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app.py

@@ -0,0 +1,129 @@
+import time
+from os.path import basename
+import yaml
+
+import streamlit as st
+from yaml.loader import SafeLoader
+from streamlit_authenticator import Authenticate
+
+from htmlTemplates import css, bot_template, user_template
+from sources import sources_ref
+import constants
+import backend
+
+
+import torch
+print(f"Is CUDA available: {torch.cuda.is_available()}")
+# True
+if torch.cuda.is_available():
+    print(f"CUDA device: {torch.cuda.get_device_name(torch.cuda.current_device())}")
+# Tesla T4
+
+
+def on_query():
+    constants.question = st.session_state.InputText
+    st.session_state.InputText = ""
+
+
+def handle_userinput(user_question):
+    res = st.session_state.model({'query': user_question})
+    answer, docs = res["result"], res["source_documents"]
+    source = sources_ref[basename(docs[0].metadata["source"])]
+
+    st.session_state.chat_history.insert(0, user_question)
+    st.session_state.chat_history.insert(1, answer + "<br><br><em>Source: " + source)
+
+    for i, message in enumerate(st.session_state.chat_history):
+        if i % 2 == 0:
+            st.write(user_template.replace("{{MSG}}", message), unsafe_allow_html=True)
+        else:
+            st.write(bot_template.replace("{{MSG}}", message), unsafe_allow_html=True)
+
+
+def login_page():
+    st.set_page_config(page_title="logotherapyGPT",
+                       page_icon=":books:")
+
+    with open('auth_config.yaml') as file:
+        config = yaml.load(file, Loader=SafeLoader)
+
+    authenticator = Authenticate(
+        config['credentials'],
+        config['cookie']['name'],
+        config['cookie']['key'],
+        config['cookie']['expiry_days'],
+        config['preauthorized']
+    )
+
+    name, authentication_status, username = authenticator.login('Login', 'main')
+
+    if authentication_status:
+
+        if 'db_clicked' not in st.session_state:
+            st.session_state.db_clicked = False
+
+        placeholder_box = st.empty()
+        placeholder_button = st.empty()
+        placeholder_box.selectbox(
+            'Choose a Database',
+            ("All", "Frankl's Works", "Journal of Search for Meaning"),
+            key="database"
+        )
+        placeholder_button.button(
+            "Enter",
+            on_click=db_button_clicked
+        )
+
+        if st.session_state.db_clicked:
+            placeholder_box.empty()
+            placeholder_button.empty()
+            main_page()
+
+    elif not authentication_status:
+        st.error('Username/password is incorrect')
+
+    elif authentication_status is None:
+        st.warning('Please enter your username and password')
+
+
+def db_button_clicked():
+    st.session_state.db_clicked = True
+
+
+def main_page():
+    st.write(css, unsafe_allow_html=True)
+
+    st.markdown("# logotherapyGPT")
+    st.markdown("Chosen Database: " + st.session_state.database)
+    st.markdown("An AI chatbot to quickly access logotherapy information. Trained on the works of Viktor "
+                "Frankl and The International Forum for Logotherapy.")
+
+    if "model" not in st.session_state:
+        with st.spinner("Loading Database..."):
+            st.session_state.model = backend.load_qa(st.session_state.database)
+
+    if "chat_history" not in st.session_state:
+        st.session_state.chat_history = []
+
+    st.text_input(
+        "Input",
+        label_visibility="collapsed",
+        placeholder="Ask a Question...",
+        on_change=on_query,
+        key="InputText"
+    )
+
+    print(constants.question)
+
+    if st.session_state.model is not None and constants.question is not None:
+        start = time.time()
+
+        with st.spinner("Processing..."):
+            handle_userinput(constants.question)
+
+        end = time.time()
+        print(f"\n> Answer (took {round(end - start, 2)} s.):")
+
+
+if __name__ == '__main__':
+    login_page()

auth_config.yaml

@@ -0,0 +1,13 @@
+credentials:
+  usernames:
+    user:
+      email: [email protected]
+      name: User
+      password: $2b$12$x.TrOZp0U38wdAkZX3i29eB0yCt/z2pV55DKfU3836rC/wtzqRfgi
+
+cookie:
+  expiry_days: 0
+  key: random_signature_key # Must be string
+  name: random_cookie_name
+preauthorized:
+  emails:

