users/models.py

from django.conf import settings
from django.contrib.auth.models import User
from django.db import models
import pytz


# GENERAL Methods and Classes
#
def get_userprofile(user):
    try:
        profile = user.userprofile
    except UserProfile.DoesNotExist:
        profile = UserProfile(user=user)
        profile.save()
    return profile


# USERPROFILE Model
#
class UserProfile(models.Model):
    user = models.OneToOneField(User, unique=True, on_delete=models.CASCADE)
    timezone = models.CharField(max_length=150, default='UTC', choices=[(t, t) for t in pytz.common_timezones])
    language_code = models.CharField(max_length=150, default='en', choices=settings.LANGUAGES)