import json
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from datetime import datetime
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import httpx
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from typing import Union, Dict, List
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from fastapi import HTTPException
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from starlette import status
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from Log import logger
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from app.config.config import settings
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from app.utils.rsa_crypto import RagflowCrypto
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class DifyService:
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def __init__(self, base_url: str):
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self.base_url = base_url
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def _handle_response(self, response: httpx.Response) -> Union[Dict, List]:
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if response.status_code != 200:
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return {}
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data = response.json()
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ret_code = data.get("retcode")
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if ret_code == 401:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="登录过期",
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)
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if ret_code != 0:
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return {}
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# 检查返回的数据类型
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if isinstance(data.get("data"), dict):
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return data.get("data", {})
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elif isinstance(data.get("data"), list):
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return data.get("data", [])
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else:
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return {}
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async def register(self, username: str, password: str):
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password = RagflowCrypto(settings.PUBLIC_KEY, settings.PRIVATE_KEY).encrypt(password)
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async with httpx.AsyncClient() as client:
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response = await client.post(
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f"{self.base_url}/v1/user/register",
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headers={'Content-Type': 'application/json'},
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json={"nickname": username, "email": f"{username}@example.com", "password": password}
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)
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if response.status_code != 200:
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raise Exception(f"Ragflow registration failed: {response.text}")
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return self._handle_response(response)
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async def login(self, username: str, password: str) -> str:
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password = RagflowCrypto(settings.PUBLIC_KEY, settings.PRIVATE_KEY).encrypt(password)
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async with httpx.AsyncClient() as client:
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response = await client.post(
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f"{self.base_url}/v1/user/login",
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headers={'Content-Type': 'application/json'},
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json={"email": f"{username}@example.com", "password": password}
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)
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if response.status_code != 200:
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raise Exception(f"Ragflow login failed: {response.text}")
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authorization = response.headers.get('Authorization')
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if not authorization:
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raise Exception("Authorization header not found in response")
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return authorization
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async def chat(self, token: str, user_id: int, message: str, upload_file_id: str, conversation_id: str):
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target_url = f"{self.base_url}/v1/chat-messages"
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files = []
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if upload_file_id:
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files = [
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{
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"type": "image",
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"transfer_method": "local_file",
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"url": "",
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"upload_file_id": upload_file_id
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}
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]
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data = {
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"inputs": {},
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"query": message,
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"response_mode": "streaming",
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"conversation_id": "",
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"user": str(user_id),
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"files": files
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}
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async with httpx.AsyncClient(timeout=300.0) as client:
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headers = {
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'Content-Type': 'application/json',
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'Authorization': f'Bearer {token}'
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}
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async with client.stream("POST", target_url, data=json.dumps(data), headers=headers) as response:
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if response.status_code == 200:
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try:
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async for answer in response.aiter_text():
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# print(f"response of ragflow chat: {answer}")
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yield answer
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except GeneratorExit as e:
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print(e)
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return
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else:
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yield f"Error: {response.status_code}"
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async def get_session_history(self, token: str, chat_id: str, is_all: int=0):
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url = f"{self.base_url}/v1/conversation/get?conversation_id={chat_id}"
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headers = {"Authorization": token}
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async with httpx.AsyncClient() as client:
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response = await client.get(url, headers=headers)
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data = self._handle_response(response)
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# print("----------------data----------------------:", data)
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if is_all:
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return data
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return data.get("message", [])
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async def upload(self, token: str, filename: str, file: bytes, user_id) -> dict:
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url = f"{self.base_url}/v1/files/upload"
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headers = {
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# 'Content-Type': 'application/json',
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'Authorization': f'Bearer {token}'
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}
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data = {
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'user': str(user_id)
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}
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# 创建表单数据，包含文件
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files = {"file": (filename, file)}
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async with httpx.AsyncClient() as client:
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response = await client.post(url, headers=headers, files=files, data=data)
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data = self._handle_response(response)
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logger.error("----------------------------ffff-------------------------------")
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logger.error(response.status_code)
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logger.error(response.text)
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# file_path = data.get("file_path", "")
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result = {
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"file_path": data
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}
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return result
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if __name__ == "__main__":
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async def a():
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a = DifyService("http://192.168.20.119:11080")
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b = await a.get_knowledge_list("ImY3ZTZlZWQwYTY2NTExZWY5ZmFiMDI0MmFjMTMwMDA2Ig.Zzxwmw.uI_HAWzOkipQuga1aeQtoeIc3IM", 1,
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10)
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print(b)
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import asyncio
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asyncio.run(a())
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