def validate_username(self, username):
if re.search(NON_ALPHANUMERIC_RE, username):
raise ma.ValidationError('Username should only contain letters, numbers '
'and/or the underscore character.')
existing = self.user_manager.get_by(username=username)
if existing and (self.is_create() or existing != self.instance):
raise ma.ValidationError('Sorry, that username is already taken.')
def validate_email(self, email):
existing = self.user_manager.get_by(email=email)
if existing and (self.is_create() or existing != self.instance):
raise ma.ValidationError('Sorry, that email is already taken.')
def validate_email(self, email):
existing = self.user_manager.get_by(email=email)
if existing and (self.is_create() or existing != self.instance):
raise ma.ValidationError(
_('flask_unchained.bundles.security:error.email_already_associated',
email=email))