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[3.12] gh-106510: Fix DEBUG output for atomic group (GH-106511) (GH-106548)

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(cherry picked from commit 74ec02e949)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This commit is contained in:
Miss Islington (bot) 2023-07-08 05:15:54 -07:00 • committed by GitHub
parent 48f58e0243
commit 60ade0cb29
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3 changed files with 8 additions and 2 deletions
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4
Lib/re/_parser.py
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@ -114,7 +114,6 @@ class SubPattern:
self.width = None self.width = None
def dump(self, level=0): def dump(self, level=0):
nl = True
seqtypes = (tuple, list) seqtypes = (tuple, list)
for op, av in self.data: for op, av in self.data:
print(level*" " + str(op), end='') print(level*" " + str(op), end='')
@ -136,6 +135,9 @@ class SubPattern:
if item_no: if item_no:
print(level*" " + "ELSE") print(level*" " + "ELSE")
item_no.dump(level+1) item_no.dump(level+1)
elif isinstance(av, SubPattern):
print()
av.dump(level+1)
elif isinstance(av, seqtypes): elif isinstance(av, seqtypes):
nl = False nl = False
for a in av: for a in av:

5
Lib/test/test_re.py
View file

@ -2512,7 +2512,10 @@ ELSE
def test_atomic_group(self): def test_atomic_group(self):
self.assertEqual(get_debug_out(r'(?>ab?)'), '''\ self.assertEqual(get_debug_out(r'(?>ab?)'), '''\
ATOMIC_GROUP [(LITERAL, 97), (MAX_REPEAT, (0, 1, [(LITERAL, 98)]))] ATOMIC_GROUP
LITERAL 97
MAX_REPEAT 0 1
LITERAL 98
0. INFO 4 0b0 1 2 (to 5) 0. INFO 4 0b0 1 2 (to 5)
5: ATOMIC_GROUP 11 (to 17) 5: ATOMIC_GROUP 11 (to 17)

1
Misc/NEWS.d/next/Library/2023-07-07-13-47-28.gh-issue-106510.9n5BdC.rst Normal file
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@ -0,0 +1 @@
Improve debug output for atomic groups in regular expressions.