.SHARED.value and not dirid:
- dirid = './' # just to avoid error
- if langchain_type == LangChainTypes.PERSONAL.value and not dirid:
- # e.g. from client when doing transient calls with MyData
- if db1s is None:
- # just trick to get filled locally
- db1s = {LangChainMode.MY_DATA.value: [None, None, None]}
- set_userid_direct(db1s, str(uuid.uuid4()), str(uuid.uuid4()))
- userid = get_userid_direct(db1s)
- username = get_username_direct(db1s)
- dirid = username or userid
- langchain_type = LangChainTypes.PERSONAL.value
-
- # deal with existing locations
- user_base_dir = os.getenv('USERS_BASE_DIR', 'users')
- persist_directory = os.path.join(user_base_dir, dirid, 'db_dir_%s' % langchain_mode)
- if userid and \
- (os.path.isdir(persist_directory) or
- db1s is not None and langchain_mode in db1s or
- langchain_type == LangChainTypes.PERSONAL.value):
- langchain_type = LangChainTypes.PERSONAL.value
- persist_directory = makedirs(persist_directory, use_base=True)
- check_persist_directory(persist_directory)
- return persist_directory, langchain_type
-
- persist_directory = 'db_dir_%s' % langchain_mode
- if (os.path.isdir(persist_directory) or
- dbs is not None and langchain_mode in dbs or
- langchain_type == LangChainTypes.SHARED.value):
- # ensure consistent
- langchain_type = LangChainTypes.SHARED.value
- persist_directory = makedirs(persist_directory, use_base=True)
- check_persist_directory(persist_directory)
- return persist_directory, langchain_type
-
- # dummy return for prep_langchain() or full personal space
- base_others = 'db_nonusers'
- persist_directory = os.path.join(base_others, 'db_dir_%s' % str(uuid.uuid4()))
- persist_directory = makedirs(persist_directory, use_base=True)
- langchain_type = LangChainTypes.PERSONAL.value
-
- check_persist_directory(persist_directory)
- return persist_directory, langchain_type
-
-
-def check_persist_directory(persist_directory):
- # deal with some cases when see intrinsic names being used as shared
- for langchain_mode in langchain_modes_intrinsic:
- if persist_directory == 'db_dir_%s' % langchain_mode:
- raise RuntimeError("Illegal access to %s" % persist_directory)
-
-
-def _make_db(use_openai_embedding=False,
- hf_embedding_model=None,
- migrate_embedding_model=False,
- auto_migrate_db=False,
- first_para=False, text_limit=None,
- chunk=True, chunk_size=512,
-
- # urls
- use_unstructured=True,
- use_playwright=False,
- use_selenium=False,
-
- # pdfs
- use_pymupdf='auto',
- use_unstructured_pdf='auto',
- use_pypdf='auto',
- enable_pdf_ocr='auto',
- enable_pdf_doctr='auto',
- try_pdf_as_html='auto',
-
- # images
- enable_ocr=False,
- enable_doctr=False,
- enable_pix2struct=False,
- enable_captions=True,
- captions_model=None,
- caption_loader=None,
- doctr_loader=None,
- pix2struct_loader=None,
-
- # json
- jq_schema='.[]',
-
- langchain_mode=None,
- langchain_mode_paths=None,
- langchain_mode_types=None,
- db_type='faiss',
- load_db_if_exists=True,
- db=None,
- n_jobs=-1,
- verbose=False):
- assert hf_embedding_model is not None
- user_path = langchain_mode_paths.get(langchain_mode)
- langchain_type = langchain_mode_types.get(langchain_mode, LangChainTypes.EITHER.value)
- persist_directory, langchain_type = get_persist_directory(langchain_mode, langchain_type=langchain_type)
- langchain_mode_types[langchain_mode] = langchain_type
- # see if can get persistent chroma db
- db_trial, use_openai_embedding, hf_embedding_model = \
- get_existing_db(db, persist_directory, load_db_if_exists, db_type,
- use_openai_embedding,
- langchain_mode, langchain_mode_paths, langchain_mode_types,
- hf_embedding_model, migrate_embedding_model, auto_migrate_db, verbose=verbose,
- n_jobs=n_jobs)
- if db_trial is not None:
- db = db_trial
-
- sources = []
- if not db:
- chunk_sources = functools.partial(_chunk_sources, chunk=chunk, chunk_size=chunk_size, db_type=db_type)
- if langchain_mode in ['wiki_full']:
- from read_wiki_full import get_all_documents
- small_test = None
- print("Generating new wiki", flush=True)
- sources1 = get_all_documents(small_test=small_test, n_jobs=os.cpu_count() // 2)
- print("Got new wiki", flush=True)
- sources1 = chunk_sources(sources1, chunk=chunk)
- print("Chunked new wiki", flush=True)
- sources.extend(sources1)
- elif langchain_mode in ['wiki']:
- sources1 = get_wiki_sources(first_para=first_para, text_limit=text_limit)
- sources1 = chunk_sources(sources1, chunk=chunk)
- sources.extend(sources1)
- elif langchain_mode in ['github h2oGPT']:
- # sources = get_github_docs("dagster-io", "dagster")
- sources1 = get_github_docs("h2oai", "h2ogpt")
- # FIXME: always chunk for now
- sources1 = chunk_sources(sources1)
- sources.extend(sources1)
- elif langchain_mode in ['DriverlessAI docs']:
- sources1 = get_dai_docs(from_hf=True)
- # FIXME: DAI docs are already chunked well, should only chunk more if over limit
- sources1 = chunk_sources(sources1, chunk=False)
- sources.extend(sources1)
- if user_path:
- # UserData or custom, which has to be from user's disk
- if db is not None:
- # NOTE: Ignore file names for now, only go by hash ids
- # existing_files = get_existing_files(db)
- existing_files = []
- existing_hash_ids = get_existing_hash_ids(db)
- else:
- # pretend no existing files so won't filter
- existing_files = []
- existing_hash_ids = []
- # chunk internally for speed over multiple docs
- # FIXME: If first had old Hash=None and switch embeddings,
- # then re-embed, and then hit here and reload so have hash, and then re-embed.
- sources1 = path_to_docs(user_path, n_jobs=n_jobs, chunk=chunk, chunk_size=chunk_size,
- # urls
- use_unstructured=use_unstructured,
- use_playwright=use_playwright,
- use_selenium=use_selenium,
-
- # pdfs
- use_pymupdf=use_pymupdf,
- use_unstructured_pdf=use_unstructured_pdf,
- use_pypdf=use_pypdf,
- enable_pdf_ocr=enable_pdf_ocr,
- enable_pdf_doctr=enable_pdf_doctr,
- try_pdf_as_html=try_pdf_as_html,
-
- # images
- enable_ocr=enable_ocr,
- enable_doctr=enable_doctr,
- enable_pix2struct=enable_pix2struct,
- enable_captions=enable_captions,
- captions_model=captions_model,
- caption_loader=caption_loader,
- doctr_loader=doctr_loader,
- pix2struct_loader=pix2struct_loader,
-
- # json
- jq_schema=jq_schema,
-
- existing_files=existing_files, existing_hash_ids=existing_hash_ids,
- db_type=db_type)
- new_metadata_sources = set([x.metadata['source'] for x in sources1])
- if new_metadata_sources:
- if os.getenv('NO_NEW_FILES') is not None:
- raise RuntimeError("Expected no new files! %s" % new_metadata_sources)
- print("Loaded %s new files as sources to add to %s" % (len(new_metadata_sources), langchain_mode),
- flush=True)
- if verbose:
- print("Files added: %s" % '\n'.join(new_metadata_sources), flush=True)
- sources.extend(sources1)
- if len(sources) > 0 and os.getenv('NO_NEW_FILES') is not None:
- raise RuntimeError("Expected no new files! %s" % langchain_mode)
- if len(sources) == 0 and os.getenv('SHOULD_NEW_FILES') is not None:
- raise RuntimeError("Expected new files! %s" % langchain_mode)
- print("Loaded %s sources for potentially adding to %s" % (len(sources), langchain_mode), flush=True)
-
- # see if got sources
- if not sources:
- if verbose:
- if db is not None:
- print("langchain_mode %s has no new sources, nothing to add to db" % langchain_mode, flush=True)
- else:
- print("langchain_mode %s has no sources, not making new db" % langchain_mode, flush=True)
- return db, 0, []
- if verbose:
- if db is not None:
- print("Generating db", flush=True)
- else:
- print("Adding to db", flush=True)
- if not db:
- if sources:
- db = get_db(sources, use_openai_embedding=use_openai_embedding, db_type=db_type,
- persist_directory=persist_directory,
- langchain_mode=langchain_mode,
- langchain_mode_paths=langchain_mode_paths,
- langchain_mode_types=langchain_mode_types,
- hf_embedding_model=hf_embedding_model,
- migrate_embedding_model=migrate_embedding_model,
- auto_migrate_db=auto_migrate_db,
- n_jobs=n_jobs)
- if verbose:
- print("Generated db", flush=True)
- elif langchain_mode not in langchain_modes_intrinsic:
- print("Did not generate db for %s since no sources" % langchain_mode, flush=True)
- new_sources_metadata = [x.metadata for x in sources]
- elif user_path is not None:
- print("Existing db, potentially adding %s sources from user_path=%s" % (len(sources), user_path), flush=True)
- db, num_new_sources, new_sources_metadata = add_to_db(db, sources, db_type=db_type,
- use_openai_embedding=use_openai_embedding,
- hf_embedding_model=hf_embedding_model)
- print("Existing db, added %s new sources from user_path=%s" % (num_new_sources, user_path), flush=True)
- else:
- new_sources_metadata = [x.metadata for x in sources]
-
- return db, len(new_sources_metadata), new_sources_metadata
-
-
-def get_metadatas(db):
- metadatas = []
- from langchain.vectorstores import FAISS
- if isinstance(db, FAISS):
- metadatas = [v.metadata for k, v in db.docstore._dict.items()]
- elif isinstance(db, Chroma) or isinstance(db, ChromaMig) or ChromaMig.__name__ in str(db):
- metadatas = get_documents(db)['metadatas']
- elif db is not None:
- # FIXME: Hack due to https://github.com/weaviate/weaviate/issues/1947
- # seems no way to get all metadata, so need to avoid this approach for weaviate
- metadatas = [x.metadata for x in db.similarity_search("", k=10000)]
- return metadatas
-
-
-def get_db_lock_file(db, lock_type='getdb'):
- if hasattr(db, '_persist_directory'):
- persist_directory = db._persist_directory
- check_persist_directory(persist_directory)
- base_path = os.path.join('locks', persist_directory)
- base_path = makedirs(base_path, exist_ok=True, tmp_ok=True, use_base=True)
- lock_file = os.path.join(base_path, "%s.lock" % lock_type)
- makedirs(os.path.dirname(lock_file)) # ensure made
- return lock_file
- return None
-
-
-def get_documents(db):
- if hasattr(db, '_persist_directory'):
- lock_file = get_db_lock_file(db)
- with filelock.FileLock(lock_file):
- # get segfaults and other errors when multiple threads access this
- return _get_documents(db)
- else:
- return _get_documents(db)
-
-
-def _get_documents(db):
- from langchain.vectorstores import FAISS
- if isinstance(db, FAISS):
- documents = [v for k, v in db.docstore._dict.items()]
- documents = dict(documents=documents)
- elif isinstance(db, Chroma) or isinstance(db, ChromaMig) or ChromaMig.__name__ in str(db):
- documents = db.get()
- else:
- # FIXME: Hack due to https://github.com/weaviate/weaviate/issues/1947
- # seems no way to get all metadata, so need to avoid this approach for weaviate
- documents = [x for x in db.similarity_search("", k=10000)]
- documents = dict(documents=documents)
- return documents
-
-
-def get_docs_and_meta(db, top_k_docs, filter_kwargs={}, text_context_list=None):
- if hasattr(db, '_persist_directory'):
- lock_file = get_db_lock_file(db)
- with filelock.FileLock(lock_file):
- return _get_docs_and_meta(db, top_k_docs, filter_kwargs=filter_kwargs, text_context_list=text_context_list)
- else:
- return _get_docs_and_meta(db, top_k_docs, filter_kwargs=filter_kwargs, text_context_list=text_context_list)
-
-
-def _get_docs_and_meta(db, top_k_docs, filter_kwargs={}, text_context_list=None):
- db_documents = []
- db_metadatas = []
-
- if text_context_list:
- db_documents += [x.page_content if hasattr(x, 'page_content') else x for x in text_context_list]
- db_metadatas += [x.metadata if hasattr(x, 'metadata') else {} for x in text_context_list]
