FazBrowse GitHub Viewer | Trending |
URL:
| Home
Tools: [Download Repo ZIP]   [Original HTTPS Page]

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

/ cpython Public

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

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
AlexWaygood merged 5 commits into from
Mar 15, 2023
Conversation 27 Commits 5 Checks 0 Files changed
Merged

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

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
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
File filter

Filter by extension

Filter by extension .py  (2) .rst  (1) All 2 file types selected
Viewed files
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Unified
Split
Hide whitespace
Diff view
Unified
Split
Hide whitespace
45 changes: 45 additions & 0 deletions Lib/test/test_typing.py
Show comments
View file
Open in desktop
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
Show hidden characters
Original file line number Diff line number Diff line change
Expand Up @@ -3809,6 +3809,51 @@ class Y(C[int]):
self.assertEqual(Y.__qualname__,
'GenericTests.test_repr_2.<locals>.Y')

def test_repr_3(self):
T = TypeVar('T')
T1 = TypeVar('T1')
P = ParamSpec('P')
P2 = ParamSpec('P2')
Ts = TypeVarTuple('Ts')

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

class DoubleSpec(Generic[P, P2, T]):
pass

class TsP(Generic[*Ts, P]):
pass

object_to_expected_repr = {
MyCallable[P, T]: "MyCallable[~P, ~T]",
MyCallable[Concatenate[T1, P], T]: "MyCallable[typing.Concatenate[~T1, ~P], ~T]",
MyCallable[[], bool]: "MyCallable[[], bool]",
MyCallable[[int], bool]: "MyCallable[[int], bool]",
MyCallable[[int, str], bool]: "MyCallable[[int, str], bool]",
MyCallable[[int, list[int]], bool]: "MyCallable[[int, list[int]], bool]",
MyCallable[Concatenate[*Ts, P], T]: "MyCallable[typing.Concatenate[*Ts, ~P], ~T]",

DoubleSpec[P2, P, T]: "DoubleSpec[~P2, ~P, ~T]",
DoubleSpec[[int], [str], bool]: "DoubleSpec[[int], [str], bool]",
DoubleSpec[[int, int], [str, str], bool]: "DoubleSpec[[int, int], [str, str], bool]",

TsP[*Ts, P]: "TsP[*Ts, ~P]",
TsP[int, str, list[int], []]: "TsP[int, str, list[int], []]",
TsP[int, [str, list[int]]]: "TsP[int, [str, list[int]]]",

# These lines are just too long to fit:

AlexWaygood Mar 15, 2023

Copy link
Copy Markdown
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

😆
MyCallable[Concatenate[*Ts, P], int][int, str, [bool, float]]:
"MyCallable[[int, str, bool, float], int]",
}

for obj, expected_repr in object_to_expected_repr.items():
with self.subTest(obj=obj, expected_repr=expected_repr):
self.assertRegex(
repr(obj),
fr"^{re.escape(MyCallable.__module__)}.*\.{re.escape(expected_repr)}$",
)

def test_eq_1(self):
self.assertEqual(Generic, Generic)
self.assertEqual(Generic[T], Generic[T])
Expand Down
7 changes: 4 additions & 3 deletions Lib/typing.py
Show comments
View file
Open in desktop
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
Show hidden characters
Original file line number Diff line number Diff line change
Expand Up @@ -230,16 +230,17 @@ def _type_repr(obj):
typically enough to uniquely identify a type. For everything
else, we fall back on repr(obj).
"""
if isinstance(obj, types.GenericAlias):
return repr(obj)
if isinstance(obj, type):
if obj.__module__ == 'builtins':
return obj.__qualname__
return f'{obj.__module__}.{obj.__qualname__}'
if obj is ...:
return('...')
return '...'
Comment thread
sobolevn marked this conversation as resolved.
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) + ']'
Comment thread
AlexWaygood marked this conversation as resolved.
return repr(obj)


Expand Down
3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Library/2023-03-13-12-05-55.gh-issue-102615.NcA_ZL.rst
Show comments
View file
Open in desktop
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
Show hidden characters
Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
Typing: Improve the ``repr`` of generic aliases for classes generic over a
:class:`~typing.ParamSpec`. (Use square brackets to represent a parameter
list.)
Back | FazBrowse Home | New Git URL