https://stackoverflow.com/questions/23831510/abstract-attribute-not-property
from better_abc import ABCMeta, abstract_attribute # see below
class AbstractFoo(metaclass=ABCMeta):
@abstract_attribute
def bar(self):
pass
class Foo(AbstractFoo):
def __init__(self):
self.bar = 3
class BadFoo(AbstractFoo):
def __init__(self):
pass
Foo() # ok
BadFoo() # will raise: NotImplementedError: Can't instantiate abstract class BadFoo
# with abstract attributes: bar
If you want other features of ABC they need to be imported from the abc module directly.
from abc import abstractmethod
from better_abc import ABCMeta, abstract_attribute
FAQs
Python ABC plus abstract attributes
We found that better-abc demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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