Python copy_docstring示例

示例#1

def test_copy_docstring_conflict():
    def func():  # pragma: NO COVER
        """existing docstring"""
        pass

    with pytest.raises(ValueError):
        _helpers.copy_docstring(SourceClass)(func)

示例#2

def test_copy_docstring_success():
    def func():  # pragma: NO COVER
        pass

    _helpers.copy_docstring(SourceClass)(func)

    assert func.__doc__ == SourceClass.func.__doc__

示例#3

def test_copy_docstring_non_existing():
    def func2():  # pragma: NO COVER
        pass

    with pytest.raises(AttributeError):
        _helpers.copy_docstring(SourceClass)(func2)