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#!/usr/bin/env python3
import json
from select import select
from subprocess import check_output, Popen, PIPE
import sys
def remove_empty_outputs(obj):
return [o for o in obj if o['full_text'].strip() != '']
first = True
def print_i3stat(j):
global first
j = remove_empty_outputs(j)
sys.stdout.write(('' if first else ',') + json.dumps(j) + '\n')
sys.stdout.flush()
first = False
def parse_i3stat(s):
if s[0] == ',':
s = s[1:]
j = json.loads(s)
return j
def parse_kbdlayout(s):
colors = { 'us(intl)' : '#66ccff',
'us(dvorak-intl)' : '#dc68fc',
'ru(phonetic)' : '#ff3300',
'il(biblicalSIL)' : '#66ff66'
}
try:
color = colors[s]
except:
color = '#cccccc'
return [{'full_text': s, 'color': color}]
def merge_status_items(*args):
return [item for sublist in args for item in sublist]
if __name__ == '__main__':
timeout = 0.1
# open subprocesses
i3stat = Popen(['i3status'], stdout=PIPE, bufsize=0, close_fds=True)
kbdlayout = Popen(['unbuffer', 'kbdlayout'],
stdout=PIPE, bufsize=0, close_fds=True)
# skip i3status header
sys.stdout.write(i3stat.stdout.readline().decode('utf8'))
sys.stdout.write(i3stat.stdout.readline().decode('utf8'))
stat, kbd = [], []
try:
stdouts = [p.stdout for p in [i3stat, kbdlayout]]
while True:
fs = select(stdouts, [], [])[0]
for f in fs:
line = f.readline()[:-1].decode('utf8')
if f == kbdlayout.stdout:
kbd = parse_kbdlayout(line)
elif f == i3stat.stdout:
stat = parse_i3stat(line)
print_i3stat(merge_status_items(kbd, stat))
except Exception as e:
print(e)
i3stat.kill()
kbdlayout.kill()
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