AirMail Beta Automatic Updater Script

update_airmail_beta.py

#!/usr/bin/python
import re,urllib2,urllib
import subprocess, shutil


try:
  f = open('/Applications/AirMail Beta.app/Contents/Info.plist','r')
  plist = f.read();
  # <key>CFBundleVersion</key\>.*
  my_bundlever = re.findall('CFBundleVersion.*\n.*\<string\>(\d*)\</string\>',plist)[0]
except IOError:
  my_bundlever = 0

htmlpage = urllib2.urlopen("https://rink.hockeyapp.net/apps/84be85c3331ee1d222fd7f0b59e41b04").read()
matches = re.findall("button' href='([^\']*)'.*?Version (.*?) \(([0-9]*)\)",htmlpage.replace("\n",""))

url = matches[0][0]
latest_version = matches[0][1]
latest_bundlever = matches[0][2]

print "My AirMail bundle version is %s, latest is %s (%s)..." % (my_bundlever,latest_bundlever,latest_version)
if latest_bundlever > my_bundlever:
  print "Outdated...  downloading..."
  file_name = "AirMailBeta_%s.zip" % latest_bundlever
  u = urllib2.urlopen(url)
  f = open("/tmp/%s" % file_name, 'wb')
  meta = u.info()
  file_size = int(meta.getheaders("Content-Length")[0])
  print "Downloading: %s Bytes: %s" % (file_name, file_size)
  file_size_dl = 0
  block_sz = 8192
  while True:
      buffer = u.read(block_sz)
      if not buffer:
          break

      file_size_dl += len(buffer)
      f.write(buffer)
      status = r"%10d  [%3.2f%%]" % (file_size_dl, file_size_dl * 100. / file_size)
      status = status + chr(8)*(len(status)+1)
      print status,

  f.close()

  shutil.rmtree("/tmp/AirMail Beta.app", True)
  subprocess.call(['unzip', "/tmp/%s" % file_name, "-d", "/tmp/"])
  subprocess.call(['killall', "-9", "AirMail Beta"])
  shutil.rmtree("/Applications/AirMail Beta.app", True)
  shutil.move("/tmp/AirMail Beta.app", "/Applications/AirMail Beta.app")
  subprocess.call(['open', '/Applications/AirMail Beta.app'])

  print "Done!"

else:
  print "Up to date."