ladish_control

   1 #!/usr/bin/env python
   2 #
   3 # LADI Session Handler (ladish)
   4 #
   5 # Copyright (C) 2008, 2009 Nedko Arnaudov <nedko@arnaudov.name>
   6 #
   7 #*************************************************************************
   8 # This file contains code of the commandline control app
   9 #*************************************************************************
  10 #
  11 # LADI Session Handler is free software; you can redistribute it and/or modify
  12 # it under the terms of the GNU General Public License as published by
  13 # the Free Software Foundation; either version 2 of the License, or
  14 # (at your option) any later version.
  15 #
  16 # LADI Session Handler is distributed in the hope that it will be useful,
  17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 # GNU General Public License for more details.
  20 #
  21 # You should have received a copy of the GNU General Public License
  22 # along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
  23 # or write to the Free Software Foundation, Inc.,
  24 # 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  25
  26 control_interface_name = 'org.ladish.Control'
  27 service_name = 'org.ladish'
  28 dbus_object_path = "/org/ladish/Control"
  29
  30 import sys
  31 import os
  32 import time
  33 from traceback import print_exc
  34
  35 import dbus
  36
  37 def bool_convert(str_value):
  38     if str_value.lower() == "false":
  39         return False
  40
  41     if str_value.lower() == "off":
  42         return False
  43
  44     if str_value.lower() == "no":
  45         return False
  46
  47     if str_value == "0":
  48         return False
  49
  50     if str_value.lower() == "(null)":
  51         return False
  52
  53     return bool(str_value)
  54
  55 def dbus_type_to_python_type(dbus_value):
  56     if type(dbus_value) == dbus.Boolean:
  57         return bool(dbus_value)
  58     if type(dbus_value) == dbus.Int32 or type(dbus_value) == dbus.UInt32:
  59         return int(dbus_value)
  60     return dbus_value
  61
  62 def dbus_type_to_type_string(dbus_value):
  63     if type(dbus_value) == dbus.Boolean:
  64         return "bool"
  65     if type(dbus_value) == dbus.Int32:
  66         return "sint"
  67     if type(dbus_value) == dbus.UInt32:
  68         return "uint"
  69     if type(dbus_value) == dbus.Byte:
  70         return "char"
  71     if type(dbus_value) == dbus.String:
  72         return "str"
  73
  74     return None                         # throw exception here?
  75
  76 def dbus_typesig_to_type_string(type_char):
  77     type_char = str(type_char)
  78     if type_char == 'i':
  79         return "sint"
  80     if type_char == 'u':
  81         return "uint"
  82     if type_char == 'y':
  83         return "char"
  84     if type_char == 's':
  85         return "str"
  86     if type_char == 'b':
  87         return "bool"
  88
  89     print 'shit'
  90     return None                         # throw exception here?
  91
  92 def main():
  93     if len(sys.argv) == 1:
  94         print "Usage: %s [command] [command] ..." % os.path.basename(sys.argv[0])
  95         print "Commands:"
  96         print "    exit                 - exit ladish dbus service"
  97         print "    studios              - list studios"
  98         print "    apps                 - list apps"
  99         print "    load <studioname>    - load studio"
 100         sys.exit(0)
 101
 102     bus = dbus.SessionBus()
 103     lash = None
 104
 105     # check arguments
 106     index = 1
 107     while index < len(sys.argv):
 108         arg = sys.argv[index]
 109         index += 1
 110         try:
 111             if not lash:
 112                 lash = bus.get_object(service_name, dbus_object_path)
 113                 control_iface = dbus.Interface(lash, control_interface_name)
 114
 115             if arg == "exit":
 116                 print "--- exit"
 117                 control_iface.Exit()
 118                 time.sleep(1)
 119                 # we have deactivated the object and we need to get new connection if there are more commands
 120                 lash = None
 121                 control_iface = None
 122             elif arg == 'studios':
 123                 print "--- studio list"
 124                 for studio in control_iface.GetStudioList():
 125                     name = studio[0]
 126                     mtime = studio[1]['Modification Time']
 127                     print '"%s" last modified on %s' % (name, time.ctime(mtime))
 128             elif arg == 'apps':
 129                 print "--- app list"
 130                 for app in control_iface.GetApplicationList():
 131                     print app
 132             elif arg == 'load':
 133                 if index >= len(sys.argv):
 134                     print "load studio command requires studio name argument"
 135                     sys.exit()
 136
 137                 arg = sys.argv[index]
 138                 index += 1
 139
 140                 open_options = {}
 141                 #open_options["option1"] = "asd"
 142                 #open_options["option2"] = True
 143
 144                 control_iface.LoadStudio(arg, open_options)
 145             else:
 146                 print "Unknown command '%s'" % arg
 147         except dbus.DBusException, e:
 148             print "DBus exception: %s" % str(e)
 149
 150 if __name__ == '__main__':
 151     main()