diff options
Diffstat (limited to 'Lib/typing.py')
| -rw-r--r-- | Lib/typing.py | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/Lib/typing.py b/Lib/typing.py index 8329607..89b73db 100644 --- a/Lib/typing.py +++ b/Lib/typing.py @@ -607,7 +607,8 @@ class TypeVar(_Final, _Immutable, _root=True): # * __parameters__ is a tuple of unique free type parameters of a generic # type, for example, Dict[T, T].__parameters__ == (T,); # * __origin__ keeps a reference to a type that was subscripted, -# e.g., Union[T, int].__origin__ == Union; +# e.g., Union[T, int].__origin__ == Union, or the non-generic version of +# the type. # * __args__ is a tuple of all arguments used in subscripting, # e.g., Dict[T, int].__args__ == (T, int). @@ -835,7 +836,11 @@ class Generic: if cls is Generic: raise TypeError("Type Generic cannot be instantiated; " "it can be used only as a base class") - return super().__new__(cls) + if super().__new__ is object.__new__: + obj = super().__new__(cls) + else: + obj = super().__new__(cls, *args, **kwds) + return obj @_tp_cache def __class_getitem__(cls, params): @@ -1385,6 +1390,7 @@ class NamedTupleMeta(type): "follow default field(s) {default_names}" .format(field_name=field_name, default_names=', '.join(defaults_dict.keys()))) + nm_tpl.__new__.__annotations__ = collections.OrderedDict(types) nm_tpl.__new__.__defaults__ = tuple(defaults) nm_tpl._field_defaults = defaults_dict # update from user namespace without overriding special namedtuple attributes |