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48 lines
1.3 KiB
48 lines
1.3 KiB
3 years ago
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#!/usr/bin/env python
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"""Shifts a subtitle by a fixed number of seconds."""
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import datetime
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import srt_tools.utils
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import logging
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log = logging.getLogger(__name__)
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def parse_args():
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examples = {
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"Make all subtitles 5 seconds later": "srt fixed-timeshift --seconds 5",
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"Make all subtitles 5 seconds earlier": "srt fixed-timeshift --seconds -5",
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}
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parser = srt_tools.utils.basic_parser(description=__doc__, examples=examples)
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parser.add_argument(
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"--seconds", type=float, required=True, help="how many seconds to shift"
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)
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return parser.parse_args()
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def scalar_correct_subs(subtitles, seconds_to_shift):
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td_to_shift = datetime.timedelta(seconds=seconds_to_shift)
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for subtitle in subtitles:
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subtitle.start += td_to_shift
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subtitle.end += td_to_shift
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yield subtitle
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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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corrected_subs = scalar_correct_subs(args.input, args.seconds)
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output = srt_tools.utils.compose_suggest_on_fail(corrected_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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