django Cron Job

reference url
"""
https://pypi.org/project/django-crontab/
"""

install cron tab for django
"""
pip install django-crontab
"""

add it to installed apps in django settings.py:
"""
INSTALLED_APPS = (
    'django_crontab',
    ...
)
"""

create one script with any file app_name.cron.py
"""
def hi():
    print('iam an cron job')
    f = open('/home/host_name/django_cron.txt', 'w')
    f.close()
"""

now add this to your settings.py:
"""
CRONJOBS = [
    ('*/5 * * * *', 'app_name.cron.hi')
]
"""

we can pass the argument also
"""
CRONJOBS = [
    ('*/5 * * * *', 'myapp.cron.other_scheduled_job', ['arg1', 'arg2'], {'verbose': 0}),
    ('0   4 * * *', 'django.core.management.call_command', ['clearsessions']),
]
"""

we created cronjabs script and then add when to execute the script in setting.py also 
now we add the cronjob to initiate to run this command
"""
python manage.py crontab add
"""

we want to see initiated cronjobs execute this command
"""
python manage.py crontab show
"""

we want to remove initiated cronjob excute this command
"""
python manage.py crontab remove
"""

now we check the home folder the 'django_cron.txt' file exist
enjoy -)

---

1 2 3 4 5

1. Minute
2. Hour
3. day of the month (1, 31)
4. Month
5. Day of the week (0 to 7) 0 or 7 is Sunday, 1=mon, Tues = 2 and sat=6