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68 lines
1.4 KiB
68 lines
1.4 KiB
6 years ago
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#!/usr/bin/env python3
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"""
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This tool can be used to quickly changes the values in a JSON file used for tuning
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Keys like in vim:
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- h: decrease by 0.05
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- l: increase by 0.05
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- k: move pointer up
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- j: move pointer down
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"""
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import tty
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import sys
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import json
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import termios
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from collections import OrderedDict
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FILENAME = '/data/tuning.json'
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def read_tuning():
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while True:
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try:
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return json.loads(open(FILENAME).read())
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except:
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pass
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def main():
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dat = json.loads(open(FILENAME, 'r').read())
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dat = OrderedDict(sorted(dat.items(), key=lambda i: i[0]))
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cur = 0
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while True:
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sys.stdout.write("\x1Bc")
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for i, (k, v) in enumerate(dat.items()):
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prefix = "> " if cur == i else " "
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print((prefix + k).ljust(20) + "%.2f" % v)
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key = sys.stdin.read(1)[0]
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write = False
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if key == "k":
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cur = max(0, cur - 1)
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elif key == "j":
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cur = min(len(dat.keys()) - 1, cur + 1)
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elif key == "l":
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dat[dat.keys()[cur]] += 0.05
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write = True
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elif key == "h":
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dat[dat.keys()[cur]] -= 0.05
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write = True
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elif key == "q":
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break
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if write:
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open(FILENAME, 'w').write(json.dumps(dat))
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if __name__ == "__main__":
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orig_settings = termios.tcgetattr(sys.stdin)
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tty.setcbreak(sys.stdin)
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try:
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main()
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termios.tcsetattr(sys.stdin, termios.TCSADRAIN, orig_settings)
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except:
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termios.tcsetattr(sys.stdin, termios.TCSADRAIN, orig_settings)
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raise
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