-
- from langchain.vectorstores import FAISS
- if isinstance(db, Chroma) or isinstance(db, ChromaMig) or ChromaMig.__name__ in str(db):
- db_get = db._collection.get(where=filter_kwargs.get('filter'))
- db_metadatas += db_get['metadatas']
- db_documents += db_get['documents']
- elif isinstance(db, FAISS):
- import itertools
- db_metadatas += get_metadatas(db)
- # FIXME: FAISS has no filter
- if top_k_docs == -1:
- db_documents += list(db.docstore._dict.values())
- else:
- # slice dict first
- db_documents += list(dict(itertools.islice(db.docstore._dict.items(), top_k_docs)).values())
- elif db is not None:
- db_metadatas += get_metadatas(db)
- db_documents += get_documents(db)['documents']
-
- return db_documents, db_metadatas
-
-
-def get_existing_files(db):
- metadatas = get_metadatas(db)
- metadata_sources = set([x['source'] for x in metadatas])
- return metadata_sources
-
-
-def get_existing_hash_ids(db):
- metadatas = get_metadatas(db)
- # assume consistency, that any prior hashed source was single hashed file at the time among all source chunks
- metadata_hash_ids = {os.path.normpath(x['source']): x.get('hashid') for x in metadatas}
- return metadata_hash_ids
-
-
-def run_qa_db(**kwargs):
- func_names = list(inspect.signature(_run_qa_db).parameters)
- # hard-coded defaults
- kwargs['answer_with_sources'] = kwargs.get('answer_with_sources', True)
- kwargs['show_rank'] = kwargs.get('show_rank', False)
- kwargs['show_accordions'] = kwargs.get('show_accordions', True)
- kwargs['show_link_in_sources'] = kwargs.get('show_link_in_sources', True)
- kwargs['top_k_docs_max_show'] = kwargs.get('top_k_docs_max_show', 10)
- kwargs['llamacpp_dict'] = {} # shouldn't be required unless from test using _run_qa_db
- missing_kwargs = [x for x in func_names if x not in kwargs]
- assert not missing_kwargs, "Missing kwargs for run_qa_db: %s" % missing_kwargs
- # only keep actual used
- kwargs = {k: v for k, v in kwargs.items() if k in func_names}
- try:
- return _run_qa_db(**kwargs)
- finally:
- clear_torch_cache()
-
-
-def _run_qa_db(query=None,
- iinput=None,
- context=None,
- use_openai_model=False, use_openai_embedding=False,
- first_para=False, text_limit=None, top_k_docs=4, chunk=True, chunk_size=512,
-
- # urls
- use_unstructured=True,
- use_playwright=False,
- use_selenium=False,
-
- # pdfs
- use_pymupdf='auto',
- use_unstructured_pdf='auto',
- use_pypdf='auto',
- enable_pdf_ocr='auto',
- enable_pdf_doctr='auto',
- try_pdf_as_html='auto',
-
- # images
- enable_ocr=False,
- enable_doctr=False,
- enable_pix2struct=False,
- enable_captions=True,
- captions_model=None,
- caption_loader=None,
- doctr_loader=None,
- pix2struct_loader=None,
-
- # json
- jq_schema='.[]',
-
- langchain_mode_paths={},
- langchain_mode_types={},
- detect_user_path_changes_every_query=False,
- db_type=None,
- model_name=None, model=None, tokenizer=None, inference_server=None,
- langchain_only_model=False,
- hf_embedding_model=None,
- migrate_embedding_model=False,
- auto_migrate_db=False,
- stream_output=False,
- async_output=True,
- num_async=3,
- prompter=None,
- prompt_type=None,
- prompt_dict=None,
- answer_with_sources=True,
- append_sources_to_answer=True,
- cut_distance=1.64,
- add_chat_history_to_context=True,
- add_search_to_context=False,
- keep_sources_in_context=False,
- memory_restriction_level=0,
- system_prompt='',
- sanitize_bot_response=False,
- show_rank=False,
- show_accordions=True,
- show_link_in_sources=True,
- top_k_docs_max_show=10,
- use_llm_if_no_docs=True,
- load_db_if_exists=False,
- db=None,
- do_sample=False,
- temperature=0.1,
- top_k=40,
- top_p=0.7,
- num_beams=1,
- max_new_tokens=512,
- min_new_tokens=1,
- early_stopping=False,
- max_time=180,
- repetition_penalty=1.0,
- num_return_sequences=1,
- langchain_mode=None,
- langchain_action=None,
- langchain_agents=None,
- document_subset=DocumentSubset.Relevant.name,
- document_choice=[DocumentChoice.ALL.value],
- pre_prompt_query=None,
- prompt_query=None,
- pre_prompt_summary=None,
- prompt_summary=None,
- text_context_list=None,
- chat_conversation=None,
- visible_models=None,
- h2ogpt_key=None,
- docs_ordering_type='reverse_ucurve_sort',
- min_max_new_tokens=256,
-
- n_jobs=-1,
- llamacpp_dict=None,
- verbose=False,
- cli=False,
- lora_weights='',
- auto_reduce_chunks=True,
- max_chunks=100,
- total_tokens_for_docs=None,
- headsize=50,
- ):
- """
-
- :param query:
- :param use_openai_model:
- :param use_openai_embedding:
- :param first_para:
- :param text_limit:
- :param top_k_docs:
- :param chunk:
- :param chunk_size:
- :param langchain_mode_paths: dict of langchain_mode -> user path to glob recursively from
- :param db_type: 'faiss' for in-memory
- 'chroma' (for chroma >= 0.4)
- 'chroma_old' (for chroma < 0.4)
- 'weaviate' for persisted on disk
- :param model_name: model name, used to switch behaviors
- :param model: pre-initialized model, else will make new one
- :param tokenizer: pre-initialized tokenizer, else will make new one. Required not None if model is not None
- :param answer_with_sources
- :return:
- """
- t_run = time.time()
- if stream_output:
- # threads and asyncio don't mix
- async_output = False
- if langchain_action in [LangChainAction.QUERY.value]:
- # only summarization supported
- async_output = False
-
- # in case None, e.g. lazy client, then set based upon actual model
- pre_prompt_query, prompt_query, pre_prompt_summary, prompt_summary = \
- get_langchain_prompts(pre_prompt_query, prompt_query,
- pre_prompt_summary, prompt_summary,
- model_name, inference_server,
- llamacpp_dict.get('model_path_llama'))
-
- assert db_type is not None
- assert hf_embedding_model is not None
- assert langchain_mode_paths is not None
- assert langchain_mode_types is not None
- if model is not None:
- assert model_name is not None # require so can make decisions
- assert query is not None
- assert prompter is not None or prompt_type is not None or model is None # if model is None, then will generate
- if prompter is not None:
- prompt_type = prompter.prompt_type
- prompt_dict = prompter.prompt_dict
- if model is not None:
- assert prompt_type is not None
- if prompt_type == PromptType.custom.name:
- assert prompt_dict is not None # should at least be {} or ''
- else:
- prompt_dict = ''
-
- if LangChainAgent.SEARCH.value in langchain_agents and 'llama' in model_name.lower():
- system_prompt = """You are a zero shot react agent.
-Consider to prompt of Question that was original query from the user.
-Respond to prompt of Thought with a thought that may lead to a reasonable new action choice.
-Respond to prompt of Action with an action to take out of the tools given, giving exactly single word for the tool name.
-Respond to prompt of Action Input with an input to give the tool.
-Consider to prompt of Observation that was response from the tool.
-Repeat this Thought, Action, Action Input, Observation, Thought sequence several times with new and different thoughts and actions each time, do not repeat.
-Once satisfied that the thoughts, responses are sufficient to answer the question, then respond to prompt of Thought with: I now know the final answer
-Respond to prompt of Final Answer with your final high-quality bullet list answer to the original query.
-"""
- prompter.system_prompt = system_prompt
-
- assert len(set(gen_hyper).difference(inspect.signature(get_llm).parameters)) == 0
- # pass in context to LLM directly, since already has prompt_type structure
- # can't pass through langchain in get_chain() to LLM: https://github.com/hwchase17/langchain/issues/6638
- llm, model_name, streamer, prompt_type_out, async_output, only_new_text = \
- get_llm(use_openai_model=use_openai_model, model_name=model_name,
- model=model,
- tokenizer=tokenizer,
- inference_server=inference_server,
- langchain_only_model=langchain_only_model,
- stream_output=stream_output,
- async_output=async_output,
- num_async=num_async,
- do_sample=do_sample,
- temperature=temperature,
- top_k=top_k,
- top_p=top_p,
- num_beams=num_beams,
- max_new_tokens=max_new_tokens,
- min_new_tokens=min_new_tokens,
- early_stopping=early_stopping,
- max_time=max_time,
- repetition_penalty=repetition_penalty,
- num_return_sequences=num_return_sequences,
- prompt_type=prompt_type,
- prompt_dict=prompt_dict,
- prompter=prompter,
- context=context,
- iinput=iinput,
- sanitize_bot_response=sanitize_bot_response,
- system_prompt=system_prompt,
- visible_models=visible_models,
- h2ogpt_key=h2ogpt_key,
- min_max_new_tokens=min_max_new_tokens,
- n_jobs=n_jobs,
- llamacpp_dict=llamacpp_dict,
- cli=cli,
- verbose=verbose,
- )
- # in case change, override original prompter
- if hasattr(llm, 'prompter'):
- prompter = llm.prompter
- if hasattr(llm, 'pipeline') and hasattr(llm.pipeline, 'prompter'):
- prompter = llm.pipeline.prompter
-
- if prompter is None:
- if prompt_type is None:
- prompt_type = prompt_type_out
- # get prompter
- chat = True # FIXME?
- prompter = Prompter(prompt_type, prompt_dict, debug=False, chat=chat, stream_output=stream_output,
- system_prompt=system_prompt)
-
- use_docs_planned = False
- scores = []
- chain = None
-
- # basic version of prompt without docs etc.
- data_point = dict(context=context, instruction=query, input=iinput)
- prompt_basic = prompter.generate_prompt(data_point)
-
- if isinstance(document_choice, str):
- # support string as well
- document_choice = [document_choice]
-
- func_names = list(inspect.signature(get_chain).parameters)
- sim_kwargs = {k: v for k, v in locals().items() if k in func_names}
- missing_kwargs = [x for x in func_names if x not in sim_kwargs]
- assert not missing_kwargs, "Missing: %s" % missing_kwargs
- docs, chain, scores, \
- use_docs_planned, num_docs_before_cut, \
- use_llm_if_no_docs, llm_mode, top_k_docs_max_show = \
- get_chain(**sim_kwargs)
- if document_subset in non_query_commands:
- formatted_doc_chunks = '\n\n'.join([get_url(x) + '\n\n' + x.page_content for x in docs])
- if not formatted_doc_chunks and not use_llm_if_no_docs:
- yield dict(prompt=prompt_basic, response="No sources", sources='', num_prompt_tokens=0)
- return
- # if no souces, outside gpt_langchain, LLM will be used with '' input
- scores = [1] * len(docs)
- get_answer_args = tuple([query, docs, formatted_doc_chunks, scores, show_rank,
- answer_with_sources,
- append_sources_to_answer])
- get_answer_kwargs = dict(show_accordions=show_accordions,
- show_link_in_sources=show_link_in_sources,
- top_k_docs_max_show=top_k_docs_max_show,
- docs_ordering_type=docs_ordering_type,
- num_docs_before_cut=num_docs_before_cut,
- verbose=verbose)
- ret, extra = get_sources_answer(*get_answer_args, **get_answer_kwargs)
- yield dict(prompt=prompt_basic, response=formatted_doc_chunks, sources=extra, num_prompt_tokens=0)
- return
- if not use_llm_if_no_docs:
- if not docs and langchain_action in [LangChainAction.SUMMARIZE_MAP.value,
- LangChainAction.SUMMARIZE_ALL.value,
- LangChainAction.SUMMARIZE_REFINE.value]:
- ret = 'No relevant documents to summarize.' if num_docs_before_cut else 'No documents to summarize.'
- extra = ''
- yield dict(prompt=prompt_basic, response=ret, sources=extra, num_prompt_tokens=0)
- return
- if not docs and not llm_mode:
- ret = 'No relevant documents to query (for chatting with LLM, pick Resources->Collections->LLM).' if num_docs_before_cut else 'No documents to query (for chatting with LLM, pick Resources->Collections->LLM).'
