[Python-ideas] Style for multi-line generator expressions

Barry Warsaw barry at python.org
Sun Sep 15 21:53:55 CEST 2013


On Sep 14, 2013, at 07:49 AM, Georg Brandl wrote:

>On 09/14/2013 07:36 AM, Clay Sweetser wrote:
>> PEP 8 currently lacks any suggestions for how multi-line generator expressions
>> and list comprehensions should be formatted. In the absence of any official
>> style suggestion (that I can find), I suggest the style used the most in the
>> standard library.
>>
>> [<expression>
>>  for <target_list> in <container>
>>  if <condition>]
>> 
>> Note, lines could still be combined where it makes sense, eg, the first two
>> lines could be combined if they aren't too long.
>
>But that amounts to simply respecting the line length limit and using
>logical breakpoints.  I don't think that requires a special mention in
>PEP 8.

Agreed.
-Barry
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