GNU bug report logs - #72750
29.3; indent-region changes semantics of python code

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Message #8 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Andreas Röhler <andreas.roehler <at> easy-emacs.de>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#72750: 29.3; indent-region changes semantics of python code
Date: Fri, 23 Aug 2024 20:52:42 +0200

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Am 21.08.24 um 20:06 schrieb Michael Arndt via Bug reports for GNU 
Emacs, the Swiss army knife of text editors:
> Hi,
>
> I have a problem when indenting python files. There seems to be a case
> when using indent-region changes the semantics of the python code. When
> there is no blank line after an if-statement, the next line becomes part
> of the if statement.
>
> The problem can be reproduced by the following steps:
>
> 1. Start emacs -Q
> 2. Create a python file with the following contents:
>
> if False:
>      print("output1")
> print("output2")
>
> 3. Use M-x mark-whole-buffer
> 4. Use M-x indent-region
> 5. The file contents change into:
>
> if False:
>      print("output1")
>      print("output2")
>
> The problem can be avoided by adding a blank line after the if statement.
> Because I use a custom indentation function that calls (indent-region
> (point-min) (point-max)) this can happen pretty quickly. Is this a
> limitation of python-indent-region?
>
> Greetings
> Michael
>
>
Hi Michael,

I'm not maintaining the related code, just a comment:

as indent might by syntax at Python, there is not way for 
auto-formatting - unless you are happy with the outmost reasonable indent.

|Best,|

|Andreas
|

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