How to use get_all_subclasses method in localstack

Best Python code snippet using localstack_python

utils.py

Source:utils.py

1from abc import ABC, abstractmethod2from typing import TypeVar, Set3T = TypeVar("T")4def get_all_subclasses(cls: T) -> Set[T]:5    all_subclasses = set()6    for subclass in cls.__subclasses__():7        all_subclasses.add(subclass)8        all_subclasses.update(get_all_subclasses(subclass))9    return all_subclasses10class classproperty:11    def __init__(self, method=None):12        self.fget = method13    def __get__(self, instance, cls=None):14        return self.fget(cls)15    def getter(self, method):16        self.fget = method17        return self18class Categorizable(ABC):19    @classproperty20    @abstractmethod21    def category(cls) -> str:22        pass23    @classmethod24    def for_category(cls: T, category: str) -> T:25        for subclass in get_all_subclasses(cls):26            if subclass.category == category:27                return subclass28        raise ValueError(f'Subclass for category "{category}" not found.')29    @classproperty30    def all_categories(cls) -> Set[str]:31        return {clss.category for clss in get_all_subclasses(cls)}32    def __eq__(self, other):33        return (34            isinstance(other, Categorizable)35            and self.category == other.category36        )37    def __hash__(self) -> int:...

get_all_subclasses.py

Source:get_all_subclasses.py

1#!/usr/bin/env python32# -*- coding: utf-8 -*-3__author__ = 'ipetrash'4# SOURCE: https://stackoverflow.com/a/17246726/59097925def get_all_subclasses(cls):6    all_subclasses = []7    for subclass in cls.__subclasses__():8        all_subclasses.append(subclass)9        all_subclasses.extend(get_all_subclasses(subclass))10    return all_subclasses11if __name__ == '__main__':12    class A:13        name = 'A'14    class B(A):15        name = 'AB'16    class C(A):17        name = 'AC'18    class D(C):19        name = 'ACD'20    class E(C):21        name = 'ACE'22    class F(D):23        name = 'ACDF'24    print(get_all_subclasses(A))  # [<class '__main__.B'>, <class '__main__.C'>, <class '__main__.D'>,...25    print(get_all_subclasses(B))  # []...

test_subclasses.py

Source:test_subclasses.py

...3    class A0:4        pass5    class B0:6        pass7    assert get_all_subclasses(A0) == set()8    class A1(A0):9        pass10    class B1(B0):11        pass12    class A2(A1):13        pass14    class M1(A0, B1):15        pass16    class M2(A2, B0):17        pass18    assert get_all_subclasses(A0) == {A1, A2, M1, M2}19    assert get_all_subclasses(B0) == {B1, M1, M2}...

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