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@pudquick
Last active March 10, 2019 11:49
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Casper warranty estimation, stored locally at /Library/Preferences/com.apple.warranty - in python!
#!/usr/bin/python
import os.path, subprocess, datetime, dateutil.parser, time, sys
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 estimated_warranty_date_from_serial(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, 3).strftime('%Y-%m-%d')
def warranty_is_expired(date_string):
ExpirationDate=dateutil.parser.parse(date_string).date()
TodaysDate=datetime.date.today()
return TodaysDate > ExpirationDate
def main():
if os.path.exists('/Library/Preferences/com.apple.warranty.plist'):
# get plist data
WarrantyDate=subprocess.check_output(['/usr/bin/defaults', 'read', '/Library/Preferences/com.apple.warranty', 'WarrantyDate']).rstrip()
WarrantyStatus=subprocess.check_output(['/usr/bin/defaults', 'read', '/Library/Preferences/com.apple.warranty', 'WarrantyStatus']).rstrip()
# if warranty is listed as active but date is expired, update plist entry
if (WarrantyStatus == "Active") and (warranty_is_expired(WarrantyDate)):
WarrantyStatus="Inactive"
result_code = subprocess.call(['/usr/bin/defaults', 'write', '/Library/Preferences/com.apple.warranty', 'WarrantyStatus', WarrantyStatus])
print "Status updated."
else:
print "Status unchanged."
print "<result>%s : %s</result>" % (WarrantyStatus, WarrantyDate)
sys.exit(0)
# get serial number
SerialNumber=subprocess.check_output('ioreg -l | awk \'/IOPlatformSerialNumber/ { split($0, line, "\\""); printf("%s\\n", line[4]); }\'', shell=True).rstrip()
if not SerialNumber:
print "Serial Number not found."
sys.exit(1)
# Now we use the code above
WarrantyDate = estimated_warranty_date_from_serial(SerialNumber)
if warranty_is_expired(WarrantyDate):
WarrantyStatus = "Expired"
else:
WarrantyStatus = "Active"
result_code = subprocess.call(['/usr/bin/defaults', 'write', '/Library/Preferences/com.apple.warranty', 'WarrantyStatus', WarrantyStatus])
result_code = subprocess.call(['/usr/bin/defaults', 'write', '/Library/Preferences/com.apple.warranty', 'WarrantyDate', WarrantyDate])
print "Serial Number:", SerialNumber
print "Warranty Status:", WarrantyStatus
print "Warranty Expiration:", WarrantyDate
print "<result>%s : %s</result>" % (WarrantyStatus, WarrantyDate)
if __name__ == "__main__":
main()
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