From 0204ffd2b8947404cd908b70e63e18607cc95e31 Mon Sep 17 00:00:00 2001
From: kqlio67 <166700875+kqlio67@users.noreply.github.com>
Date: Tue, 30 Jul 2024 01:15:36 +0300
Subject: Adding a new FreeNetfly provider

---
 g4f/Provider/FreeNetfly.py | 107 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 g4f/Provider/FreeNetfly.py

(limited to 'g4f/Provider/FreeNetfly.py')

diff --git a/g4f/Provider/FreeNetfly.py b/g4f/Provider/FreeNetfly.py
new file mode 100644
index 00000000..624f33cf
--- /dev/null
+++ b/g4f/Provider/FreeNetfly.py
@@ -0,0 +1,107 @@
+from __future__ import annotations
+
+import json
+import asyncio
+from aiohttp import ClientSession, ClientTimeout, ClientError
+from typing import AsyncGenerator
+
+from ..typing import AsyncResult, Messages
+from .base_provider import AsyncGeneratorProvider, ProviderModelMixin
+
+
+class FreeNetfly(AsyncGeneratorProvider, ProviderModelMixin):
+    url = "https://free.netfly.top"
+    api_endpoint = "/api/openai/v1/chat/completions"
+    working = True
+    supports_gpt_35_turbo = True
+    supports_gpt_4 = True
+    default_model = 'gpt-3.5-turbo'
+    models = [
+        'gpt-3.5-turbo',
+        'gpt-4',
+    ]
+
+    @classmethod
+    async def create_async_generator(
+        cls,
+        model: str,
+        messages: Messages,
+        proxy: str = None,
+        **kwargs
+    ) -> AsyncResult:
+        headers = {
+            "accept": "application/json, text/event-stream",
+            "accept-language": "en-US,en;q=0.9",
+            "content-type": "application/json",
+            "dnt": "1",
+            "origin": cls.url,
+            "referer": f"{cls.url}/",
+            "sec-ch-ua": '"Not/A)Brand";v="8", "Chromium";v="126"',
+            "sec-ch-ua-mobile": "?0",
+            "sec-ch-ua-platform": '"Linux"',
+            "sec-fetch-dest": "empty",
+            "sec-fetch-mode": "cors",
+            "sec-fetch-site": "same-origin",
+            "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36",
+        }
+        data = {
+            "messages": messages,
+            "stream": True,
+            "model": model,
+            "temperature": 0.5,
+            "presence_penalty": 0,
+            "frequency_penalty": 0,
+            "top_p": 1
+        }
+        
+        max_retries = 3
+        retry_delay = 1
+
+        for attempt in range(max_retries):
+            try:
+                async with ClientSession(headers=headers) as session:
+                    timeout = ClientTimeout(total=60)
+                    async with session.post(f"{cls.url}{cls.api_endpoint}", json=data, proxy=proxy, timeout=timeout) as response:
+                        response.raise_for_status()
+                        async for chunk in cls._process_response(response):
+                            yield chunk
+                        return  # If successful, exit the function
+            except (ClientError, asyncio.TimeoutError) as e:
+                if attempt == max_retries - 1:
+                    raise  # If all retries failed, raise the last exception
+                await asyncio.sleep(retry_delay)
+                retry_delay *= 2  # Exponential backoff
+
+    @classmethod
+    async def _process_response(cls, response) -> AsyncGenerator[str, None]:
+        buffer = ""
+        async for line in response.content:
+            buffer += line.decode('utf-8')
+            if buffer.endswith('\n\n'):
+                for subline in buffer.strip().split('\n'):
+                    if subline.startswith('data: '):
+                        if subline == 'data: [DONE]':
+                            return
+                        try:
+                            data = json.loads(subline[6:])
+                            content = data['choices'][0]['delta'].get('content')
+                            if content:
+                                yield content
+                        except json.JSONDecodeError:
+                            print(f"Failed to parse JSON: {subline}")
+                        except KeyError:
+                            print(f"Unexpected JSON structure: {data}")
+                buffer = ""
+        
+        # Process any remaining data in the buffer
+        if buffer:
+            for subline in buffer.strip().split('\n'):
+                if subline.startswith('data: ') and subline != 'data: [DONE]':
+                    try:
+                        data = json.loads(subline[6:])
+                        content = data['choices'][0]['delta'].get('content')
+                        if content:
+                            yield content
+                    except (json.JSONDecodeError, KeyError):
+                        pass
+
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