--- /dev/null
+#!/usr/bin/env python
+
+import sys, os, os.path, socket
+from optparse import OptionParser, Values
+
+VERSION = "1.1"
+CACHE_LOCATION = os.path.expanduser('~/.randombg2_filelist_cache')
+SOCKET_FILE = os.path.expanduser('~/tmp/tmp_socket')
+
+try:
+ # These are my libraries...
+ import GregDebug, AsyncSocket, WallChanger, SigHandler
+
+ from GregDebug import debug, setDebugLevel, DEBUG_LEVEL_DEBUG, DEBUG_LEVEL_LOW, DEBUG_LEVEL_MEDIUM, DEBUG_LEVEL_HIGH, DEBUG_INCREMENT
+
+ from FileLists import *
+except ImportError, e:
+ print >>sys.stderr, "Missing libraries!\nExiting..."
+ sys.exit(1)
+
+def buildparser():
+ def buildOptions():
+ pass
+ def addfilestolist(optclass, opt, value, parser, fileList):
+ fo = open(value)
+ for line in fo:
+ fileList.list.append(line.strip())
+ fo.close()
+ fileList.allowAllRandom = False
+
+ parser = OptionParser(version="%prog " + VERSION,
+ description = "Picks a random background image",
+ usage = "%prog [options] dir [dir2 ...]")
+ parser.add_option("-p", "--permanent",
+ action="store_true", dest="permanent", default=False,
+ help="Make the background permanent. Note: This will cause all machines logged in with this account to simultaneously change background [Default: %default]")
+ parser.add_option("-q", "--quiet", "--silent",
+ action="count", dest="quiet", default=0,
+ help="Make the script quiet (good for running from a shell script)")
+ parser.add_option("-v", '-d', "--verbose", "--debug",
+ action="count", dest="verbose", default=0,
+ help="Make the louder (good for debugging, or those who are curious)")
+ parser.add_option("-b", "--background-colour",
+ action="store", type="string", dest="background_colour", default="black",
+ help="Change the default background colour that is displayed if the image is not in the correct aspect ratio [Default: %default]")
+ parser.add_option("--all-random",
+ action="store_true", dest="all_random", default=False,
+ help="Make sure that all images have been displayed before repeating an image")
+ parser.add_option("--folder-random",
+ action="store_true", dest="folder_random", default=False,
+ help="Give each folder an equal chance of having an image selected from it")
+ #parser.add_option("--file-list",
+ # action="callback", callback=addfilestolist, type="string", callback_args=(fileList,),
+ # help="Adds the list of images from the external file")
+ parser.add_option("--cycle",
+ action="store", type="int", default=0, dest="cycle_time",
+ help="Cause the image to cycle every X seconds")
+ return parser
+
+
+def createIPCClient(domainSocketName):
+ sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+ sock.connect(domainSocketName)
+ sock_file = sock.makefile()
+ return sock_file
+
+def main():
+ if os.path.exists(SOCKET_FILE):
+ # We are the client
+ sock = createIPCClient(SOCKET_FILE)
+ print >>sock, "CMD NEXT"
+### print >>sock, "CMD PREVIOUS"
+### print >>sock, "CMD PAUSE"
+ sock.close()
+ else:
+ # We are the server
+ try:
+ Server(SOCKET_FILE)()
+ finally:
+ # Make sure that the socket is cleaned up
+ os.unlink(SOCKET_FILE)
+
+class Server(object):
+ def __init__(self, domainSocketName):
+ self.socketHandler = self._createIPCServer(domainSocketName)
+ self.callbackObj = None
+
+ parser = buildparser()
+ useroptions, paths = parser.parse_args(sys.argv[1:])
+
+ setDebugLevel(DEBUG_INCREMENT * (useroptions.quiet - useroptions.verbose))
+ debug("Just set GregDebug.DEBUG_LEVEL to %d" % GregDebug.DEBUG_LEVEL, DEBUG_LEVEL_LOW)
+
+ self.filelist = self.__getFileList(useroptions, paths)
+
+ if not self.filelist.hasImages():
+ print >>sys.stderr, "No files!"
