[Qgis-developer] use ogr2ogr in a plugin

[Denis Rouzaud]

Cool feature, thanks for the info.

What's the time frame for 2.1?

On 10/29/2015 09:55 AM, Even Rouault wrote:
> Le jeudi 29 octobre 2015 09:38:38, Victor Olaya a écrit :
>> 2015-10-29 9:18 GMT+01:00 Matthias Kuhn <matthias at opengis.ch>:
>>> Hi Denis,
>>>
>>> I assume the path env variable should be appropriately set in all OS'es
>>> when inside QGIS so calling ogr2ogr (e.g. subprocess.call( 'ogr2ogr
>>> params' ) should just work. But to be honest, I never tried.
>>>
>>> Matthias
>>
>> That's actually what the ogr2ogr algorithm in Processing does...
>>
>> https://github.com/qgis/QGIS/blob/master/python/plugins/processing/algs/gda
>> l/ogr2ogr.py 
> 
> Just taking advantage of this thread to advertize RFC 59.1 : GDAL/OGR 
> utilities as a library that will be part of GDAL 2.1 :
> 
> https://trac.osgeo.org/gdal/wiki/rfc59.1_utilities_as_a_library
> 
> And the current hardcoded list of formats and extensions could be dynamically 
> populated from the metadata of drivers starting with GDAL 2.0 :
> 
> from osgeo import gdal
> for i in range(gdal.GetDriverCount()):
>     drv = gdal.GetDriver(i)
>     if drv.GetMetadataItem(gdal.DCAP_VECTOR) and \
>       drv.GetMetadataItem(gdal.DCAP_CREATE):
>         extensions = drv.GetMetadataItem(gdal.DMD_EXTENSIONS)
>         if extensions is not None:
>             print('%s: %s' % (drv.GetDescription(), extensions))
> 
> 
> Even
>