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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2024-02-17 03:48
__init__.py	868 B	-rw-r--r--	2022-01-02 09:29
platform_.py	2.16 KB	-rw-r--r--	2022-01-02 09:29
properties.py	1.29 KB	-rw-r--r--	2022-01-02 09:29

Rename

from collections import abc

class ClassProperty(property):
    """
    An implementation of a property callable on a class. Used to decorate a
    classmethod but to then treat it like a property.

Example:

>>> class MyClass:
    ...    @ClassProperty
    ...    @classmethod
    ...    def skillz(cls):
    ...        return cls.__name__.startswith('My')
    >>> MyClass.skillz
    True
    >>> class YourClass(MyClass): pass
    >>> YourClass.skillz
    False
    """

def __get__(self, cls, owner):
        return self.fget.__get__(None, owner)()

# borrowed from jaraco.util.dictlib

class NonDataProperty:
    """Much like the property builtin, but only implements __get__,
    making it a non-data property, and can be subsequently reset.

See http://users.rcn.com/python/download/Descriptor.htm for more
    information.

>>> class X:
    ...   @NonDataProperty
    ...   def foo(self):
    ...     return 3
    >>> x = X()
    >>> x.foo
    3
    >>> x.foo = 4
    >>> x.foo
    4
    """

def __init__(self, fget):
        assert fget is not None, "fget cannot be none"
        assert isinstance(fget, abc.Callable), "fget must be callable"
        self.fget = fget

def __get__(self, obj, objtype=None):
        if obj is None:
            return self
        return self.fget(obj)