Function is_callable

src/attr/validators.py:316–329

A validator that raises a `attrs.exceptions.NotCallableError` if the initializer is called with a value for this particular attribute that is not callable. .. versionadded:: 19.1.0 Raises: attrs.exceptions.NotCallableError: With a human readable error messa

()

def is_callable():
    """
    A validator that raises a `attrs.exceptions.NotCallableError` if the
    initializer is called with a value for this particular attribute that is
    not callable.

    .. versionadded:: 19.1.0

    Raises:
        attrs.exceptions.NotCallableError:
            With a human readable error message containing the attribute
            (`attrs.Attribute`) name, and the value it got.
    """
    return _IsCallableValidator()


@attrs(repr=False, slots=True, unsafe_hash=True)