75 lines
1.9 KiB
Python
75 lines
1.9 KiB
Python
'''
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Find time, filesize, or bitrate, given two of the three.
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For example:
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kbps.py --time 1:00:00 --size 2g
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kbps.py --time 1:00:00 --kbps 4660
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kbps.py --size 2g --kpbps 4660
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'''
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import argparse
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import sys
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from voussoirkit import bytestring
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def hms_s(hms):
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hms = hms.split(':')
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seconds = 0
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if len(hms) == 3:
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seconds += int(hms[0])*3600
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hms.pop(0)
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if len(hms) == 2:
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seconds += int(hms[0])*60
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hms.pop(0)
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if len(hms) == 1:
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seconds += int(hms[0])
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return seconds
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def s_hms(s):
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(minutes, seconds) = divmod(s, 60)
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(hours, minutes) = divmod(minutes, 60)
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return '%02d:%02d:%02d' % (hours, minutes, seconds)
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def kbps(time=None, size=None, kbps=None):
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if [time, size, kbps].count(None) != 1:
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raise ValueError('Incorrect number of unknowns')
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if size is None:
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seconds = hms_s(time)
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kibs = int(kbps) / 8
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size = kibs * 1024
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size *= seconds
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out = bytestring.bytestring(size)
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return out
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if time is None:
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size = bytestring.parsebytes(size)
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kilobits = size / 128
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time = kilobits / int(kbps)
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return s_hms(time)
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if kbps is None:
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seconds = hms_s(time)
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size = bytestring.parsebytes(size)
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kibs = size / 1024
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kilobits = kibs * 8
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kbps = kilobits / seconds
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kbps = '%d kbps' % int(round(kbps))
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return kbps
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def example_argparse(args):
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print(kbps(time=args.time, size=args.size, kbps=args.kbps))
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def main(argv):
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parser = argparse.ArgumentParser()
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parser.add_argument('-t', '--time', dest='time', default=None)
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parser.add_argument('-s', '--size', dest='size', default=None)
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parser.add_argument('-k', '--kbps', dest='kbps', default=None)
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parser.set_defaults(func=example_argparse)
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args = parser.parse_args(argv)
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args.func(args)
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if __name__ == '__main__':
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main(sys.argv[1:])
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