Update __init__.py

g4f/api/__init__.py

@@ -1,129 +1,87 @@
-import typing
+from fastapi                  import FastAPI, Response, Request
-from .. import BaseProvider
+from fastapi.middleware.cors  import CORSMiddleware
-import g4f; g4f.debug.logging = True
+from typing                   import List, Union, Any, Dict, AnyStr
+from ._tokenizer              import tokenize
+import sqlite3
+import g4f
 import time
 import json
 import random
 import string
-import logging
+import uvicorn
+import nest_asyncio
 
-from typing                        import Union
+app = FastAPI()
-from loguru                        import logger
+nest_asyncio.apply()
-from waitress                      import serve
-from ._logging                     import hook_logging
-from ._tokenizer                   import tokenize
-from flask_cors                    import CORS
-from werkzeug.serving              import WSGIRequestHandler
-from werkzeug.exceptions           import default_exceptions
-from werkzeug.middleware.proxy_fix import ProxyFix
 
-from flask                         import (
+origins = [
-    Flask, 
+    "http://localhost",
-    jsonify, 
+    "http://localhost:1337",
-    make_response, 
+]
-    request,
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=origins,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
 )
 
-class Api:
+JSONObject = Dict[AnyStr, Any]
-    __default_ip   = '127.0.0.1'
+JSONArray = List[Any]
-    __default_port = 1337
+JSONStructure = Union[JSONArray, JSONObject]
 
-    def __init__(self, engine: g4f, debug: bool = True, sentry: bool = False,
+@app.get("/")
-                 list_ignored_providers:typing.List[typing.Union[str, BaseProvider]]=None) -> None:
+async def read_root():
-        self.engine    = engine
+    return Response(content=json.dumps({"info": "G4F API"}, indent=4), media_type="application/json")
-        self.debug     = debug
-        self.sentry    = sentry
-        self.list_ignored_providers     = list_ignored_providers
-        self.log_level = logging.DEBUG if debug else logging.WARN
 
-        hook_logging(level=self.log_level, format='[%(asctime)s] %(levelname)s in %(module)s: %(message)s')
+@app.get("/v1")
-        self.logger = logging.getLogger('waitress')
+async def read_root_v1():
+    return Response(content=json.dumps({"info": "Go to /v1/chat/completions or /v1/models."}, indent=4), media_type="application/json")
 
-        self.app = Flask(__name__)
+@app.get("/v1/models")
-        self.app.wsgi_app = ProxyFix(self.app.wsgi_app, x_port=1)
+async def models():
-        self.app.after_request(self.__after_request)
+    model_list = [{
+        'id': model,
+        'object': 'model',
+        'created': 0,
+        'owned_by': 'g4f'} for model in g4f.Model.__all__()]
 
-    def run(self, bind_str, threads=8):
+    return Response(content=json.dumps({
-        host, port = self.__parse_bind(bind_str)
+        'object': 'list',
+        'data': model_list}, indent=4), media_type="application/json")
 
-        CORS(self.app, resources={r'/v1/*': {'supports_credentials': True, 'expose_headers': [
+@app.get("/v1/models/{model_name}")
-            'Content-Type',
+async def model_info(model_name: str):
-            'Authorization',
-            'X-Requested-With',
-            'Accept',
-            'Origin',
-            'Access-Control-Request-Method',
-            'Access-Control-Request-Headers',
-            'Content-Disposition'], 'max_age': 600}})
-
-        self.app.route('/v1/models',           methods=['GET'])(self.models)
-        self.app.route('/v1/models/<model_id>', methods=['GET'])(self.model_info)
-
-        self.app.route('/v1/chat/completions', methods=['POST'])(self.chat_completions)
-        self.app.route('/v1/completions',      methods=['POST'])(self.completions)
-
-        for ex in default_exceptions:
-            self.app.register_error_handler(ex, self.__handle_error)
-
-        if not self.debug:
-            self.logger.warning(f'Serving on http://{host}:{port}')
-
-        WSGIRequestHandler.protocol_version = 'HTTP/1.1'
-        serve(self.app, host=host, port=port, ident=None, threads=threads)
-    
-    def __handle_error(self, e: Exception):
-        self.logger.error(e)
-
-        return make_response(jsonify({
-            'code': e.code,
-            'message': str(e.original_exception if self.debug and hasattr(e, 'original_exception') else e.name)}), 500)
-    
-    @staticmethod
-    def __after_request(resp):
-        resp.headers['X-Server'] = f'g4f/{g4f.version}'
-
-        return resp
-    
-    def __parse_bind(self, bind_str):
-        sections = bind_str.split(':', 2)
-        if len(sections) < 2:
     try:
-                port = int(sections[0])
+        model_info = (g4f.ModelUtils.convert[model_name])
-                return self.__default_ip, port
-            except ValueError:
-                return sections[0], self.__default_port
 
