-#!/usr/bin/env python
+#!/usr/bin/env python2
+
# Copyright 2008 Greg Darke <greg@tsukasa.net.au>
# Copyright 2008 James Bunton <jamesbunton@fastmail.fm>
# Licensed for distribution under the GPL version 2, check COPYING for details
# This is a cross platform/cross window manager way to change your wallpaper
-import commands, sys, os, os.path, subprocess, time
-from logging import debug, info, warning
+import commands, sys, os, os.path, time
+import logging
+try:
+ import PIL, PIL.Image
+except ImportError:
+ PIL = None
__all__ = ("init", "set_image")
changers = []
def set_image(filename):
- info("Setting image: %s" % filename)
+ logging.info("Setting image: %s", filename)
for changer in changers:
if not changer.set_image(filename):
- warning("Failed to set background: wallchanger.set_image(%s), changer=%s" % (filename, changer))
+ logging.warning("Failed to set background: wallchanger.set_image(%s), changer=%s", filename, changer)
+
+def check_cmd(cmd):
+ return commands.getstatusoutput(cmd)[0] == 0
def init(*args, **kwargs):
"""Desktop Changer factory"""
- debug("Testing for OSX (NonX11)")
- if commands.getstatusoutput("ps ax -o command -c|grep -q WindowServer")[0] == 0:
- changers.append(OSXChanger(*args, **kwargs))
+ classes = []
+
+ if sys.platform == "win32":
+ classes.append(WIN32Changer)
+ return
+
+ logging.debug("Testing for OSX (NonX11)")
+ if check_cmd("ps ax -o command -c|grep -q WindowServer"):
+ classes.append(OSXChanger)
if 'DISPLAY' not in os.environ or os.environ['DISPLAY'].startswith('/tmp/launch'):
# X11 is not running
else:
if os.uname()[0] == 'Darwin':
# Try to detect if the X11 server is running on OSX
- if commands.getstatusoutput("ps ax -o command|grep -q '/.*X11 .* %s'" % os.environ['DISPLAY'])[0] != 0:
+ if check_cmd("ps ax -o command|grep -q '^/.*X11 .* %s'" % os.environ['DISPLAY']):
# X11 is not running for this display
return
- debug("Testing for KDE")
- if commands.getstatusoutput("xwininfo -name 'KDE Desktop'")[0] == 0:
- changers.append(KDEChanger(*args, **kwargs))
+ logging.debug("Testing for XFCE4")
+ if check_cmd("xwininfo -name 'xfce4-session'"):
+ classes.append(Xfce4Changer)
+
+ logging.debug("Testing for Gnome")
+ if check_cmd("xwininfo -name 'gnome-settings-daemon'"):
+ if check_cmd("gsettings get org.gnome.desktop.background picture-uri"):
+ classes.append(Gnome3Changer)
+ else:
+ classes.append(Gnome2Changer)
- debug("Testing for Gnome")
- if commands.getstatusoutput("xwininfo -name 'gnome-session'")[0] == 0:
- changers.append(GnomeChanger(*args, **kwargs))
+ logging.debug("Testing for xloadimage")
+ if check_cmd("which xloadimage"):
+ classes.append(XLoadImageChanger)
- debug("Testing for WMaker")
- if commands.getstatusoutput("xlsclients | grep -qi wmaker")[0] == 0:
- changers.append(WMakerChanger(*args, **kwargs))
-
- if len(changers) == 0:
+ if len(classes) == 0:
raise Exception("Unknown window manager")
+ for klass in classes:
+ changers.append(klass(*args, **kwargs))
+
class BaseChanger(object):
name = "undefined"
- def __init__(self, background_color='black', permanent=False, convert=False):
- info('Determined the window manager is "%s"' % self.name)
+ def __init__(self, background_color='black', convert=False):
+ logging.info('Determined the window manager is "%s"', self.name)
self.background_color = background_color
- self.permanent = permanent
self.convert = convert
+ try:
+ def _exec_cmd(self, cmd):
+ import subprocess
+ return subprocess.Popen(cmd, stdout=sys.stdout, stderr=sys.stderr, stdin=None).wait()
+
+ except ImportError:
+ # A simple implementation of subprocess for python2.4
+ def _exec_cmd(self, cmd):
+ """Runs a program given in cmd"""
+ return os.spawnvp(os.P_WAIT, cmd[0], cmd)
+
def set_image(self, filename):
raise NotImplementedError()
-class WMakerChanger(BaseChanger):
- name = "WindowMaker"
- _ConvertedWallpaperLocation = '/tmp/wallpapers_wmaker/'
+ def convert_image_format(self, filename, format='BMP', allowAlpha=False, extension='.bmp'):
