managers.py

from django.contrib.auth.base_user import BaseUserManager


class PhoneUserManager(BaseUserManager):
    use_in_migrations = True

    def _create_user(self, username, password, **extra_fields):
        """
        Creates and saves a User with the given phone number.
        """
        if not username:
            raise ValueError('User name not provided')
        user = self.model(username=username, **extra_fields)
        user.set_password(password)
        user.save(using=self._db)
        return user

    def create_user(self, username, password=None, **extra_fields):
        extra_fields.setdefault('is_superuser', False)
        return self._create_user(username, password, **extra_fields)

    def create_superuser(self, username, password, **extra_fields):
        extra_fields.setdefault('is_superuser', True)
        extra_fields.setdefault('is_staff', True)
        return self._create_user(username, password, **extra_fields)