Fixed the `GeometryField` form to catch more than just GEOS exceptions.

from django import forms

from django.contrib.gis.geos import GEOSGeometry, GEOSException

from django.contrib.gis.db.backend import SpatialBackend

from django.utils.translation import ugettext_lazy as _

class GeometryField(forms.Field):

    # By default a Textarea widget is used.

    """

    This is the basic form field for a Geometry.  Any textual input that is

    accepted by SpatialBackend.Geometry is accepted by this form.  By default, 

    this is GEOSGeometry, which accepts WKT, HEXEWKB, WKB, and GeoJSON.

    """

    widget = forms.Textarea

    default_error_messages = {

        'no_geom' : _(u'No geometry value provided.'),

        'invalid_geom' : _(u'Invalid Geometry value.'),

        'invalid_geom_type' : _(u'Invalid Geometry type.'),

        'invalid_geom' : _(u'Invalid geometry value.'),

        'invalid_geom_type' : _(u'Invalid geometry type.'),

    }

    def __init__(self, **kwargs):

        self.null = kwargs.pop('null')

        self.geom_type = kwargs.pop('geom_type')

                return None

            else:

                raise forms.ValidationError(self.error_messages['no_geom'])

        try:

            geom = GEOSGeometry(value)

            if geom.geom_type.upper() != self.geom_type:

            # Trying to create a Geometry object from the form value.

            geom = SpatialBackend.Geometry(value)

        except:

            raise forms.ValidationError(self.error_messages['invalid_geom'])

        # Ensuring that the geometry is of the correct type (indicated

        # using the OGC string label).

        if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':

            raise forms.ValidationError(self.error_messages['invalid_geom_type'])

        return geom

        except GEOSException:

            raise forms.ValidationError(self.error_messages['invalid_geom'])