X-Git-Url: https://git.linta.de/?p=~helmut%2Fonoff.git;a=blobdiff_plain;f=dbus_client.py;h=fbaf33a26571c6d921450fd6a939ffbfe679e6ed;hp=8316a7c39f7e8f6409f56e0a01b3c9ff26d05bae;hb=ebb54f285c50e188cf3548de99072c0b082ed742;hpb=87405d3678bb9788e4adf58356bd2f6f2c03fdc1

diff --git a/dbus_client.py b/dbus_client.py
index 8316a7c..fbaf33a 100755
--- a/dbus_client.py
+++ b/dbus_client.py
@@ -1,46 +1,62 @@
 #!/usr/bin/env python
+"""
+A simpe client for an onoff device. If no command is given, the device is
+temporarily activated. When a command is given, the device is activated, then
+the command is run. Some time after the command finishes, the device is
+released.
+"""
 
+import argparse
 import os
-import socket
-import sys
 
-import dbus
 from dbus.mainloop.glib import DBusGMainLoop
 from gi.repository import GObject
 
 from onoff.common import ST_ACTIVE
+import onoff.dbusutils
 
-def wait_for_signal(proxy, signal):
+def wait_for_signal(proxy, signal, desired_state):
     loop = GObject.MainLoop()
-    state = []
     def callback(st):
-        state.append(st)
-        loop.quit()
+        if st == desired_state:
+            loop.quit()
     proxy.connect_to_signal(signal, callback)
     loop.run()
-    return state[0]
 
 def main():
-    s1, s2 = socket.socketpair()
+    parser = argparse.ArgumentParser(parents=[onoff.dbusutils.dbus_options])
+    parser.add_argument("--duration", type=int, default=10,
+                        help="how long to activate the device in seconds " +
+                        "(default: %(default)d")
+    parser.add_argument("command", nargs=argparse.REMAINDER,
+                        help="a command to be executed with the device being" +
+                             "activated for the duration of the execution")
+    parser.add_argument("--list", action="store_true",
+                        help="list available devices and exit")
+    args = parser.parse_args()
     DBusGMainLoop(set_as_default=True)
-    bus = dbus.SessionBus()
-    proxy = bus.get_object("de.subdivi.onoff", "/de/subdivi/onoff/redshift")
-    if len(sys.argv) > 1:
-        st = proxy.activatefd(dbus.types.UnixFd(s1), 10)
-        s1.close()
-        os.dup2(s2.fileno(), 254)
-        s2.close()
+    if args.list:
+        bus = onoff.dbusutils.get_dbus(args)
+        for elem in onoff.dbusutils.list_objects(bus, args.busname):
+            print(elem)
+    elif args.command:
+        proxy = onoff.dbusutils.get_dbus_proxy(args)
+        st, fd = proxy.activatefd()
+        fd = fd.take()
+        os.dup2(fd, 254)
+        os.close(fd)
         if st != ST_ACTIVE:
             print("state is %d waiting for signal" % st)
-            st = wait_for_signal(proxy, "changestate")
-            print("new state is %d" % st)
-        os.execvp(sys.argv[1], sys.argv[1:])
+            wait_for_signal(proxy, "changestate", ST_ACTIVE)
+            print("new state is actived")
+        os.execvp(args.command[0], args.command)
     else:
-        st = proxy.activatetime(10)
+        proxy = onoff.dbusutils.get_dbus_proxy(args)
+        st = proxy.activatetime(args.duration)
         if st != ST_ACTIVE:
             print("state is %d waiting for signal" % st)
-            st = wait_for_signal(proxy, "changestate")
-            print("new state is %d" % st)
+            wait_for_signal(proxy, "changestate", ST_ACTIVE)
+            print("new state is active")
 
 if __name__ == "__main__":
     main()