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"""
Reload programs.
"""
import logging
import os
import shutil
import subprocess
from .settings import CACHE_DIR, MODULE_DIR, OS
from . import util
def tty(tty_reload):
"""Load colors in tty."""
tty_script = os.path.join(CACHE_DIR, "colors-tty.sh")
term = os.environ.get("TERM")
if tty_reload and term == "linux":
subprocess.Popen(["sh", tty_script])
def xrdb(xrdb_files=None):
"""Merge the colors into the X db so new terminals use them."""
xrdb_files = xrdb_files or \
[os.path.join(CACHE_DIR, "colors.Xresources")]
if shutil.which("xrdb") and OS != "Darwin":
for file in xrdb_files:
subprocess.run(["xrdb", "-merge", "-quiet", file])
def oomox(gen_theme):
"""Call oomox to generate a theme."""
if gen_theme:
if not shutil.which("oomox-cli"):
logging.warning("Oomox not found, skipping.")
return
oomox_file = os.path.join(CACHE_DIR, "colors-oomox")
logging.info("Waiting for Oomox.")
subprocess.run(["oomox-cli", "-o", "wal", oomox_file],
stdout=subprocess.DEVNULL)
else:
logging.info("Use -g to generate an oomox theme.")
def gtk():
"""Reload GTK theme on the fly."""
# Here we call a Python 2 script to reload the GTK themes.
# This is done because the Python 3 GTK/Gdk libraries don't
# provide a way of doing this.
if shutil.which("python2"):
gtk_reload = os.path.join(MODULE_DIR, "scripts", "gtk_reload.py")
util.disown(["python2", gtk_reload])
else:
logging.warning("GTK2 reload support requires Python 2.")
def i3():
"""Reload i3 colors."""
if shutil.which("i3-msg"):
util.disown(["i3-msg", "reload"])
def polybar():
"""Reload polybar colors."""
if shutil.which("polybar"):
util.disown(["pkill", "-USR1", "polybar"])
def sway():
"""Reload sway colors."""
if shutil.which("swaymsg"):
util.disown(["swaymsg", "reload"])
def colors(cache_dir=CACHE_DIR):
"""Reload colors. (Deprecated)"""
sequences = os.path.join(cache_dir, "sequences")
logging.error("'wal -r' is deprecated: "
"Use 'cat %s' instead.", sequences)
if os.path.isfile(sequences):
print("".join(util.read_file(sequences)), end="")
def env(xrdb_file=None, tty_reload=True):
"""Reload environment."""
xrdb(xrdb_file)
i3()
sway()
polybar()
logging.info("Reloaded environment.")
tty(tty_reload)
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