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#!/usr/bin/env python
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# coding=UTF-8
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""" Prints a battery meter for use in a zsh theme """
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import sys
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""" Config """
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output_length = 10
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hide_when_charge_is_above = 90
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filled_char, empty_char = u'▪', u'▫'
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""" Read battery charge """
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def read_battery_percent (sp, regex):
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""" Reads the battery charge as an integer between 0 and 100, using a given process and regex. """
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import subprocess, re
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process = subprocess.Popen(sp, stdout=subprocess.PIPE)
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output = process.communicate()[0].strip()
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return int(re.search(regex, output, re.MULTILINE).group(1))
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if sys.platform.startswith('darwin'):
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""" OSX - 'pmset -g batt' """
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charge = read_battery_percent(["pmset", "-g", "batt"], "^.+\t([\d]+)\%")
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elif sys.platform.startswith('freebsd'):
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""" Freebsd - 'acpiconf -i 0' """
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charge = read_battery_percent(["acpiconf", "-i", "0"], "")
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else:
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""" Linux - 'acpi -b' """
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charge = read_battery_percent(["acpi", "-b"], "^Battery 0: .+, ([\d]+)\%")
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""" Output """
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if charge < hide_when_charge_is_above:
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filled = int(charge / output_length)
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empty = output_length - filled
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meter = (filled * filled_char + empty * empty_char).encode('utf-8')
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color = 'green'if filled > 6 else 'yellow' if filled > 4 else 'red'
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sys.stdout.write("%F{{{0}}}{1}%f".format(color, meter))
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