- extra = ''
- yield dict(prompt=prompt_basic, response=ret, sources=extra, num_prompt_tokens=0)
- return
-
- if chain is None and not langchain_only_model:
- # here if no docs at all and not HF type
- # can only return if HF type
- return
-
- # context stuff similar to used in evaluate()
- import torch
- device, torch_dtype, context_class = get_device_dtype()
- conditional_type = hasattr(llm, 'pipeline') and hasattr(llm.pipeline, 'model') and hasattr(llm.pipeline.model,
- 'conditional_type') and llm.pipeline.model.conditional_type
- with torch.no_grad():
- have_lora_weights = lora_weights not in [no_lora_str, '', None]
- context_class_cast = NullContext if device == 'cpu' or have_lora_weights else torch.autocast
- if conditional_type:
- # issues when casting to float16, can mess up t5 model, e.g. only when not streaming, or other odd behaviors
- context_class_cast = NullContext
- with context_class_cast(device):
- if stream_output and streamer:
- answer = None
- import queue
- bucket = queue.Queue()
- thread = EThread(target=chain, streamer=streamer, bucket=bucket)
- thread.start()
- outputs = ""
- try:
- for new_text in streamer:
- # print("new_text: %s" % new_text, flush=True)
- if bucket.qsize() > 0 or thread.exc:
- thread.join()
- outputs += new_text
- if prompter: # and False: # FIXME: pipeline can already use prompter
- if conditional_type:
- if prompter.botstr:
- prompt = prompter.botstr
- output_with_prompt = prompt + outputs
- only_new_text = False
- else:
- prompt = None
- output_with_prompt = outputs
- only_new_text = True
- else:
- prompt = None # FIXME
- output_with_prompt = outputs
- # don't specify only_new_text here, use get_llm() value
- output1 = prompter.get_response(output_with_prompt, prompt=prompt,
- only_new_text=only_new_text,
- sanitize_bot_response=sanitize_bot_response)
- yield dict(prompt=prompt, response=output1, sources='', num_prompt_tokens=0)
- else:
- yield dict(prompt=prompt, response=outputs, sources='', num_prompt_tokens=0)
- except BaseException:
- # if any exception, raise that exception if was from thread, first
- if thread.exc:
- raise thread.exc
- raise
- finally:
- # in case no exception and didn't join with thread yet, then join
- if not thread.exc:
- answer = thread.join()
- if isinstance(answer, dict):
- if 'output_text' in answer:
- answer = answer['output_text']
- elif 'output' in answer:
- answer = answer['output']
- # in case raise StopIteration or broke queue loop in streamer, but still have exception
- if thread.exc:
- raise thread.exc
- else:
- if async_output:
- import asyncio
- answer = asyncio.run(chain())
- else:
- answer = chain()
- if isinstance(answer, dict):
- if 'output_text' in answer:
- answer = answer['output_text']
- elif 'output' in answer:
- answer = answer['output']
-
- get_answer_args = tuple([query, docs, answer, scores, show_rank,
- answer_with_sources,
- append_sources_to_answer])
- get_answer_kwargs = dict(show_accordions=show_accordions,
- show_link_in_sources=show_link_in_sources,
- top_k_docs_max_show=top_k_docs_max_show,
- docs_ordering_type=docs_ordering_type,
- num_docs_before_cut=num_docs_before_cut,
- verbose=verbose,
- t_run=t_run,
- count_input_tokens=llm.count_input_tokens
- if hasattr(llm, 'count_input_tokens') else None,
- count_output_tokens=llm.count_output_tokens
- if hasattr(llm, 'count_output_tokens') else None)
-
- t_run = time.time() - t_run
-
- # for final yield, get real prompt used
- if hasattr(llm, 'prompter') and llm.prompter.prompt is not None:
- prompt = llm.prompter.prompt
- else:
- prompt = prompt_basic
- num_prompt_tokens = get_token_count(prompt, tokenizer)
-
- if not use_docs_planned:
- ret = answer
- extra = ''
- yield dict(prompt=prompt, response=ret, sources=extra, num_prompt_tokens=num_prompt_tokens)
- elif answer is not None:
- ret, extra = get_sources_answer(*get_answer_args, **get_answer_kwargs)
- yield dict(prompt=prompt, response=ret, sources=extra, num_prompt_tokens=num_prompt_tokens)
- return
-
-
-def get_docs_with_score(query, k_db, filter_kwargs, db, db_type, text_context_list=None, verbose=False):
- docs_with_score = []
- got_db_docs = False
-
- if text_context_list:
- docs_with_score += [(x, x.metadata.get('score', 1.0)) for x in text_context_list]
-
- # deal with bug in chroma where if (say) 234 doc chunks and ask for 233+ then fails due to reduction misbehavior
- if hasattr(db, '_embedding_function') and isinstance(db._embedding_function, FakeEmbeddings):
- top_k_docs = -1
- # don't add text_context_list twice
- db_documents, db_metadatas = get_docs_and_meta(db, top_k_docs, filter_kwargs=filter_kwargs,
- text_context_list=None)
- # sort by order given to parser (file_id) and any chunk_id if chunked
- doc_file_ids = [x.get('file_id', 0) for x in db_metadatas]
- doc_chunk_ids = [x.get('chunk_id', 0) for x in db_metadatas]
- docs_with_score_fake = [(Document(page_content=result[0], metadata=result[1] or {}), 1.0)
- for result in zip(db_documents, db_metadatas)]
- docs_with_score_fake = [x for fx, cx, x in
- sorted(zip(doc_file_ids, doc_chunk_ids, docs_with_score_fake),
- key=lambda x: (x[0], x[1]))
- ]
- got_db_docs |= len(docs_with_score_fake) > 0
- docs_with_score += docs_with_score_fake
- elif db is not None and db_type in ['chroma', 'chroma_old']:
- while True:
- try:
- docs_with_score_chroma = db.similarity_search_with_score(query, k=k_db, **filter_kwargs)
- break
- except (RuntimeError, AttributeError) as e:
- # AttributeError is for people with wrong version of langchain
- if verbose:
- print("chroma bug: %s" % str(e), flush=True)
- if k_db == 1:
- raise
- if k_db > 500:
- k_db -= 200
- elif k_db > 100:
- k_db -= 50
- elif k_db > 10:
- k_db -= 5
- else:
- k_db -= 1
- k_db = max(1, k_db)
- got_db_docs |= len(docs_with_score_chroma) > 0
- docs_with_score += docs_with_score_chroma
- elif db is not None:
- docs_with_score_other = db.similarity_search_with_score(query, k=k_db, **filter_kwargs)
- got_db_docs |= len(docs_with_score_other) > 0
- docs_with_score += docs_with_score_other
-
- # set in metadata original order of docs
- [x[0].metadata.update(orig_index=ii) for ii, x in enumerate(docs_with_score)]
-
- return docs_with_score, got_db_docs
-
-
-def get_chain(query=None,
- iinput=None,
- context=None, # FIXME: https://github.com/hwchase17/langchain/issues/6638
- use_openai_model=False, use_openai_embedding=False,
- first_para=False, text_limit=None, top_k_docs=4, chunk=True, chunk_size=512,
-
- # urls
- use_unstructured=True,
- use_playwright=False,
- use_selenium=False,
-
- # pdfs
- use_pymupdf='auto',
- use_unstructured_pdf='auto',
- use_pypdf='auto',
- enable_pdf_ocr='auto',
- enable_pdf_doctr='auto',
- try_pdf_as_html='auto',
-
- # images
- enable_ocr=False,
- enable_doctr=False,
- enable_pix2struct=False,
- enable_captions=True,
- captions_model=None,
- caption_loader=None,
- doctr_loader=None,
- pix2struct_loader=None,
-
- # json
- jq_schema='.[]',
-
- langchain_mode_paths=None,
- langchain_mode_types=None,
- detect_user_path_changes_every_query=False,
- db_type='faiss',
- model_name=None,
- inference_server='',
- max_new_tokens=None,
- langchain_only_model=False,
- hf_embedding_model=None,
- migrate_embedding_model=False,
- auto_migrate_db=False,
- prompter=None,
- prompt_type=None,
- prompt_dict=None,
- system_prompt=None,
- cut_distance=1.1,
- add_chat_history_to_context=True, # FIXME: https://github.com/hwchase17/langchain/issues/6638
- add_search_to_context=False,
- keep_sources_in_context=False,
- memory_restriction_level=0,
- top_k_docs_max_show=10,
-
- load_db_if_exists=False,
- db=None,
- langchain_mode=None,
- langchain_action=None,
- langchain_agents=None,
- document_subset=DocumentSubset.Relevant.name,
- document_choice=[DocumentChoice.ALL.value],
- pre_prompt_query=None,
- prompt_query=None,
- pre_prompt_summary=None,
- prompt_summary=None,
- text_context_list=None,
- chat_conversation=None,
-
- n_jobs=-1,
- # beyond run_db_query:
- llm=None,
- tokenizer=None,
- verbose=False,
- docs_ordering_type='reverse_ucurve_sort',
- min_max_new_tokens=256,
- stream_output=True,
- async_output=True,
-
- # local
- auto_reduce_chunks=True,
- max_chunks=100,
- total_tokens_for_docs=None,
- use_llm_if_no_docs=None,
- headsize=50,
- ):
- if inference_server is None:
- inference_server = ''
- assert hf_embedding_model is not None
- assert langchain_agents is not None # should be at least []
- if text_context_list is None:
- text_context_list = []
-
- # default value:
- llm_mode = langchain_mode in ['Disabled', 'LLM'] and len(text_context_list) == 0
- query_action = langchain_action == LangChainAction.QUERY.value
- summarize_action = langchain_action in [LangChainAction.SUMMARIZE_MAP.value,
- LangChainAction.SUMMARIZE_ALL.value,
- LangChainAction.SUMMARIZE_REFINE.value]
-
- if len(text_context_list) > 0:
- # turn into documents to make easy to manage and add meta
- # try to account for summarization vs. query
- chunk_id = 0 if query_action else -1
- text_context_list = [
- Document(page_content=x, metadata=dict(source='text_context_list', score=1.0, chunk_id=chunk_id)) for x
- in text_context_list]
-
- if add_search_to_context:
- params = {
- "engine": "duckduckgo",
- "gl": "us",
- "hl": "en",
- }
- search = H2OSerpAPIWrapper(params=params)
- # if doing search, allow more docs
- docs_search, top_k_docs = search.get_search_documents(query,
- query_action=query_action,
- chunk=chunk, chunk_size=chunk_size,
- db_type=db_type,
- headsize=headsize,
- top_k_docs=top_k_docs)
- text_context_list = docs_search + text_context_list
- add_search_to_context &= len(docs_search) > 0
- top_k_docs_max_show = max(top_k_docs_max_show, len(docs_search))
-
- if len(text_context_list) > 0:
- llm_mode = False
- use_llm_if_no_docs = True
-
- from src.output_parser import H2OMRKLOutputParser
- from langchain.agents import AgentType, load_tools, initialize_agent, create_vectorstore_agent, \
- create_pandas_dataframe_agent, create_json_agent, create_csv_agent
- from langchain.agents.agent_toolkits import VectorStoreInfo, VectorStoreToolkit, create_python_agent, JsonToolkit
- if LangChainAgent.SEARCH.value in langchain_agents:
- output_parser = H2OMRKLOutputParser()
- tools = load_tools(["serpapi"], llm=llm, serpapi_api_key=os.environ.get('SERPAPI_API_KEY'))
- if inference_server.startswith('openai'):
- agent_type = AgentType.OPENAI_FUNCTIONS
- agent_executor_kwargs = {"handle_parsing_errors": True, 'output_parser': output_parser}
- else:
- agent_type = AgentType.ZERO_SHOT_REACT_DESCRIPTION
- agent_executor_kwargs = {'output_parser': output_parser}
- chain = initialize_agent(tools, llm, agent=agent_type,
- agent_executor_kwargs=agent_executor_kwargs,
- agent_kwargs=dict(output_parser=output_parser,
- format_instructions=output_parser.get_format_instructions()),
- output_parser=output_parser,
- max_iterations=10,
- verbose=True)
- chain_kwargs = dict(input=query)
- target = wrapped_partial(chain, chain_kwargs)
-
- docs = []
- scores = []
- use_docs_planned = False
- num_docs_before_cut = 0
- use_llm_if_no_docs = True
- return docs, target, scores, use_docs_planned, num_docs_before_cut, use_llm_if_no_docs, llm_mode, top_k_docs_max_show
-
- if LangChainAgent.COLLECTION.value in langchain_agents:
- output_parser = H2OMRKLOutputParser()
- vectorstore_info = VectorStoreInfo(
- name=langchain_mode,
- description="DataBase of text from PDFs, Image Captions, or web URL content",
- vectorstore=db,
- )
- toolkit = VectorStoreToolkit(vectorstore_info=vectorstore_info)
- chain = create_vectorstore_agent(llm=llm, toolkit=toolkit,
- agent_executor_kwargs=dict(output_parser=output_parser),
- verbose=True)
-
- chain_kwargs = dict(input=query)
- target = wrapped_partial(chain, chain_kwargs)
-
- docs = []
- scores = []
- use_docs_planned = False
- num_docs_before_cut = 0
- use_llm_if_no_docs = True
- return docs, target, scores, use_docs_planned, num_docs_before_cut, use_llm_if_no_docs, llm_mode, top_k_docs_max_show
-
- if LangChainAgent.PYTHON.value in langchain_agents and inference_server.startswith('openai'):
- chain = create_python_agent(
- llm=llm,
- tool=PythonREPLTool(),
- verbose=True,
- agent_type=AgentType.OPENAI_FUNCTIONS,
- agent_executor_kwargs={"handle_parsing_errors": True},
- )
-
- chain_kwargs = dict(input=query)
- target = wrapped_partial(chain, chain_kwargs)
-
- docs = []
- scores = []
