Mercurial > repos > shellac > sam_consensus_v3
view env/lib/python3.9/site-packages/pip/_internal/utils/models.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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"""Utilities for defining models """ # The following comment should be removed at some point in the future. # mypy: disallow-untyped-defs=False import operator class KeyBasedCompareMixin: """Provides comparison capabilities that is based on a key """ __slots__ = ['_compare_key', '_defining_class'] def __init__(self, key, defining_class): self._compare_key = key self._defining_class = defining_class def __hash__(self): return hash(self._compare_key) def __lt__(self, other): return self._compare(other, operator.__lt__) def __le__(self, other): return self._compare(other, operator.__le__) def __gt__(self, other): return self._compare(other, operator.__gt__) def __ge__(self, other): return self._compare(other, operator.__ge__) def __eq__(self, other): return self._compare(other, operator.__eq__) def _compare(self, other, method): if not isinstance(other, self._defining_class): return NotImplemented return method(self._compare_key, other._compare_key)