bumblebee-status/bumblebee/modules/memory.py
2017-07-07 08:49:31 +02:00

50 lines
1.6 KiB
Python

# pylint: disable=C0111,R0903
"""Displays available RAM, total amount of RAM and percentage available.
Parameters:
* memory.warning : Warning threshold in % of memory used (defaults to 80%)
* memory.critical: Critical threshold in % of memory used (defaults to 90%)
* memory.usedonly: Only show the amount of RAM in use.
"""
try:
import psutil
except ImportError:
pass
import bumblebee.util
import bumblebee.input
import bumblebee.output
import bumblebee.engine
class Module(bumblebee.engine.Module):
def __init__(self, engine, config):
super(Module, self).__init__(engine, config,
bumblebee.output.Widget(full_text=self.memory_usage)
)
self._mem = psutil.virtual_memory()
engine.input.register_callback(self, button=bumblebee.input.LEFT_MOUSE,
cmd="gnome-system-monitor")
def memory_usage(self, widget):
used = self._mem.total - self._mem.available
if bool(self.parameter("usedonly", 0)) == 1:
return bumblebee.util.bytefmt(used)
return "{}/{} ({:05.02f}%)".format(
bumblebee.util.bytefmt(used),
bumblebee.util.bytefmt(self._mem.total),
self._mem.percent
)
def update(self, widgets):
self._mem = psutil.virtual_memory()
def state(self, widget):
if self._mem.percent > float(self.parameter("critical", 90)):
return "critical"
if self._mem.percent > float(self.parameter("warning", 80)):
return "warning"
return None
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4