- use_docs_planned = False
- num_docs_before_cut = 0
- use_llm_if_no_docs = True
- return docs, target, scores, use_docs_planned, num_docs_before_cut, use_llm_if_no_docs, llm_mode, top_k_docs_max_show
-
- if LangChainAgent.PANDAS.value in langchain_agents and inference_server.startswith('openai_chat'):
- # FIXME: DATA
- df = pd.DataFrame(None)
- chain = create_pandas_dataframe_agent(
- llm,
- df,
- verbose=True,
- agent_type=AgentType.OPENAI_FUNCTIONS,
- )
-
- chain_kwargs = dict(input=query)
- target = wrapped_partial(chain, chain_kwargs)
-
- docs = []
- scores = []
- use_docs_planned = False
- num_docs_before_cut = 0
- use_llm_if_no_docs = True
- return docs, target, scores, use_docs_planned, num_docs_before_cut, use_llm_if_no_docs, llm_mode, top_k_docs_max_show
-
- if isinstance(document_choice, str):
- document_choice = [document_choice]
- if document_choice and document_choice[0] == DocumentChoice.ALL.value:
- document_choice_agent = document_choice[1:]
- else:
- document_choice_agent = document_choice
- document_choice_agent = [x for x in document_choice_agent if x.endswith('.json')]
- if LangChainAgent.JSON.value in \
- langchain_agents and \
- inference_server.startswith('openai_chat') and \
- len(document_choice_agent) == 1 and \
- document_choice_agent[0].endswith('.json'):
- # with open('src/openai.yaml') as f:
- # data = yaml.load(f, Loader=yaml.FullLoader)
- with open(document_choice[0], 'rt') as f:
- data = json.loads(f.read())
- json_spec = JsonSpec(dict_=data, max_value_length=4000)
- json_toolkit = JsonToolkit(spec=json_spec)
-
- chain = create_json_agent(
- llm=llm, toolkit=json_toolkit, verbose=True
- )
-
- chain_kwargs = dict(input=query)
- target = wrapped_partial(chain, chain_kwargs)
-
- docs = []
- scores = []
- use_docs_planned = False
- num_docs_before_cut = 0
- use_llm_if_no_docs = True
- return docs, target, scores, use_docs_planned, num_docs_before_cut, use_llm_if_no_docs, llm_mode, top_k_docs_max_show
-
- if isinstance(document_choice, str):
- document_choice = [document_choice]
- if document_choice and document_choice[0] == DocumentChoice.ALL.value:
- document_choice_agent = document_choice[1:]
- else:
- document_choice_agent = document_choice
- document_choice_agent = [x for x in document_choice_agent if x.endswith('.csv')]
- if LangChainAgent.CSV.value in langchain_agents and len(document_choice_agent) == 1 and document_choice_agent[
- 0].endswith(
- '.csv'):
- data_file = document_choice[0]
- if inference_server.startswith('openai_chat'):
- chain = create_csv_agent(
- llm,
- data_file,
- verbose=True,
- agent_type=AgentType.OPENAI_FUNCTIONS,
- )
- else:
- chain = create_csv_agent(
- llm,
- data_file,
- verbose=True,
- agent_type=AgentType.ZERO_SHOT_REACT_DESCRIPTION,
- )
- chain_kwargs = dict(input=query)
- target = wrapped_partial(chain, chain_kwargs)
-
- docs = []
- scores = []
- use_docs_planned = False
- num_docs_before_cut = 0
- use_llm_if_no_docs = True
- return docs, target, scores, use_docs_planned, num_docs_before_cut, use_llm_if_no_docs, llm_mode, top_k_docs_max_show
-
- # determine whether use of context out of docs is planned
- if not use_openai_model and prompt_type not in ['plain'] or langchain_only_model:
- if llm_mode:
- use_docs_planned = False
- else:
- use_docs_planned = True
- else:
- use_docs_planned = True
-
- # https://github.com/hwchase17/langchain/issues/1946
- # FIXME: Seems to way to get size of chroma db to limit top_k_docs to avoid
- # Chroma collection MyData contains fewer than 4 elements.
- # type logger error
- if top_k_docs == -1:
- k_db = 1000 if db_type in ['chroma', 'chroma_old'] else 100
- else:
- # top_k_docs=100 works ok too
- k_db = 1000 if db_type in ['chroma', 'chroma_old'] else top_k_docs
-
- # FIXME: For All just go over all dbs instead of a separate db for All
- if not detect_user_path_changes_every_query and db is not None:
- # avoid looking at user_path during similarity search db handling,
- # if already have db and not updating from user_path every query
- # but if db is None, no db yet loaded (e.g. from prep), so allow user_path to be whatever it was
- if langchain_mode_paths is None:
- langchain_mode_paths = {}
- langchain_mode_paths = langchain_mode_paths.copy()
- langchain_mode_paths[langchain_mode] = None
- # once use_openai_embedding, hf_embedding_model passed in, possibly changed,
- # but that's ok as not used below or in calling functions
- db, num_new_sources, new_sources_metadata = make_db(use_openai_embedding=use_openai_embedding,
- hf_embedding_model=hf_embedding_model,
- migrate_embedding_model=migrate_embedding_model,
- auto_migrate_db=auto_migrate_db,
- first_para=first_para, text_limit=text_limit,
- chunk=chunk, chunk_size=chunk_size,
-
- # urls
- use_unstructured=use_unstructured,
- use_playwright=use_playwright,
- use_selenium=use_selenium,
-
- # pdfs
- use_pymupdf=use_pymupdf,
- use_unstructured_pdf=use_unstructured_pdf,
- use_pypdf=use_pypdf,
- enable_pdf_ocr=enable_pdf_ocr,
- enable_pdf_doctr=enable_pdf_doctr,
- try_pdf_as_html=try_pdf_as_html,
-
- # images
- enable_ocr=enable_ocr,
- enable_doctr=enable_doctr,
- enable_pix2struct=enable_pix2struct,
- enable_captions=enable_captions,
- captions_model=captions_model,
- caption_loader=caption_loader,
- doctr_loader=doctr_loader,
- pix2struct_loader=pix2struct_loader,
-
- # json
- jq_schema=jq_schema,
-
- langchain_mode=langchain_mode,
- langchain_mode_paths=langchain_mode_paths,
- langchain_mode_types=langchain_mode_types,
- db_type=db_type,
- load_db_if_exists=load_db_if_exists,
- db=db,
- n_jobs=n_jobs,
- verbose=verbose)
- num_docs_before_cut = 0
- use_template = not use_openai_model and prompt_type not in ['plain'] or langchain_only_model
- got_db_docs = False # not yet at least
- template, template_if_no_docs, auto_reduce_chunks, query = \
- get_template(query, iinput,
- pre_prompt_query, prompt_query,
- pre_prompt_summary, prompt_summary,
- langchain_action,
- llm_mode,
- use_docs_planned,
- auto_reduce_chunks,
- got_db_docs,
- add_search_to_context)
-
- max_input_tokens = get_max_input_tokens(llm=llm, tokenizer=tokenizer, inference_server=inference_server,
- model_name=model_name, max_new_tokens=max_new_tokens)
-
- if (db or text_context_list) and use_docs_planned:
- if hasattr(db, '_persist_directory'):
- lock_file = get_db_lock_file(db, lock_type='sim')
- else:
- base_path = 'locks'
- base_path = makedirs(base_path, exist_ok=True, tmp_ok=True, use_base=True)
- name_path = "sim.lock"
- lock_file = os.path.join(base_path, name_path)
-
- if not (isinstance(db, Chroma) or isinstance(db, ChromaMig) or ChromaMig.__name__ in str(db)):
- # only chroma supports filtering
- filter_kwargs = {}
- filter_kwargs_backup = {}
- else:
- import logging
- logging.getLogger("chromadb").setLevel(logging.ERROR)
- assert document_choice is not None, "Document choice was None"
- if isinstance(db, Chroma):
- filter_kwargs_backup = {} # shouldn't ever need backup
- # chroma >= 0.4
- if len(document_choice) == 0 or len(document_choice) >= 1 and document_choice[
- 0] == DocumentChoice.ALL.value:
- filter_kwargs = {"filter": {"chunk_id": {"$gte": 0}}} if query_action else \
- {"filter": {"chunk_id": {"$eq": -1}}}
- else:
- if document_choice[0] == DocumentChoice.ALL.value:
- document_choice = document_choice[1:]
- if len(document_choice) == 0:
- filter_kwargs = {}
- elif len(document_choice) > 1:
- or_filter = [
- {"$and": [dict(source={"$eq": x}), dict(chunk_id={"$gte": 0})]} if query_action else {
- "$and": [dict(source={"$eq": x}), dict(chunk_id={"$eq": -1})]}
- for x in document_choice]
- filter_kwargs = dict(filter={"$or": or_filter})
- else:
- # still chromadb UX bug, have to do different thing for 1 vs. 2+ docs when doing filter
- one_filter = \
- [{"source": {"$eq": x}, "chunk_id": {"$gte": 0}} if query_action else {
- "source": {"$eq": x},
- "chunk_id": {
- "$eq": -1}}
- for x in document_choice][0]
-
- filter_kwargs = dict(filter={"$and": [dict(source=one_filter['source']),
- dict(chunk_id=one_filter['chunk_id'])]})
- else:
- # migration for chroma < 0.4
- if len(document_choice) == 0 or len(document_choice) >= 1 and document_choice[
- 0] == DocumentChoice.ALL.value:
- filter_kwargs = {"filter": {"chunk_id": {"$gte": 0}}} if query_action else \
- {"filter": {"chunk_id": {"$eq": -1}}}
- filter_kwargs_backup = {"filter": {"chunk_id": {"$gte": 0}}}
- elif len(document_choice) >= 2:
- if document_choice[0] == DocumentChoice.ALL.value:
- document_choice = document_choice[1:]
- or_filter = [
- {"source": {"$eq": x}, "chunk_id": {"$gte": 0}} if query_action else {"source": {"$eq": x},
- "chunk_id": {
- "$eq": -1}}
- for x in document_choice]
- filter_kwargs = dict(filter={"$or": or_filter})
- or_filter_backup = [
- {"source": {"$eq": x}} if query_action else {"source": {"$eq": x}}
- for x in document_choice]
- filter_kwargs_backup = dict(filter={"$or": or_filter_backup})
- elif len(document_choice) == 1:
- # degenerate UX bug in chroma
- one_filter = \
- [{"source": {"$eq": x}, "chunk_id": {"$gte": 0}} if query_action else {"source": {"$eq": x},
- "chunk_id": {
- "$eq": -1}}
- for x in document_choice][0]
- filter_kwargs = dict(filter=one_filter)
- one_filter_backup = \
- [{"source": {"$eq": x}} if query_action else {"source": {"$eq": x}}
- for x in document_choice][0]
- filter_kwargs_backup = dict(filter=one_filter_backup)
- else:
- # shouldn't reach
- filter_kwargs = {}
- filter_kwargs_backup = {}
-
- if llm_mode:
- docs = []
- scores = []
- elif document_subset == DocumentSubset.TopKSources.name or query in [None, '', '\n']:
- db_documents, db_metadatas = get_docs_and_meta(db, top_k_docs, filter_kwargs=filter_kwargs,
- text_context_list=text_context_list)
- if len(db_documents) == 0 and filter_kwargs_backup:
- db_documents, db_metadatas = get_docs_and_meta(db, top_k_docs, filter_kwargs=filter_kwargs_backup,
- text_context_list=text_context_list)
-
- if top_k_docs == -1:
- top_k_docs = len(db_documents)
- # similar to langchain's chroma's _results_to_docs_and_scores
- docs_with_score = [(Document(page_content=result[0], metadata=result[1] or {}), 0)
- for result in zip(db_documents, db_metadatas)]
- # set in metadata original order of docs
- [x[0].metadata.update(orig_index=ii) for ii, x in enumerate(docs_with_score)]
-
- # order documents
- doc_hashes = [x.get('doc_hash', 'None') for x in db_metadatas]
- if query_action:
- doc_chunk_ids = [x.get('chunk_id', 0) for x in db_metadatas]
- docs_with_score2 = [x for hx, cx, x in
- sorted(zip(doc_hashes, doc_chunk_ids, docs_with_score), key=lambda x: (x[0], x[1]))
- if cx >= 0]
- else:
- assert summarize_action
- doc_chunk_ids = [x.get('chunk_id', -1) for x in db_metadatas]
- docs_with_score2 = [x for hx, cx, x in
- sorted(zip(doc_hashes, doc_chunk_ids, docs_with_score), key=lambda x: (x[0], x[1]))
- if cx == -1
- ]
- if len(docs_with_score2) == 0 and len(docs_with_score) > 0:
- # old database without chunk_id, migration added 0 but didn't make -1 as that would be expensive
- # just do again and relax filter, let summarize operate on actual chunks if nothing else
- docs_with_score2 = [x for hx, cx, x in
- sorted(zip(doc_hashes, doc_chunk_ids, docs_with_score),
- key=lambda x: (x[0], x[1]))
- ]
- docs_with_score = docs_with_score2
-
- docs_with_score = docs_with_score[:top_k_docs]
- docs = [x[0] for x in docs_with_score]
- scores = [x[1] for x in docs_with_score]
- num_docs_before_cut = len(docs)
- else:
- with filelock.FileLock(lock_file):
- docs_with_score, got_db_docs = get_docs_with_score(query, k_db, filter_kwargs, db, db_type,
- text_context_list=text_context_list,
- verbose=verbose)
- if len(docs_with_score) == 0 and filter_kwargs_backup:
- docs_with_score, got_db_docs = get_docs_with_score(query, k_db, filter_kwargs_backup, db,
- db_type,
- text_context_list=text_context_list,
- verbose=verbose)
-
- tokenizer = get_tokenizer(db=db, llm=llm, tokenizer=tokenizer, inference_server=inference_server,
- use_openai_model=use_openai_model,
- db_type=db_type)
- # NOTE: if map_reduce, then no need to auto reduce chunks
- if query_action and (top_k_docs == -1 or auto_reduce_chunks):
- top_k_docs_tokenize = 100
- docs_with_score = docs_with_score[:top_k_docs_tokenize]
-
- prompt_no_docs = template.format(context='', question=query)
-
- model_max_length = tokenizer.model_max_length
- chat = True # FIXME?
