Files
superset2/superset/data/random_time_series.py
2019-06-25 13:34:48 -07:00

74 lines
2.4 KiB
Python

# 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 pandas as pd
from sqlalchemy import DateTime
from superset import db
from superset.utils import core as utils
from .helpers import config, get_example_data, get_slice_json, merge_slice, Slice, TBL
def load_random_time_series_data():
"""Loading random time series data from a zip file in the repo"""
data = get_example_data("random_time_series.json.gz")
pdf = pd.read_json(data)
pdf.ds = pd.to_datetime(pdf.ds, unit="s")
pdf.to_sql(
"random_time_series",
db.engine,
if_exists="replace",
chunksize=500,
dtype={"ds": DateTime},
index=False,
)
print("Done loading table!")
print("-" * 80)
print("Creating table [random_time_series] reference")
obj = db.session.query(TBL).filter_by(table_name="random_time_series").first()
if not obj:
obj = TBL(table_name="random_time_series")
obj.main_dttm_col = "ds"
obj.database = utils.get_or_create_main_db()
db.session.merge(obj)
db.session.commit()
obj.fetch_metadata()
tbl = obj
slice_data = {
"granularity_sqla": "day",
"row_limit": config.get("ROW_LIMIT"),
"since": "1 year ago",
"until": "now",
"metric": "count",
"where": "",
"viz_type": "cal_heatmap",
"domain_granularity": "month",
"subdomain_granularity": "day",
}
print("Creating a slice")
slc = Slice(
slice_name="Calendar Heatmap",
viz_type="cal_heatmap",
datasource_type="table",
datasource_id=tbl.id,
params=get_slice_json(slice_data),
)
merge_slice(slc)