Mercurial > repos > guerler > hhblits
comparison lib/python3.8/site-packages/pip/_internal/utils/models.py @ 0:9e54283cc701 draft
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
| author | guerler |
|---|---|
| date | Mon, 27 Jul 2020 03:47:31 -0400 |
| parents | |
| children |
comparison
equal
deleted
inserted
replaced
| -1:000000000000 | 0:9e54283cc701 |
|---|---|
| 1 """Utilities for defining models | |
| 2 """ | |
| 3 # The following comment should be removed at some point in the future. | |
| 4 # mypy: disallow-untyped-defs=False | |
| 5 | |
| 6 import operator | |
| 7 | |
| 8 | |
| 9 class KeyBasedCompareMixin(object): | |
| 10 """Provides comparison capabilities that is based on a key | |
| 11 """ | |
| 12 | |
| 13 def __init__(self, key, defining_class): | |
| 14 self._compare_key = key | |
| 15 self._defining_class = defining_class | |
| 16 | |
| 17 def __hash__(self): | |
| 18 return hash(self._compare_key) | |
| 19 | |
| 20 def __lt__(self, other): | |
| 21 return self._compare(other, operator.__lt__) | |
| 22 | |
| 23 def __le__(self, other): | |
| 24 return self._compare(other, operator.__le__) | |
| 25 | |
| 26 def __gt__(self, other): | |
| 27 return self._compare(other, operator.__gt__) | |
| 28 | |
| 29 def __ge__(self, other): | |
| 30 return self._compare(other, operator.__ge__) | |
| 31 | |
| 32 def __eq__(self, other): | |
| 33 return self._compare(other, operator.__eq__) | |
| 34 | |
| 35 def __ne__(self, other): | |
| 36 return self._compare(other, operator.__ne__) | |
| 37 | |
| 38 def _compare(self, other, method): | |
| 39 if not isinstance(other, self._defining_class): | |
| 40 return NotImplemented | |
| 41 | |
| 42 return method(self._compare_key, other._compare_key) |