Answers for "how to use command line library in django"

python django shell command

$ python manage.py shell
...
>>> execfile('myscript.py')

django run management command from code

from django.core.management import call_command

call_command('my_command', 'foo', bar='baz')

django run command from code

from django.core.management import call_command
call_command('my_command', 'foo', bar='baz')