How can I perform divison on a datetime.timedelta in python?
Sure, just convert to a number of seconds (minutes, milliseconds, hours, take your pick of units) and do the division.
EDIT (again): so you can't assign to timedelta.__div__
. Try this, then:
divtdi = datetime.timedelta.__div__def divtd(td1, td2): if isinstance(td2, (int, long)): return divtdi(td1, td2) us1 = td1.microseconds + 1000000 * (td1.seconds + 86400 * td1.days) us2 = td2.microseconds + 1000000 * (td2.seconds + 86400 * td2.days) return us1 / us2 # this does integer division, use float(us1) / us2 for fp division
And to incorporate this into nadia's suggestion:
class MyTimeDelta: __div__ = divtd
Example usage:
>>> divtd(datetime.timedelta(hours = 12), datetime.timedelta(hours = 2))6>>> divtd(datetime.timedelta(hours = 12), 2)datetime.timedelta(0, 21600)>>> MyTimeDelta(hours = 12) / MyTimeDelta(hours = 2)6
etc. Of course you could even name (or alias) your custom class timedelta
so it gets used in place of the real timedelta
, at least in your code.