Returns a prettyfied date

pretty_date.py

def pretty_date(dt, default='gerade'):
    """
    Returns string representing "time since" e.g.
    3 days ago, 5 hours ago etc.
    Ref: https://bitbucket.org/danjac/newsmeme/src/a281babb9ca3/newsmeme/
    """
    now = datetime.utcnow()
    diff = now - dt
    periods = (
        (diff.days / 365, 'Jahr', 'Jahren'),
        (diff.days / 30, 'Monat', 'Monaten'),
        (diff.days / 7, 'Woche', 'Wochen'),
        (diff.days, 'Tag', 'Tagen'),
        (diff.seconds / 3600, 'Stunde', 'Stunden'),
        (diff.seconds / 60, 'Minute', 'Minuten'),
        (diff.seconds, 'Sekunde', 'Sekunden'),
    )
    for period, singular, plural in periods:
        if not period:
            continue

        if period == 1:
            return u'vor %d %s' % (period, singular)
        else:
            return u'vor %d %s' % (period, plural)
    return default