Get (year,month) for the last X months

Question

I got a very simple thing to to in python: I need a list of tuples (year,month) for the last x months starting (and including) from today. So, for x=10 and toda

Answer 1

Update: Adding a timedelta version anyway, as it looks prettier :)

def get_years_months(start_date, months):
    for i in range(months):
        yield (start_date.year, start_date.month)
        start_date -= datetime.timedelta(days=calendar.monthrange(start_date.year, start_date.month)[1])

You don't need to work with timedelta since you only need year and month, which is fixed.

def get_years_months(my_date, num_months):
    cur_month = my_date.month
    cur_year = my_date.year

    result = []
    for i in range(num_months):
        if cur_month == 0:
            cur_month = 12
            cur_year -= 1
        result.append((cur_year, cur_month))
        cur_month -= 1

    return result

if __name__ == "__main__":
    import datetime
    result = get_years_months(datetime.date.today(), 10)
    print result