Method check_ogr_fld

django/contrib/gis/utils/layermapping.py:210–217

(ogr_map_fld)

        # Function for determining if the OGR mapping field is in the Layer.
        def check_ogr_fld(ogr_map_fld):
            try:
                idx = ogr_fields.index(ogr_map_fld)
            except ValueError:
                raise LayerMapError(
                    'Given mapping OGR field "%s" not found in OGR Layer.' % ogr_map_fld
                )
            return idx

        # No need to increment through each feature in the model, simply check
        # the Layer metadata against what was given in the mapping dictionary.