fukami...@chugai-pharm.co.jp wrote:
> Be careful if you use tab mixed with spaces and prefer 4-space indentation.
> Python interprets tabs as 8-space indent.  See python document below:
> http://docs.python.org/reference/lexical_analysis.html#indentation
> 
Python code will work as long as the indentation is consistent through 
the code you run, as far as I know there are no rules stating that there 
has to be 8-space indents. I've used both 2 and 4 spaces.

Yea for space rather than tabs though.

-Siv Hollup

> HTH
> 
> -----Original Message-----
> From: Schubert, Carsten [PRDUS] [mailto:cschu...@its.jnj.com] 
> Sent: Wednesday, January 27, 2010 1:31 AM
> To: Jason Vertrees; David Hall
> Cc: pymol-users
> Subject: Re: [PyMOL] Whitespacing?
> 
> Not much of a help, but WingIDE Professional Edition has a very good 
> indentation manager, which takes care of the mixed/space tab issues. If you 
> are working in python frequently it is a worthwhile investment.
> 
> Cheers,
> 
>       Carsten
> 
> 
>> -----Original Message-----
>> From: Jason Vertrees [mailto:jason.vertr...@schrodinger.com]
>> Sent: Tuesday, January 26, 2010 10:10 AM
>> To: David Hall
>> Cc: pymol-users
>> Subject: Re: [PyMOL] Whitespacing?
>>
>> David,
>>
>> Oh, the joys of open-source.  Here's my solution for you:
>>  (1) load your file in your favorite editor
>>  (2) determine user-desired tab stop setting
>>  (3) convert all tabs to spaces in your editor (or search replace tabs
>> with X-spaces)
>>  (4) save your file
>>
>> One warning though, I have seen some interpreters crash when they
>> encounter spaces over tabs.
>>
>> -- Jason
>>
>> On Tue, Jan 26, 2010 at 9:12 AM, David Hall <li...@cowsandmilk.net>
>> wrote:
>>> During my editing of dynoplot.py, I noticed that there were some
>>> whitespace issues.  Normally I consider whitespace a bikeshedding
>>> topic, but in python, it is significant, so it matters.  When tabs
>> and
>>> spaces are mixed, our own personal settings for how tabs are
>> displayed
>>> in an editor makes a huge difference in whether the script is
>>> understandable.
>>>
>>> I checked out the git repo of pymol scripts (
>>> http://github.com/jlec/Pymol-script-repo/ ) and did some analysis
>>>
>>> First, these files switch between some lines where all indenting is
>>> tabs to lines where all indenting is spaces:
>>> Objects_and_Selections/color_objects.py has 8 tab lines and 34 space
>> lines
>>> ThirdParty_Scripts/WFMesh.py has 52 tab lines and 21 space lines
>>> biochemical_scripts/pucker.py has 167 tab lines and 5 space lines
>>> math_geo_cgo/modevectors.py has 160 tab lines and 2 space lines
>>> structural_biology_scripts/DynoPlot.py has 82 tab lines and 27 space
>> lines
>>> structural_biology_scripts/Rotamers.py has 86 tab lines and 22 space
>> lines
>>> structural_biology_scripts/kabsch.py has 51 tab lines and 4 space
>> lines
>>> Second, there are files where the indenting inside a line switches
>>> back and forth (numbers are the counts of lines that have both tabs
>>> and spaces in indenting):
>>> Objects_and_Selections/color_objects.py: 19
>>> ThirdParty_Scripts/WFMesh.py: 29
>>> ThirdParty_Scripts/transform_odb.py: 6
>>> math_geo_cgo/modevectors.py: 12
>>> structural_biology_scripts/DynoPlot.py: 83
>>> structural_biology_scripts/Rotamers.py: 86
>>> structural_biology_scripts/kabsch.py: 1
>>>
>>> I've tried using pindent.py (
>>> http://svn.python.org/projects/python/trunk/Tools/scripts/pindent.py
>> )
>>> and PythonTidy ( http://pypi.python.org/pypi/PythonTidy/ ) to
>>> generally fix these, but they both run into problems.  Is there a
>>> general solution out in the python world to automatically fix this?
>>  I
>>> don't care whether it produces tabs or spaces.  I just want one or
>> the
>>> other.  If someone points me to something, I'm more than willing to
>>> run it on these scripts, push them back to github and copy them back
>>> onto the wiki.
>>>


-- 
Siv Midtun Hollup
PhD Student
Dept. of Informatics
University of Bergen, Norway
s...@ii.uib.no
- Blessed are the flexible, for they can be tied into knots. -

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