def checkupdates():
if flags.clear_updates:
pkgs.updates.count = 0
pkgs.updates.timestamp = time()
flags.clear_updates = False
if pkgs.updates.due or pkgs.init:
hour = int(strftime('%H'))
day = strftime('%a').lower()
night_time = hour not in range(8, 21)
weekend = day.startswith('s')
if not (night_time or weekend):
pkgs.updates.timestamp = time()
stderr.write('checking for system updates\n')
pkgs.updates.count = systemcount('checkupdates')
if flags.do_healthcheck or pkgs.init:
if pkgs.pacnew.due:
pkgs.pacnew.timestamp = time()
pkgs.pacnew.count = systemcount('pacdiff -o')
if pkgs.orphans.due:
pkgs.orphans.timestamp = time()
pkgs.orphans.count = systemcount('pacman -Qdtq')
total_conflicts = sum((
pkgs.pacnew.count,
pkgs.orphans.count,
))
if total_conflicts == 0:
# Once conflicts have been resolved, we don't need to notify $USER
# until the next time they update.
flags.do_healthcheck = False
pkgs.init = False
total_count = sum((
pkgs.pacnew.count,
pkgs.orphans.count,
pkgs.updates.count,
))
if total_count == 0:
return None
if pkgs.pacnew.count:
return label('pacnew', str(pkgs.pacnew.count))
if pkgs.updates.count:
return label('updates', str(pkgs.updates.count))
if pkgs.orphans.count:
return label('orphans', str(pkgs.orphans.count))
def battery_source():
percent = power.percent()
if power.charging():
if percent >= 99:
state = 'full'
state = '++'
return ' '.join((label('bat', meter(percent)), state))
return label('bat', meter(percent))
def memory_usage():
mem = {}
with open('/proc/meminfo', 'r') as f:
for line in f.readlines():
line = line.strip().split()
if len(line) == 3:
key, val, _ = line
key = key[:-1]
elif len(line) == 2:
key, val = line
key = key[:-1]
mem[key] = int(val)
# memory usage as calculated by `free(1)`
percent = (100 / mem['MemTotal']) * (
mem['MemTotal'] - mem['Buffers'] - mem['Cached'] - mem['MemFree']
)
# Only show memory usage when we are more than halfway to swapping
if percent > (swap_percent / 2):
return label('ram', meter(percent))
else:
return None
def disk_usage():
disk = disks.next()
device_name, mountpoint = disk
device_name = basename(device_name)
size, free = size_of(mountpoint)
percent = (100 / size) * (size - free)
return label(device_name, meter(percent))
def backlight_percentage() -> str:
bl_now = readint(glob('/sys/class/backlight/*/brightness')[0])
percent = (100 / bl_max) * bl_now
return label('bl', meter(percent))
def percent():
percent = cpu_percent()
return label('cpu', meter(percent)) if percent > 20 else None