mirror of
https://github.com/xtekky/gpt4free.git
synced 2024-12-27 21:21:41 +03:00
109 lines
3.8 KiB
Python
109 lines
3.8 KiB
Python
from __future__ import annotations
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import json
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import aiohttp
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from aiohttp import ClientSession
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from ..typing import AsyncResult, Messages
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from .base_provider import AsyncGeneratorProvider, ProviderModelMixin
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from .helper import format_prompt
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class DDG(AsyncGeneratorProvider, ProviderModelMixin):
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url = "https://duckduckgo.com"
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api_endpoint = "https://duckduckgo.com/duckchat/v1/chat"
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working = True
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supports_stream = True
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supports_system_message = True
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supports_message_history = True
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default_model = "gpt-4o-mini"
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models = [
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"gpt-4o-mini",
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"claude-3-haiku-20240307",
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"meta-llama/Meta-Llama-3.1-70B-Instruct-Turbo",
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"mistralai/Mixtral-8x7B-Instruct-v0.1"
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]
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model_aliases = {
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"claude-3-haiku": "claude-3-haiku-20240307",
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"llama-3.1-70b": "meta-llama/Meta-Llama-3.1-70B-Instruct-Turbo",
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"mixtral-8x7b": "mistralai/Mixtral-8x7B-Instruct-v0.1"
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}
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@classmethod
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def get_model(cls, model: str) -> str:
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return cls.model_aliases.get(model, model) if model in cls.model_aliases else cls.default_model
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@classmethod
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async def get_vqd(cls):
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status_url = "https://duckduckgo.com/duckchat/v1/status"
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headers = {
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'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36',
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'Accept': 'text/event-stream',
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'x-vqd-accept': '1'
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}
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async with aiohttp.ClientSession() as session:
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try:
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async with session.get(status_url, headers=headers) as response:
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if response.status == 200:
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return response.headers.get("x-vqd-4")
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else:
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print(f"Error: Status code {response.status}")
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return None
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except Exception as e:
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print(f"Error getting VQD: {e}")
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return None
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@classmethod
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async def create_async_generator(
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cls,
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model: str,
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messages: Messages,
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conversation: dict = None,
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proxy: str = None,
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**kwargs
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) -> AsyncResult:
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model = cls.get_model(model)
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headers = {
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'accept': 'text/event-stream',
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'content-type': 'application/json',
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'user-agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36',
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}
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vqd = conversation.get('vqd') if conversation else await cls.get_vqd()
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if not vqd:
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raise Exception("Failed to obtain VQD token")
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headers['x-vqd-4'] = vqd
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if conversation:
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message_history = conversation.get('messages', [])
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message_history.append({"role": "user", "content": format_prompt(messages)})
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else:
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message_history = [{"role": "user", "content": format_prompt(messages)}]
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async with ClientSession(headers=headers) as session:
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data = {
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"model": model,
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"messages": message_history
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}
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async with session.post(cls.api_endpoint, json=data, proxy=proxy) as response:
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response.raise_for_status()
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async for line in response.content:
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if line:
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decoded_line = line.decode('utf-8')
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if decoded_line.startswith('data: '):
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json_str = decoded_line[6:]
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if json_str == '[DONE]':
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break
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try:
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json_data = json.loads(json_str)
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if 'message' in json_data:
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yield json_data['message']
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except json.JSONDecodeError:
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pass
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