+ """Convert the image to another format, and store it in a local place"""
+ if not os.path.exists(filename):
+ logger.warn('The input file "%s" does not exist, so it will not be converted', filename)
+ return filename, False
+ if PIL is None:
+ logger.warn('PIL could not be found, not converting image format')
+ return filename, False
+
+ self.remove_old_image_cache()
+ output_name = os.path.join(self._ConvertedWallpaperLocation, '%s%s' % (time.time(), extension))
+ img = PIL.Image.open(filename)
+
+ # Remove the alpha channel if the user doens't want it
+ if not allowAlpha and img.mode == 'RGBA':
+ img = img.convert('RGB')
+ img.save(output_name, format)
+
+ return output_name, True
+
+
+class XLoadImageChanger(BaseChanger):
+ name = "xloadimage"
+ _ConvertedWallpaperLocation = '/tmp/wallpapers_xloadimage/'
def remove_old_image_cache(self):
"""Cleans up any old temp images"""
if not os.path.isdir(self._ConvertedWallpaperLocation):
for dirname in dirnames:
os.unlink(os.path.join(fullpath, dirname))
- def convert_image_format(self, file):
+ def convert_image_format(self, filename):
"""Convert the image to a png, and store it in a local place"""
self.remove_old_image_cache()
output_name = os.path.join(self._ConvertedWallpaperLocation, '%s.png' % time.time())
- cmd = ["convert", '-resize', '1280', '-gravity', 'Center', '-crop', '1280x800+0+0', file, output_name]
- debug("""Convert command: '"%s"'""" % '" "'.join(cmd))
- return output_name, subprocess.Popen(cmd, stdout=sys.stdout, stderr=sys.stderr, stdin=None).wait()
+ cmd = ["convert", filename, output_name]
+ logging.debug("""Convert command: '"%s"'""", '" "'.join(cmd))
+ return output_name, self._exec_cmd(cmd)
- def set_image(self, file):
+ def set_image(self, filename):
if self.convert:
- file, convert_status = self.convert_image_format(file)
+ filename, convert_status = self.convert_image_format(filename)
if convert_status:
- debug('Convert failed')
- cmd = ["wmsetbg",
- "-b", self.background_color, # Sets the background colour to be what the user specified
- "-S", # 'Smooth' (WTF?)
- "-e", # Center the image on the screen (only affects when the image in no the in the correct aspect ratio
-### "-a", # scale the image, keeping the aspect ratio
- "-u", # Force this to be the default background
- "-d" # dither
- ]
- if self.permanent:
- cmd += ["-u"] # update the wmaker database
- cmd += [file]
- debug('''WMaker bgset command: "'%s'"''' % "' '".join(cmd))
- return not subprocess.Popen(cmd, stdout=sys.stdout, stderr=sys.stderr, stdin=None).wait()
+ logging.debug('Convert failed')
+ cmd = [
+ "xloadimage",
+ "-onroot",
+ "-fullscreen",
+ "-border", "black",
+ filename,
+ ]
+ logging.debug('''WMaker bgset command: "'%s'"''', "' '".join(cmd))
+ return not self._exec_cmd(cmd)
class OSXChanger(BaseChanger):
name = "Mac OS X"
def __init__(self, *args, **kwargs):
BaseChanger.__init__(self, *args, **kwargs)
- self.fix_desktop_plist()
def remove_old_image_cache(self):
"""Cleans up any old temp images"""
for dirname in dirnames:
os.unlink(os.path.join(fullpath, dirname))
- def convert_image_format(self, file):
+ def convert_image_format(self, filename):
"""Convert the image to a png, and store it in a local place"""
self.remove_old_image_cache()
output_name = os.path.join(self._ConvertedWallpaperLocation, '%s.png' % time.time())
try:
- import PIL, PIL.Image
- img = PIL.Image.open(file)
- img.save(output_name, "PNG")
- return output_name, True
+ return super(OSXChanger, self).convert_image_format(filename, format='PNG', extension='.png')
except ImportError:
- debug('Could not load PIL, going to try just copying the image')
+ logging.debug('Could not load PIL, going to try just copying the image')
import shutil
- output_name = os.path.join(self._ConvertedWallpaperLocation, os.path.basename(file))
- shutil.copyfile(file, output_name)
+ output_name = os.path.join(self._ConvertedWallpaperLocation, os.path.basename(filename))
