manage.py

#!/usr/bin/env python3
import os
import sys
import signal

def subscribe_to_signals():
    # raise SignalException when a signal is caught so django will exit gracefully
    class SignalException(Exception):
        pass

    def signal_handler(_s, _f):
        raise SignalException("signal %s received..." % (_s,))

    for s in [signal.SIGHUP, signal.SIGINT]:
        signal.signal(s, signal_handler)


if __name__ == "__main__":
    # do subscribe to more signals than django does for proper exits during testing
    if os.environ.get('TMSS_RAISE_ON_SIGNALS', "False").lower() in ["true", "1", "on"]:
        subscribe_to_signals()

    # normal django startup. Specify the DJANGO_SETTINGS_MODULE, and run it.
    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "tmss.settings")

    try:
        from django.core.management import execute_from_command_line
    except ImportError as exc:
        raise ImportError(
            "Couldn't import Django. Are you sure it's installed and "
            "available on your PYTHONPATH environment variable? Did you "
            "forget to activate a virtual environment?"
        ) from exc
    execute_from_command_line(sys.argv)