Python 类变动的钩子方法 属性方法

Python 类变动的钩子方法

from typing import List


class Field:
    def __init__(self, name, is_user=False):
        self.name = name
        self.is_user = is_user

    def __str__(self):
        return f'name={self.name},is_user={self.is_user}'


class FieldQueue:
    def __init__(self, not_born_queue=False):
        self.q: List[Field] = []
        self.exist_origin_name = {}
        self.not_born_queue = not_born_queue

    def append(self, a: Field):
        self.q.append(a)

    def __str__(self):
        return f'size={len(self.q)}'

    @property
    def user_queue(self):
        if self.not_born_queue:
            return
        q = FieldQueue(not_born_queue=False)
        for i in self.q:
            if i.is_user:
                q.append(i)
        return q

    @property
    def event_queue(self):
        if self.not_born_queue:
            return
        q = FieldQueue(not_born_queue=True)
        for i in self.q:
            if not i.is_user:
                q.append(i)
        return q


lst: List[Field] = []
for i in (('a', True), ('b', True), ('c', False), ('d', False)):
    lst.append(Field(i[0], i[1]))
case = FieldQueue()
for f in lst:
    case.append(f)

Python属性和方法  https://segmentfault.com/a/1190000044061768

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