-
- # first docs_with_score are most important with highest score
- full_prompt, \
- instruction, iinput, context, \
- num_prompt_tokens, max_new_tokens, \
- num_prompt_tokens0, num_prompt_tokens_actual, \
- chat_index, top_k_docs_trial, one_doc_size = \
- get_limited_prompt(prompt_no_docs,
- iinput,
- tokenizer,
- prompter=prompter,
- inference_server=inference_server,
- prompt_type=prompt_type,
- prompt_dict=prompt_dict,
- chat=chat,
- max_new_tokens=max_new_tokens,
- system_prompt=system_prompt,
- context=context,
- chat_conversation=chat_conversation,
- text_context_list=[x[0].page_content for x in docs_with_score],
- keep_sources_in_context=keep_sources_in_context,
- model_max_length=model_max_length,
- memory_restriction_level=memory_restriction_level,
- langchain_mode=langchain_mode,
- add_chat_history_to_context=add_chat_history_to_context,
- min_max_new_tokens=min_max_new_tokens,
- )
- # avoid craziness
- if 0 < top_k_docs_trial < max_chunks:
- # avoid craziness
- if top_k_docs == -1:
- top_k_docs = top_k_docs_trial
- else:
- top_k_docs = min(top_k_docs, top_k_docs_trial)
- elif top_k_docs_trial >= max_chunks:
- top_k_docs = max_chunks
- if top_k_docs > 0:
- docs_with_score = docs_with_score[:top_k_docs]
- elif one_doc_size is not None:
- docs_with_score = [docs_with_score[0][:one_doc_size]]
- else:
- docs_with_score = []
- else:
- if total_tokens_for_docs is not None:
- # used to limit tokens for summarization, e.g. public instance
- top_k_docs, one_doc_size, num_doc_tokens = \
- get_docs_tokens(tokenizer,
- text_context_list=[x[0].page_content for x in docs_with_score],
- max_input_tokens=total_tokens_for_docs)
-
- docs_with_score = docs_with_score[:top_k_docs]
-
- # put most relevant chunks closest to question,
- # esp. if truncation occurs will be "oldest" or "farthest from response" text that is truncated
- # BUT: for small models, e.g. 6_9 pythia, if sees some stuff related to h2oGPT first, it can connect that and not listen to rest
- if docs_ordering_type in ['best_first']:
- pass
- elif docs_ordering_type in ['best_near_prompt', 'reverse_sort']:
- docs_with_score.reverse()
- elif docs_ordering_type in ['', None, 'reverse_ucurve_sort']:
- docs_with_score = reverse_ucurve_list(docs_with_score)
- else:
- raise ValueError("No such docs_ordering_type=%s" % docs_ordering_type)
-
- # cut off so no high distance docs/sources considered
- num_docs_before_cut = len(docs_with_score)
- docs = [x[0] for x in docs_with_score if x[1] < cut_distance]
- scores = [x[1] for x in docs_with_score if x[1] < cut_distance]
- if len(scores) > 0 and verbose:
- print("Distance: min: %s max: %s mean: %s median: %s" %
- (scores[0], scores[-1], np.mean(scores), np.median(scores)), flush=True)
- else:
- docs = []
- scores = []
-
- if not docs and use_docs_planned and not langchain_only_model:
- # if HF type and have no docs, can bail out
- return docs, None, [], False, num_docs_before_cut, use_llm_if_no_docs, llm_mode, top_k_docs_max_show
-
- if document_subset in non_query_commands:
- # no LLM use
- return docs, None, [], False, num_docs_before_cut, use_llm_if_no_docs, llm_mode, top_k_docs_max_show
-
- # FIXME: WIP
- common_words_file = "data/NGSL_1.2_stats.csv.zip"
- if False and os.path.isfile(common_words_file) and langchain_action == LangChainAction.QUERY.value:
- df = pd.read_csv("data/NGSL_1.2_stats.csv.zip")
- import string
- reduced_query = query.translate(str.maketrans(string.punctuation, ' ' * len(string.punctuation))).strip()
- reduced_query_words = reduced_query.split(' ')
- set_common = set(df['Lemma'].values.tolist())
- num_common = len([x.lower() in set_common for x in reduced_query_words])
- frac_common = num_common / len(reduced_query) if reduced_query else 0
- # FIXME: report to user bad query that uses too many common words
- if verbose:
- print("frac_common: %s" % frac_common, flush=True)
-
- if len(docs) == 0:
- # avoid context == in prompt then
- use_docs_planned = False
- template = template_if_no_docs
-
- got_db_docs = got_db_docs and len(text_context_list) < len(docs)
- # update template in case situation changed or did get docs
- # then no new documents from database or not used, redo template
- # got template earlier as estimate of template token size, here is final used version
- template, template_if_no_docs, auto_reduce_chunks, query = \
- get_template(query, iinput,
- pre_prompt_query, prompt_query,
- pre_prompt_summary, prompt_summary,
- langchain_action,
- llm_mode,
- use_docs_planned,
- auto_reduce_chunks,
- got_db_docs,
- add_search_to_context)
-
- if langchain_action == LangChainAction.QUERY.value:
- if use_template:
- # instruct-like, rather than few-shot prompt_type='plain' as default
- # but then sources confuse the model with how inserted among rest of text, so avoid
- prompt = PromptTemplate(
- # input_variables=["summaries", "question"],
- input_variables=["context", "question"],
- template=template,
- )
- chain = load_qa_chain(llm, prompt=prompt, verbose=verbose)
- else:
- # only if use_openai_model = True, unused normally except in testing
- chain = load_qa_with_sources_chain(llm)
- if not use_docs_planned:
- chain_kwargs = dict(input_documents=[], question=query)
- else:
- chain_kwargs = dict(input_documents=docs, question=query)
- target = wrapped_partial(chain, chain_kwargs)
- elif langchain_action in [LangChainAction.SUMMARIZE_MAP.value,
- LangChainAction.SUMMARIZE_REFINE,
- LangChainAction.SUMMARIZE_ALL.value]:
- if async_output:
- return_intermediate_steps = False
- else:
- return_intermediate_steps = True
- from langchain.chains.summarize import load_summarize_chain
- if langchain_action == LangChainAction.SUMMARIZE_MAP.value:
- prompt = PromptTemplate(input_variables=["text"], template=template)
- chain = load_summarize_chain(llm, chain_type="map_reduce",
- map_prompt=prompt, combine_prompt=prompt,
- return_intermediate_steps=return_intermediate_steps,
- token_max=max_input_tokens, verbose=verbose)
- if async_output:
- chain_func = chain.arun
- else:
- chain_func = chain
- target = wrapped_partial(chain_func, {"input_documents": docs}) # , return_only_outputs=True)
- elif langchain_action == LangChainAction.SUMMARIZE_ALL.value:
- assert use_template
- prompt = PromptTemplate(input_variables=["text"], template=template)
- chain = load_summarize_chain(llm, chain_type="stuff", prompt=prompt,
- return_intermediate_steps=return_intermediate_steps, verbose=verbose)
- if async_output:
- chain_func = chain.arun
- else:
- chain_func = chain
- target = wrapped_partial(chain_func)
- elif langchain_action == LangChainAction.SUMMARIZE_REFINE.value:
- chain = load_summarize_chain(llm, chain_type="refine",
- return_intermediate_steps=return_intermediate_steps, verbose=verbose)
- if async_output:
- chain_func = chain.arun
- else:
- chain_func = chain
- target = wrapped_partial(chain_func)
- else:
- raise RuntimeError("No such langchain_action=%s" % langchain_action)
- else:
- raise RuntimeError("No such langchain_action=%s" % langchain_action)
-
- return docs, target, scores, use_docs_planned, num_docs_before_cut, use_llm_if_no_docs, llm_mode, top_k_docs_max_show
-
-
-def get_max_model_length(llm=None, tokenizer=None, inference_server=None, model_name=None):
- if hasattr(tokenizer, 'model_max_length'):
- return tokenizer.model_max_length
- elif inference_server in ['openai', 'openai_azure']:
- return llm.modelname_to_contextsize(model_name)
- elif inference_server in ['openai_chat', 'openai_azure_chat']:
- return model_token_mapping[model_name]
- elif isinstance(tokenizer, FakeTokenizer):
- # GGML
- return tokenizer.model_max_length
- else:
- return 2048
-
-
-def get_max_input_tokens(llm=None, tokenizer=None, inference_server=None, model_name=None, max_new_tokens=None):
- model_max_length = get_max_model_length(llm=llm, tokenizer=tokenizer, inference_server=inference_server,
- model_name=model_name)
-
- if any([inference_server.startswith(x) for x in
- ['openai', 'openai_azure', 'openai_chat', 'openai_azure_chat', 'vllm']]):
- # openai can't handle tokens + max_new_tokens > max_tokens even if never generate those tokens
- # and vllm uses OpenAI API with same limits
- max_input_tokens = model_max_length - max_new_tokens
- elif isinstance(tokenizer, FakeTokenizer):
- # don't trust that fake tokenizer (e.g. GGML) will make lots of tokens normally, allow more input
- max_input_tokens = model_max_length - min(256, max_new_tokens)
- else:
- if 'falcon' in model_name or inference_server.startswith('http'):
- # allow for more input for falcon, assume won't make as long outputs as default max_new_tokens
- # Also allow if TGI or Gradio, because we tell it input may be same as output, even if model can't actually handle
- max_input_tokens = model_max_length - min(256, max_new_tokens)
- else:
- # trust that maybe model will make so many tokens, so limit input
- max_input_tokens = model_max_length - max_new_tokens
-
- return max_input_tokens
-
-
-def get_tokenizer(db=None, llm=None, tokenizer=None, inference_server=None, use_openai_model=False,
- db_type='chroma'):
- if hasattr(llm, 'pipeline') and hasattr(llm.pipeline, 'tokenizer'):
- # more accurate
- return llm.pipeline.tokenizer
- elif hasattr(llm, 'tokenizer'):
- # e.g. TGI client mode etc.
