from django.utils import timezone


def today():
    return timezone.localtime(timezone.now()).date()


def current_week():
    return timezone.localtime(timezone.now()).isocalendar()[1]


def local_time_format(time, format='%Y-%m-%d %H:%M:%S'):
    if not time:
        return time
    return timezone.localtime(time).strftime(format)