backend.py

@@ -0,0 +1,122 @@
+import time
+import streamlit as st
+import torch
+from langchain.chains import RetrievalQA
+from langchain.embeddings import HuggingFaceInstructEmbeddings
+from langchain.llms import HuggingFacePipeline
+from constants import EMBEDDING_MODEL_NAME, db_all, db_frankl, db_inst
+from langchain.vectorstores import Chroma
+from transformers import (
+    AutoModelForCausalLM,
+    AutoTokenizer,
+    GenerationConfig,
+    LlamaForCausalLM,
+    LlamaTokenizer,
+    pipeline,
+)
+
+
+@st.cache_resource(show_spinner=False)
+def load_model(device_type, model_id):
+    if device_type.lower() == "cuda":  # cuda
+        tokenizer = AutoTokenizer.from_pretrained(model_id)
+
+        model = AutoModelForCausalLM.from_pretrained(
+            model_id,
+            device_map="auto",
+            torch_dtype=torch.float16,
+            low_cpu_mem_usage=True,
+            trust_remote_code=True,
+        )
+        model.tie_weights()
+    else:  # cpu
+        tokenizer = LlamaTokenizer.from_pretrained(model_id)
+        model = LlamaForCausalLM.from_pretrained(model_id)
+
+    generation_config = GenerationConfig.from_pretrained(model_id)
+
+    pipe = pipeline(
+        "text-generation",
+        model=model,
+        tokenizer=tokenizer,
+        max_length=2048,
+        temperature=0.1,
+        top_p=0.95,
+        repetition_penalty=1.5,
+        generation_config=generation_config,
+    )
+
+    local_llm = HuggingFacePipeline(pipeline=pipe)
+
+    return local_llm
+
+
+@st.cache_data(persist=True, show_spinner=False)
+def get_embeddings():
+    if torch.cuda.is_available():
+        device_type = "cuda"
+    else:
+        device_type = "cpu"
+
+    embeddings = HuggingFaceInstructEmbeddings(
+        model_name=EMBEDDING_MODEL_NAME,
+        model_kwargs={"device": device_type}
+    )
+
+    return embeddings
+
+
+def get_llm():
+    if torch.cuda.is_available():
+        device_type = "cuda"
+    else:
+        device_type = "cpu"
+
+    model_id = "psmathur/orca_mini_3b"
+
+    llm = load_model(
+        device_type,
+        model_id=model_id
+    )
+    return llm
+
+
+def load_qa(db_option):
+    db_instance = db_inst
+
+    match db_option:
+        case "All":
+            db_instance = db_all
+            print("loading db_all")
+        case "Frankl's Works":
+            db_instance = db_frankl
+            print("loading db_frankl")
+        case "Journal of Search for Meaning":
+            db_instance = db_inst
+            print("loading db_inst")
+
+    load_start = time.time()
+
+    embeddings = get_embeddings()
+
+    db = Chroma(
+        persist_directory=db_instance.get_directory(),
+        embedding_function=embeddings,
+        client_settings=db_instance.get_chroma_settings(),
+    )
+
+    retriever = db.as_retriever()
+
+    llm = get_llm()
+
+    qa = RetrievalQA.from_chain_type(
+        llm=llm,
+        chain_type="stuff",
+        retriever=retriever,
+        return_source_documents=True,
+    )
+
+    load_end = time.time()
+    print(f"\n> Completed Initial Load (took {round(load_end - load_start, 2)} s.)")
+
+    return qa

constants.py

@@ -0,0 +1,23 @@
+import os
+from langchain.document_loaders import PDFMinerLoader, TextLoader
+from db import db
+
+question = None
+
+root = os.path.dirname(os.path.realpath(__file__))
+
+SOURCE_DIRECTORY = f"{root}/SOURCE_DOCUMENTS"
+
+db_all = db("all", root)
+db_frankl = db("frankl", root)
+db_inst = db("inst", root)
+
+INGEST_THREADS = os.cpu_count()
+
+DOCUMENT_MAP = {
+    ".txt": TextLoader,
+    ".pdf": PDFMinerLoader,
+}
+
+# Default Instructor Model
+EMBEDDING_MODEL_NAME = "hkunlp/instructor-large"

