[GRASS-dev] grass.run_command() and Python keywords - was Re: [GRASS-user] i.maxlik

Markus Neteler neteler at osgeo.org
Sun Mar 3 02:36:15 PST 2013


(switching to grass-dev due to a potential bugfix needed)

On Wed, Feb 13, 2013 at 12:27 PM, Johannes Radinger
<johannesradinger at gmail.com> wrote:
> On Wed, Feb 13, 2013 at 10:36 AM, Rebecca Stedham
> <rlstedham at btinternet.com> wrote:
>> Hello,
>>
>> I am running i.maxlik in python - attempting to automate a processing chain.
>> I use the command:
>>
>> grass.run_command('i.maxlik', group= group, subgroup=subgroup,
>> class='classification', sigfile = sigfile, verbose = True)
>>
>> Infuriatingly, however 'class' is a python keyword and it doesn't run due to
>> 'invalid syntax'.
>
> I had a similar issue with v.distance which uses 'from', another python keyword.
> Here the pythoncode is '_from' which looks like:
> grass.run_command("v.distance",_from="xxx",to="xxx",...)
>
> Maybe there is something similar for class ('_class'?) in i.maxlik.

Here a solution was suggested:

http://gis.stackexchange.com/questions/50753/is-there-a-workaround-for-grass-i-maxlik-class-being-a-keyword-in-python

Not sure how to deal with that.

Markus


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