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from __future__ import annotations
from curl_cffi.requests import AsyncSession, Response
from typing import AsyncGenerator, Any
from functools import partialmethod
import json
class StreamResponse:
"""
A wrapper class for handling asynchronous streaming responses.
Attributes:
inner (Response): The original Response object.
"""
def __init__(self, inner: Response) -> None:
"""Initialize the StreamResponse with the provided Response object."""
self.inner: Response = inner
async def text(self) -> str:
"""Asynchronously get the response text."""
return await self.inner.atext()
def raise_for_status(self) -> None:
"""Raise an HTTPError if one occurred."""
self.inner.raise_for_status()
async def json(self, **kwargs) -> Any:
"""Asynchronously parse the JSON response content."""
return json.loads(await self.inner.acontent(), **kwargs)
async def iter_lines(self) -> AsyncGenerator[bytes, None]:
"""Asynchronously iterate over the lines of the response."""
async for line in self.inner.aiter_lines():
yield line
async def iter_content(self) -> AsyncGenerator[bytes, None]:
"""Asynchronously iterate over the response content."""
async for chunk in self.inner.aiter_content():
yield chunk
async def __aenter__(self):
"""Asynchronously enter the runtime context for the response object."""
inner: Response = await self.inner
self.inner = inner
self.request = inner.request
self.status_code: int = inner.status_code
self.reason: str = inner.reason
self.ok: bool = inner.ok
self.headers = inner.headers
self.cookies = inner.cookies
return self
async def __aexit__(self, *args):
"""Asynchronously exit the runtime context for the response object."""
await self.inner.aclose()
class StreamSession(AsyncSession):
"""
An asynchronous session class for handling HTTP requests with streaming.
Inherits from AsyncSession.
"""
def request(
self, method: str, url: str, **kwargs
) -> StreamResponse:
"""Create and return a StreamResponse object for the given HTTP request."""
return StreamResponse(super().request(method, url, stream=True, **kwargs))
# Defining HTTP methods as partial methods of the request method.
head = partialmethod(request, "HEAD")
get = partialmethod(request, "GET")
post = partialmethod(request, "POST")
put = partialmethod(request, "PUT")
patch = partialmethod(request, "PATCH")
delete = partialmethod(request, "DELETE")
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