def options(self, valuegetter=text_type): """Return a generator over the (value, label) pairs, where value is a string associated with each choice. This convenience method is useful to populate, for instance, a form select field. :param valuegetter: Can be a callable or a string. In the former case, it must be a one-argument callable which returns the value of a choice. In the latter case, the string specifies the name of an attribute of the choice objects. Defaults to `str()` or `unicode()`. """ valuegetter = valuegetter if callable(valuegetter) else attrgetter(valuegetter) pairs = zip_longest(self.choices, self.labels, fillvalue='') return ((valuegetter(choice), label) for choice, label in pairs)
def options(self, valuegetter=text_type): """Return a generator over the (value, label) pairs, where value is a string associated with each choice. This convenience method is useful to populate, for instance, a form select field. :param valuegetter: Can be a callable or a string. In the former case, it must be a one-argument callable which returns the value of a choice. In the latter case, the string specifies the name of an attribute of the choice objects. Defaults to `str()` or `unicode()`. """ valuegetter = valuegetter if callable(valuegetter) else attrgetter(valuegetter) pairs = zip_longest(self.choices, self.labels, fillvalue='') return ((valuegetter(choice), label) for choice, label in pairs)