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)
