Function getmembers

traitlets/traitlets.py:241–258

A safe version of inspect.getmembers that handles missing attributes. This is useful when there are descriptor based attributes that for some reason raise AttributeError even though they exist. This happens in zope.interface with the __provides__ attribute.

(object: t.Any, predicate: t.Any = None)

def getmembers(object: t.Any, predicate: t.Any = None) -> list[tuple[str, t.Any]]:
    """A safe version of inspect.getmembers that handles missing attributes.

    This is useful when there are descriptor based attributes that for
    some reason raise AttributeError even though they exist.  This happens
    in zope.interface with the __provides__ attribute.
    """
    results = []
    for key in dir(object):
        try:
            value = getattr(object, key)
        except AttributeError:
            pass
        else:
            if not predicate or predicate(value):
                results.append((key, value))
    results.sort()
    return results


def _validate_link(*tuples: t.Any) -> None: