directory-provider.py

   1 # directory-provider.py - Registers and runs single-JavaScript-file services
   2 # (c) 2008  Sander Dijkhuis <sander.dijkhuis@gmail.com>
   3
   4 from __future__ import with_statement
   5 import dbus
   6 import dbus.mainloop.glib
   7 import dbus.service
   8 import gobject
   9 import os
  10 import sys
  11
  12 USAGE = """Usage: python directory-provider.py /PATH/TO/SERVICE_DIRECTORY
  13 Provides a service X for each file X.js in the specified directory."""
  14
  15 class DirectoryProvider(dbus.service.Object):
  16     def __init__(self, path):
  17         self.path = path
  18
  19         object_path = '/nl/momple/Atlantis/DirectoryProvider'
  20         dbus.service.Object.__init__(self, dbus.SessionBus(), object_path)
  21
  22         bus_name = 'nl.momple.Atlantis.DirectoryProvider'
  23         self.connection.request_name(bus_name)
  24
  25         server = self.connection.get_object('nl.momple.Atlantis.Server',
  26                                             '/nl/momple/Atlantis/Server')
  27
  28         for file in os.listdir(path):
  29             if file[-3:] == '.js':
  30                 server.RegisterService(bus_name, object_path, file[:-3])
  31
  32     @dbus.service.method(dbus_interface='nl.momple.Atlantis.Service',
  33                          in_signature='ss', out_signature='s')
  34     def GetContent(self, service, url_path):
  35         if url_path == '/main.js' \
  36         and os.path.exists('%s/%s.js' % (self.path, service)):
  37             print '200: /-/%s/main.js' % service
  38             with open('%s/%s.js' % (self.path, service)) as f:
  39                 return 'HTTP/1.1 200 OK\nContent-Type: text/javascript\n\n' \
  40                        + ''.join(f.readlines())
  41         else:
  42             print '404: %s' % url_path
  43             return 'HTTP/1.1 404 Not Found\n\nNot found'
  44
  45 if __name__ == '__main__':
  46     if len(sys.argv) != 2:
  47         sys.exit(USAGE)
  48
  49     dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
  50
  51     ts = DirectoryProvider(sys.argv[1])
  52
  53     loop = gobject.MainLoop()
  54     try:
  55         loop.run()
  56     except KeyboardInterrupt:
  57         print 'Goodbye'
  58         loop.quit()