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87 lines
2.5 KiB
Python
87 lines
2.5 KiB
Python
from __future__ import annotations
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import typing
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from types import TracebackType
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from .._models import Request, Response
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T = typing.TypeVar("T", bound="BaseTransport")
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A = typing.TypeVar("A", bound="AsyncBaseTransport")
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__all__ = ["AsyncBaseTransport", "BaseTransport"]
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class BaseTransport:
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def __enter__(self: T) -> T:
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return self
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def __exit__(
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self,
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exc_type: type[BaseException] | None = None,
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exc_value: BaseException | None = None,
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traceback: TracebackType | None = None,
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) -> None:
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self.close()
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def handle_request(self, request: Request) -> Response:
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"""
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Send a single HTTP request and return a response.
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Developers shouldn't typically ever need to call into this API directly,
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since the Client class provides all the higher level user-facing API
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niceties.
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In order to properly release any network resources, the response
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stream should *either* be consumed immediately, with a call to
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`response.stream.read()`, or else the `handle_request` call should
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be followed with a try/finally block to ensuring the stream is
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always closed.
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Example usage:
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with httpx.HTTPTransport() as transport:
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req = httpx.Request(
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method=b"GET",
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url=(b"https", b"www.example.com", 443, b"/"),
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headers=[(b"Host", b"www.example.com")],
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)
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resp = transport.handle_request(req)
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body = resp.stream.read()
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print(resp.status_code, resp.headers, body)
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Takes a `Request` instance as the only argument.
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Returns a `Response` instance.
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"""
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raise NotImplementedError(
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"The 'handle_request' method must be implemented."
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) # pragma: no cover
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def close(self) -> None:
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pass
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class AsyncBaseTransport:
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async def __aenter__(self: A) -> A:
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return self
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async def __aexit__(
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self,
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exc_type: type[BaseException] | None = None,
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exc_value: BaseException | None = None,
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traceback: TracebackType | None = None,
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) -> None:
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await self.aclose()
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async def handle_async_request(
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self,
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request: Request,
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) -> Response:
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raise NotImplementedError(
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"The 'handle_async_request' method must be implemented."
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) # pragma: no cover
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async def aclose(self) -> None:
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pass
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