| Server IP : 185.124.137.6 / Your IP : 216.73.217.131 Web Server : LiteSpeed System : Linux id-dci-web1986.main-hosting.eu 5.14.0-611.26.1.el9_7.x86_64 #1 SMP PREEMPT_DYNAMIC Thu Jan 29 05:24:47 EST 2026 x86_64 User : u686484674 ( 686484674) PHP Version : 8.0.30 Disable Function : system, exec, shell_exec, passthru, mysql_list_dbs, ini_alter, dl, symlink, link, chgrp, leak, popen, apache_child_terminate, virtual, mb_send_mail MySQL : OFF | cURL : ON | WGET : ON | Perl : OFF | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /opt/alt/python311/lib/python3.11/site-packages/pip/_internal/utils/ |
Upload File : |
"""Utilities for defining models
"""
import operator
from typing import Any, Callable, Type
class KeyBasedCompareMixin:
"""Provides comparison capabilities that is based on a key"""
__slots__ = ["_compare_key", "_defining_class"]
def __init__(self, key: Any, defining_class: Type["KeyBasedCompareMixin"]) -> None:
self._compare_key = key
self._defining_class = defining_class
def __hash__(self) -> int:
return hash(self._compare_key)
def __lt__(self, other: Any) -> bool:
return self._compare(other, operator.__lt__)
def __le__(self, other: Any) -> bool:
return self._compare(other, operator.__le__)
def __gt__(self, other: Any) -> bool:
return self._compare(other, operator.__gt__)
def __ge__(self, other: Any) -> bool:
return self._compare(other, operator.__ge__)
def __eq__(self, other: Any) -> bool:
return self._compare(other, operator.__eq__)
def _compare(self, other: Any, method: Callable[[Any, Any], bool]) -> bool:
if not isinstance(other, self._defining_class):
return NotImplemented
return method(self._compare_key, other._compare_key)