Mercurial > hg
view mercurial/typelib.py @ 51010:c690d2cc7f36
changelog: make the `_delayopener` a real proxy
We use the same approach as the `_divertopener`. This make it possible to use
other methods of the vfs and not just the `__call__` API.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Mon, 25 Sep 2023 11:59:38 +0200 |
parents | 8147abc05794 |
children | f3b34386d3e0 |
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# typelib.py - type hint aliases and support # # Copyright 2022 Matt Harbison <matt_harbison@yahoo.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. import typing # Note: this is slightly different from pycompat.TYPE_CHECKING, as using # pycompat causes the BinaryIO_Proxy type to be resolved to ``object`` when # used as the base class during a pytype run. TYPE_CHECKING = typing.TYPE_CHECKING # The BinaryIO class provides empty methods, which at runtime means that # ``__getattr__`` on the proxy classes won't get called for the methods that # should delegate to the internal object. So to avoid runtime changes because # of the required typing inheritance, just use BinaryIO when typechecking, and # ``object`` otherwise. if TYPE_CHECKING: from typing import ( BinaryIO, ) BinaryIO_Proxy = BinaryIO else: BinaryIO_Proxy = object