- return llm.tokenizer
- elif inference_server in ['openai', 'openai_chat', 'openai_azure',
- 'openai_azure_chat']:
- return tokenizer
- elif isinstance(tokenizer, FakeTokenizer):
- return tokenizer
- elif use_openai_model:
- return FakeTokenizer()
- elif (hasattr(db, '_embedding_function') and
- hasattr(db._embedding_function, 'client') and
- hasattr(db._embedding_function.client, 'tokenize')):
- # in case model is not our pipeline with HF tokenizer
- return db._embedding_function.client.tokenize
- else:
- # backup method
- if os.getenv('HARD_ASSERTS'):
- assert db_type in ['faiss', 'weaviate']
- # use tiktoken for faiss since embedding called differently
- return FakeTokenizer()
-
-
-def get_template(query, iinput,
- pre_prompt_query, prompt_query,
- pre_prompt_summary, prompt_summary,
- langchain_action,
- llm_mode,
- use_docs_planned,
- auto_reduce_chunks,
- got_db_docs,
- add_search_to_context):
- if got_db_docs and add_search_to_context:
- # modify prompts, assumes patterns like in predefined prompts. If user customizes, then they'd need to account for that.
- prompt_query = prompt_query.replace('information in the document sources',
- 'information in the document and web search sources (and their source dates and website source)')
- prompt_summary = prompt_summary.replace('information in the document sources',
- 'information in the document and web search sources (and their source dates and website source)')
- elif got_db_docs and not add_search_to_context:
- pass
- elif not got_db_docs and add_search_to_context:
- # modify prompts, assumes patterns like in predefined prompts. If user customizes, then they'd need to account for that.
- prompt_query = prompt_query.replace('information in the document sources',
- 'information in the web search sources (and their source dates and website source)')
- prompt_summary = prompt_summary.replace('information in the document sources',
- 'information in the web search sources (and their source dates and website source)')
-
- if langchain_action == LangChainAction.QUERY.value:
- if iinput:
- query = "%s\n%s" % (query, iinput)
- if llm_mode or not use_docs_planned:
- template_if_no_docs = template = """{context}{question}"""
- else:
- template = """%s
-\"\"\"
-{context}
-\"\"\"
-%s{question}""" % (pre_prompt_query, prompt_query)
- template_if_no_docs = """{context}{question}"""
- elif langchain_action in [LangChainAction.SUMMARIZE_ALL.value, LangChainAction.SUMMARIZE_MAP.value]:
- none = ['', '\n', None]
-
- # modify prompt_summary if user passes query or iinput
- if query not in none and iinput not in none:
- prompt_summary = "Focusing on %s, %s, %s" % (query, iinput, prompt_summary)
- elif query not in none:
- prompt_summary = "Focusing on %s, %s" % (query, prompt_summary)
- # don't auto reduce
- auto_reduce_chunks = False
- if langchain_action == LangChainAction.SUMMARIZE_MAP.value:
- fstring = '{text}'
- else:
- fstring = '{input_documents}'
- template = """%s:
-\"\"\"
-%s
-\"\"\"\n%s""" % (pre_prompt_summary, fstring, prompt_summary)
- template_if_no_docs = "Exactly only say: There are no documents to summarize."
- elif langchain_action in [LangChainAction.SUMMARIZE_REFINE]:
- template = '' # unused
- template_if_no_docs = '' # unused
- else:
- raise RuntimeError("No such langchain_action=%s" % langchain_action)
-
- return template, template_if_no_docs, auto_reduce_chunks, query
-
-
-def get_sources_answer(query, docs, answer, scores, show_rank,
- answer_with_sources, append_sources_to_answer,
- show_accordions=True,
- show_link_in_sources=True,
- top_k_docs_max_show=10,
- docs_ordering_type='reverse_ucurve_sort',
- num_docs_before_cut=0,
- verbose=False,
- t_run=None,
- count_input_tokens=None, count_output_tokens=None):
- if verbose:
- print("query: %s" % query, flush=True)
- print("answer: %s" % answer, flush=True)
-
- if len(docs) == 0:
- extra = ''
- ret = answer + extra
- return ret, extra
-
- if answer_with_sources == -1:
- extra = [dict(score=score, content=get_doc(x), source=get_source(x), orig_index=x.metadata.get('orig_index', 0))
- for score, x in zip(scores, docs)][
- :top_k_docs_max_show]
- if append_sources_to_answer:
- extra_str = [str(x) for x in extra]
- ret = answer + '\n\n' + '\n'.join(extra_str)
- else:
- ret = answer
- return ret, extra
-
- # link
- answer_sources = [(max(0.0, 1.5 - score) / 1.5,
- get_url(doc, font_size=font_size),
- get_accordion(doc, font_size=font_size, head_acc=head_acc)) for score, doc in
- zip(scores, docs)]
- if not show_accordions:
- answer_sources_dict = defaultdict(list)
- [answer_sources_dict[url].append(score) for score, url in answer_sources]
- answers_dict = {}
- for url, scores_url in answer_sources_dict.items():
- answers_dict[url] = np.max(scores_url)
- answer_sources = [(score, url) for url, score in answers_dict.items()]
- answer_sources.sort(key=lambda x: x[0], reverse=True)
- if show_rank:
- # answer_sources = ['%d | %s' % (1 + rank, url) for rank, (score, url) in enumerate(answer_sources)]
- # sorted_sources_urls = "Sources [Rank | Link]:<br>" + "<br>".join(answer_sources)
- answer_sources = ['%s' % url for rank, (score, url) in enumerate(answer_sources)]
- answer_sources = answer_sources[:top_k_docs_max_show]
- sorted_sources_urls = "Ranked Sources:<br>" + "<br>".join(answer_sources)
- else:
- if show_accordions:
- if show_link_in_sources:
- answer_sources = ['<font size="%s"><li>%.2g | %s</li>%s</font>' % (font_size, score, url, accordion)
- for score, url, accordion in answer_sources]
- else:
- answer_sources = ['<font size="%s"><li>%.2g</li>%s</font>' % (font_size, score, accordion)
- for score, url, accordion in answer_sources]
- else:
- if show_link_in_sources:
- answer_sources = ['<font size="%s"><li>%.2g | %s</li></font>' % (font_size, score, url)
- for score, url in answer_sources]
- else:
- answer_sources = ['<font size="%s"><li>%.2g</li></font>' % (font_size, score)
- for score, url in answer_sources]
- answer_sources = answer_sources[:top_k_docs_max_show]
- if show_accordions:
- sorted_sources_urls = f"<font size=\"{font_size}\">{source_prefix}<ul></font>" + "".join(answer_sources)
- else:
- sorted_sources_urls = f"<font size=\"{font_size}\">{source_prefix}<p><ul></font>" + "<p>".join(
- answer_sources)
- if verbose:
- if int(t_run):
- sorted_sources_urls += 'Total Time: %d [s]<p>' % t_run
- if count_input_tokens and count_output_tokens:
- sorted_sources_urls += 'Input Tokens: %s | Output Tokens: %d<p>' % (
- count_input_tokens, count_output_tokens)
- sorted_sources_urls += f"<font size=\"{font_size}\"></ul></p>{source_postfix}</font>"
- title_overall = "Sources"
- sorted_sources_urls = f"""<details><summary><font size="{font_size}">{title_overall}</font></summary><font size="{font_size}">{sorted_sources_urls}</font></details>"""
- if os.getenv("HARD_ASSERTS"):
- assert sorted_sources_urls.startswith(super_source_prefix)
- assert sorted_sources_urls.endswith(super_source_postfix)
-
- if not answer.endswith('\n'):
- answer += '\n'
-
- if answer_with_sources:
- extra = '\n' + sorted_sources_urls
- else:
- extra = ''
- if append_sources_to_answer:
- ret = answer + extra
- else:
- ret = answer
- return ret, extra
-
-
-def set_userid(db1s, requests_state1, get_userid_auth):
- db1 = db1s[LangChainMode.MY_DATA.value]
- assert db1 is not None and len(db1) == length_db1()
- if not db1[1]:
- db1[1] = get_userid_auth(requests_state1)
- if not db1[2]:
- username1 = None
- if 'username' in requests_state1:
- username1 = requests_state1['username']
- db1[2] = username1
-
-
-def set_userid_direct(db1s, userid, username):
- db1 = db1s[LangChainMode.MY_DATA.value]
- db1[1] = userid
- db1[2] = username
-
-
-def get_userid_direct(db1s):
- return db1s[LangChainMode.MY_DATA.value][1] if db1s is not None else ''
-
-
-def get_username_direct(db1s):
- return db1s[LangChainMode.MY_DATA.value][2] if db1s is not None else ''
-
-
-def get_dbid(db1):
- return db1[1]
-
-
-def set_dbid(db1):
- # can only call this after function called so for specific user, not in gr.State() that occurs during app init
- assert db1 is not None and len(db1) == length_db1()
- if db1[1] is None:
- # uuid in db is used as user ID
- db1[1] = str(uuid.uuid4())
-
-
-def length_db1():
- # For MyData:
- # 0: db
- # 1: userid and dbid
- # 2: username
-
- # For others:
- # 0: db
- # 1: dbid
- # 2: None
- return 3
-
-
-def get_any_db(db1s, langchain_mode, langchain_mode_paths, langchain_mode_types,
- dbs=None,
- load_db_if_exists=None, db_type=None,
- use_openai_embedding=None,
- hf_embedding_model=None, migrate_embedding_model=None, auto_migrate_db=None,
- for_sources_list=False,
- verbose=False,
- n_jobs=-1,
- ):
- if langchain_mode in [LangChainMode.DISABLED.value, LangChainMode.LLM.value]:
- return None
- elif for_sources_list and langchain_mode in [LangChainMode.WIKI_FULL.value]:
- # NOTE: avoid showing full wiki. Takes about 30 seconds over about 90k entries, but not useful for now
- return None
- elif langchain_mode in db1s and len(db1s[langchain_mode]) > 1 and db1s[langchain_mode][0]:
- return db1s[langchain_mode][0]
- elif dbs is not None and langchain_mode in dbs and dbs[langchain_mode] is not None:
- return dbs[langchain_mode]
- else:
- db = None
-
- if db is None:
- langchain_type = langchain_mode_types.get(langchain_mode, LangChainTypes.EITHER.value)
- persist_directory, langchain_type = get_persist_directory(langchain_mode, db1s=db1s, dbs=dbs,
- langchain_type=langchain_type)
- langchain_mode_types[langchain_mode] = langchain_type
- # see if actually have on disk, don't try to switch embedding yet, since can't use return here
- migrate_embedding_model = False
- db, _, _ = \
- get_existing_db(db, persist_directory, load_db_if_exists, db_type,
- use_openai_embedding,
- langchain_mode, langchain_mode_paths, langchain_mode_types,
- hf_embedding_model, migrate_embedding_model, auto_migrate_db,
- verbose=verbose, n_jobs=n_jobs)
- if db is not None:
- # if found db, then stuff into state, so don't have to reload again that takes time
- if langchain_type == LangChainTypes.PERSONAL.value:
- assert isinstance(db1s, dict), "db1s wrong type: %s" % type(db1s)
- db1 = db1s[langchain_mode] = [db, None, None]
- assert len(db1) == length_db1(), "Bad setup: %s" % len(db1)
- set_dbid(db1)
- else:
- assert isinstance(dbs, dict), "dbs wrong type: %s" % type(dbs)
- dbs[langchain_mode] = db
-
- return db
-
-
-def get_sources(db1s, selection_docs_state1, requests_state1, langchain_mode,
- dbs=None, docs_state0=None,
- load_db_if_exists=None,
- db_type=None,
- use_openai_embedding=None,
- hf_embedding_model=None,
- migrate_embedding_model=None,
- auto_migrate_db=None,
- verbose=False,
- get_userid_auth=None,
- n_jobs=-1,
- ):
- for k in db1s:
- set_dbid(db1s[k])
- langchain_mode_paths = selection_docs_state1['langchain_mode_paths']
- langchain_mode_types = selection_docs_state1['langchain_mode_types']
- set_userid(db1s, requests_state1, get_userid_auth)
- db = get_any_db(db1s, langchain_mode, langchain_mode_paths, langchain_mode_types,
- dbs=dbs,
- load_db_if_exists=load_db_if_exists,
- db_type=db_type,
- use_openai_embedding=use_openai_embedding,
- hf_embedding_model=hf_embedding_model,
- migrate_embedding_model=migrate_embedding_model,
- auto_migrate_db=auto_migrate_db,
- for_sources_list=True,
- verbose=verbose,
- n_jobs=n_jobs,
- )
-
- if langchain_mode in ['LLM'] or db is None:
- source_files_added = "NA"
- source_list = []
- num_chunks = 0
- elif langchain_mode in ['wiki_full']:
- source_files_added = "Not showing wiki_full, takes about 20 seconds and makes 4MB file." \
- " Ask jon.mckinney@h2o.ai for file if required."
