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37 lines
1.0 KiB
37 lines
1.0 KiB
3 years ago
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import re
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from .subrip import SubripFormat
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from .time import make_time
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class WebVTTFormat(SubripFormat):
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"""
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Web Video Text Tracks (WebVTT) subtitle format implementation
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Currently, this shares implementation with :class:`pysubs2.subrip.SubripFormat`.
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"""
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TIMESTAMP = re.compile(r"(\d{0,4}:)?(\d{2}):(\d{2})\.(\d{2,3})")
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@staticmethod
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def timestamp_to_ms(groups):
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_h, _m, _s, _ms = groups
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if not _h:
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h = 0
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else:
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h = int(_h.strip(":"))
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m, s, ms = map(int, (_m, _s, _ms))
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return make_time(h=h, m=m, s=s, ms=ms)
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@classmethod
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def guess_format(cls, text):
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"""See :meth:`pysubs2.formats.FormatBase.guess_format()`"""
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if text.lstrip().startswith("WEBVTT"):
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return "vtt"
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@classmethod
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def to_file(cls, subs, fp, format_, **kwargs):
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"""
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See :meth:`pysubs2.formats.FormatBase.to_file()`
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"""
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print("WEBVTT\n", file=fp)
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return SubripFormat.to_file(subs=subs, fp=fp, format_=format_, **kwargs)
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