8000 gh-65697: Improved error msg for configparser key validation by lincolnj1 · Pull Request #135527 · python/cpython · GitHub
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gh-65697: Improved error msg for configparser key validation #135527

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Merged
merged 3 commits into from
Jun 15, 2025
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gh-65697: Improved error msg for configparser key validation #135527

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Improved error msg for configparser key validation and added note in …
lincolnj1 Jun 15, 2025
1c04d28
Properly added change to configparser
lincolnj1 Jun 15, 2025
14b4ed9
📜🤖 Added by blurb_it.
blurb-it[bot] Jun 15, 2025
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Improved error msg for configparser key validation and added note in … 
…3.14 whatsnew
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@lincolnj1
lincolnj1 committed Jun 15, 2025
commit fdd2453a8f4f0ea5df4fd8c3325fac65c653f6c7
8 changes: 8 additions & 0 deletions Doc/whatsnew/3.14.rst
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Expand Up @@ -1259,6 +1259,14 @@ concurrent.futures
buffer.
(Contributed by Enzo Bonnal and Josh Rosenberg in :gh:`74028`.)

configparser
------------

* Security fix: will no longer write config files it cannot read. Attempting
to :meth:`configparser.ConfigParser.write` keys containing delimiters or
beginning with the section header pattern will raise a
:class:`configparser.InvalidWriteError`.
(Contributed by Jacob Lincoln in :gh:`129270`)

contextvars
-----------
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