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"""Set the wallpaper."""
import os
import shutil
import subprocess
from .settings import __cache_dir__
from . import util
def get_desktop_env():
"""Identify the current running desktop environment."""
desktop = os.environ.get("XDG_CURRENT_DESKTOP")
if desktop:
return desktop
desktop = os.environ.get("DESKTOP_SESSION")
if desktop:
return desktop
desktop = os.environ.get("GNOME_DESKTOP_SESSION_ID")
if desktop:
return "GNOME"
desktop = os.environ.get("MATE_DESKTOP_SESSION_ID")
if desktop:
return "MATE"
def xfconf(path, img):
"""Call xfconf to set the wallpaper on XFCE."""
util.disown("xfconf-query", "--channel", "xfce4-desktop",
"--property", path, "--set", img)
def set_wm_wallpaper(img):
"""Set the wallpaper for non desktop environments."""
if shutil.which("feh"):
subprocess.Popen(["feh", "--bg-fill", img])
elif shutil.which("nitrogen"):
subprocess.Popen(["nitrogen", "--set-zoom-fill", img])
elif shutil.which("bgs"):
subprocess.Popen(["bgs", img])
elif shutil.which("hsetroot"):
subprocess.Popen(["hsetroot", "-fill", img])
elif shutil.which("habak"):
subprocess.Popen(["habak", "-mS", img])
else:
print("error: No wallpaper setter found.")
return
def set_desktop_wallpaper(desktop, img):
"""Set the wallpaper for the desktop environment."""
desktop = str(desktop).lower()
if "xfce" in desktop or "xubuntu" in desktop:
# XFCE requires two commands since they differ between versions.
xfconf("/backdrop/screen0/monitor0/image-path", img)
xfconf("/backdrop/screen0/monitor0/workspace0/last-image", img)
elif "muffin" in desktop or "cinnamon" in desktop:
subprocess.Popen(["gsettings", "set",
"org.cinnamon.desktop.background",
"picture-uri", "file://" + img])
elif "gnome" in desktop:
subprocess.Popen(["gsettings", "set",
"org.gnome.desktop.background",
"picture-uri", "file://" + img])
elif "mate" in desktop:
subprocess.Popen(["gsettings", "set", "org.mate.background",
"picture-filename", img])
else:
set_wm_wallpaper(img)
def change(img):
"""Set the wallpaper."""
if not os.path.isfile(img):
return
desktop = get_desktop_env()
if desktop:
set_desktop_wallpaper(desktop, img)
else:
set_wm_wallpaper(img)
print("wallpaper: Set the new wallpaper")
def get(cache_dir=__cache_dir__):
"""Get the current wallpaper."""
current_wall = cache_dir / "wal"
if current_wall.is_file():
return util.read_file(current_wall)[0]
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