text: from django.contrib.auth.models import Permission, Group, User
  from ruamel.yaml import YAML
  from pathlib import Path
  import sys
  
  file = Path('/opt/netbox/initializers/groups.yml')
  if not file.is_file():
    sys.exit()
  
  with file.open('r') as stream:
    yaml=YAML(typ='safe')
    groups = yaml.load(stream)
  
    if groups is not None:
      for groupname, group_details in groups.items():
        group, created = Group.objects.get_or_create(name=groupname)
  
        if created:
          print("👥 Created group", groupname)
  
        for username in group_details.get('users', []):
          user = User.objects.get(username=username)
  
          if user:
            user.groups.add(group)
  
        yaml_permissions = group_details.get('permissions', [])
        permission_object = group
        if yaml_permissions:
          permission_object.permissions.clear()
          for yaml_permission in yaml_permissions:
            if '*' in yaml_permission:
              permission_codename_function = 'codename__iregex'
              permission_codename = '^' + yaml_permission.replace('*','.*') + '$'
            else:
              permission_codename_function = 'codename'
              permission_codename = yaml_permission
            
            # supports non-unique permission codenames
            for permission in eval('Permission.objects.filter(' + permission_codename_function + '=permission_codename)'):
              permission_object.permissions.add(permission)
  