code.py

# forms.py
class UserForm(forms.ModelForm):
    """A form for users. Includes password field."""

    password = forms.CharField(
        label="Password", widget=forms.PasswordInput(), required=False
    )
    email = MultiEmailField(
        widget=MultiEmailWidget(), required=False, help_text=help_text_for_email
    )
    ...
    

# models.py
class UserManager(BaseUserManager):
    def _create_user(self, username, email=None, password=None, **extra_fields):
        """Create and save a User with the given email and password."""
        if not username:
            raise ValueError("The username must be set")
        if not password:
            raise ValueError("The password must be set")
        if email:
            email = self.normalize_email(email)
        user = self.model(email=email, username=username, **extra_fields)
        user.set_password(password)
        user.save(using=self._db)
        return user

    def create_superuser(self, username, email, password, **extra_fields):
        """Create and save a SuperUser with the given email and password."""
        extra_fields.setdefault("is_staff", True)
        extra_fields.setdefault("is_superuser", True)
        extra_fields.setdefault("role", Role.objects.get(pk=1))
        extra_fields.setdefault("company", Company.objects.get(pk=1))
        extra_fields.setdefault("first_name", "Administrator")
        extra_fields.setdefault("classification", "1")
        if extra_fields.get("is_staff") is not True:
            raise ValueError("Superuser must have is_staff=True.")
        if extra_fields.get("is_superuser") is not True:
            raise ValueError("Superuser must have is_superuser=True.")
        super_user = self._create_user(username, email, password, **extra_fields)
        super_user.created_by = super_user
        super_user.save(using=self._db)
        return super_user
      ...