def __call__(cls, name, field_names = None, verbose=False, rename=False):
"""%s""" % (orig_namedtuple.__doc__,)
if field_names is None:
raise TypeError(("Cannot create instances of the abstract class 'namedtuple'.\n"
"If you want to use this method as a factory to create a namedtuple class,\n"
"you need to include 'field_names' as an array or as a delimited string."))
nt = orig_namedtuple(name, field_names, verbose, rename)
namedtuple.register(nt)
return nt
def __new__(mcls, name, bases, dct):
_fields = dct.pop('_fields', None)
__slots__ = dct.pop('__slots__', ())
if _fields is None:
raise TypeError("Missing required attribute '_fields' for subtype of 'namedtuple'")
if len(bases) > 1:
raise TypeError("multiple inheritance not supported for subtype of 'namedtuple'")
if __slots__ != ():
raise TypeError("nonempty __slots__ not supported for subtype of 'tuple'")
# Create old-school named tuple. Monkeypatch before returning
nt = orig_namedtuple(name, _fields)
for key, value in dct.items():
setattr(nt, key, value)
namedtuple.register(nt)
return nt
