[Python] Create super user in Django with email instead of username

This is the first time that I ask something... So I'll try to be precise.

I am building a django app for my final project, and I have encountered some trouble with the authentication system.

What I'm trying to do is create a superuser with the command:

python manage.py createsuperuser


But I want to use the email adress, instead of the username field.

For this reason, I wrote the following code:

My CustomUser:

class CustomUser(AbstractUser):
username = models.CharField(max_length=50, null=True, blank=True)
USERNAME_FIELD = 'email'
REQUIRED_FIELDS = []

creation_date = models.DateTimeField(auto_now_add=True)
modification_date = models.DateTimeField(auto_now=True)

name = models.CharField(max_length=50, blank=False, null=False)
last_name = models.CharField(max_length=50, blank=True, null=True)
email = models.EmailField(unique=True)
date_of_birth = models.DateField(blank=False, null=False)
nif = models.CharField(max_length=9, blank=False, null=False)
sex = models.CharField(max_length=1, choices=SEX_CHOICES)
phone = models.CharField(max_length=15, blank=True, null=True)
mobile = models.CharField(max_length=15, blank=True, null=True)

specialty = models.CharField(max_length=30, choices=SPECIALTY_CHOICES)
license_number = models.CharField(max_length=50)



def __str__(self):
string = 'Name: ' + self.name + ' ' + self.last_name + ', email: ' + self.email
return string

def has_role(self, center, role):
try:
center_role = CenterRole.objects.get(user=self, center=center, role=role)
return True
except CenterRole.DoesNotExist:
return False


And I also created a CustomUserManager (I thought that, by doing that, I wouldn't encounter any more problems):

class CustomUserManager(BaseUserManager):
use_in_migrations = True

def _create_user(self, email, password, **extra_fields):
"""
Creates and saves a CustomUser with the given email and password.
"""
if not email:
raise ValueError('Users must have an email address')

email = self.normalize_email(email)
user = self.model(email=email, **extra_fields)
user.set_password(password)
user.save(using=self._db)
return user

def create_user(self, email, password, **extra_fields):
extra_fields.setdefault('is_superuser', False)
return self._create_user(email, password, **extra_fields)

def create_superuser(self, email, password, **extra_fields):
extra_fields.setdefault('is_superuser', True)

if extra_fields.get('is_superuser') is not True:
raise ValueError('Superuser must have is_superuser=True.')

return self._create_user(email, password, **extra_fields)


But now, when I run the command to create the superuser, I get this error message:

TypeError: UserManager.create_superuser() missing 1 required positional argument: 'username'
​

I also created the corresponding variable in my settings.py with the custom user:

AUTH_USER_MODEL = 'users_auth.CustomUser'


So I don't know that the problem could be... I would appreaciate any help you could offer.

Thanks!

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