db.py

@@ -0,0 +1,21 @@
+from chromadb.config import Settings
+
+
+class db:
+    def __init__(self, name, root):
+        self.name = name
+        self.directory = f"{root}/DB/DB_{name}"
+        self.chroma_settings = Settings(
+            chroma_db_impl="duckdb+parquet",
+            persist_directory=self.directory,
+            anonymized_telemetry=False
+        )
+
+    def get_name(self):
+        return self.name
+
+    def get_directory(self):
+        return self.directory
+
+    def get_chroma_settings(self):
+        return self.chroma_settings

htmlTemplates.py

@@ -0,0 +1,33 @@
+css = '''
+<style>
+.chat-message {
+    padding: 1.5rem;
+    border-radius: 0.5rem;
+    margin-bottom: 1rem;
+    display: flex
+}
+.chat-message.user {
+    background-color: #554763
+}
+.chat-message.bot {
+    background-color: #736383;
+    margin-bottom: 2.5rem;
+}
+.chat-message .message {
+  width: 100%;
+  padding: 0 1.5rem;
+  color: #fff;
+}
+'''
+
+bot_template = '''
+<div class="chat-message bot">
+    <div class="message">{{MSG}}</em></div>
+</div>
+'''
+
+user_template = '''
+<div class="chat-message user">
+    <div class="message">{{MSG}}</div>
+</div>
+'''

requirements.txt

@@ -0,0 +1,13 @@
+
+PyYAML~=6.0.1
+streamlit~=1.25.0
+click~=8.1.6
+
+--extra-index-url https://download.pytorch.org/whl/cu113
+torch
+transformers~=4.31.0
+streamlit_authenticator
+langchain
+chromadb==0.3.22
+InstructorEmbedding
+sentence-transformers

