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textual-paint/wallpaper.py
Isaiah Odhner 594c378e45 Remove try-except around set_wallpaper body
2023-04-26 22:30:59 -04:00

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import os
import sys
import subprocess
import re
# There are too many desktop environment names and programs,
# it would pollute the spellings list (unless I moved this file
# to a folder and made a separate dictionary).
# spell-checker:disable
def get_desktop_environment() -> str:
"""
Returns the name of the current desktop environment.
"""
# From https://stackoverflow.com/a/21213358/2624876
# which takes from:
# http://stackoverflow.com/questions/2035657/what-is-my-current-desktop-environment
# and http://ubuntuforums.org/showthread.php?t=652320
# and http://ubuntuforums.org/showthread.php?t=652320
# and http://ubuntuforums.org/showthread.php?t=1139057
if sys.platform in ["win32", "cygwin"]:
return "windows"
elif sys.platform == "darwin":
return "mac"
else: #Most likely either a POSIX system or something not much common
desktop_session = os.environ.get("DESKTOP_SESSION")
if desktop_session is not None: #easier to match if we doesn't have to deal with caracter cases
desktop_session = desktop_session.lower()
if desktop_session in [
"gnome","unity", "cinnamon", "mate", "xfce4", "lxde", "fluxbox",
"blackbox", "openbox", "icewm", "jwm", "afterstep","trinity", "kde"
]:
return desktop_session
## Special cases ##
# Canonical sets $DESKTOP_SESSION to Lubuntu rather than LXDE if using LXDE.
# There is no guarantee that they will not do the same with the other desktop environments.
elif "xfce" in desktop_session or desktop_session.startswith("xubuntu"):
return "xfce4"
elif desktop_session.startswith('ubuntustudio'):
return 'kde'
elif desktop_session.startswith('ubuntu'):
return 'gnome'
elif desktop_session.startswith("lubuntu"):
return "lxde"
elif desktop_session.startswith("kubuntu"):
return "kde"
elif desktop_session.startswith("razor"): # e.g. razorkwin
return "razor-qt"
elif desktop_session.startswith("wmaker"): # e.g. wmaker-common
return "windowmaker"
if os.environ.get('KDE_FULL_SESSION') == 'true':
return "kde"
elif os.environ.get('GNOME_DESKTOP_SESSION_ID'):
if not "deprecated" in os.environ.get('GNOME_DESKTOP_SESSION_ID'):
return "gnome2"
#From http://ubuntuforums.org/showthread.php?t=652320
elif is_running("xfce-mcs-manage"):
return "xfce4"
elif is_running("ksmserver"):
return "kde"
return "unknown"
def is_running(process: str) -> bool:
"""Returns whether a process with the given name is (likely) currently running.
Uses a basic text search, and so may have false positives."""
#From http://www.bloggerpolis.com/2011/05/how-to-check-if-a-process-is-running-using-python/
# and http://richarddingwall.name/2009/06/18/windows-equivalents-of-ps-and-kill-commands/
try: #Linux/Unix
s = subprocess.Popen(["ps", "axw"],stdout=subprocess.PIPE)
except: #Windows
s = subprocess.Popen(["tasklist", "/v"],stdout=subprocess.PIPE)
for x in s.stdout:
# if re.search(process, x):
if process in str(x):
return True
return False
def set_wallpaper(file_loc: str, first_run: bool = True):
"""Sets the wallpaper to the given file location."""
# From https://stackoverflow.com/a/21213504/2624876
# I have not personally tested any of this.
# -----------------------------------------
# Note: There are two common Linux desktop environments where
# I have not been able to set the desktop background from
# command line: KDE, Enlightenment
desktop_env = get_desktop_environment()
if desktop_env in ["gnome", "unity", "cinnamon"]:
uri = "'file://%s'" % file_loc
try:
SCHEMA = "org.gnome.desktop.background"
KEY = "picture-uri"
gsettings = Gio.Settings.new(SCHEMA)
gsettings.set_string(KEY, uri)
except Exception:
args = ["gsettings", "set", "org.gnome.desktop.background", "picture-uri", uri]
subprocess.Popen(args)
elif desktop_env=="mate":
try: # MATE >= 1.6
# info from http://wiki.mate-desktop.org/docs:gsettings
args = ["gsettings", "set", "org.mate.background", "picture-filename", "'%s'" % file_loc]
subprocess.Popen(args)
except Exception: # MATE < 1.6
# From https://bugs.launchpad.net/variety/+bug/1033918
args = ["mateconftool-2","-t","string","--set","/desktop/mate/background/picture_filename",'"%s"' %file_loc]
subprocess.Popen(args)
elif desktop_env=="gnome2": # Not tested
# From https://bugs.launchpad.net/variety/+bug/1033918
args = ["gconftool-2","-t","string","--set","/desktop/gnome/background/picture_filename", '"%s"' %file_loc]
subprocess.Popen(args)
## KDE4 is difficult
## see http://blog.zx2c4.com/699 for a solution that might work
elif desktop_env in ["kde3", "trinity"]:
