10000 gh-102615: Use `list` instead of `tuple` in `repr` of paramspec by sobolevn · Pull Request #102637 · python/cpython · GitHub
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gh-102615: Use list instead of tuple in repr of paramspec #102637

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Merged
merged 5 commits into from
Mar 15, 2023
Merged

gh-102615: Use list instead of tuple in repr of paramspec #102637

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8e4620c
gh-102615: Use `list` instead of `tuple` in `repr` of paramspec
sobolevn Mar 13, 2023
4e12bd6
Apply suggestions from code review
sobolevn Mar 14, 2023
d226833
Update Lib/test/test_typing.py
sobolevn Mar 14, 2023
dc36254
Update Lib/test/test_typing.py
sobolevn Mar 14, 2023
3451d4d
Address review
sobolevn Mar 15, 2023
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gh-102615: Use list instead of tuple in repr of paramspec
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@sobolevn
sobolevn committed Mar 13, 2023
commit 8e4620cf1e596e714f54579f8ee6721d1cc6982f
20 changes: 20 additions & 0 deletions Lib/test/test_typing.py
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Expand Up @@ -3809,6 +3809,26 @@ class Y(C[int]):
self.assertEqual(Y.__qualname__,
'GenericTests.test_repr_2.<locals>.Y')

def test_repr_3(self):
T = TypeVar('T')
P = ParamSpec('P')

class MyCallable(Generic[P, T]):
pass

self.assertEqual(
repr(MyCallable[[], bool]).split('.')[-1],
'MyCallable[[], bool]',
)
self.assertEqual(
repr(MyCallable[[int], bool]).split('.')[-1],
'MyCallable[[int], bool]',
)
self.assertEqual(
repr(MyCallable[[int, str], bool]).split('.')[-1],
"MyCallable[[int, str], bool]",
)

def test_eq_1(self):
self.assertEqual(Generic, Generic)
self.assertEqual(Generic[T], Generic[T])
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5 changes: 4 additions & 1 deletion Lib/typing.py
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Expand Up @@ -237,9 +237,12 @@ def _type_repr(obj):
return obj.__qualname__
return f'{obj.__module__}.{obj.__qualname__}'
if obj is ...:
return('...')
return '...'
if isinstance(obj, types.FunctionType):
return obj.__name__
if isinstance(obj, tuple):
# Special case for `repr` of types with `ParamSpec`:
return '[' + ', '.join(_type_repr(t) for t in obj) + ']'
return repr(obj)


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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Library/2023-03-13-12-05-55.gh-issue-102615.NcA_ZL.rst
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@@ -0,0 +1 @@
Use list instead of tuple 4B2B in ``repr`` of generic aliases with ``ParamSpec``.
0