Refresh apps permissions

sync_perms

#!/usr/bin/env python
# -*- coding: utf-8 -*-

from django.apps import apps
from django.db.models import get_models
from django.core.management.base import BaseCommand
from django.contrib.auth.management import create_permissions


class Command(BaseCommand):
  args = '<app app ...>'
  help = 'Refresh permissions for specified apps, or all apps if no args are specified'

  def handle(self, *args, **options):
    if not args:
      apps_set = set()
      for model in get_models():
        apps_set.add(model._meta.app_label)

      apps_config = []
      for app in set(apps_set):
        apps_config.append(apps.get_app_config(app))
   else:
      apps_config = []
      for arg in args:
        apps_config.append(apps.get_app_config(arg))

    for config in apps_config:
      create_permissions(config, options.get('verbosity', 0))