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Thu, 10 Sep 2009

Indentation for if in python when using emacs and python-mode

I use a four space indent which causes problems when indenting if statements that span multiple lines. For example: 

if (a
    and b
    and c):
    if_block_here

The problem is caused because if is two characters and therefor if ( is four characters--which matches the four space indent. I end up with code where I can't easily distinguish if statement from the if block.

After talking about it with Paul and Chris and working out what the specifics of the problem are, I decided to use double parens. The above with double-parens looks like this: 

if ((a
     and b
     and c)):
    if_block_here

That satisfies PEP-8, doesn't change the semantics, and fixes my problem. It is a little goofy to use double parens, but it's a good enough fix until I get around to fiddling with the code that does automatic indentation in python-mode.

I'd be interested in other ideas that don't involve using \ at the end of lines if they're out there.

[ tags: dev, python | category: /dev/python | Permalink | View/Add Comments: 0 ]

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