1 # Copyright (c) 2022 Cisco and/or its affiliates.
2 # Licensed under the Apache License, Version 2.0 (the "License");
3 # you may not use this file except in compliance with the License.
4 # You may obtain a copy of the License at:
6 # http://www.apache.org/licenses/LICENSE-2.0
8 # Unless required by applicable law or agreed to in writing, software
9 # distributed under the License is distributed on an "AS IS" BASIS,
10 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 # See the License for the specific language governing permissions and
12 # limitations under the License.
14 """Initialize Flask app.
19 from flask import Flask
20 from flask_assets import Environment
23 # Maximal value of TIME_PERIOD in days.
24 # Do not change without a good reason.
27 # It defines the time period in days from now back to the past from which data
28 # is read to dataframes.
29 # TIME_PERIOD = None means all data (max MAX_TIME_PERIOD days) is read.
30 # TIME_PERIOD = MAX_TIME_PERIOD is the default value
31 TIME_PERIOD = MAX_TIME_PERIOD # [days]
35 """Construct core Flask application with embedded Dash app.
39 format=u"%(asctime)s: %(levelname)s: %(message)s",
40 datefmt=u"%Y/%m/%d %H:%M:%S",
44 logging.info("Application started.")
46 app = Flask(__name__, instance_relative_config=False)
47 app.config.from_object(u"config.Config")
49 with app.app_context():
50 # Import parts of our core Flask app.
53 assets = Environment()
56 if TIME_PERIOD is None or TIME_PERIOD > MAX_TIME_PERIOD:
57 time_period = MAX_TIME_PERIOD
59 time_period = TIME_PERIOD
61 # Import Dash applications.
62 from .stats.stats import init_stats
63 app = init_stats(app, time_period=time_period)
65 from .trending.trending import init_trending
66 app = init_trending(app, time_period=time_period)