def validate_email(self, field):
if re.fullmatch('^[a-zA-Z0-9\-._]+@[a-zA-Z0-9._\-]+\.[a-zA-Z0-9_\-]+$',
field.data) is None:
raise ValidationError('Not a valid email address')
if User.email_exists(
field.data) and field.data != User.get_email(session['id']):
raise ValidationError('email occupied')
def validate_email(self, field):
if not User.email_exists(field.data):
raise ValidationError('No such email in the database')