Mercurial > repos > guerler > springsuite
comparison planemo/lib/python3.7/site-packages/pip/_internal/utils/models.py @ 1:56ad4e20f292 draft
"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
| author | guerler |
|---|---|
| date | Fri, 31 Jul 2020 00:32:28 -0400 |
| parents | |
| children |
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| 0:d30785e31577 | 1:56ad4e20f292 |
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| 1 """Utilities for defining models | |
| 2 """ | |
| 3 | |
| 4 import operator | |
| 5 | |
| 6 | |
| 7 class KeyBasedCompareMixin(object): | |
| 8 """Provides comparison capabilities that is based on a key | |
| 9 """ | |
| 10 | |
| 11 def __init__(self, key, defining_class): | |
| 12 self._compare_key = key | |
| 13 self._defining_class = defining_class | |
| 14 | |
| 15 def __hash__(self): | |
| 16 return hash(self._compare_key) | |
| 17 | |
| 18 def __lt__(self, other): | |
| 19 return self._compare(other, operator.__lt__) | |
| 20 | |
| 21 def __le__(self, other): | |
| 22 return self._compare(other, operator.__le__) | |
| 23 | |
| 24 def __gt__(self, other): | |
| 25 return self._compare(other, operator.__gt__) | |
| 26 | |
| 27 def __ge__(self, other): | |
| 28 return self._compare(other, operator.__ge__) | |
| 29 | |
| 30 def __eq__(self, other): | |
| 31 return self._compare(other, operator.__eq__) | |
| 32 | |
| 33 def __ne__(self, other): | |
| 34 return self._compare(other, operator.__ne__) | |
| 35 | |
| 36 def _compare(self, other, method): | |
| 37 if not isinstance(other, self._defining_class): | |
| 38 return NotImplemented | |
| 39 | |
| 40 return method(self._compare_key, other._compare_key) |