Update Check

#Check Pastebin for an update, update the executable if required#
#Designed to be copied/pasted into code#

#Import required modules
import sys
import urllib.request
import logging

#Declare Variables
##Current Code Version
actualVersion = "003"
##ID for version checking
versionID = "S73PQGEA"
##ID for downloading source
sourceID = "VxMfuSY0"

#Attempt to check if an updated version is available
logging.debug("Checking for new version online")
opener = urllib.request.FancyURLopener({})
url = "http://pastebin.com/raw/"
f = opener.open(url+versionID)
content = f.read().decode("utf-8")
logging.debug("Checked for new version")

#Compare version numbers, download new source if required
if content != actualVersion:
  logging.warn("A new version is available!")
  logging.warn("Attempting to install latest version")
  opener = urllib.request.FancyURLopener({})
  url = "http://pastebin.com/raw/"
  f = opener.open(url+sourceID)
  content = f.read()
  logging.debug("Downloaded new version")

  logging.debug("Attempting to overwrite file")
  f_h = open(str(sys.argv[0]), "wb")
  f_h.write(content)
  f_h.close()
  logging.warn("Installed latest version - Restart to see!")
else:
  logging.debug("No new version found")