New provider added ChatHub

g4f/Provider/ChatHub.py

@@ -0,0 +1,84 @@
+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