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[3.14] gh-136282: Configparser: create unnamed sections via mapping protocol access (GH-136313) (GH-142978)

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(cherry picked from commit 4aef13832521b4e7785c9643f6a995c92b4a691d)

Co-authored-by: Rogdham <3994389+Rogdham@users.noreply.github.com>
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Miss Islington (bot) 2026-01-06 16:46:04 +01:00 committed by GitHub
parent 7d52ea8978
commit 45da8f081d
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3 changed files with 17 additions and 1 deletions
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3
Lib/configparser.py
View File

@ -794,7 +794,8 @@ class RawConfigParser(MutableMapping):
"""
elements_added = set()
for section, keys in dictionary.items():
section = str(section)
if section is not UNNAMED_SECTION:
section = str(section)
try:
self.add_section(section)
except (DuplicateSectionError, ValueError):

13
Lib/test/test_configparser.py
View File

@ -2215,6 +2215,16 @@ class SectionlessTestCase(unittest.TestCase):
cfg.add_section(configparser.UNNAMED_SECTION)
cfg.set(configparser.UNNAMED_SECTION, 'a', '1')
self.assertEqual('1', cfg[configparser.UNNAMED_SECTION]['a'])
output = io.StringIO()
cfg.write(output)
self.assertEqual(output.getvalue(), 'a = 1\n\n')
cfg = configparser.ConfigParser(allow_unnamed_section=True)
cfg[configparser.UNNAMED_SECTION] = {'a': '1'}
self.assertEqual('1', cfg[configparser.UNNAMED_SECTION]['a'])
output = io.StringIO()
cfg.write(output)
self.assertEqual(output.getvalue(), 'a = 1\n\n')
def test_disabled_error(self):
with self.assertRaises(configparser.MissingSectionHeaderError):
@ -2223,6 +2233,9 @@ class SectionlessTestCase(unittest.TestCase):
with self.assertRaises(configparser.UnnamedSectionDisabledError):
configparser.ConfigParser().add_section(configparser.UNNAMED_SECTION)
with self.assertRaises(configparser.UnnamedSectionDisabledError):
configparser.ConfigParser()[configparser.UNNAMED_SECTION] = {'a': '1'}
def test_multiple_configs(self):
cfg = configparser.ConfigParser(allow_unnamed_section=True)
cfg.read_string('a = 1')

2
Misc/NEWS.d/next/Library/2025-07-05-08-30-07.gh-issue-136282.K3JKyD.rst Normal file
View File

@ -0,0 +1,2 @@
Add support for :const:`~configparser.UNNAMED_SECTION` when creating a
section via the mapping protocol access