# Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you under the Apache License, Version 2.0 (the # "License"); you may not use this file except in compliance # with the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, # software distributed under the License is distributed on an # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY # KIND, either express or implied. See the License for the # specific language governing permissions and limitations # under the License. import json import pandas as pd from sqlalchemy import String, Text from superset import db from superset.utils import core as utils from .helpers import get_example_data, TBL def load_paris_iris_geojson(only_metadata: bool = False, force: bool = False) -> None: tbl_name = "paris_iris_mapping" database = utils.get_example_database() table_exists = database.has_table_by_name(tbl_name) if not only_metadata and (not table_exists or force): data = get_example_data("paris_iris.json.gz") df = pd.read_json(data) df["features"] = df.features.map(json.dumps) df.to_sql( tbl_name, database.get_sqla_engine(), if_exists="replace", chunksize=500, dtype={ "color": String(255), "name": String(255), "features": Text, "type": Text, }, index=False, ) print("Creating table {} reference".format(tbl_name)) tbl = db.session.query(TBL).filter_by(table_name=tbl_name).first() if not tbl: tbl = TBL(table_name=tbl_name) tbl.description = "Map of Paris" tbl.database = database db.session.merge(tbl) db.session.commit() tbl.fetch_metadata()