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"""Run the application"""
import os
import sys
from logging import getLogger, StreamHandler
from flask import Flask
from qc_app import create_app
from qc_app.check_connections import check_db, check_redis
def setup_logging(appl: Flask) -> Flask:
"""Setup appropriate logging paradigm depending on environment."""
# https://datatracker.ietf.org/doc/html/draft-coar-cgi-v11-03#section-4.1.17
# https://wsgi.readthedocs.io/en/latest/proposals-2.0.html#making-some-keys-required
# https://peps.python.org/pep-3333/#id4
software, *_version_and_comments = os.environ.get(
"SERVER_SOFTWARE", "").split('/')
if bool(software):
gunicorn_logger = getLogger("gunicorn.error")
appl.logger.handlers = gunicorn_logger.handlers
appl.logger.setLevel(gunicorn_logger.level)#pylint: disable=[no-member]
else:
loglevel = appl.config["LOG_LEVEL"].upper()
# Maybe call `logging.dictConfig(…)` here instead of all this stuff below
handler_stderr = StreamHandler(stream=sys.stderr)
appl.logger.addHandler(handler_stderr)
rootlogger = getLogger()
rootlogger.addHandler(handler_stderr)
rootlogger.setLevel(loglevel)
appl.logger.setLevel(loglevel)
return appl
def check_and_build_app() -> Flask:
"""Setup the application for running."""
# Setup the app
appl = create_app()
# Check connections
check_db(appl.config["SQL_URI"])
check_redis(appl.config["REDIS_URL"])
return setup_logging(appl)
app = check_and_build_app()
if __name__ == "__main__":
# Run the app
app.run()
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