Fixed #21716 -- Only passed arguments supported by ogrinspect

import inspect

from optparse import make_option

from django.contrib.gis import gdal

from django.core.management.base import LabelCommand, CommandError

        if not gdal.HAS_GDAL:

            raise CommandError('GDAL is required to inspect geospatial data sources.')

        # Removing options with `None` values.

        options = dict((k, v) for k, v in options.items() if not v is None)

        # Getting the OGR DataSource from the string parameter.

        try:

            ds = gdal.DataSource(data_source)

        except gdal.OGRException as msg:

            raise CommandError(msg)

        # Whether the user wants to generate the LayerMapping dictionary as well.

        show_mapping = options.pop('mapping', False)

        # Getting rid of settings that `_ogrinspect` doesn't like.

        options.pop('verbosity', False)

        options.pop('settings', False)

        # Returning the output of ogrinspect with the given arguments

        # and options.

        from django.contrib.gis.utils.ogrinspect import _ogrinspect, mapping

        output = [s for s in _ogrinspect(ds, model_name, **options)]

        if show_mapping:

        # Filter options to params accepted by `_ogrinspect`

        ogr_options = dict((k, v) for k, v in options.items()

                           if k in inspect.getargspec(_ogrinspect).args and v is not None)

        output = [s for s in _ogrinspect(ds, model_name, **ogr_options)]

        if options['mapping']:

            # Constructing the keyword arguments for `mapping`, and

            # calling it on the data source.

            kwargs = {'geom_name': options['geom_name'],

            '    objects = models.GeoManager()'

        ))

    def test_management_command(self):

        shp_file = os.path.join(TEST_DATA, 'cities', 'cities.shp')

        out = StringIO()

        call_command('ogrinspect', shp_file, 'City', stdout=out)

        output = out.getvalue()

        self.assertIn('class City(models.Model):', output)

def get_ogr_db_string():

    """