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54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
from __future__ import annotations
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from importlib.metadata import version
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__all__ = [
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"inject_into_urllib3",
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"extract_from_urllib3",
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]
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import typing
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orig_HTTPSConnection: typing.Any = None
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def inject_into_urllib3() -> None:
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# First check if h2 version is valid
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h2_version = version("h2")
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if not h2_version.startswith("4."):
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raise ImportError(
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"urllib3 v2 supports h2 version 4.x.x, currently "
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f"the 'h2' module is compiled with {h2_version!r}. "
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"See: https://github.com/urllib3/urllib3/issues/3290"
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)
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# Import here to avoid circular dependencies.
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from .. import connection as urllib3_connection
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from .. import util as urllib3_util
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from ..connectionpool import HTTPSConnectionPool
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from ..util import ssl_ as urllib3_util_ssl
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from .connection import HTTP2Connection
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global orig_HTTPSConnection
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orig_HTTPSConnection = urllib3_connection.HTTPSConnection
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HTTPSConnectionPool.ConnectionCls = HTTP2Connection
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urllib3_connection.HTTPSConnection = HTTP2Connection # type: ignore[misc]
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# TODO: Offer 'http/1.1' as well, but for testing purposes this is handy.
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urllib3_util.ALPN_PROTOCOLS = ["h2"]
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urllib3_util_ssl.ALPN_PROTOCOLS = ["h2"]
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def extract_from_urllib3() -> None:
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from .. import connection as urllib3_connection
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from .. import util as urllib3_util
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from ..connectionpool import HTTPSConnectionPool
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from ..util import ssl_ as urllib3_util_ssl
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HTTPSConnectionPool.ConnectionCls = orig_HTTPSConnection
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urllib3_connection.HTTPSConnection = orig_HTTPSConnection # type: ignore[misc]
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urllib3_util.ALPN_PROTOCOLS = ["http/1.1"]
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urllib3_util_ssl.ALPN_PROTOCOLS = ["http/1.1"]
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