diff options
Diffstat (limited to '.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/utils/models.py')
-rw-r--r-- | .emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/utils/models.py | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/utils/models.py b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/utils/models.py new file mode 100644 index 00000000..fccaf5dd --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/utils/models.py @@ -0,0 +1,40 @@ +"""Utilities for defining models +""" + +import operator + + +class KeyBasedCompareMixin(object): + """Provides comparison capabilities that is based on a key + """ + + 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 __ne__(self, other): + return self._compare(other, operator.__ne__) + + def _compare(self, other, method): + if not isinstance(other, self._defining_class): + return NotImplemented + + return method(self._compare_key, other._compare_key) |