-        return sections[0], int(sections[1])
+        return Response(content=json.dumps({
+            'id': model_name,
+            'object': 'model',
+            'created': 0,
+            'owned_by': model_info.base_provider
+        }, indent=4), media_type="application/json")
+    except:
+        return Response(content=json.dumps({"error": "The model does not exist."}, indent=4), media_type="application/json")
 
-    async def home(self):
+@app.post("/v1/chat/completions")
-        return 'Hello world | https://127.0.0.1:1337/v1'
+async def chat_completions(request: Request, item: JSONStructure = None):
 
-    async def chat_completions(self):
+    item_data = {
-        model    = request.json.get('model', 'gpt-3.5-turbo')
+        'model': 'gpt-3.5-turbo',
-        stream   = request.json.get('stream', False)
+        'stream': False,
-        messages = request.json.get('messages')
+    }
     
-        logger.info(f'model: {model}, stream: {stream}, request: {messages[-1]["content"]}')
+    item_data.update(item or {})
-
+    model = item_data.get('model')
-        config = None
+    stream = item_data.get('stream')
-        proxy = None
+    messages = item_data.get('messages')
 
     try:
-            config = json.load(open("config.json","r",encoding="utf-8"))
+        response = g4f.ChatCompletion.create(model=model, stream=stream, messages=messages)
-            proxy = config["proxy"]
+    except:
-
+        return Response(content=json.dumps({"error": "An error occurred while generating the response."}, indent=4), media_type="application/json")
-        except Exception:
-            pass
-
-        if proxy != None:
-            response = self.engine.ChatCompletion.create(model=model,
-                                                        stream=stream, messages=messages,
-                                                        ignored=self.list_ignored_providers,
-                                                        proxy=proxy)
-        else:
-            response = self.engine.ChatCompletion.create(model=model,
-                                                        stream=stream, messages=messages,
-                                                        ignored=self.list_ignored_providers)
 
     completion_id = ''.join(random.choices(string.ascii_letters + string.digits, k=28))
     completion_timestamp = int(time.time())
@@ -132,7 +90,7 @@ class Api:
         prompt_tokens, _ = tokenize(''.join([message['content'] for message in messages]))
         completion_tokens, _ = tokenize(response)
 
-            return {
+        json_data = {
             'id': f'chatcmpl-{completion_id}',
             'object': 'chat.completion',
             'created': completion_timestamp,
@@ -154,6 +112,8 @@ class Api:
             },
         }
 
+        return Response(content=json.dumps(json_data, indent=4), media_type="application/json")
+
     def streaming():
         try:
             for chunk in response:
@@ -194,34 +154,15 @@ class Api:
             content = json.dumps(end_completion_data, separators=(',', ':'))
             yield f'data: {content}\n\n'
 
-                logger.success(f'model: {model}, stream: {stream}')
-            
         except GeneratorExit:
             pass
 
-        return self.app.response_class(streaming(), mimetype='text/event-stream')
+    return Response(content=json.dumps(streaming(), indent=4), media_type="application/json")
 
-    async def completions(self):
+@app.post("/v1/completions")
-        return 'not working yet', 500
+async def completions():
-    
+    return Response(content=json.dumps({'info': 'Not working yet.'}, indent=4), media_type="application/json")
-    async def model_info(self, model_name):
-        model_info = (g4f.ModelUtils.convert[model_name])
-    
-        return jsonify({
-            'id'       : model_name,
-            'object'   : 'model',
-            'created'  : 0,
-            'owned_by' : model_info.base_provider
-        })
-    
-    async def models(self):
-        model_list = [{
-            'id'        : model,
-            'object'    : 'model',
-            'created'   : 0,
-            'owned_by'  : 'g4f'} for model in g4f.Model.__all__()]
-            
-        return jsonify({
-            'object': 'list',
-            'data': model_list})
 
+def run(ip):
+    split_ip = ip.split(":")
+    uvicorn.run(app, host=split_ip[0], port=int(split_ip[1]), use_colors=False, loop='asyncio')