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 service_name = 'org.ladish'
  27
  28 control_object_path = "/org/ladish/Control"
  29 studio_object_path = "/org/ladish/Studio"
  30
  31 control_interface_name = 'org.ladish.Control'
  32 studio_interface_name = 'org.ladish.Studio'
  33
  34 import sys
  35 import os
  36 import time
  37 from traceback import print_exc
  38
  39 import dbus
  40
  41 def bool_convert(str_value):
  42     if str_value.lower() == "false":
  43         return False
  44
  45     if str_value.lower() == "off":
  46         return False
  47
  48     if str_value.lower() == "no":
  49         return False
  50
  51     if str_value == "0":
  52         return False
  53
  54     if str_value.lower() == "(null)":
  55         return False
  56
  57     return bool(str_value)
  58
  59 def dbus_type_to_python_type(dbus_value):
  60     if type(dbus_value) == dbus.Boolean:
  61         return bool(dbus_value)
  62     if type(dbus_value) == dbus.Int32 or type(dbus_value) == dbus.UInt32:
  63         return int(dbus_value)
  64     return dbus_value
  65
  66 def dbus_type_to_type_string(dbus_value):
  67     if type(dbus_value) == dbus.Boolean:
  68         return "bool"
  69     if type(dbus_value) == dbus.Int32:
  70         return "sint"
  71     if type(dbus_value) == dbus.UInt32:
  72         return "uint"
  73     if type(dbus_value) == dbus.Byte:
  74         return "char"
  75     if type(dbus_value) == dbus.String:
  76         return "str"
  77
  78     return None                         # throw exception here?
  79
  80 def dbus_typesig_to_type_string(type_char):
  81     type_char = str(type_char)
  82     if type_char == 'i':
  83         return "sint"
  84     if type_char == 'u':
  85         return "uint"
  86     if type_char == 'y':
  87         return "char"
  88     if type_char == 's':
  89         return "str"
  90     if type_char == 'b':
  91         return "bool"
  92
  93     print('unknown dbus typesig')
  94     return None                         # throw exception here?
  95
  96 def main():
  97     if len(sys.argv) == 1:
  98         print("Usage: %s [command] [command] ..." % os.path.basename(sys.argv[0]))
  99         print("Commands:")
 100         print("    exit                 - exit ladish dbus service")
 101         print("    slist                - list studios")
 102         print("    alist                - list apps")
 103         print("    sload <studioname>   - load studio")
 104         print("    sdel <studioname>    - delete studio")
 105         print("    snew [studioname]    - new studio")
 106         print("    sisloaded            - is studio loaded?")
 107         print("    sname                - get studio name")
 108         print("    ssave                - save studio")
 109         print("    sunload              - unload studio")
 110         print("    srename <studioname> - rename studio")
 111         print("    sstart               - start studio")
 112         print("    sstop                - stop studio")
 113         sys.exit(0)
 114
 115     bus = dbus.SessionBus()
 116     control_obj = None
 117     studio_obj = None
 118
 119     # check arguments
 120     index = 1
 121     while index < len(sys.argv):
 122         arg = sys.argv[index]
 123         index += 1
 124         try:
 125             if not control_obj:
 126                 control_obj = bus.get_object(service_name, control_object_path)
 127                 control_iface = dbus.Interface(control_obj, control_interface_name)
 128
 129             if arg == "exit":
 130                 print("--- exit")
 131                 control_iface.Exit()
 132                 time.sleep(1)
 133                 # we have deactivated the object and we need to get new connection if there are more commands
 134                 control_obj = None
 135                 control_iface = None
 136             elif arg == 'slist':
 137                 print("--- studio list")
 138                 for studio in control_iface.GetStudioList():
 139                     name = studio[0]
 140                     mtime = studio[1]['Modification Time']
 141                     print('"%s" last modified on %s' % (name, time.ctime(mtime)))
 142             elif arg == 'alist':
 143                 print("--- app list")
 144                 for app in control_iface.GetApplicationList():
 145                     print(app)
 146             elif arg == 'sload':
 147                 print("--- studio load")
 148                 if index >= len(sys.argv):
 149                     print("load studio command requires studio name argument")
 150                     sys.exit()
 151
 152                 arg = sys.argv[index]
 153                 index += 1
 154
 155                 open_options = {}
 156                 #open_options["option1"] = "asd"
 157                 #open_options["option2"] = True
 158
 159                 control_iface.LoadStudio(arg, open_options)
 160             elif arg == 'sdel':
 161                 print("--- studio delete")
 162                 if index >= len(sys.argv):
 163                     print("delete studio command requires studio name argument")
 164                     sys.exit()
 165
 166                 arg = sys.argv[index]
 167                 index += 1
 168
 169                 control_iface.DeleteStudio(arg)
 170             elif arg == 'snew':
 171                 print("--- studio new")
 172                 name = ""
 173                 if index < len(sys.argv):
 174                     name = sys.argv[index]
 175                     index += 1
 176
 177                 control_iface.NewStudio(name)
 178             elif arg == 'sisloaded':
 179                 print("--- studio is loaded")
 180                 if control_iface.IsStudioLoaded():
 181                     print("yes")
 182                 else:
 183                     print("no")
 184             else:
 185                 if not studio_obj:
 186                     studio_obj = bus.get_object(service_name, studio_object_path)
 187                     studio_iface = dbus.Interface(studio_obj, studio_interface_name)
 188
 189                 if arg == 'sname':
 190                     print("--- studio get name")
 191                     print("\"%s\"" % studio_iface.GetName())
 192                 elif arg == 'ssave':
 193                     print("--- studio save")
 194                     studio_iface.Save()
 195                 elif arg == 'sunload':
 196                     print("--- studio unload")
 197                     studio_iface.Unload()
 198                     studio_obj = None
 199                     studio_iface = None
 200                 elif arg == 'srename':
 201                     print("--- studio rename")
 202                     if index >= len(sys.argv):
 203                         print("rename studio command requires studio name argument")
 204                         sys.exit()
 205
 206                     arg = sys.argv[index]
 207                     index += 1
 208
 209                     studio_iface.Rename(arg)
 210                 elif arg == 'sstart':
 211                     print("--- studio start")
 212                     studio_iface.Start()
 213                 elif arg == 'sstop':
 214                     print("--- studio stop")
 215                     studio_iface.Stop()
 216                 else:
 217                     print("Unknown command '%s'" % arg)
 218         except dbus.DBusException, e:
 219             print("DBus exception: %s" % str(e))
 220
 221 if __name__ == '__main__':
 222     main()