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{ pkgs, config, ...}:
{
kassouni.palette.commands = [
{
name = "bluetooth";
icon = "";
# `jc --bluetoothctl` turns `bluetoothctl devices` into JSON, so the menu is
# built from parsed records rather than by splitting "Device <addr> <name>"
# lines. That subcommand leaves every status field empty, so connectedness
# comes from a second `devices Connected` call intersected on address.
exe = pkgs.writers.writePython3 "bluetooth-toggle" {
# The interpolated store paths below are longer than 79 columns.
flakeIgnore = [ "E501" ];
} ''
import json
import subprocess
import sys
BT = "${pkgs.bluez}/bin/bluetoothctl"
JC = "${pkgs.jc}/bin/jc"
FUZZEL = "${pkgs.fuzzel}/bin/fuzzel"
def devices(*args):
"""Parse `bluetoothctl devices [args]` into a list of records."""
listed = subprocess.run(
[BT, "devices", *args], capture_output=True, text=True
)
parsed = subprocess.run(
[JC, "--bluetoothctl"],
input=listed.stdout,
capture_output=True,
text=True,
)
return json.loads(parsed.stdout or "[]")
def label(device, connected):
name = device["name"]
if device["address"] in connected:
name += " (connected)"
return name
def main():
known = devices()
if not known:
return 0
# Older bluez has no `devices Connected`; that call just comes back
# empty there, which degrades to "nothing is connected".
connected = {d["address"] for d in devices("Connected")}
rows = [label(d, connected) for d in known]
choice = subprocess.run(
[FUZZEL, "--dmenu", "--index", "--prompt", "bluetooth "],
input="\n".join(rows),
capture_output=True,
text=True,
)
if choice.returncode != 0:
return 1
index = int(choice.stdout.strip() or -1)
if not 0 <= index < len(known):
return 1
device = known[index]
action = (
"disconnect" if device["address"] in connected else "connect"
)
return subprocess.run([BT, action, device["address"]]).returncode
if __name__ == "__main__":
sys.exit(main())
'';
}
];
}
|
