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# Copyright (c) 2022 Cisco and/or its affiliates.
# Licensed 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.
"""Initialize Flask app.
"""
import logging
from flask import Flask
from flask_assets import Environment
# Maximal value of TIME_PERIOD for Trending in days.
# Do not change without a good reason.
MAX_TIME_PERIOD = 180
# It defines the time period for Trending in days from now back to the past from
# which data is read to dataframes.
# TIME_PERIOD = None means all data (max MAX_TIME_PERIOD days) is read.
# TIME_PERIOD = MAX_TIME_PERIOD is the default value
TIME_PERIOD = MAX_TIME_PERIOD # [days]
# List of releases used for iterative data processing.
# The releases MUST be in the order from the current (newest) to the last
# (oldest).
RELEASES=["csit2206", "csit2202", ]
def init_app():
"""Construct core Flask application with embedded Dash app.
"""
logging.basicConfig(
format=u"%(asctime)s: %(levelname)s: %(message)s",
datefmt=u"%Y/%m/%d %H:%M:%S",
level=logging.INFO
)
logging.info("Application started.")
app = Flask(__name__, instance_relative_config=False)
app.config.from_object(u"config.Config")
with app.app_context():
# Import parts of our core Flask app.
from . import routes
assets = Environment()
assets.init_app(app)
# Set the time period for Trending
if TIME_PERIOD is None or TIME_PERIOD > MAX_TIME_PERIOD:
time_period = MAX_TIME_PERIOD
else:
time_period = TIME_PERIOD
# Import Dash applications.
from .news.news import init_news
app = init_news(app)
from .stats.stats import init_stats
app = init_stats(app, time_period=time_period)
from .trending.trending import init_trending
app = init_trending(app, time_period=time_period)
from .report.report import init_report
app = init_report(app, releases=RELEASES)
return app
app = init_app()
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