convertes a unix timestamp into a human readable string in python (ex: 2 years, 1 month and 7 seconds)

sectostr.py

import time

def sectostr(t):
    _time = ""
    (t, _time) = sectostr_one(31536000, "year",   "years", "one", t, _time)
    (t, _time) = sectostr_one(604800,   "week",   "weeks", "one", t, _time)
    (t, _time) = sectostr_one(86400,    "day",    "days",  "one", t, _time)
    (t, _time) = sectostr_one(3600,     "hour",   "hours", "one", t, _time)
    (t, _time) = sectostr_one(60,       "minute", "minutes", "one", t, _time)
    (t, _time) = sectostr_one(1,        "second", "seconds", "one", t, _time)

    if not len(_time):
        _time = "0 seconds"

    return _time

def sectostr_one (x, cap, cappl, capone, t, _time):

    if t >= x:
        num = int(t / x)
        t = t % x
        if len(_time) != 0:
            if t > 0:
                _time = _time + ", "
            else:
                _time = _time + " and "
        if num > 1:
	        _time = _time + str(num) + " " + cappl
        else:
            _time = _time + capone + " " + cap
    return (t, _time)

print (sectostr(355345))