from __future__ import annotations
import json
from aiohttp import ClientSession
from ..typing import AsyncResult, Messages
from .base_provider import AsyncGeneratorProvider, ProviderModelMixin
from .helper import format_prompt
class ChatHub(AsyncGeneratorProvider, ProviderModelMixin):
label = "ChatHub"
url = "https://app.chathub.gg"
api_endpoint = "https://app.chathub.gg/api/v3/chat/completions"
working = True
supports_stream = True
supports_system_message = True
supports_message_history = True
default_model = 'meta/llama3.1-8b'
models = [
'meta/llama3.1-8b',
'mistral/mixtral-8x7b',
'google/gemma-2',
'perplexity/sonar-online',
]
model_aliases = {
"llama-3.1-8b": "meta/llama3.1-8b",
"mixtral-8x7b": "mistral/mixtral-8x7b",
"gemma-2": "google/gemma-2",
"sonar-online": "perplexity/sonar-online",
}
@classmethod
def get_model(cls, model: str) -> str:
if model in cls.models:
return model
elif model in cls.model_aliases:
return cls.model_aliases[model]
else:
return cls.default_model
@classmethod
async def create_async_generator(
cls,
model: str,
messages: Messages,
proxy: str = None,
**kwargs
) -> AsyncResult:
model = cls.get_model(model)
headers = {
'accept': '*/*',
'accept-language': 'en-US,en;q=0.9',
'content-type': 'application/json',
'origin': cls.url,
'referer': f"{cls.url}/chat/cloud-llama3.1-8b",
'user-agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36',
'x-app-id': 'web'
}
async with ClientSession(headers=headers) as session:
prompt = format_prompt(messages)
data = {
"model": model,
"messages": [{"role": "user", "content": prompt}],
"tools": []
}
async with session.post(cls.api_endpoint, json=data, proxy=proxy) as response:
response.raise_for_status()
async for line in response.content:
if line:
decoded_line = line.decode('utf-8')
if decoded_line.startswith('data:'):
try:
data = json.loads(decoded_line[5:])
if data['type'] == 'text-delta':
yield data['textDelta']
elif data['type'] == 'done':
break
except json.JSONDecodeError:
continue
