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from __future__ import annotations
import json
import aiohttp
from .base_provider import AsyncGeneratorProvider, ProviderModelMixin
from .helper import get_connector
from ..typing import AsyncResult, Messages
from ..requests.raise_for_status import raise_for_status
from ..providers.conversation import BaseConversation
class DuckDuckGo(AsyncGeneratorProvider, ProviderModelMixin):
url = "https://duckduckgo.com/duckchat"
working = True
supports_gpt_35_turbo = True
supports_message_history = True
default_model = "gpt-3.5-turbo-0125"
models = ["gpt-3.5-turbo-0125", "claude-instant-1.2"]
model_aliases = {"gpt-3.5-turbo": "gpt-3.5-turbo-0125"}
status_url = "https://duckduckgo.com/duckchat/v1/status"
chat_url = "https://duckduckgo.com/duckchat/v1/chat"
user_agent = 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0'
headers = {
'User-Agent': user_agent,
'Accept': 'text/event-stream',
'Accept-Language': 'de,en-US;q=0.7,en;q=0.3',
'Accept-Encoding': 'gzip, deflate, br',
'Referer': 'https://duckduckgo.com/',
'Content-Type': 'application/json',
'Origin': 'https://duckduckgo.com',
'Connection': 'keep-alive',
'Cookie': 'dcm=1',
'Sec-Fetch-Dest': 'empty',
'Sec-Fetch-Mode': 'cors',
'Sec-Fetch-Site': 'same-origin',
'Pragma': 'no-cache',
'TE': 'trailers'
}
@classmethod
async def create_async_generator(
cls,
model: str,
messages: Messages,
proxy: str = None,
connector: aiohttp.BaseConnector = None,
conversation: Conversation = None,
return_conversation: bool = False,
**kwargs
) -> AsyncResult:
async with aiohttp.ClientSession(headers=cls.headers, connector=get_connector(connector, proxy)) as session:
if conversation is not None and len(messages) > 1:
vqd_4 = conversation.vqd_4
messages = [*conversation.messages, messages[-2], messages[-1]]
else:
async with session.get(cls.status_url, headers={"x-vqd-accept": "1"}) as response:
await raise_for_status(response)
vqd_4 = response.headers.get("x-vqd-4")
messages = [messages[-1]]
payload = {
'model': cls.get_model(model),
'messages': messages
}
async with session.post(cls.chat_url, json=payload, headers={"x-vqd-4": vqd_4}) as response:
await raise_for_status(response)
if return_conversation:
yield Conversation(response.headers.get("x-vqd-4"), messages)
async for line in response.content:
if line.startswith(b"data: "):
chunk = line[6:]
if chunk.startswith(b"[DONE]"):
break
data = json.loads(chunk)
if "message" in data and data["message"]:
yield data["message"]
class Conversation(BaseConversation):
def __init__(self, vqd_4: str, messages: Messages) -> None:
self.vqd_4 = vqd_4
self.messages = messages
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