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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
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 = 5
retry_delay = 2
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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