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Feat: Add reindex command #97

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Feat: Add reindex command #97

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12 changes: 12 additions & 0 deletions pysrt/commands.py
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,11 @@ class SubRipShifter(object):
$ srt split 20m 20m movie.srt
=> creates movie.1.srt, movie.2.srt and movie.3.srt
""")
REINDEX_EPILOG = dedent("""\

Examples:
$ srt -i reindex movie.srt
""")
FRAME_RATE_HELP = "A frame rate in fps (commonly 23.9 or 25)"
ENCODING_HELP = dedent("""\
Change file encoding. Useful for players accepting only latin1 subtitles.
Expand Down Expand Up @@ -114,6 +119,9 @@ def build_parser(self):
type=self.parse_time, help=self.TIMESTAMP_HELP)
shift_parser.set_defaults(action=self.shift)

enum_parser = subparsers.add_parser('reindex', help="Sort & re-enumerate subtitles (eg. after merge)", epilog=self.REINDEX_EPILOG, formatter_class=argparse.RawTextHelpFormatter)
enum_parser.set_defaults(action=self.reindex)

rate_parser = subparsers.add_parser('rate', help="Convert subtitles from a frame rate to another", epilog=self.RATE_EPILOG, formatter_class=argparse.RawTextHelpFormatter)
rate_parser.add_argument('initial', action='store', type=float, help=self.FRAME_RATE_HELP)
rate_parser.add_argument('final', action='store', type=float, help=self.FRAME_RATE_HELP)
Expand Down Expand Up @@ -161,6 +169,10 @@ def shift(self):
self.input_file.shift(milliseconds=self.arguments.time_offset)
self.input_file.write_into(self.output_file)

def reindex(self):
self.input_file.clean_indexes()
self.input_file.write_into(self.output_file)

def rate(self):
ratio = self.arguments.final / self.arguments.initial
self.input_file.shift(ratio=ratio)
Expand Down