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from __future__ import annotations
import time
import hashlib
import uuid
from ..typing import AsyncResult, Messages
from ..requests import StreamSession
from ..errors import RateLimitError
from .base_provider import AsyncGeneratorProvider, ProviderModelMixin
class ChatForAi(AsyncGeneratorProvider, ProviderModelMixin):
url = "https://chatforai.store"
working = True
default_model = "gpt-3.5-turbo"
supports_message_history = True
supports_gpt_35_turbo = True
@classmethod
async def create_async_generator(
cls,
model: str,
messages: Messages,
proxy: str = None,
timeout: int = 120,
temperature: float = 0.7,
top_p: float = 1,
**kwargs
) -> AsyncResult:
model = cls.get_model(model)
headers = {
"Content-Type": "text/plain;charset=UTF-8",
"Origin": cls.url,
"Referer": f"{cls.url}/?r=b",
}
async with StreamSession(impersonate="chrome", headers=headers, proxies={"https": proxy}, timeout=timeout) as session:
timestamp = int(time.time() * 1e3)
conversation_id = str(uuid.uuid4())
data = {
"conversationId": conversation_id,
"conversationType": "chat_continuous",
"botId": "chat_continuous",
"globalSettings":{
"baseUrl": "https://api.openai.com",
"model": model,
"messageHistorySize": 5,
"temperature": temperature,
"top_p": top_p,
**kwargs
},
"prompt": "",
"messages": messages,
"timestamp": timestamp,
"sign": generate_signature(timestamp, "", conversation_id)
}
async with session.post(f"{cls.url}/api/handle/provider-openai", json=data) as response:
if response.status == 429:
raise RateLimitError("Rate limit reached")
response.raise_for_status()
async for chunk in response.iter_content():
if b"https://chatforai.store" in chunk:
raise RuntimeError(f"Response: {chunk.decode()}")
yield chunk.decode()
def generate_signature(timestamp: int, message: str, id: str):
buffer = f"{id}:{timestamp}:{message}:h496Jd6b"
return hashlib.sha256(buffer.encode()).hexdigest()
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