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Draft.py
139 lines (128 loc) · 2.37 KB
/
Draft.py
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# class A(object): # -> don't forget the object specified as base
#
# def __new__(cls):
# print("A.__new__ called")
# return super(A, cls).__new__(cls)
# # return 20
#
# def __init__(self):
# print("A.__init__ called")
# return 22
#
# print(A())
#
# class B:
# __instance = None
#
# def __new__(cls, name):
# if cls.__instance is None:
# cls.__instance = super().__new__(cls)
# cls.name = name
# return cls.__instance;
#
# def __init__(self, name):
# self.name = name
#
#
# # def get
#
# @classmethod
# def getInstance(cls, name):
# if B.__instance is None:
# B.__instance = B(name)
# return B.__instance
#
# # b1 = B("B1")
# # print("id:", id(b1), " name:", b1.name)
# # b2 = B("B2")
# # print("id:", id(b2), " name:", b2.name)
#
# # b = B("B")
class Foobar(object):
# pass
def __init__(self, name):
self.name = name
print( type(Foobar) )
print(Foobar)
foo = Foobar("Test")
print( type(foo) )
print(foo.name)
foo2 = type(foo)("Text2")
print(foo2.name)
# print("Hello")
print(isinstance(foo, Foobar))
print(isinstance(Foobar, type))
print(isinstance(Foobar, object))
MyClass = type('MyClass', (), {})
print(MyClass)
# T = type
print(type("Test", (), {}))
# class MetaAAA(type):
# pass
# # def __prepare__(metacls, name, bases):
# # pass
#
#
# print(MetaAAA)
#
#
# class MyClassA(metaclass=MetaAAA):
# pass
#
# def test(self):
# b = 5
# b = True
#
# print(type(MyClassA))
#
#
#
# print("=====================")
# class B:
# pass
#
# class C(B):
# pass
#
# c = C()
# print(C.__bases__)
#
#
# print("Base===============")
# print(object.__bases__)
# print(type.__bases__)
# print(type(object))
# print(object.__class__)
# print(type(C))
# print(C.__class__)
#
# print("Callable:")
# print(callable(type))
# print(callable(object))
# print(type(object))
#
#
# print("DD====================")
# class DD:
#
# def __call__(self, *args, **kwargs):
# print("DD.__call__")
# # print(args)
# return self.__class__
#
# def __init__(self, name):
# self.name = name
# #
# # d = DD()
# # d("This is test")
# # DD("This is test")
# # id(d)
#
# # DD = DD()
# # DD("This is test")
# d = DD("Test")
# print(d)
# print(d.name)
# print(callable(DD))
# print(callable(d))
callable()