如何列出所有类属性

Question

I have class SomeClass with properties. For example id and name :

class SomeClass(object):
    def __init__(self):
        self.__id = None
        self.__name = None

    def get_id(self):
        return self.__id

    def set_id(self, value):
        self.__id = value

    def get_name(self):
        return self.__name

    def set_name(self, value):
        self.__name = value

    id = property(get_id, set_id)
    name = property(get_name, set_name)

What is the easiest way to list properties? I need this for serialization.

Answer 1

property_names=[p for p in dir(SomeClass) if isinstance(getattr(SomeClass,p),property)]

Answer 2

import inspect

def isprop(v):
  return isinstance(v, property)

propnames = [name for (name, value) in inspect.getmembers(SomeClass, isprop)]

inspect.getmembers gets inherited members as well (and selects members by a predicate, here we coded isprop because it's not among the many predefined ones in module inspect ; you could also use a lambda , of course, if you prefer).