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