sources.py

@@ -0,0 +1,101 @@
+sources_ref = {
+    "book_000.pdf": "Frankl, V. E. (2006). Man’s Search for Meaning. Beacon Press.",
+    "book_001.pdf": "Frankl, V. E., Winston, C., & Winston, R. (2019). The Doctor and the Soul: From Psychotherapy to Logotherapy. Vintage Books.",
+    "book_002.pdf": "Frankl, V. E. (2004). On the Theory and Therapy of Mental Disorders: An Introduction to Logotherapy and Existential Analysis. Brunner-Routledge.",
+    "book_003.pdf": "Frankl, V. E., & Crumbaugh, J. C. (1967). Psychotherapy and Existentialism. Simon & Schuster.",
+    "book_004.pdf": "Frankl, V. E. (1988). The Will to Meaning: Foundations and Applications of Logotherapy. Penguin.",
+    "book_005.pdf": "Frankl, V. E. (2002). The Unheard Cry for Meaning: Psychotherapy and Humanism. Washington Square Press/Pocket Books.",
+    "book_006.pdf": "Frankl, V. E. (2008). Recollections: An Autobiography. Basic Books.",
+    "book_007.pdf": "Frankl, V. E., & Emil, V. (1997). Man’s Search for Ultimate Meaning. Insight Books.",
+    "book_008.pdf": "Frankl, V. E., Goleman, D., & Franz Vesely. (2020). Yes to Life : In Spite of Everything. Beacon Press.",
+    "journal_002_1.txt": "Journal of Search for Meaning, Volume 02 Number 1 (Spring 1979) The International Forum for Logotherapy.",
+    "journal_002_2.txt": "Journal of Search for Meaning, Volume 02 Number 2 (Autumn 1979) The International Forum for Logotherapy.",
+    "journal_003_1.txt": "Journal of Search for Meaning, Volume 03 Number 1 (Spring 1980) The International Forum for Logotherapy.",
+    "journal_003_2.txt": "Journal of Search for Meaning, Volume 03 Number 2 (Autumn 1980) The International Forum for Logotherapy.",
+    "journal_004_1.txt": "Journal of Search for Meaning, Volume 04 Number 1 (Spring 1981) The International Forum for Logotherapy.",
+    "journal_004_2.txt": "Journal of Search for Meaning, Volume 04 Number 2 (Autumn 1981) The International Forum for Logotherapy.",
+    "journal_005_1.txt": "Journal of Search for Meaning, Volume 05 Number 1 (Spring 1982) The International Forum for Logotherapy.",
+    "journal_005_2.txt": "Journal of Search for Meaning, Volume 05 Number 2 (Autumn 1982) The International Forum for Logotherapy.",
+    "journal_006_1.txt": "Journal of Search for Meaning, Volume 06 Number 1 (Spring 1983) The International Forum for Logotherapy.",
+    "journal_006_2.txt": "Journal of Search for Meaning, Volume 06 Number 2 (Autumn 1983) The International Forum for Logotherapy.",
+    "journal_007_1.txt": "Journal of Search for Meaning, Volume 07 Number 1 (Spring 1984) The International Forum for Logotherapy.",
+    "journal_007_2.txt": "Journal of Search for Meaning, Volume 07 Number 2 (Autumn 1984) The International Forum for Logotherapy.",
+    "journal_008_1.txt": "Journal of Search for Meaning, Volume 08 Number 1 (Spring 1985) The International Forum for Logotherapy.",
+    "journal_008_2.txt": "Journal of Search for Meaning, Volume 08 Number 2 (Autumn 1985) The International Forum for Logotherapy.",
+    "journal_009_1.txt": "Journal of Search for Meaning, Volume 09 Number 1 (Spring 1986) The International Forum for Logotherapy.",
+    "journal_009_2.txt": "Journal of Search for Meaning, Volume 09 Number 2 (Autumn 1986) The International Forum for Logotherapy.",
+    "journal_010_1.txt": "Journal of Search for Meaning, Volume 10 Number 1 (Spring 1987) The International Forum for Logotherapy.",
+    "journal_010_2.txt": "Journal of Search for Meaning, Volume 10 Number 2 (Autumn 1987) The International Forum for Logotherapy.",
+    "journal_011_1.txt": "Journal of Search for Meaning, Volume 11 Number 1 (Spring 1988) The International Forum for Logotherapy.",
+    "journal_011_2.txt": "Journal of Search for Meaning, Volume 11 Number 2 (Autumn 1988) The International Forum for Logotherapy.",
+    "journal_012_1.txt": "Journal of Search for Meaning, Volume 12 Number 1 (Spring 1989) The International Forum for Logotherapy.",
+    "journal_012_2.txt": "Journal of Search for Meaning, Volume 12 Number 2 (Autumn 1989) The International Forum for Logotherapy.",
+    "journal_013_1.txt": "Journal of Search for Meaning, Volume 13 Number 1 (Spring 1990) The International Forum for Logotherapy.",
+    "journal_013_2.txt": "Journal of Search for Meaning, Volume 13 Number 2 (Autumn 1990) The International Forum for Logotherapy.",
