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Каждый класс Python имеет два «магических» атрибута, которые можно использовать для получения информации о его базовых классах.

Первый — __bases__; он возвращает непосредственных родителей класса:


class A:
pass

class B(A):
pass

class C(A):
pass

class D(B, C):
pass


print(D.__bases__)
# (<class '__main__.B'>, <class '__main__.C'>)


Второй —


class B
он возвращает кортеж со всеми классами, которые задействованы при разрешении методов (отсюда и название), то есть родителей, их родителей и так далее:


print(D.__mro__)
# (<class '__main__.D'>, <class '__main__.B'>, <class '__main__.C'>, <class '__main__.A'>, <class 'object'>)


👉@BookPython



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Каждый класс Python имеет два «магических» атрибута, которые можно использовать для получения информации о его базовых классах.

Первый — __bases__; он возвращает непосредственных родителей класса:


class A:
pass

class B(A):
pass

class C(A):
pass

class D(B, C):
pass


print(D.__bases__)
# (<class '__main__.B'>, <class '__main__.C'>)


Второй —


class B
он возвращает кортеж со всеми классами, которые задействованы при разрешении методов (отсюда и название), то есть родителей, их родителей и так далее:


print(D.__mro__)
# (<class '__main__.D'>, <class '__main__.B'>, <class '__main__.C'>, <class '__main__.A'>, <class 'object'>)


👉@BookPython

BY Библиотека Python разработчика | Книги по питону


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