Created
October 16, 2015 18:34
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#!/usr/bin/env python | |
# -*- coding: utf8 -*- | |
import subprocess | |
from operator import itemgetter, methodcaller | |
import dbus | |
def get_current_track(): | |
bus = dbus.SessionBus() | |
player = bus.get_object('com.spotify.qt', '/') | |
iface = dbus.Interface(player, 'org.freedesktop.MediaPlayer2') | |
info = iface.GetMetadata() | |
if not info: | |
return [''] | |
else: | |
artist = info['xesam:artist'][0] | |
title = info['xesam:title'] | |
return [ | |
u'♫ {artist} - {title} ♫'.format(artist=artist, title=title).encode('utf8') | |
] | |
def get_current_state(battery): | |
state = '' | |
pct = 100.0 | |
output = subprocess.check_output( | |
'upower -i {} | grep -E "state|percentage"'.format(battery), shell=True | |
).strip().split('\n') | |
for line in map(methodcaller('strip'), output): | |
name, _, data = line.rpartition(' ') | |
if 'state' in name: | |
state = data | |
elif 'percentage' in name: | |
pct = float(data.rstrip('%')) | |
return state, pct | |
def as_hearts(percent, factor=10): | |
# FIXME: Show 1 full heart for every 10% it has | |
heart = u'♥'.encode('utf8') | |
num_full = int(round(percent / factor)) | |
num_empty = (100 / factor) - num_full | |
full_hearts = heart * num_full | |
empty_hearts = heart * num_empty | |
return '#[fg=red,bg=black]{}#[fg=white,bg=black]{}'.format(full_hearts, empty_hearts) | |
def get_memory(): | |
total = None | |
free = None | |
buffers = None | |
cached = None | |
with open('/proc/meminfo', 'r') as f: | |
for line in f: | |
if line.startswith('MemTotal:'): | |
total = float(line.strip().split(' ')[-2]) | |
elif line.startswith('MemFree:'): | |
free = float(line.strip().split(' ')[-2]) | |
elif line.startswith('Buffers:'): | |
buffers = float(line.strip().split(' ')[-2]) | |
elif line.startswith('Cached:'): | |
cached = float(line.strip().split(' ')[-2]) | |
# Convert to MB | |
total /= 1024.0 | |
free /= 1024.0 | |
buffers /= 1024.0 | |
cached /= 1024.0 | |
used = total - free - buffers - cached | |
pct = (used / total) * 100.0 | |
if pct < 85: | |
color = '#[fg=white,bg=black]' | |
elif pct < 95: | |
color = '#[fg=yellow,bg=black]' | |
else: | |
color = '#[fg=red,bg=black]' | |
kwargs = { | |
'color': color, | |
'reset': '#[fg=white,bg=black]', | |
'free': int(used), | |
'total': int(total), | |
} | |
return ['{color}MEM: {free}/{total}MB{reset}'.format(**kwargs)] | |
def get_battery(factor=10): | |
status = [] | |
output = subprocess.check_output('upower -e | grep BAT', shell=True).strip().split('\n') | |
batteries = map(methodcaller('strip'), output) | |
for battery in batteries: | |
_, _, name = battery.rpartition('_') | |
state, pct = get_current_state(battery) | |
if pct > 25: | |
color = '#[fg=white,bg=black]' | |
elif pct > 15: | |
color = '#[fg=yellow,bg=black]' | |
else: | |
color = '#[fg=red,bg=black]' | |
if state == 'charging': | |
color = '#[fg=green,bg=black]+' | |
status.append((name, as_hearts(pct, factor=factor), color)) | |
return ['{}{}: {}#[fg=white,bg=black]'.format(c, b, h) for b, h, c in sorted(status, key=itemgetter(0))] | |
def get_loadavg(): | |
with open('/proc/loadavg', 'r') as f: | |
loadavg = float(f.readline().strip().split(' ')[0]) | |
if loadavg < 2.5: | |
color = '#[fg=white,bg=black]' | |
elif loadavg < 5: | |
color = '#[fg=yellow,bg=black]' | |
else: | |
color = '#[fg=red,bg=black]' | |
kwargs = { | |
'color': color, | |
'reset': '#[fg=white,bg=black]', | |
'load': '{:.2f}'.format(loadavg), | |
} | |
return ['{color}LOAD: {load}{reset}'.format(**kwargs)] | |
def main(): | |
factor = 20 | |
lines = [] | |
lines += get_current_track() | |
lines += get_loadavg() | |
lines += get_memory() | |
lines += get_battery(factor=factor) | |
print '{} '.format(' | '.join(lines)) | |
if __name__ == '__main__': | |
main() |
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