from django import template


def pretty_money(value):
    if value%100 == 0:
        return "{:s}{:d} €".format("- " if value < 0 else "", abs(value) // 100)
    else:
        return "{:s}{:d} € {:02d}".format("- " if value < 0 else "", abs(value) // 100, abs(value) % 100)


register = template.Library()
register.filter('pretty_money', pretty_money)