timeago.py

import datetime

compare_date = datetime.datetime(2014, 2, 8, 18, 5, 1)

def timeAgo(time):
    current_time = datetime.datetime.now().time()
    today = datetime.date.today()
    current_month = today.month
    current_year = today.year
    
    total_current_time = (current_year-1)*525949 + (current_month-1)*43829 + today.day*1440 + current_time.hour*60 + current_time.minute
    total_passed_time = (time.year-1)*525949 + (time.month-1)*43829 + time.day*1440 + time.hour*60 + time.minute
    total_diff = total_current_time - total_passed_time
    
    if total_diff < 0:
        return "What? That's the future."
    
    if total_diff <= 1:
        return "Just now"
    elif total_diff <= 59:
        return "%d minute(s) ago" % total_diff
    elif total_diff <= 1439:
        to_return = total_diff / 60
        return "%d hour(s) ago" % to_return
    elif total_diff <= 10079:
        to_return = (total_diff / 60) / 24
        return "%d day(s) ago" % to_return
    elif total_diff <= 43828:
        to_return = (((total_diff / 60) / 24) / 7)
        return "%d week(s) ago" % to_return
    else:
        to_return = total_diff / 43829
        return "%d month(s) ago" % to_return
    
print timeAgo(compare_date)