파이썬[Python]: collections.abc - Callable 클래스
collections.abc 모듈 - Callable 클래스(class)
/// 설명
Abstract Base Class 입니다.
# Abstract Methods : __call__
# Minix Methods : None
※ 형식
class collections.abc.Callable
# Abstract Methods : __call__
# Minix Methods : None
※ 형식
class collections.abc.Callable
/// 예제
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | from collections.abc import Callable # ABC(Abstract Base Class): Callable # Abstract Methods : __call__ # Minix Methods : None # first way # A newly written class can inherit directly from one of the abstract base classes. class MyClass1(Callable): # 상속 def __init__(self): # 생성자(Extra method) pass def __call__(self): # 필수(abstract method) return 1 print(issubclass(MyClass1, Callable)) # True test_instance = MyClass1() print(isinstance(test_instance, Callable)) # True # second way # Existing classes and built-in classes can be registered as “virtual subclasses” of the ABCs. # the full API including all of the abstract methods and all of the mixin methods. class MyClass2: def __init__(self): # 생성자(Extra method) pass def __call__(self): # 필수(abstract method) return 1 Callable.register(MyClass2) print(issubclass(MyClass2, Callable)) # True test_instance = MyClass2() print(isinstance(test_instance, Callable)) # True # third way # Some simple interfaces are directly recognizable by the presence of the required methods. class MyClass3: def __call__(self): # 필수(abstract method) return 1 print(issubclass(MyClass2, Callable)) # True test_instance = MyClass2() print(isinstance(test_instance, Callable)) # True | cs |
* 실행환경: Microsoft Windows 10 Homes
* 인터프리터: 파이썬(Python 3.9)
– 당신을 응원합니다. –
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