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jaraco opened this issue Aug 15, 2024 · 2 comments · Fixed by #123077
Closed

configparser: unable to create unnamed section #123049

jaraco opened this issue Aug 15, 2024 · 2 comments · Fixed by #123077
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@pslacerda
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stdlib Python modules in the Lib dir type-feature A feature request or enhancement

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@jaraco
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jaraco commented Aug 15, 2024 •
edited by bedevere-app bot
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Hi, just chiming in because I really love this new feature - however, I haven't managed to create a new INI file from scratch with an unnamed section yet. Is this possible? Here are my futile attempts with configparser 7.0.0 from backports:

Python 3.12.4 (tags/v3.12.4:8e8a4ba, Jun  6 2024, 19:30:16) [MSC v.1940 64 bit (AMD64)] on win32
>>> from backports.configparser import UNNAMED_SECTION, ConfigParser
>>> cp = ConfigParser(allow_unnamed_section=True)
>>> cp.set(UNNAMED_SECTION, "option1", "hello world")
Traceback (most recent call last):
    super().set(section, option, value)
    raise NoSectionError(section) from None
backports.configparser.NoSectionError: No section: <UNNAMED_SECTION>
>>> cp.add_section(UNNAMED_SECTION)
  File "C:\Users\kerling\AppData\Local\pypoetry\Cache\virtualenvs\non-package-mode-l42eA81v-py3.12\Lib\site-packages\backports\configparser\__init__.py", line 1294, in _validate_value_types
    raise TypeError("section names must be strings")
TypeError: section names must be strings
>>> cp[UNNAMED_SECTION]["option1"] = "hello world"
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\kerling\AppData\Local\pypoetry\Cache\virtualenvs\non-package-mode-l42eA81v-py3.12\Lib\site-packages\backports\configparser\__init__.py", line 1070, in __getitem__
    raise KeyError(key)
KeyError: <UNNAMED_SECTION>
>>> cp[UNNAMED_SECTION] = { "option1": "hello world" }
>>> cp.sections()
['<UNNAMED_SECTION>']
>>> import io
>>> fp = io.StringIO()
>>> cp.write(fp)
>>> fp.getvalue()
'[<UNNAMED_SECTION>]\noption1 = hello world\n\n'

Originally posted by @mtnpke in #66449 (comment)

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@pslacerda
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Hi, I have interest to contribute on this feature.

@jaraco
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jaraco commented Aug 16, 2024

You got it. Let me know if you have any questions.

@picnixz picnixz added type-feature A feature request or enhancement stdlib Python modules in the Lib dir labels Aug 16, 2024
pslacerda added a commit to pslacerda/cpython that referenced this issue Aug 16, 2024
@pslacerda
Allow to create the unnamed section from scratch.
02c5266 
May fix python#123049.
@pslacerda pslacerda mentioned this issue Aug 16, 2024
Merged
pslacerda added a commit to pslacerda/cpython that referenced this issue Aug 16, 2024
@pslacerda
Add support to unnamed section on RawConfigParser.add_section
450c6c1 
May fix python#123049.
jaraco added a commit that referenced this issue Aug 18, 2024
@pslacerda @jaraco @picnixz
gh-123049: configparser: Allow to create the unnamed section from scr…
be257c5 
…atch. (#123077)


---------

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
jeremyhylton pushed a commit to jeremyhylton/cpython that referenced this issue Aug 19, 2024
@pslacerda @jaraco
@picnixz @jeremyhylton
pythongh-123049: configparser: Allow to create the unnamed section fr…
0cde54d 
…om scratch. (python#123077)


---------

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
blhsing pushed a commit to blhsing/cpython that referenced this issue Aug 22, 2024
@pslacerda @jaraco
@picnixz @blhsing
pythongh-123049: configparser: Allow to create the unnamed section fr…
753c482 
…om scratch. (python#123077)


---------

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
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gh-123049: Allow to create the unnamed section from scratch. pslacerda/cpython
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