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ConfigParser: writing a config with an empty unnamed section adds an extra newline to the beginning of the file #129678
Description
Bug report
Bug description:
If you read a config with an empty unnamed section using ConfigParser with allow_unnamed_section set to True and write it back, the resulting file will contain an extra newline at the beginning:
from configparser import ConfigParser
from io import StringIO
cfg = ConfigParser(allow_unnamed_section=True)
cfg.read_string('[sect]')
output = StringIO()
cfg.write(output)
print(repr(output.getvalue())) # '\n[sect]\n\n'CPython versions tested on:
3.13
Operating systems tested on:
Windows
Activity
Merge branch 'main' into pythongh-129678
gh-129678: ConfigParser: do not write an empty unnamed section (GH-12…
encukou commentedon Feb 17, 2025
Thank you! Merged to the 3.14 branch.
I don't think this is a bug, though.
To avoid a point release changing the output, I'll not backport to 3.13.
PalmtopTiger commentedon Feb 17, 2025
Thank you!