- source_list = []
- num_chunks = 0
- elif db is not None:
- metadatas = get_metadatas(db)
- source_list = sorted(set([x['source'] for x in metadatas]))
- source_files_added = '\n'.join(source_list)
- num_chunks = len(metadatas)
- else:
- source_list = []
- source_files_added = "None"
- num_chunks = 0
- sources_dir = "sources_dir"
- sources_dir = makedirs(sources_dir, exist_ok=True, tmp_ok=True, use_base=True)
- sources_file = os.path.join(sources_dir, 'sources_%s_%s' % (langchain_mode, str(uuid.uuid4())))
- with open(sources_file, "wt") as f:
- f.write(source_files_added)
- source_list = docs_state0 + source_list
- if DocumentChoice.ALL.value in source_list:
- source_list.remove(DocumentChoice.ALL.value)
- return sources_file, source_list, num_chunks, db
-
-
-def update_user_db(file, db1s, selection_docs_state1, requests_state1,
- langchain_mode=None,
- get_userid_auth=None,
- **kwargs):
- kwargs.update(selection_docs_state1)
- set_userid(db1s, requests_state1, get_userid_auth)
-
- if file is None:
- raise RuntimeError("Don't use change, use input")
-
- try:
- return _update_user_db(file, db1s=db1s,
- langchain_mode=langchain_mode,
- **kwargs)
- except BaseException as e:
- print(traceback.format_exc(), flush=True)
- # gradio has issues if except, so fail semi-gracefully, else would hang forever in processing textbox
- ex_str = "Exception: %s" % str(e)
- source_files_added = """\
- <html>
- <body>
- <p>
- Sources: <br>
- </p>
- <div style="overflow-y: auto;height:400px">
- {0}
- </div>
- </body>
- </html>
- """.format(ex_str)
- doc_exception_text = str(e)
- return None, langchain_mode, source_files_added, doc_exception_text, None
- finally:
- clear_torch_cache()
-
-
-def get_lock_file(db1, langchain_mode):
- db_id = get_dbid(db1)
- base_path = 'locks'
- base_path = makedirs(base_path, exist_ok=True, tmp_ok=True, use_base=True)
- # don't allow db_id to be '' or None, would be bug and lock up everything
- if not db_id:
- if os.getenv('HARD_ASSERTS'):
- raise ValueError("Invalid access for langchain_mode=%s" % langchain_mode)
- db_id = str(uuid.uuid4())
- lock_file = os.path.join(base_path, "db_%s_%s.lock" % (langchain_mode.replace(' ', '_').replace('/', '_'), db_id))
- makedirs(os.path.dirname(lock_file)) # ensure really made
- return lock_file
-
-
-def _update_user_db(file,
- db1s=None,
- langchain_mode='UserData',
- chunk=None, chunk_size=None,
-
- # urls
- use_unstructured=True,
- use_playwright=False,
- use_selenium=False,
-
- # pdfs
- use_pymupdf='auto',
- use_unstructured_pdf='auto',
- use_pypdf='auto',
- enable_pdf_ocr='auto',
- enable_pdf_doctr='auto',
- try_pdf_as_html='auto',
-
- # images
- enable_ocr=False,
- enable_doctr=False,
- enable_pix2struct=False,
- enable_captions=True,
- captions_model=None,
- caption_loader=None,
- doctr_loader=None,
- pix2struct_loader=None,
-
- # json
- jq_schema='.[]',
-
- dbs=None, db_type=None,
- langchain_modes=None,
- langchain_mode_paths=None,
- langchain_mode_types=None,
- use_openai_embedding=None,
- hf_embedding_model=None,
- migrate_embedding_model=None,
- auto_migrate_db=None,
- verbose=None,
- n_jobs=-1,
- is_url=None, is_txt=None,
- ):
- assert db1s is not None
- assert chunk is not None
- assert chunk_size is not None
- assert use_openai_embedding is not None
- assert hf_embedding_model is not None
- assert migrate_embedding_model is not None
- assert auto_migrate_db is not None
- assert caption_loader is not None
- assert doctr_loader is not None
- assert enable_captions is not None
- assert captions_model is not None
- assert enable_ocr is not None
- assert enable_doctr is not None
- assert enable_pdf_ocr is not None
- assert enable_pdf_doctr is not None
- assert enable_pix2struct is not None
- assert verbose is not None
-
- if dbs is None:
- dbs = {}
- assert isinstance(dbs, dict), "Wrong type for dbs: %s" % str(type(dbs))
- # handle case of list of temp buffer
- if isinstance(file, str) and file.strip().startswith('['):
- try:
- file = ast.literal_eval(file.strip())
- except Exception as e:
- print("Tried to parse %s as list but failed: %s" % (file, str(e)), flush=True)
- if isinstance(file, list) and len(file) > 0 and hasattr(file[0], 'name'):
- file = [x.name for x in file]
- # handle single file of temp buffer
- if hasattr(file, 'name'):
- file = file.name
- if not isinstance(file, (list, tuple, typing.Generator)) and isinstance(file, str):
- file = [file]
-
- if langchain_mode == LangChainMode.DISABLED.value:
- return None, langchain_mode, get_source_files(), "", None
-
- if langchain_mode in [LangChainMode.LLM.value]:
- # then switch to MyData, so langchain_mode also becomes way to select where upload goes
- # but default to mydata if nothing chosen, since safest
- if LangChainMode.MY_DATA.value in langchain_modes:
- langchain_mode = LangChainMode.MY_DATA.value
- elif len(langchain_modes) >= 1:
- langchain_mode = langchain_modes[0]
- else:
- return None, langchain_mode, get_source_files(), "", None
-
- if langchain_mode_paths is None:
- langchain_mode_paths = {}
- user_path = langchain_mode_paths.get(langchain_mode)
- # UserData or custom, which has to be from user's disk
- if user_path is not None:
- # move temp files from gradio upload to stable location
- for fili, fil in enumerate(file):
- if isinstance(fil, str) and os.path.isfile(fil): # not url, text
- new_fil = os.path.normpath(os.path.join(user_path, os.path.basename(fil)))
- if os.path.normpath(os.path.abspath(fil)) != os.path.normpath(os.path.abspath(new_fil)):
- if os.path.isfile(new_fil):
- remove(new_fil)
- try:
- if os.path.dirname(new_fil):
- makedirs(os.path.dirname(new_fil))
- shutil.move(fil, new_fil)
- except FileExistsError:
- pass
- file[fili] = new_fil
-
- if verbose:
- print("Adding %s" % file, flush=True)
-
- # FIXME: could avoid even parsing, let alone embedding, same old files if upload same file again
- # FIXME: but assume nominally user isn't uploading all files over again from UI
-
- if is_txt and hf_embedding_model == 'fake':
- # avoid parallel if fake embedding since assume trivial ingestion
- n_jobs = 1
-
- sources = path_to_docs(file if not is_url and not is_txt else None,
- verbose=verbose,
- fail_any_exception=False,
- n_jobs=n_jobs,
- chunk=chunk, chunk_size=chunk_size,
- url=file if is_url else None,
- text=file if is_txt else None,
-
- # urls
- use_unstructured=use_unstructured,
- use_playwright=use_playwright,
- use_selenium=use_selenium,
-
- # pdfs
- use_pymupdf=use_pymupdf,
- use_unstructured_pdf=use_unstructured_pdf,
- use_pypdf=use_pypdf,
- enable_pdf_ocr=enable_pdf_ocr,
- enable_pdf_doctr=enable_pdf_doctr,
- try_pdf_as_html=try_pdf_as_html,
-
- # images
- enable_ocr=enable_ocr,
- enable_doctr=enable_doctr,
- enable_pix2struct=enable_pix2struct,
- enable_captions=enable_captions,
- captions_model=captions_model,
- caption_loader=caption_loader,
- doctr_loader=doctr_loader,
- pix2struct_loader=pix2struct_loader,
-
- # json
- jq_schema=jq_schema,
-
- db_type=db_type,
- )
- exceptions = [x for x in sources if x.metadata.get('exception')]
- exceptions_strs = [x.metadata['exception'] for x in exceptions]
- sources = [x for x in sources if 'exception' not in x.metadata]
-
- # below must at least come after langchain_mode is modified in case was LLM -> MyData,
- # so original langchain mode changed
- for k in db1s:
- set_dbid(db1s[k])
- db1 = get_db1(db1s, langchain_mode)
-
- lock_file = get_lock_file(db1s[LangChainMode.MY_DATA.value], langchain_mode) # user-level lock, not db-level lock
- with filelock.FileLock(lock_file):
- if langchain_mode in db1s:
- if db1[0] is not None:
- # then add
- db, num_new_sources, new_sources_metadata = add_to_db(db1[0], sources, db_type=db_type,
- use_openai_embedding=use_openai_embedding,
- hf_embedding_model=hf_embedding_model)
- else:
- # in testing expect:
- # assert len(db1) == length_db1() and db1[1] is None, "Bad MyData db: %s" % db1
- # for production hit, when user gets clicky:
- assert len(db1) == length_db1(), "Bad %s db: %s" % (langchain_mode, db1)
- assert get_dbid(db1) is not None, "db hash was None, not allowed"
- # then create
- # if added has to original state and didn't change, then would be shared db for all users
- langchain_type = langchain_mode_types.get(langchain_mode, LangChainTypes.EITHER.value)
- persist_directory, langchain_type = get_persist_directory(langchain_mode, db1s=db1s, dbs=dbs,
- langchain_type=langchain_type)
- langchain_mode_types[langchain_mode] = langchain_type
- db = get_db(sources, use_openai_embedding=use_openai_embedding,
- db_type=db_type,
- persist_directory=persist_directory,
- langchain_mode=langchain_mode,
- langchain_mode_paths=langchain_mode_paths,
- langchain_mode_types=langchain_mode_types,
- hf_embedding_model=hf_embedding_model,
- migrate_embedding_model=migrate_embedding_model,
- auto_migrate_db=auto_migrate_db,
- n_jobs=n_jobs)
- if db is not None:
- db1[0] = db
- source_files_added = get_source_files(db=db1[0], exceptions=exceptions)
- if len(sources) > 0:
- sources_last = os.path.basename(sources[-1].metadata.get('source', 'Unknown Source'))
- else:
- sources_last = None
- return None, langchain_mode, source_files_added, '\n'.join(exceptions_strs), sources_last
- else:
- langchain_type = langchain_mode_types.get(langchain_mode, LangChainTypes.EITHER.value)
- persist_directory, langchain_type = get_persist_directory(langchain_mode, db1s=db1s, dbs=dbs,
- langchain_type=langchain_type)
- langchain_mode_types[langchain_mode] = langchain_type
- if langchain_mode in dbs and dbs[langchain_mode] is not None:
- # then add
- db, num_new_sources, new_sources_metadata = add_to_db(dbs[langchain_mode], sources, db_type=db_type,
- use_openai_embedding=use_openai_embedding,
- hf_embedding_model=hf_embedding_model)
- else:
- # then create. Or might just be that dbs is unfilled, then it will fill, then add
- db = get_db(sources, use_openai_embedding=use_openai_embedding,
- db_type=db_type,
- persist_directory=persist_directory,
- langchain_mode=langchain_mode,
- langchain_mode_paths=langchain_mode_paths,
- langchain_mode_types=langchain_mode_types,
- hf_embedding_model=hf_embedding_model,
- migrate_embedding_model=migrate_embedding_model,
- auto_migrate_db=auto_migrate_db,
- n_jobs=n_jobs)
- dbs[langchain_mode] = db
- # NOTE we do not return db, because function call always same code path
- # return dbs[langchain_mode]
- # db in this code path is updated in place
- source_files_added = get_source_files(db=dbs[langchain_mode], exceptions=exceptions)
- if len(sources) > 0:
- sources_last = os.path.basename(sources[-1].metadata.get('source', 'Unknown Source'))
- else:
- sources_last = None
