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42 lines
1.1 KiB
42 lines
1.1 KiB
#!/usr/bin/env python
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# coding=UTF-8
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# saved to ~/bin/batcharge.py and from
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# http://stevelosh.com/blog/2010/02/my-extravagant-zsh-prompt/#my-right-prompt-battery-capacity
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import math, subprocess
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p = subprocess.Popen(["ioreg", "-rc", "AppleSmartBattery"], stdout=subprocess.PIPE)
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output = p.communicate()[0]
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o_max = [l for l in output.splitlines() if 'MaxCapacity' in l][0]
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o_cur = [l for l in output.splitlines() if 'CurrentCapacity' in l][0]
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b_max = float(o_max.rpartition('=')[-1].strip())
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b_cur = float(o_cur.rpartition('=')[-1].strip())
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charge = b_cur / b_max
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charge_threshold = int(math.ceil(10 * charge))
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# Output
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total_slots, slots = 10, []
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filled = int(math.ceil(charge_threshold * (total_slots / 10.0))) * u'◼'
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# old arrow: ▹▸▶
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empty = (total_slots - len(filled)) * u'◻'
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out = (filled + empty).encode('utf-8')
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import sys
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color_green = '%{[32m%}'
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color_yellow = '%{[33m%}'
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color_red = '%{[31m%}'
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color_reset = '%{[00m%}'
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color_out = (
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color_green if len(filled) > 6
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else color_yellow if len(filled) > 4
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else color_red
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)
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out = color_out + out + color_reset
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sys.stdout.write(out)
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