etesync-server/myauth/models.py

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from django.contrib.auth.models import AbstractUser, UserManager as DjangoUserManager
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from django.core import validators
from django.db import models
from django.utils.deconstruct import deconstructible
from django.utils.translation import gettext_lazy as _
@deconstructible
class UnicodeUsernameValidator(validators.RegexValidator):
regex = r'^[\w.+-]+\Z'
message = _(
'Enter a valid username. This value may contain only letters, '
'numbers, and ./+/-/_ characters.'
)
flags = 0
class UserManager(DjangoUserManager):
def get_by_natural_key(self, username):
return self.get(**{self.model.USERNAME_FIELD + '__iexact': username})
class User(AbstractUser):
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username_validator = UnicodeUsernameValidator()
objects = UserManager()
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username = models.CharField(
_('username'),
max_length=150,
unique=True,
help_text=_('Required. 150 characters or fewer. Letters, digits and ./+/-/_ only.'),
validators=[username_validator],
error_messages={
'unique': _("A user with that username already exists."),
},
)
@classmethod
def normalize_username(cls, username):
return super().normalize_username(username).lower()