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revlog: add a Rust implementation of `headrevsdiff`...
revlog: add a Rust implementation of `headrevsdiff` Python implementation of `headrevsdiff` can be very slow in the worst case compared with the `heads` computation it replaces, since the latter is done in Rust. Even the average case of this Python implementation is still noticeable in the profiles. This patch makes the computation much much faster by doing it in Rust.
Matt Harbison - - Load All Authors

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filters.py
51 lines | 1.0 KiB | text/x-python | PythonLexer
/ mercurial / thirdparty / attr / filters.py
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# SPDX-License-Identifier: MIT
"""
Commonly useful filters for `attr.asdict`.
"""
from ._make import Attribute
def _split_what(what):
"""
Returns a tuple of `frozenset`s of classes and attributes.
"""
return (
frozenset(cls for cls in what if isinstance(cls, type)),
frozenset(cls for cls in what if isinstance(cls, Attribute)),
)
def include(*what):
"""
Include *what*.
:param what: What to include.
:type what: `list` of `type` or `attrs.Attribute`\\ s
:rtype: `callable`
"""
cls, attrs = _split_what(what)
def include_(attribute, value):
return value.__class__ in cls or attribute in attrs
return include_
def exclude(*what):
"""
Exclude *what*.
:param what: What to exclude.
:type what: `list` of classes or `attrs.Attribute`\\ s.
:rtype: `callable`
"""
cls, attrs = _split_what(what)
def exclude_(attribute, value):
return value.__class__ not in cls and attribute not in attrs
return exclude_