1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
{ pkgs, config, ...}:
{
kassouni.palette.commands = [
{
name = "toggle bluetooth device";
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 html
import json
import subprocess
import sys
BT = "${pkgs.bluez}/bin/bluetoothctl"
JC = "${pkgs.jc}/bin/jc"
ROFI = "${pkgs.rofi}/bin/rofi"
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):
"""Pango markup row. Names are escaped, they are not our text."""
name = html.escape(device["name"])
if device["address"] in connected:
name += ' <span alpha="45%">connected</span>'
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(
[ROFI, "-dmenu", "-i", "-markup-rows", "-format", "i",
"-p", "bluetooth"],
input="\n".join(rows),
capture_output=True,
text=True,
)
if choice.returncode != 0:
return 1
device = known[int(choice.stdout.strip())]
action = (
"disconnect" if device["address"] in connected else "connect"
)
return subprocess.run([BT, action, device["address"]]).returncode
if __name__ == "__main__":
sys.exit(main())
'';
}
];
}
|
