mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-07 23:51:16 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 20

GH-103699: Add __orig_bases__ to various typing classes (#103698)

Browse source 
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
This commit is contained in:
Adrian Garcia Badaracco 2023-04-23 08:33:39 -06:00 • committed by GitHub
parent e38bebb9ee
commit 0056701aa3
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 70 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

11
Lib/typing.py
View file

@ -2962,7 +2962,9 @@ def NamedTuple(typename, fields=None, /, **kwargs):
elif kwargs:
raise TypeError("Either list of fields or keywords"
" can be provided to NamedTuple, not both")
return _make_nmtuple(typename, fields, module=_caller())
nt = _make_nmtuple(typename, fields, module=_caller())
nt.__orig_bases__ = (NamedTuple,)
return nt
_NamedTuple = type.__new__(NamedTupleMeta, 'NamedTuple', (), {})
@ -2994,6 +2996,9 @@ class _TypedDictMeta(type):
tp_dict = type.__new__(_TypedDictMeta, name, (*generic_base, dict), ns)
if not hasattr(tp_dict, '__orig_bases__'):
tp_dict.__orig_bases__ = bases
annotations = {}
own_annotations = ns.get('__annotations__', {})
msg = "TypedDict('Name', {f0: t0, f1: t1, ...}); each t must be a type"
@ -3104,7 +3109,9 @@ def TypedDict(typename, fields=None, /, *, total=True, **kwargs):
# Setting correct module is necessary to make typed dict classes pickleable.
ns['__module__'] = module
return _TypedDictMeta(typename, (), ns, total=total)
td = _TypedDictMeta(typename, (), ns, total=total)
td.__orig_bases__ = (TypedDict,)
return td
_TypedDict = type.__new__(_TypedDictMeta, 'TypedDict', (), {})
TypedDict.__mro_entries__ = lambda bases: (_TypedDict,)