Files
superset2/superset/data/random_time_series.py
Maxime Beauchemin 7b3095d6ff Fix examples charts/dashboards and refactor (#5881)
* Fix examples charts/dashboards and refactor

* pylinting

* Fix pylint

* Lint the refactor

* Rebased
2018-10-31 15:29:04 -07:00

68 lines
1.7 KiB
Python

import gzip
import os
import pandas as pd
from sqlalchemy import DateTime
from superset import db
from superset.utils import core as utils
from .helpers import (
config,
DATA_FOLDER,
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"""
with gzip.open(os.path.join(DATA_FOLDER, 'random_time_series.json.gz')) as f:
pdf = pd.read_json(f)
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)