def before_append()

in python-package/lets_plot/plot/core.py [0:0]

• 37 lines of code
• 16 McCabe index (conditional complexity)

    def before_append(self, is_livemap):
        from .util import normalize_map_join, is_geo_data_frame, auto_join_geo_names, geo_data_frame_to_crs, \
            get_geo_data_frame_meta
        from lets_plot.geo_data_internals.utils import is_geocoder

        name = self.props()['geom']
        map_join = self.props().get('map_join')
        map = self.props().get('map')
        map_data_meta = None

        if map_join is None and map is None:
            return

        map_join = normalize_map_join(map_join)

        if is_geocoder(map):
            if is_livemap and get_global_bool(FRAGMENTS_ENABLED) if has_global_value(FRAGMENTS_ENABLED) else False:
                map = map.get_geocodes()
                map_join = auto_join_geo_names(map_join, map)
                map_data_meta = {'georeference': {}}
            else:
                # Fetch proper GeoDataFrame. Further processing is the same as if map was a GDF.
                if name in ['point', 'pie', 'text', 'label', 'livemap']:
                    map = map.get_centroids()
                elif name in ['map', 'polygon']:
                    map = map.get_boundaries()
                elif name in ['rect']:
                    map = map.get_limits()
                else:
                    raise ValueError("Geocoding doesn't provide geometries for geom_{}".format(name))

        if is_geo_data_frame(map):
            # map = geo_data_frame_to_crs(map, self.props().get('use_crs'))
            use_crs = self.props().get('use_crs')
            if use_crs != "provided":
                map = geo_data_frame_to_crs(map, use_crs)
            map_join = auto_join_geo_names(map_join, map)
            map_data_meta = get_geo_data_frame_meta(map)

        if map_join is not None:
            self.props()['map_join'] = map_join

        if map is not None:
            self.props()['map'] = map

        if map_data_meta is not None:
            self.props()['map_data_meta'] = map_data_meta