54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
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from datetime import datetime, timedelta
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def get_timefile_exact(time):
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'''
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time is of type `datetime`; it is not "rounded" to match the real file;
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that work is done in get_timefile(time)
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'''
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return time.strftime('%Y-%m/%d/rec-%Y-%m-%d-%H-%M-%S-ror.mp3')
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def round_timefile(exact):
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'''
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This will round the datetime, so to match the file organization structure
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'''
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return datetime(exact.year, exact.month, exact.day, exact.hour)
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def get_timefile(exact):
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return get_timefile_exact(round_timefile(exact))
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def get_files_and_intervals(start, end, rounder=round_timefile):
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'''
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both arguments are datetime objects
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returns an iterator whose elements are (filename, start_cut, end_cut)
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Cuts are expressed in seconds
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'''
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print '%s < %s' % (start, end)
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if end <= start:
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raise ValueError("end < start!")
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while start <= end:
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begin = rounder(start)
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start_cut = (start - begin).total_seconds()
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if end < begin + timedelta(seconds=3599):
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end_cut = (begin + timedelta(seconds=3599) - end).total_seconds()
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else:
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end_cut = 0
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yield (begin, start_cut, end_cut)
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start = begin + timedelta(hours=1)
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def mp3_join(named_intervals):
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'''
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Note that these are NOT the intervals returned by get_files_and_intervals,
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as they do not supply a filename, but only a datetime.
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What we want in input is basically the same thing, but with get_timefile()
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applied on the first element
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'''
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for (filename, start_cut, end_cut) in named_intervals:
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pass
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raise NotImplementedError()
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