+ parser.print_help()
+ sys.exit(1)
+
+ debug("Initilizing RandomBG", DEBUG_LEVEL_DEBUG)
+ self.randombg = WallChanger.RandomBG(self.filelist, useroptions.background_colour, useroptions.permanent)
+
+ # Store some of the other useful options
+ self.cycle_time = useroptions.cycle_time
+
+ def __getFileList(self, useroptions, paths):
+ if useroptions.all_random:
+ filelist = AllRandomFileList()
+ elif useroptions.folder_random:
+ filelist = FolderRandomFileList()
+ else:
+ filelist = RandomFileList()
+
+ for path in paths:
+ filelist.doAddPath(path)
+
+ if filelist.attemptCacheLoad(CACHE_LOCATION):
+ debug("Loaded cache successfully", DEBUG_LEVEL_LOW)
+ else:
+ debug("Could not load cache")
+ filelist.doScanPaths()
+ return filelist
+
+ def cycle_reload(self):
+ debug("Reloading wallpaper", DEBUG_LEVEL_LOW)
+ ret = self.randombg.cycleReload()
+ if not ret:
+ debug('Could not set wallpaper. Returned "%s"' % ret)
+ debug('About to sleep for "%d" seconds' % self.cycle_time, DEBUG_LEVEL_LOW)
+ self.callbackObj = self.socketHandler.addCallback(self.cycle_time, self.cycle_next)
+ return ret
+
+ def cycle_next(self):
+ debug("Cycling wallpaper", DEBUG_LEVEL_LOW)
+ ret = self.randombg.cycleNext()
+ if not ret:
+ debug('Could not set wallpaper. Returned "%s"' % ret)
+ debug('About to sleep for "%d" seconds' % self.cycle_time, DEBUG_LEVEL_LOW)
+ self.callbackObj = self.socketHandler.addCallback(self.cycle_time, self.cycle_next)
+ self.filelist.doStoreCache(CACHE_LOCATION)
+ return ret
+
+ def cycle_prev(self):
+ debug("Cycling wallpaper", DEBUG_LEVEL_LOW)
+ ret = self.randombg.cyclePrev()
+ if not ret:
+ debug('Could not set wallpaper. Returned "%s"' % ret)
+ debug('About to sleep for "%d" seconds' % self.cycle_time, DEBUG_LEVEL_LOW)
+ # Yes this is ment to be cycle_next
+ self.callbackObj = self.socketHandler.addCallback(self.cycle_time, self.cycle_next)
+ self.filelist.doStoreCache(CACHE_LOCATION)
+ return ret
+
+ def _finished(self):
+ self.filelist.doStoreCache(CACHE_LOCATION)
+
+ def __call__(self):
+ # Callback immediatly
+ self.socketHandler.addCallback(0.0, self.cycle_reload)
+ # Now go into the main loop
+ self.socketHandler.mainLoop()
+ # Clean up time
+ self._finished()
+
+ def _createIPCServer(self, domainSocketName):
+ """Create the Server socket, and start listening for clients"""
+
+ class Handler(object):
+ def __init__(self, parent):
+ self.parent = parent
+ def _removeOldTimer(self):
+ if self.parent.callbackObj:
+ self.parent.socketHandler.removeCallback(self.parent.callbackObj)
+ def _cmd_PAUSE(self):
+ debug("Pausing randombg")
+ self._removeOldTimer()
+ def _cmd_NEXT(self):
+ self._removeOldTimer()
+ self.parent.cycle_next()
+ def _cmd_PREVIOUS(self):
+ self._removeOldTimer()
+ self.parent.cycle_prev()
+ def _cmd_RESCAN(self):
+ self.parent.filelist.doScanPaths()
+ self._cmd_NEXT()
+ def _cmd_RELOAD(self):
+ self._removeOldTimer()
+ self.parent.cycle_reload()
+ def _processLine(self, line):
+ prefix, cmd = line.split(None, 1)
+ if prefix != 'CMD':
+ debug('Unknown command received "%s"' % line)
+ return
+ if hasattr(self, '_cmd_%s' % cmd):
+ getattr(self, '_cmd_%s' % cmd)()
+ else:
+ debug('Unknown command received "%s"' % cmd)
+ def __call__(self, lineReader):
+ try:
+ while lineReader.hasLine():
+ self._processLine(lineReader.readline())
+ except Exception, e:
+ debug(str(e))
+
+ def handleClient(sock):
+ conn, address = sock.accept()
+ async_handler.addLineBufferedSocket(conn, Handler(self) )
+
+ async_handler = AsyncSocket.AsyncSocketOwner()
+
+ sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+ sock.bind(domainSocketName)
+ sock.listen(2) # Backlog = 2
+
+ async_handler.addSocket(sock, handleClient)
+
+ return async_handler
+
+if __name__ == "__main__":
+ main()