Files
superset2/superset/examples/helpers.py
David Aaron Suddjian 016f202423 Refactor Dashboard and Slice models (#8820)
* refactor dashboard and slice models

* appease various linters

* remove shortcuts & import indirection

* appease mypy

* fix bad imports

* lint

* address various issues

* ignore type issue

* remove unused imports

* lint
2019-12-18 11:40:45 -08:00

77 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.
"""Loads datasets, dashboards and slices in a new superset instance"""
import json
import os
import zlib
from io import BytesIO
from typing import Set
from urllib import request
from superset import app, db
from superset.connectors.connector_registry import ConnectorRegistry
from superset.models import core as models
from superset.models.slice import Slice
BASE_URL = "https://github.com/apache-superset/examples-data/blob/master/"
# Shortcuts
DB = models.Database
TBL = ConnectorRegistry.sources["table"]
config = app.config
EXAMPLES_FOLDER = os.path.join(config["BASE_DIR"], "examples")
misc_dash_slices: Set[str] = set() # slices assembled in a 'Misc Chart' dashboard
def update_slice_ids(layout_dict, slices):
charts = [
component
for component in layout_dict.values()
if isinstance(component, dict) and component["type"] == "CHART"
]
sorted_charts = sorted(charts, key=lambda k: k["meta"]["chartId"])
for i, chart_component in enumerate(sorted_charts):
if i < len(slices):
chart_component["meta"]["chartId"] = int(slices[i].id)
def merge_slice(slc):
o = db.session.query(Slice).filter_by(slice_name=slc.slice_name).first()
if o:
db.session.delete(o)
db.session.add(slc)
db.session.commit()
def get_slice_json(defaults, **kwargs):
d = defaults.copy()
d.update(kwargs)
return json.dumps(d, indent=4, sort_keys=True)
def get_example_data(filepath, is_gzip=True, make_bytes=False):
content = request.urlopen(f"{BASE_URL}{filepath}?raw=true").read()
if is_gzip:
content = zlib.decompress(content, zlib.MAX_WBITS | 16)
if make_bytes:
content = BytesIO(content)
return content