mirror of https://github.com/xtekky/gpt4free.git
181 lines
6.2 KiB
Python
181 lines
6.2 KiB
Python
from __future__ import annotations
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import warnings
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import json
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import asyncio
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from functools import partialmethod
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from asyncio import Future, Queue
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from typing import AsyncGenerator, Union, Optional
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from curl_cffi.requests import AsyncSession, Response
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import curl_cffi
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is_newer_0_5_8: bool = hasattr(AsyncSession, "_set_cookies") or hasattr(curl_cffi.requests.Cookies, "get_cookies_for_curl")
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is_newer_0_5_9: bool = hasattr(curl_cffi.AsyncCurl, "remove_handle")
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is_newer_0_5_10: bool = hasattr(AsyncSession, "release_curl")
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class StreamResponse:
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def __init__(self, inner: Response, queue: Queue[bytes]) -> None:
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self.inner: Response = inner
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self.queue: Queue[bytes] = queue
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self.request = inner.request
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self.status_code: int = inner.status_code
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self.reason: str = inner.reason
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self.ok: bool = inner.ok
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self.headers = inner.headers
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self.cookies = inner.cookies
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async def text(self) -> str:
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content: bytes = await self.read()
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return content.decode()
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def raise_for_status(self) -> None:
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if not self.ok:
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raise RuntimeError(f"HTTP Error {self.status_code}: {self.reason}")
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async def json(self, **kwargs) -> dict:
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return json.loads(await self.read(), **kwargs)
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async def iter_lines(
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self, chunk_size: Optional[int] = None, decode_unicode: bool = False, delimiter: Optional[str] = None
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) -> AsyncGenerator[bytes, None]:
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"""
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Copied from: https://requests.readthedocs.io/en/latest/_modules/requests/models/
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which is under the License: Apache 2.0
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"""
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pending: bytes = None
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async for chunk in self.iter_content(
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chunk_size=chunk_size, decode_unicode=decode_unicode
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):
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if pending is not None:
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chunk = pending + chunk
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if delimiter:
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lines = chunk.split(delimiter)
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else:
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lines = chunk.splitlines()
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if lines and lines[-1] and chunk and lines[-1][-1] == chunk[-1]:
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pending = lines.pop()
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else:
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pending = None
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for line in lines:
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yield line
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if pending is not None:
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yield pending
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async def iter_content(
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self, chunk_size: Optional[int] = None, decode_unicode: bool = False
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) -> AsyncGenerator[bytes, None]:
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if chunk_size:
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warnings.warn("chunk_size is ignored, there is no way to tell curl that.")
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if decode_unicode:
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raise NotImplementedError()
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while True:
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chunk = await self.queue.get()
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if chunk is None:
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return
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yield chunk
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async def read(self) -> bytes:
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return b"".join([chunk async for chunk in self.iter_content()])
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class StreamRequest:
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def __init__(self, session: AsyncSession, method: str, url: str, **kwargs: Union[bool, int, str]) -> None:
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self.session: AsyncSession = session
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self.loop: asyncio.AbstractEventLoop = session.loop if session.loop else asyncio.get_running_loop()
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self.queue: Queue[bytes] = Queue()
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self.method: str = method
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self.url: str = url
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self.options: dict = kwargs
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self.handle: Optional[curl_cffi.AsyncCurl] = None
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def _on_content(self, data: bytes) -> None:
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if not self.enter.done():
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self.enter.set_result(None)
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self.queue.put_nowait(data)
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def _on_done(self, task: Future) -> None:
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if not self.enter.done():
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self.enter.set_result(None)
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self.queue.put_nowait(None)
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self.loop.call_soon(self.release_curl)
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async def fetch(self) -> StreamResponse:
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if self.handle:
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raise RuntimeError("Request already started")
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self.curl: curl_cffi.AsyncCurl = await self.session.pop_curl()
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self.enter: asyncio.Future = self.loop.create_future()
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if is_newer_0_5_10:
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request, _, header_buffer, _, _ = self.session._set_curl_options(
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self.curl,
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self.method,
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self.url,
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content_callback=self._on_content,
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**self.options
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)
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else:
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request, _, header_buffer = self.session._set_curl_options(
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self.curl,
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self.method,
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self.url,
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content_callback=self._on_content,
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**self.options
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)
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if is_newer_0_5_9:
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self.handle = self.session.acurl.add_handle(self.curl)
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else:
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await self.session.acurl.add_handle(self.curl, False)
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self.handle = self.session.acurl._curl2future[self.curl]
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self.handle.add_done_callback(self._on_done)
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# Wait for headers
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await self.enter
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# Raise exceptions
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if self.handle.done():
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self.handle.result()
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if is_newer_0_5_8:
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response = self.session._parse_response(self.curl, _, header_buffer)
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response.request = request
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else:
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response = self.session._parse_response(self.curl, request, _, header_buffer)
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return StreamResponse(response, self.queue)
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async def __aenter__(self) -> StreamResponse:
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return await self.fetch()
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async def __aexit__(self, *args) -> None:
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self.release_curl()
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def release_curl(self) -> None:
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if is_newer_0_5_10:
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self.session.release_curl(self.curl)
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return
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if not self.curl:
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return
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self.curl.clean_after_perform()
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if is_newer_0_5_9:
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self.session.acurl.remove_handle(self.curl)
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elif not self.handle.done() and not self.handle.cancelled():
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self.session.acurl.set_result(self.curl)
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self.curl.reset()
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self.session.push_curl(self.curl)
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self.curl = None
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class StreamSession(AsyncSession):
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def request(
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self, method: str, url: str, **kwargs
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) -> StreamRequest:
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return StreamRequest(self, method, url, **kwargs)
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head = partialmethod(request, "HEAD")
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get = partialmethod(request, "GET")
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post = partialmethod(request, "POST")
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put = partialmethod(request, "PUT")
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patch = partialmethod(request, "PATCH")
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delete = partialmethod(request, "DELETE") |