Auto generate __str__ for a python class, but with properties instead of attributes

utils.py

"""
With help from:
https://python-forum.io/thread-12462.html
https://stackoverflow.com/a/33800620
"""

import inspect

def auto_str_props(cls):
    properties = []
    for tp in inspect.getmro(cls):
        for name, value in vars(tp).items():
            if isinstance(value, property):
                properties.append(name)

    def __str__(self):
        return '%s(%s)' % (
            type(self).__name__,
            ', '.join('%s=%s' % (name, getattr(self, name)) for name in properties)
        )
    cls.__str__ = __str__
    return cls

# Usage:
@auto_str_props
class Test:
    def __init__(self, foo, bar):
        self._foo = foo
        self._bar = bar

    @property
    def foo(self):
        return self._foo

    @property
    def bar(self):
        return self._bar

t = Test("abc", "def")
print(t)