Default indentation of 4 columns

[Michael Hudson]

=?ISO-8859-1?Q?Fran=E7ois_Pinard?= <pinard at iro.umontreal.ca> writes:

> Hi, people.  I'm reasonably trying to follow Guido's style guide, somewhat
> helped in doing so by the nice Emacs Python mode.
> 
> The only thing that really rebukes me is the interdiction to use capitals in
> comments to mark non-terminals (or variables), as it does not get accompanied
> by a better suggestion, or at least, none yielding as much clarity.
> 
> The 4 columns indentation rule is quite acceptable on average, expect when
> I have things like, say:
> 
>     for file_name, line_number, function_name, python_text in frames:
>         if (function_name[0] not in ('_', '<')
>             and function_name not in transparent_functions):
>             name = os.path.basename(file_name)
>             if name not in transparent_files:
>                 return name, line_number
> 
> The pseudo-alignment of the `and' with `name' is rather ugly to my eyes.
> It would be alleviated a bit by using `\' on the preceding line instead
> of `(', but the style guide suggests that we favour '(', which looks
> like a good thing.  Do some of you share my little irritation, here?

Yes.

> Would someone have developed some elegant and easy compromise?  I hardly
> see one, but who knows, people sometimes have unexpectedly good ideas! :-)

It hadn't occurred to me before, but one `solution' would be to chuck
another space between `if' and `(', like so:

def r():
    if  (long_condition
         and other_condition):
        return ineteresting_stuff

Not especially natural, but it might just work...

HTH,
Michael