view mercurial/utils/repoviewutil.py @ 51310:f0e7d51bb454 stable

pycompat: fix bytestr(bytes) in Python 3.11

In Python 3.10, the `bytes` type itself does not have a `__bytes__`
attribute, but it does in 3.11. Yet `bytes(bytes)` does not give
the wished output, so we have to add an exceptional case.

The added case in the doctest reproduces the problem with Python 3.11.

Impact: error treatment in expressions such as `repo[b'invalid']` gets
broken.

# repoviewutil.py - constaints data relevant to repoview.py and other module
#
# Copyright 2012 Pierre-Yves David <[e-mail]>
#                Logilab SA        <[e-mail]>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.


### Nearest subset relation
# Nearest subset of filter X is a filter Y so that:
# * Y is included in X,
# * X - Y is as small as possible.
# This create and ordering used for branchmap purpose.
# the ordering may be partial
subsettable = {
    None: b'visible',
    b'visible-hidden': b'visible',
    b'visible': b'served',
    b'served.hidden': b'served',
    b'served': b'immutable',
    b'immutable': b'base',
}