+    "journal_014_1.txt": "Journal of Search for Meaning, Volume 14 Number 1 (Spring 1991) The International Forum for Logotherapy.",
+    "journal_014_2.txt": "Journal of Search for Meaning, Volume 14 Number 2 (Autumn 1991) The International Forum for Logotherapy.",
+    "journal_015_1.txt": "Journal of Search for Meaning, Volume 15 Number 1 (Spring 1992) The International Forum for Logotherapy.",
+    "journal_015_2.txt": "Journal of Search for Meaning, Volume 15 Number 2 (Autumn 1992) The International Forum for Logotherapy.",
+    "journal_016_1.txt": "Journal of Search for Meaning, Volume 16 Number 1 (Spring 1993) The International Forum for Logotherapy.",
+    "journal_016_2.txt": "Journal of Search for Meaning, Volume 16 Number 2 (Autumn 1993) The International Forum for Logotherapy.",
+    "journal_017_1.txt": "Journal of Search for Meaning, Volume 17 Number 1 (Spring 1994) The International Forum for Logotherapy.",
+    "journal_017_2.txt": "Journal of Search for Meaning, Volume 17 Number 2 (Autumn 1994) The International Forum for Logotherapy.",
+    "journal_018_1.txt": "Journal of Search for Meaning, Volume 18 Number 1 (Spring 1995) The International Forum for Logotherapy.",
+    "journal_018_2.txt": "Journal of Search for Meaning, Volume 18 Number 2 (Autumn 1995) The International Forum for Logotherapy.",
+    "journal_019_1.txt": "Journal of Search for Meaning, Volume 19 Number 1 (Spring 1996) The International Forum for Logotherapy.",
+    "journal_019_2.txt": "Journal of Search for Meaning, Volume 19 Number 2 (Autumn 1996) The International Forum for Logotherapy.",
+    "journal_020_1.txt": "Journal of Search for Meaning, Volume 20 Number 1 (Spring 1997) The International Forum for Logotherapy.",
+    "journal_020_2.txt": "Journal of Search for Meaning, Volume 20 Number 2 (Autumn 1997) The International Forum for Logotherapy.",
+    "journal_021_1.txt": "Journal of Search for Meaning, Volume 21 Number 1 (Spring 1998) The International Forum for Logotherapy.",
+    "journal_021_2.txt": "Journal of Search for Meaning, Volume 21 Number 2 (Autumn 1998) The International Forum for Logotherapy.",
+    "journal_022_1.txt": "Journal of Search for Meaning, Volume 22 Number 1 (Spring 1999) The International Forum for Logotherapy.",
+    "journal_022_2.txt": "Journal of Search for Meaning, Volume 22 Number 2 (Autumn 1999) The International Forum for Logotherapy.",
+    "journal_023_1.txt": "Journal of Search for Meaning, Volume 23 Number 1 (Spring 2000) The International Forum for Logotherapy.",
+    "journal_023_2.txt": "Journal of Search for Meaning, Volume 23 Number 2 (Autumn 2000) The International Forum for Logotherapy.",
+    "journal_024_1.txt": "Journal of Search for Meaning, Volume 24 Number 1 (Spring 2001) The International Forum for Logotherapy.",
+    "journal_024_2.txt": "Journal of Search for Meaning, Volume 24 Number 2 (Autumn 2001) The International Forum for Logotherapy.",
+    "journal_025_1.txt": "Journal of Search for Meaning, Volume 25 Number 1 (Spring 2002) The International Forum for Logotherapy.",
+    "journal_025_2.txt": "Journal of Search for Meaning, Volume 25 Number 2 (Autumn 2002) The International Forum for Logotherapy.",
+    "journal_026_1.txt": "Journal of Search for Meaning, Volume 26 Number 1 (Spring 2003) The International Forum for Logotherapy.",
+    "journal_026_2.txt": "Journal of Search for Meaning, Volume 26 Number 2 (Autumn 2003) The International Forum for Logotherapy.",
+    "journal_027_1.txt": "Journal of Search for Meaning, Volume 27 Number 1 (Spring 2004) The International Forum for Logotherapy.",
+    "journal_027_2.txt": "Journal of Search for Meaning, Volume 27 Number 2 (Autumn 2004) The International Forum for Logotherapy.",
+    "journal_028_1.txt": "Journal of Search for Meaning, Volume 28 Number 1 (Spring 2005) The International Forum for Logotherapy.",
+    "journal_028_2.txt": "Journal of Search for Meaning, Volume 28 Number 2 (Autumn 2005) The International Forum for Logotherapy.",
+    "journal_029_1.txt": "Journal of Search for Meaning, Volume 29 Number 1 (Spring 2006) The International Forum for Logotherapy.",
+    "journal_029_2.txt": "Journal of Search for Meaning, Volume 29 Number 2 (Autumn 2006) The International Forum for Logotherapy.",
+    "journal_030_1.txt": "Journal of Search for Meaning, Volume 30 Number 1 (Spring 2007) The International Forum for Logotherapy.",
