gistfile1.txt

#!/usr/bin/python
import sys, datetime, time, subprocess
 
def apple_year_offset(dateobj, years=0):
    # Convert to a maleable format
    mod_time = dateobj.timetuple()
    # Offset year by number of years
    mod_time = time.struct_time(tuple([mod_time[0]+years]) + mod_time[1:])
    # Convert back to a datetime obj
    return datetime.datetime.fromtimestamp(int(time.mktime(mod_time)))
 
def get_serial():
    '''Returns the serial number of this Mac'''
    cmd = ['/usr/sbin/ioreg', '-c', 'IOPlatformExpertDevice', '-d', '2']
    output = subprocess.check_output(cmd)
    for line in output.splitlines():
        if 'IOPlatformSerialNumber' in line:
            return line.split(' = ')[1].replace('\"','')
    return None
 
def manufacture_date(serial):
    # http://www.macrumors.com/2010/04/16/apple-tweaks-serial-number-format-with-new-macbook-pro/
    est_date = u''
    if 10 < len(serial) < 13:
        if len(serial) == 11:
            # Old format
            year = serial[2].lower()
            est_year = 2000 + '   3456789012'.index(year)
            week = int(serial[3:5]) - 1
            year_time = datetime.date(year=est_year, month=1, day=1)
            if (week):
                week_dif = datetime.timedelta(weeks=week)
                year_time += week_dif
        else:
            # New format
            alpha_year = 'cdfghjklmnpqrstvwxyz'
            year = serial[3].lower()
            est_year = 2010 + (alpha_year.index(year) / 2)
            # 1st or 2nd half of the year
            est_half = alpha_year.index(year) % 2
            week = serial[4].lower()
            alpha_week = ' 123456789cdfghjklmnpqrtvwxy'
            est_week = alpha_week.index(week) + (est_half * 26) - 1
            year_time = datetime.date(year=est_year, month=1, day=1)
            if (est_week):
                week_dif = datetime.timedelta(weeks=est_week)
                year_time += week_dif
                return apple_year_offset(year_time).strftime('%Y-%m-%d %H:%M:%S')
 
def main():
    serial = get_serial()
    print "<result>" + manufacture_date(serial) + "</result>"
 
if __name__ == "__main__":
    main()