+++ /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()