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#!/usr/bin/env python3
import argparse
import json
import logging
from os.path import expanduser
import subprocess
import dialog
class NoMatchingProfile(ValueError):
pass
class LogLevel:
def __init__(self, value: str) -> None:
try:
self.numerical_level = logging.getLevelNamesMapping()[value.upper()]
except KeyError:
raise ValueError("invalid value")
class MonitorMenu():
def __init__(self, config_file='~/.config/monitor-profiles.json'):
with open(expanduser(config_file)) as fh:
self.profiles = json.load(fh)
self.d = dialog.Dialog(autowidgetsize=True)
def run(self, profile_idx=None):
choices = []
if profile_idx is None:
i = 0
for p in self.profiles:
choices.append((str(i), p['name']))
i += 1
code, profile_idx = self.d.menu(
'Select the profile you want to use.',
choices=choices)
if code in (self.d.ESC, self.d.CANCEL):
return
try:
profile = self.profiles[int(profile_idx)]
except IndexError:
raise NoMatchingProfile from None
# We build the command line starting from just "xrandr" and adding
# arguments.
xrandr_cmd = ['xrandr']
feh_cmd = ['feh', '--bg-fill']
try:
xrandr_cmd += profile['xrandr-opts']
except KeyError:
pass
for monitor in profile['monitors']:
xrandr_cmd.extend(monitor['xrandr-opts'])
if monitor.get('background') is not None:
feh_cmd.append(monitor['background'])
logging.debug("Executing: %s", xrandr_cmd)
subprocess.run(xrandr_cmd, check=False)
logging.debug("Executing: %s", feh_cmd)
subprocess.run(feh_cmd, check=False)
def main():
parser = argparse.ArgumentParser()
parser.add_argument("--log-level", "--loglevel", type=LogLevel, default="info")
parser.add_argument("--index", type=int, required=False)
args = parser.parse_args()
logging.basicConfig(level=args.log_level.numerical_level)
menu = MonitorMenu()
if args.index is not None:
menu.run(profile_idx=args.index)
else:
menu.run()
if __name__ == '__main__':
main()
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