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#
# Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import json
from .base import Base
class Session(Base):
def __init__(self, rag, res_dict):
self.id = None
self.name = "New session"
self.messages = [{"role": "assistant", "content": "Hi! I am your assistant，can I help you?"}]
for key, value in res_dict.items():
if key == "chat_id" and value is not None:
self.chat_id = None
self.__session_type = "chat"
if key == "agent_id" and value is not None:
self.agent_id = None
self.__session_type = "agent"
super().__init__(rag, res_dict)
def ask(self, question="", stream=True, **kwargs):
if self.__session_type == "agent":
res = self._ask_agent(question, stream)
elif self.__session_type == "chat":
res = self._ask_chat(question, stream, **kwargs)
for line in res.iter_lines():
line = line.decode("utf-8")
if line.startswith("{"):
json_data = json.loads(line)
raise Exception(json_data["message"])
if not line.startswith("data:"):
continue
json_data = json.loads(line[5:])
if json_data["data"] is True or json_data["data"].get("running_status"):
continue
answer = json_data["data"]["answer"]
reference = json_data["data"].get("reference", {})
temp_dict = {
"content": answer,
"role": "assistant"
}
if reference and "chunks" in reference:
chunks = reference["chunks"]
temp_dict["reference"] = chunks
message = Message(self.rag, temp_dict)
yield message
def _ask_chat(self, question: str, stream: bool, **kwargs):
json_data = {"question": question, "stream": True, "session_id": self.id}
json_data.update(kwargs)
res = self.post(f"/chats/{self.chat_id}/completions",
json_data, stream=stream)
return res
def _ask_agent(self, question: str, stream: bool):
res = self.post(f"/agents/{self.agent_id}/completions",
{"question": question, "stream": True, "session_id": self.id}, stream=stream)
return res
def update(self, update_message):
res = self.put(f"/chats/{self.chat_id}/sessions/{self.id}",
update_message)
res = res.json()
if res.get("code") != 0:
raise Exception(res.get("message"))
class Message(Base):
def __init__(self, rag, res_dict):
self.content = "Hi! I am your assistant，can I help you?"
self.reference = None
self.role = "assistant"
self.prompt = None
self.id = None
super().__init__(rag, res_dict)
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