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How to use _must_return method in robotframework-pageobjects

Best Python code snippet using robotframework-pageobjects_python

page.py

Source:page.py

...38    page object is tricky. Instead the binding of the decorated function in the39    meta class happens before the class is instantiated.40    """41    @staticmethod42    def _must_return(f, *args, **kwargs):43        ret = f(*args, **kwargs)44        if ret is None:45            raise exceptions.KeywordReturnsNoneError(46                "You must return either a page object or an appropriate value from the page object method, "47                "'%s'" % f.__name__)48        else:49            return ret50    @classmethod51    def must_return(cls, f):52        # Use decorator module to preserve docstings and signatures for Sphinx53        return decorator.decorator(cls._must_return, f)54    @classmethod55    def _fix_docstrings(cls, bases):56        """ Called from _PageMeta's __new__ method....

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