Round up the minutes of a datetime object to any minute factor

round_up_minutes.py

import datetime
import math


def round_up_minutes(dt=None, minute_factor=60):
    """ Round up the minutes of a datetime object to any minute factor
    dt : datetime.datetime object, default now.
    minute_factor : number to which closest factor the minutes will round up
    with minute_factor = 15 it would round up to the closest quarter hour (0, 15, 30, 45)
    with minute_factor = 60 it would always round up to the next full hour
    """
    if dt is None:
        dt = datetime.datetime.now()
    upmins = math.ceil(float(dt.minute)/minute_factor)*minute_factor
    diffmins = upmins - dt.minute
    newtime = dt + datetime.timedelta(minutes=diffmins)
    newtime = newtime.replace(second=0)
    newtime = newtime.replace(microsecond=0)
    return newtime