+    "journal_030_2.txt": "Journal of Search for Meaning, Volume 30 Number 2 (Autumn 2007) The International Forum for Logotherapy.",
+    "journal_031_1.txt": "Journal of Search for Meaning, Volume 31 Number 1 (Spring 2008) The International Forum for Logotherapy.",
+    "journal_031_2.txt": "Journal of Search for Meaning, Volume 31 Number 2 (Autumn 2008) The International Forum for Logotherapy.",
+    "journal_032_1.txt": "Journal of Search for Meaning, Volume 32 Number 1 (Spring 2009) The International Forum for Logotherapy.",
+    "journal_032_2.txt": "Journal of Search for Meaning, Volume 32 Number 2 (Autumn 2009) The International Forum for Logotherapy.",
+    "journal_033_1.txt": "Journal of Search for Meaning, Volume 33 Number 1 (Spring 2010) The International Forum for Logotherapy.",
+    "journal_033_2.txt": "Journal of Search for Meaning, Volume 33 Number 2 (Autumn 2010) The International Forum for Logotherapy.",
+    "journal_034_1.pdf": "Journal of Search for Meaning, Volume 34 Number 1 (Spring 2011) The International Forum for Logotherapy.",
+    "journal_034_2.pdf": "Journal of Search for Meaning, Volume 34 Number 2 (Autumn 2011) The International Forum for Logotherapy.",
+    "journal_035_1.pdf": "Journal of Search for Meaning, Volume 35 Number 1 (Spring 2012) The International Forum for Logotherapy.",
+    "journal_035_2.pdf": "Journal of Search for Meaning, Volume 35 Number 2 (Autumn 2012) The International Forum for Logotherapy.",
+    "journal_036_1.pdf": "Journal of Search for Meaning, Volume 36 Number 1 (Spring 2013) The International Forum for Logotherapy.",
+    "journal_036_2.pdf": "Journal of Search for Meaning, Volume 36 Number 2 (Autumn 2013) The International Forum for Logotherapy.",
+    "journal_037_1.pdf": "Journal of Search for Meaning, Volume 37 Number 1 (Spring 2014) The International Forum for Logotherapy.",
+    "journal_037_2.pdf": "Journal of Search for Meaning, Volume 37 Number 2 (Autumn 2014) The International Forum for Logotherapy.",
+    "journal_038_1.pdf": "Journal of Search for Meaning, Volume 38 Number 1 (Spring 2015) The International Forum for Logotherapy.",
+    "journal_038_2.pdf": "Journal of Search for Meaning, Volume 38 Number 2 (Autumn 2015) The International Forum for Logotherapy.",
+    "journal_039_1.pdf": "Journal of Search for Meaning, Volume 39 Number 1 (Spring 2016) The International Forum for Logotherapy.",
+    "journal_039_2.pdf": "Journal of Search for Meaning, Volume 39 Number 2 (Autumn 2016) The International Forum for Logotherapy.",
+    "journal_040_1.pdf": "Journal of Search for Meaning, Volume 40 Number 1 (Spring 2017) The International Forum for Logotherapy.",
+    "journal_040_2.pdf": "Journal of Search for Meaning, Volume 40 Number 2 (Autumn 2017) The International Forum for Logotherapy.",
+    "journal_041_1.pdf": "Journal of Search for Meaning, Volume 41 Number 1 (Spring 2018) The International Forum for Logotherapy.",
+    "journal_041_2.pdf": "Journal of Search for Meaning, Volume 41 Number 2 (Autumn 2018) The International Forum for Logotherapy.",
+    "journal_042_1.pdf": "Journal of Search for Meaning, Volume 42 Number 1 (Spring 2019) The International Forum for Logotherapy.",
+    "journal_042_2.pdf": "Journal of Search for Meaning, Volume 42 Number 2 (Autumn 2019) The International Forum for Logotherapy.",
+    "journal_043_1.pdf": "Journal of Search for Meaning, Volume 43 Number 1 (Spring 2020) The International Forum for Logotherapy.",
+    "journal_043_2.pdf": "Journal of Search for Meaning, Volume 43 Number 2 (Autumn 2020) The International Forum for Logotherapy.",
+    "journal_044_1.pdf": "Journal of Search for Meaning, Volume 44 Number 1 (Spring 2021) The International Forum for Logotherapy.",
+    "journal_044_2.pdf": "Journal of Search for Meaning, Volume 44 Number 2 (Autumn 2021) The International Forum for Logotherapy.",
+    "journal_045_1.pdf": "Journal of Search for Meaning, Volume 45 Number 1 (Spring 2022) The International Forum for Logotherapy.",
+    "journal_045_2.pdf": "Journal of Search for Meaning, Volume 45 Number 2 (Autumn 2022) The International Forum for Logotherapy.",
+    "journal_046_1.pdf": "Journal of Search for Meaning, Volume 46 Number 1 (Spring 2023) The International Forum for Logotherapy.",
+    "journal_046_2.pdf": "Journal of Search for Meaning, Volume 46 Number 2 (Autumn 2023) The International Forum for Logotherapy.",
+}