8000 GH-103699: Add `__orig_bases__` to various typing classes by adriangb · Pull Request #103698 · python/cpython · GitHub
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GH-103699: Add __orig_bases__ to various typing classes #103698

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Merged
merged 11 commits into from
Apr 23, 2023
Merged

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

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7a81c98
Add `__orig_bases__` to non-generic TypedDict
adriangb Apr 22, 2023
270cadf
📜🤖 Added by blurb_it.
blurb-it[bot] Apr 22, 2023
29b643d
Use double backticks
adriangb Apr 22, 2023
4037df1
remove whitespace
AlexWaygood Apr 22, 2023
19569f9
add more test cases
adriangb Apr 23, 2023
b777373
one more test
adriangb Apr 23, 2023
4c9ee8c
Make call-based NamedTuples behave like call-based TypedDicts
adriangb Apr 23, 2023
7224ddd
Add (failing) tests
adriangb Apr 23, 2023
631d428
More tests
adriangb Apr 23, 2023
58701ac
Update Misc/NEWS.d/next/Library/2023-04-22-22-37-39.gh-issue-103699.N…
adriangb Apr 23, 2023
3fe75eb
Update Misc/NEWS.d/next/Library/2023-04-22-22-37-39.gh-issue-103699.N…
adriangb Apr 23, 2023
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Make call-based NamedTuples behave like call-based TypedDicts 
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
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@adriangb @AlexWaygood
adriangb and AlexWaygood committed Apr 23, 2023
commit 4c9ee8ca0ea7c15a5ba906079dad688db6c1a847
8 changes: 6 additions & 2 deletions Lib/typing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2962,7 +2962,9 @@ class Employee(NamedTuple):
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', (), {})

Expand Down Expand Up @@ -3107,7 +3109,9 @@ class body be required.
# 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,)
Expand Down
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