- return None, langchain_mode, source_files_added, '\n'.join(exceptions_strs), sources_last
-
-
-def get_source_files_given_langchain_mode(db1s, selection_docs_state1, requests_state1, document_choice1,
- langchain_mode,
- dbs=None,
- load_db_if_exists=None,
- db_type=None,
- use_openai_embedding=None,
- hf_embedding_model=None,
- migrate_embedding_model=None,
- auto_migrate_db=None,
- verbose=False,
- get_userid_auth=None,
- delete_sources=False,
- n_jobs=-1):
- langchain_mode_paths = selection_docs_state1['langchain_mode_paths']
- langchain_mode_types = selection_docs_state1['langchain_mode_types']
- set_userid(db1s, requests_state1, get_userid_auth)
- db = get_any_db(db1s, langchain_mode, langchain_mode_paths, langchain_mode_types,
- dbs=dbs,
- load_db_if_exists=load_db_if_exists,
- db_type=db_type,
- use_openai_embedding=use_openai_embedding,
- hf_embedding_model=hf_embedding_model,
- migrate_embedding_model=migrate_embedding_model,
- auto_migrate_db=auto_migrate_db,
- for_sources_list=True,
- verbose=verbose,
- n_jobs=n_jobs,
- )
- if delete_sources:
- del_from_db(db, document_choice1, db_type=db_type)
-
- if langchain_mode in ['LLM'] or db is None:
- return "Sources: N/A"
- return get_source_files(db=db, exceptions=None)
-
-
-def get_source_files(db=None, exceptions=None, metadatas=None):
- if exceptions is None:
- exceptions = []
-
- # only should be one source, not confused
- # assert db is not None or metadatas is not None
- # clicky user
- if db is None and metadatas is None:
- return "No Sources at all"
-
- if metadatas is None:
- source_label = "Sources:"
- if db is not None:
- metadatas = get_metadatas(db)
- else:
- metadatas = []
- adding_new = False
- else:
- source_label = "New Sources:"
- adding_new = True
-
- # below automatically de-dups
- small_dict = {get_url(x['source'], from_str=True, short_name=True): get_short_name(x.get('head')) for x in
- metadatas if x.get('page', 0) == 0}
- # if small_dict is empty dict, that's ok
- df = pd.DataFrame(small_dict.items(), columns=['source', 'head'])
- df.index = df.index + 1
- df.index.name = 'index'
- source_files_added = tabulate.tabulate(df, headers='keys', tablefmt='unsafehtml')
-
- if exceptions:
- exception_metadatas = [x.metadata for x in exceptions]
- small_dict = {get_url(x['source'], from_str=True, short_name=True): get_short_name(x.get('exception')) for x in
- exception_metadatas}
- # if small_dict is empty dict, that's ok
- df = pd.DataFrame(small_dict.items(), columns=['source', 'exception'])
- df.index = df.index + 1
- df.index.name = 'index'
- exceptions_html = tabulate.tabulate(df, headers='keys', tablefmt='unsafehtml')
- else:
- exceptions_html = ''
-
- if metadatas and exceptions:
- source_files_added = """\
- <html>
- <body>
- <p>
- {0} <br>
- </p>
- <div style="overflow-y: auto;height:400px">
- {1}
- {2}
- </div>
- </body>
- </html>
- """.format(source_label, source_files_added, exceptions_html)
- elif metadatas:
- source_files_added = """\
- <html>
- <body>
- <p>
- {0} <br>
- </p>
- <div style="overflow-y: auto;height:400px">
- {1}
- </div>
- </body>
- </html>
- """.format(source_label, source_files_added)
- elif exceptions_html:
- source_files_added = """\
- <html>
- <body>
- <p>
- Exceptions: <br>
- </p>
- <div style="overflow-y: auto;height:400px">
- {0}
- </div>
- </body>
- </html>
- """.format(exceptions_html)
- else:
- if adding_new:
- source_files_added = "No New Sources"
- else:
- source_files_added = "No Sources"
-
- return source_files_added
-
-
-def update_and_get_source_files_given_langchain_mode(db1s,
- selection_docs_state,
- requests_state,
- langchain_mode, chunk, chunk_size,
-
- # urls
- use_unstructured=True,
- use_playwright=False,
- use_selenium=False,
-
- # pdfs
- use_pymupdf='auto',
- use_unstructured_pdf='auto',
- use_pypdf='auto',
- enable_pdf_ocr='auto',
- enable_pdf_doctr='auto',
- try_pdf_as_html='auto',
-
- # images
- enable_ocr=False,
- enable_doctr=False,
- enable_pix2struct=False,
- enable_captions=True,
- captions_model=None,
- caption_loader=None,
- doctr_loader=None,
- pix2struct_loader=None,
-
- # json
- jq_schema='.[]',
-
- dbs=None, first_para=None,
- hf_embedding_model=None,
- use_openai_embedding=None,
- migrate_embedding_model=None,
- auto_migrate_db=None,
- text_limit=None,
- db_type=None, load_db_if_exists=None,
- n_jobs=None, verbose=None, get_userid_auth=None):
- set_userid(db1s, requests_state, get_userid_auth)
- assert hf_embedding_model is not None
- assert migrate_embedding_model is not None
- assert auto_migrate_db is not None
- langchain_mode_paths = selection_docs_state['langchain_mode_paths']
- langchain_mode_types = selection_docs_state['langchain_mode_types']
- has_path = {k: v for k, v in langchain_mode_paths.items() if v}
- if langchain_mode in [LangChainMode.LLM.value, LangChainMode.MY_DATA.value]:
- # then assume user really meant UserData, to avoid extra clicks in UI,
- # since others can't be on disk, except custom user modes, which they should then select to query it
- if LangChainMode.USER_DATA.value in has_path:
- langchain_mode = LangChainMode.USER_DATA.value
-
- db = get_any_db(db1s, langchain_mode, langchain_mode_paths, langchain_mode_types,
- dbs=dbs,
- load_db_if_exists=load_db_if_exists,
- db_type=db_type,
- use_openai_embedding=use_openai_embedding,
- hf_embedding_model=hf_embedding_model,
- migrate_embedding_model=migrate_embedding_model,
- auto_migrate_db=auto_migrate_db,
- for_sources_list=True,
- verbose=verbose,
- n_jobs=n_jobs,
- )
-
- # not designed for older way of using openai embeddings, why use_openai_embedding=False
- # use_openai_embedding, hf_embedding_model passed in and possible different values used,
- # but no longer used here or in calling functions so ok
- db, num_new_sources, new_sources_metadata = make_db(use_openai_embedding=False,
- hf_embedding_model=hf_embedding_model,
- migrate_embedding_model=migrate_embedding_model,
- auto_migrate_db=auto_migrate_db,
- first_para=first_para, text_limit=text_limit,
- chunk=chunk,
- chunk_size=chunk_size,
-
- # urls
- use_unstructured=use_unstructured,
- use_playwright=use_playwright,
- use_selenium=use_selenium,
-
- # pdfs
- use_pymupdf=use_pymupdf,
- use_unstructured_pdf=use_unstructured_pdf,
- use_pypdf=use_pypdf,
- enable_pdf_ocr=enable_pdf_ocr,
- enable_pdf_doctr=enable_pdf_doctr,
- try_pdf_as_html=try_pdf_as_html,
-
- # images
- enable_ocr=enable_ocr,
- enable_doctr=enable_doctr,
- enable_pix2struct=enable_pix2struct,
- enable_captions=enable_captions,
- captions_model=captions_model,
- caption_loader=caption_loader,
- doctr_loader=doctr_loader,
- pix2struct_loader=pix2struct_loader,
-
- # json
- jq_schema=jq_schema,
-
- langchain_mode=langchain_mode,
- langchain_mode_paths=langchain_mode_paths,
- langchain_mode_types=langchain_mode_types,
- db_type=db_type,
- load_db_if_exists=load_db_if_exists,
- db=db,
- n_jobs=n_jobs,
- verbose=verbose)
- # during refreshing, might have "created" new db since not in dbs[] yet, so insert back just in case
- # so even if persisted, not kept up-to-date with dbs memory
- if langchain_mode in db1s:
- db1s[langchain_mode][0] = db
- else:
- dbs[langchain_mode] = db
-
- # return only new sources with text saying such
- return get_source_files(db=None, exceptions=None, metadatas=new_sources_metadata)
-
-
-def get_db1(db1s, langchain_mode1):
- if langchain_mode1 in db1s:
- db1 = db1s[langchain_mode1]
- else:
- # indicates to code that not personal database
- db1 = [None] * length_db1()
- return db1
-
-
-def clean_doc(docs1):
- if not isinstance(docs1, (list, tuple, types.GeneratorType)):
- docs1 = [docs1]
- for doci, doc in enumerate(docs1):
- docs1[doci].page_content = '\n'.join([x.strip() for x in doc.page_content.split("\n") if x.strip()])
- return docs1
-
-
-def clone_documents(documents: Iterable[Document]) -> List[Document]:
- # first clone documents
- new_docs = []
- for doc in documents:
- new_doc = Document(page_content=doc.page_content, metadata=copy.deepcopy(doc.metadata))
- new_docs.append(new_doc)
- return new_docs
-
-
-def get_db_from_hf(dest=".", db_dir='db_dir_DriverlessAI_docs.zip'):
- from huggingface_hub import hf_hub_download
- # True for case when locally already logged in with correct token, so don't have to set key
- token = os.getenv('HUGGING_FACE_HUB_TOKEN', True)
- path_to_zip_file = hf_hub_download('h2oai/db_dirs', db_dir, token=token, repo_type='dataset')
- import zipfile
- with zipfile.ZipFile(path_to_zip_file, 'r') as zip_ref:
- persist_directory = os.path.dirname(zip_ref.namelist()[0])
- remove(persist_directory)
- zip_ref.extractall(dest)
- return path_to_zip_file
-
-
-# Note dir has space in some cases, while zip does not
-some_db_zips = [['db_dir_DriverlessAI_docs.zip', 'db_dir_DriverlessAI docs', 'CC-BY-NC license'],
- ['db_dir_UserData.zip', 'db_dir_UserData', 'CC-BY license for ArXiv'],
- ['db_dir_github_h2oGPT.zip', 'db_dir_github h2oGPT', 'ApacheV2 license'],
- ['db_dir_wiki.zip', 'db_dir_wiki', 'CC-BY-SA Wikipedia license'],
- # ['db_dir_wiki_full.zip', 'db_dir_wiki_full.zip', '23GB, 05/04/2023 CC-BY-SA Wiki license'],
- ]
-
-all_db_zips = some_db_zips + \
- [['db_dir_wiki_full.zip', 'db_dir_wiki_full.zip', '23GB, 05/04/2023 CC-BY-SA Wiki license'],
- ]
-
-
-def get_some_dbs_from_hf(dest='.', db_zips=None):
- if db_zips is None:
- db_zips = some_db_zips
- for db_dir, dir_expected, license1 in db_zips:
- path_to_zip_file = get_db_from_hf(dest=dest, db_dir=db_dir)
- assert os.path.isfile(path_to_zip_file), "Missing zip in %s" % path_to_zip_file
- if dir_expected:
- assert os.path.isdir(os.path.join(dest, dir_expected)), "Missing path for %s" % dir_expected
- assert os.path.isdir(
- os.path.join(dest, dir_expected, 'index')), "Missing index in %s" % dir_expected
-
-
-def _create_local_weaviate_client():
- WEAVIATE_URL = os.getenv('WEAVIATE_URL', "http://localhost:8080")
- WEAVIATE_USERNAME = os.getenv('WEAVIATE_USERNAME')
- WEAVIATE_PASSWORD = os.getenv('WEAVIATE_PASSWORD')
- WEAVIATE_SCOPE = os.getenv('WEAVIATE_SCOPE', "offline_access")
-
- resource_owner_config = None
- try:
- import weaviate
- from weaviate.embedded import EmbeddedOptions
- if WEAVIATE_USERNAME is not None and WEAVIATE_PASSWORD is not None:
- resource_owner_config = weaviate.AuthClientPassword(
- username=WEAVIATE_USERNAME,
- password=WEAVIATE_PASSWORD,
- scope=WEAVIATE_SCOPE
- )
-
- # if using remote server, don't choose persistent directory
- client = weaviate.Client(WEAVIATE_URL, auth_client_secret=resource_owner_config)
- return client
- except Exception as e:
- print(f"Failed to create Weaviate client: {e}")
- return None
-
-
-if __name__ == '__main__':
- pass