Because i can't find related post here, so i post this example. maybe
someone else need.
Some times, you just want to use the useful models of django without
thinking any sql statement.
Maybe you want to run a script to know which user's birthday in your
database is today,
this little job should not run in the view.py. It should run in the
cron table of linux os every day,
so that your users can receive birthday card from your system.
this example is so easy, all you know is loading the settings.py
correctly.
Your script must place in your project's directory.
script example:
#!/usr/bin/env python
# -*- coding: utf8 -*-
import settings
from django.core.management import setup_environ
setup_environ(settings)
# before do something else,
# the three lines above here is your first operation.
from django.db.models import get_model
from datetime import date
if __name__ == '__main__':
----# the 'tmp' is your project's name,
----# and this script must place in the 'tmp' directory.
----# the 'person' is your model's name.
----Person = get_model('tmp', 'person')
----# when you get the model,
----# you can use it just like you use it in the view.py
----P = Person(name='hoamon', birth=date(1977, 10, 18))
----P.save()
----for p in Person.objects.all():
--------if p.birth == date(1977, 10, 18):
------------print p.name
----for p in Person.objects.filter(birth=date(1977, 10, 18)):
--------print p.name
now you can put /somepath/tmp/birthday.py in the cron table.
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