[Qgis-developer] use ogr2ogr in a plugin

[Even Rouault]

Le jeudi 29 octobre 2015 09:59:50, Denis Rouzaud a écrit :
> Cool feature, thanks for the info.
> 
> What's the time frame for 2.1?

~ April / May 2016

> 
> 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

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