mirror of https://github.com/morpheus65535/bazarr
97 lines
2.9 KiB
Python
Executable File
97 lines
2.9 KiB
Python
Executable File
#!/usr/bin/env python
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"""Deduplicate repeated subtitles."""
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import datetime
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import srt_tools.utils
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import logging
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import operator
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log = logging.getLogger(__name__)
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try: # Python 2
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range = xrange # pytype: disable=name-error
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except NameError:
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pass
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def parse_args():
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examples = {
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"Remove duplicated subtitles within 5 seconds of each other": "srt deduplicate -i duplicated.srt",
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"Remove duplicated subtitles within 500 milliseconds of each other": "srt deduplicate -t 500 -i duplicated.srt",
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"Remove duplicated subtitles regardless of temporal proximity": "srt deduplicate -t 0 -i duplicated.srt",
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}
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parser = srt_tools.utils.basic_parser(
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description=__doc__,
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examples=examples,
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)
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parser.add_argument(
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"-t",
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"--ms",
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metavar="MILLISECONDS",
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default=datetime.timedelta(milliseconds=5000),
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type=lambda ms: datetime.timedelta(milliseconds=int(ms)),
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help="how many milliseconds distance a subtitle start time must be "
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"within of another to be considered a duplicate "
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"(default: 5000ms)",
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)
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return parser.parse_args()
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def deduplicate_subs(orig_subs, acceptable_diff):
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"""Remove subtitles with duplicated content."""
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indices_to_remove = []
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# If we only store the subtitle itself and compare that, it's possible that
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# we'll not only remove the duplicate, but also the _original_ subtitle if
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# they have the same sub index/times/etc.
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#
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# As such, we need to also store the index in the original subs list that
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# this entry belongs to for each subtitle prior to sorting.
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sorted_subs = sorted(
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enumerate(orig_subs), key=lambda sub: (sub[1].content, sub[1].start)
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)
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for subs in srt_tools.utils.sliding_window(sorted_subs, width=2, inclusive=False):
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cur_idx, cur_sub = subs[0]
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next_idx, next_sub = subs[1]
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if cur_sub.content == next_sub.content and (
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not acceptable_diff or cur_sub.start + acceptable_diff >= next_sub.start
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):
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log.debug(
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"Marking l%d/s%d for removal, duplicate of l%d/s%d",
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next_idx,
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next_sub.index,
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cur_idx,
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cur_sub.index,
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)
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indices_to_remove.append(next_idx)
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offset = 0
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for idx in indices_to_remove:
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del orig_subs[idx - offset]
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offset += 1
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def main():
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args = parse_args()
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logging.basicConfig(level=args.log_level)
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srt_tools.utils.set_basic_args(args)
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subs = list(args.input)
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deduplicate_subs(subs, args.ms)
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output = srt_tools.utils.compose_suggest_on_fail(subs, strict=args.strict)
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try:
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args.output.write(output)
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except (UnicodeEncodeError, TypeError): # Python 2 fallback
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args.output.write(output.encode(args.encoding))
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if __name__ == "__main__": # pragma: no cover
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main()
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