Grooveshark

#!/usr/bin/env python
# - coding: utf-8 -

import os
import sys
import re
import gtk
import time
from subprocess import Popen, PIPE

class Protocol_Handler:
  def __init__(self):
    
    # Findout if Grooveshark Desktop is running
    if "bin/Grooveshark" not in os.popen("ps -Af").read():
      whereis = Popen("whereis Grooveshark".split(" "), stdout=PIPE, stderr=PIPE)
      stdout, stderr = whereis.communicate()
      
      m = re.match("^Grooveshark\: (.*?)(\n| )", stdout)
      if m:
        Popen(m.group(1))
    
    # Search for valid gs:// argument
    self.gs_url = None
    for arg in sys.argv:
      if re.search("^gs\:\/\/", arg):
        self.gs_url = arg
        break
      
    # Find shortcutAction.txt file
    self._homedir = "%s/.appdata" % os.path.expanduser('~')
    self._appdata = os.listdir(self._homedir)
    self._shortcutAction = None
    
    for name in self._appdata:
      m = re.match("^(GroovesharkDesktop[A-Z0-9\.]+)$", name)
      
      if m:
        self._shortcutAction = "%s/%s/Local Store/shortcutAction.txt" % (self._homedir, m.group(0))
        
        if os.path.exists(self._shortcutAction):
          break
        else:
          
          # If shortcutAction.txt doesn't exist try to create it
          try: open(self._shortcutAction, 'w').close()
          except: pass
          
          if os.path.exists(self._shortcutAction):
            break
          else:
            self._shortcutAction = None
    
    # Toggle if everything is OK
    if not self._shortcutAction == None and not self.gs_url == None:
      self.toggle("Protocol %s" % self.gs_url)
      
  # Handle toggle
  def toggle(self, toggle):
    if os.path.exists(self._shortcutAction) and os.access(self._shortcutAction, os.W_OK):
      try:
        file = open(self._shortcutAction, "a")
        file.write("%s\n" % toggle)
        file.close()
      except Exception, e:
        print e
  
if __name__ == '__main__':
  Protocol_Handler()