+ shutil.copyfile(filename, output_name)
return output_name, True
def fix_desktop_plist(self):
# Store the plist again (Make sure we write it out atomically -- Don't want to break finder)
desktop_plist.writeToFile_atomically_(self._DesktopPlistLocation, True)
except ImportError:
- debug('Could not import the Foundation module, you may have problems with dual screens')
+ logging.debug('Could not import the Foundation module, you may have problems with dual screens')
def set_image(self, filename):
+ self.fix_desktop_plist()
if self.convert:
filename, ret = self.convert_image_format(filename)
if not ret:
- debug("Convert failed")
+ logging.debug("Convert failed")
return False
cmd = """osascript -e 'tell application "finder" to set desktop picture to posix file "%s"'""" % filename
- debug(cmd)
+ logging.debug(cmd)
return not commands.getstatusoutput(cmd)[0]
-class GnomeChanger(BaseChanger):
- name = "Gnome"
- def set_image(self, file):
- cmd = ['gconftool-2', '--type', 'string', '--set', '/desktop/gnome/background/picture_filename', file]
- debug(cmd)
- return not subprocess.Popen(cmd, stdout=sys.stdout, stderr=sys.stderr, stdin=None).wait()
-
-class KDEChanger(BaseChanger):
- name = "KDE"
- def set_image(self, file):
- cmds = []
- for group in ('Desktop0', 'Desktop0Screen0'):
- base = ['kwriteconfig', '--file', 'kdesktoprc', '--group', group, '--key']
- cmds.append(base + ['Wallpaper', file])
- cmds.append(base + ['UseSHM', '--type', 'bool', 'true'])
- cmds.append(base + ['WallpaperMode', 'ScaleAndCrop'])
- cmds.append(base + ['MultiWallpaperMode', 'NoMulti'])
-
- cmds.append(['dcop', 'kdesktop', 'KBackgroundIface', 'configure'])
- for cmd in cmds:
- debug(cmd)
- if subprocess.Popen(cmd, stdout=sys.stdout, stderr=sys.stderr, stdin=None).wait() != 0:
+class WIN32Changer(BaseChanger):
+ name = "Windows"
+ _ConvertedWallpaperLocation = os.path.join(os.environ.get('APPDATA', os.path.expanduser('~')), 'wallchanger')
+
+ def __init__(self, *args, **kwargs):
+ BaseChanger.__init__(self, *args, **kwargs)
+ if not self.convert:
+ logging.warn('Running on windows, but convert is not set')
+
+ def remove_old_image_cache(self):
+ """Cleans up any old temp images"""
+ if not os.path.isdir(self._ConvertedWallpaperLocation):
+ os.mkdir(self._ConvertedWallpaperLocation)
+ for fullpath, filenames, dirnames in os.walk(self._ConvertedWallpaperLocation, topdown=False):
+ for filename in filenames:
+ os.unlink(os.path.join(fullpath, filename))
+ for dirname in dirnames:
+ os.unlink(os.path.join(fullpath, dirname))
+
+ def set_image(self, filename):
+ import ctypes
+ user32 = ctypes.windll.user32
+
+ # Taken from the Platform SDK
+ SPI_SETDESKWALLPAPER = 20
+ SPIF_SENDWININICHANGE = 2
+
+ if self.convert:
+ filename, ret = self.convert_image_format(filename)
+ if not ret:
+ logging.debug("Convert failed")
return False
+ # Parameters for SystemParametersInfoA are:
+ # (UINT uiAction, UINT uiParam, PVOID pvParam, UINT fWinIni)
+ user32.SystemParametersInfoA(
+ SPI_SETDESKWALLPAPER,
+ 0,
+ filename,
+ SPIF_SENDWININICHANGE,
+ )
return True
+class Gnome2Changer(BaseChanger):
+ name = "Gnome"
+ def set_image(self, filename):
+ cmd = ['gconftool-2', '--type', 'string', '--set', '/desktop/gnome/background/picture_filename', filename]
+ logging.debug(cmd)
+ return not self._exec_cmd(cmd)
+
+class Gnome3Changer(BaseChanger):
+ name = "Gnome3"
+ def set_image(self, filename):
+ cmd = ['gsettings', 'set', 'org.gnome.desktop.background', 'picture-uri', 'file://'+filename]
+ logging.debug(cmd)
+ return not self._exec_cmd(cmd)
+
+class Xfce4Changer(BaseChanger):
+ name = "XFCE4"
+ def set_image(self, filename):
+ cmd = [
+ "xfconf-query",
+ "-c", "xfce4-desktop",
+ "-p", "/backdrop/screen0/monitor0/image-path",
+ "-s", filename,
+ ]
+ logging.debug(cmd)
+ return not self._exec_cmd(cmd)
def main(filename):
- import logging
logging.basicConfig(level=logging.DEBUG, format="%(levelname)s: %(message)s")
init()
set_image(filename)