96 lines
3.5 KiB
Python
96 lines
3.5 KiB
Python
# pylint: disable=C0111,R0903
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"""Displays battery status, remaining percentage and charging information.
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Parameters:
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* battery.device : Comma-separated list of battery devices to read information from (defaults to auto for auto-detection)
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* battery.warning : Warning threshold in % of remaining charge (defaults to 20)
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* battery.critical : Critical threshold in % of remaining charge (defaults to 10)
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* battery.showdevice : If set to "true", add the device name to the widget
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"""
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import os
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import glob
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import bumblebee.input
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import bumblebee.output
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import bumblebee.engine
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class Module(bumblebee.engine.Module):
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def __init__(self, engine, config):
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widgets = []
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super(Module, self).__init__(engine, config, widgets)
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self._batteries = self.parameter("device", "auto").split(",")
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if self._batteries[0] == "auto":
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self._batteries = glob.glob("/sys/class/power_supply/BAT*")
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else:
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self._batteries = [ "/sys/class/power_supply/{}".format(b) for b in self._batteries ]
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if len(self._batteries) == 0:
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self._batteries = [ "/sys/class/power_supply/BAT0" ]
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self.update(widgets)
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engine.input.register_callback(self, button=bumblebee.input.LEFT_MOUSE,
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cmd="gnome-power-statistics")
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def update(self, widgets):
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new_widgets = []
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for path in self._batteries:
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widget = self.widget(path)
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if not widget:
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widget = bumblebee.output.Widget(full_text=self.capacity, name=path)
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new_widgets.append(widget)
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self.capacity(widget)
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while len(widgets) > 0: del widgets[0]
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for widget in new_widgets:
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widgets.append(widget)
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self._widgets = widgets
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def capacity(self, widget):
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widget.set("capacity", -1)
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widget.set("ac", False)
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if not os.path.exists(widget.name):
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widget.set("capacity", 100)
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widget.set("ac", True)
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return "ac"
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capacity = 100
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try:
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with open("{}/capacity".format(widget.name)) as f:
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capacity = int(f.read())
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except IOError:
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return "n/a"
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capacity = capacity if capacity < 100 else 100
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widget.set("capacity", capacity)
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if self.parameter("showdevice") == "true":
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widget.set("theme.minwidth", "100% ({})".format(os.path.basename(widget.name)))
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return "{}% ({})".format(capacity, os.path.basename(widget.name))
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widget.set("theme.minwidth", "100%")
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return "{}%".format(capacity)
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def state(self, widget):
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state = []
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capacity = widget.get("capacity")
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if capacity < 0:
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return ["critical", "unknown"]
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if capacity < int(self.parameter("critical", 10)):
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state.append("critical")
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elif capacity < int(self.parameter("warning", 20)):
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state.append("warning")
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if widget.get("ac"):
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state.append("AC")
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else:
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charge = ""
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with open("{}/status".format(widget.name)) as f:
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charge = f.read().strip()
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if charge == "Discharging":
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state.append("discharging-{}".format(min([10, 25, 50, 80, 100] , key=lambda i:abs(i-capacity))))
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else:
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if capacity > 95:
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state.append("charged")
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else:
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state.append("charging")
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return state
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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