Python count_user_by_pseudoの例

コード例 #1

def user_exists(form, field):
    if count_user_by_pseudo(field.data) == 0:
        raise ValidationError("Does not exists.")

コード例 #2

def unique_user(form, field):
    """
    Check if user's pseudo is not already used.
    """
    if count_user_by_pseudo(field.data) > 0:
        raise ValidationError("Pseudo unavailable.")