# From http://ubuntuforums.org/archive/index.php/t-803417.html
args = 'dcop kdesktop KBackgroundIface setWallpaper 0 "%s" 6' % file_loc
subprocess.Popen(args,shell=True)
elif desktop_env=="xfce4":
#From http://www.commandlinefu.com/commands/view/2055/change-wallpaper-for-xfce4-4.6.0
if first_run:
args0 = ["xfconf-query", "-c", "xfce4-desktop", "-p", "/backdrop/screen0/monitor0/image-path", "-s", file_loc]
args1 = ["xfconf-query", "-c", "xfce4-desktop", "-p", "/backdrop/screen0/monitor0/image-style", "-s", "3"]
args2 = ["xfconf-query", "-c", "xfce4-desktop", "-p", "/backdrop/screen0/monitor0/image-show", "-s", "true"]
subprocess.Popen(args0)
subprocess.Popen(args1)
subprocess.Popen(args2)
args = ["xfdesktop","--reload"]
subprocess.Popen(args)
elif desktop_env=="razor-qt": #TODO: implement reload of desktop when possible
if first_run:
import configparser
desktop_conf = configparser.ConfigParser()
# Development version
desktop_conf_file = os.path.join(get_config_dir("razor"),"desktop.conf")
if os.path.isfile(desktop_conf_file):
config_option = r"screens\1\desktops\1\wallpaper"
else:
desktop_conf_file = os.path.join(get_home_dir(),".razor/desktop.conf")
config_option = r"desktops\1\wallpaper"
desktop_conf.read(os.path.join(desktop_conf_file))
try:
if desktop_conf.has_option("razor",config_option): #only replacing a value
desktop_conf.set("razor",config_option,file_loc)
with codecs.open(desktop_conf_file, "w", encoding="utf-8", errors="replace") as f:
desktop_conf.write(f)
except Exception:
pass
else:
#TODO: reload desktop when possible
pass
elif desktop_env in ["fluxbox","jwm","openbox","afterstep"]:
#http://fluxbox-wiki.org/index.php/Howto_set_the_background
# used fbsetbg on jwm too since I am too lazy to edit the XML configuration
# now where fbsetbg does the job excellent anyway.
# and I have not figured out how else it can be set on Openbox and AfterSTep
# but fbsetbg works excellent here too.
try:
args = ["fbsetbg", file_loc]
subprocess.Popen(args)
except Exception:
sys.stderr.write("ERROR: Failed to set wallpaper with fbsetbg!\n")
sys.stderr.write("Please make sre that You have fbsetbg installed.\n")
elif desktop_env=="icewm":
# command found at http://urukrama.wordpress.com/2007/12/05/desktop-backgrounds-in-window-managers/
args = ["icewmbg", file_loc]
subprocess.Popen(args)
elif desktop_env=="blackbox":
# command found at http://blackboxwm.sourceforge.net/BlackboxDocumentation/BlackboxBackground
args = ["bsetbg", "-full", file_loc]
subprocess.Popen(args)
elif desktop_env=="lxde":
args = "pcmanfm --set-wallpaper %s --wallpaper-mode=scaled" % file_loc
subprocess.Popen(args,shell=True)
elif desktop_env=="windowmaker":
# From http://www.commandlinefu.com/commands/view/3857/set-wallpaper-on-windowmaker-in-one-line
args = "wmsetbg -s -u %s" % file_loc
subprocess.Popen(args,shell=True)
## NOT TESTED BELOW - don't want to mess things up ##
# elif desktop_env=="enlightenment": # I have not been able to make it work on e17. On e16 it would have been something in this direction
# args = "enlightenment_remote -desktop-bg-add 0 0 0 0 %s" % file_loc
# subprocess.Popen(args,shell=True)
elif desktop_env=="windows": #Not tested since I do not run this on Windows
#From https://stackoverflow.com/questions/1977694/change-desktop-background
import ctypes
SPI_SETDESKWALLPAPER = 20
ctypes.windll.user32.SystemParametersInfoW(SPI_SETDESKWALLPAPER, 0, file_loc, 0)
elif desktop_env=="mac": #Not tested since I do not have a mac
#From https://stackoverflow.com/questions/431205/how-can-i-programatically-change-the-background-in-mac-os-x
try:
from appscript import app, mactypes
app('Finder').desktop_picture.set(mactypes.File(file_loc))
except ImportError:
#import subprocess
SCRIPT = f"""/usr/bin/osascript<<END
tell application "Finder" to
set desktop picture to POSIX file "{file_loc}"
end tell
END"""
subprocess.Popen(SCRIPT, shell=True)
else:
if first_run: #don't spam the user with the same message over and over again
sys.stderr.write("Warning: Failed to set wallpaper. Your desktop environment is not supported.")
sys.stderr.write("You can try manually to set your wallpaper to %s" % file_loc)
return False
return True
# spell-checker:enable
def get_config_dir(app_name: str):
if "XDG_CONFIG_HOME" in os.environ:
config_home = os.environ['XDG_CONFIG_HOME']
elif "APPDATA" in os.environ: # On Windows
config_home = os.environ['APPDATA']
else:
try:
from xdg import BaseDirectory
config_home = BaseDirectory.xdg_config_home
except ImportError: # Most likely a Linux/Unix system anyway
config_home = os.path.join(get_home_dir(), ".config")
config_dir = os.path.join(config_home,app_name)
return config_dir
def get_home_dir():
return os.path.expanduser("~")
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