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61 lines
1.9 KiB
61 lines
1.9 KiB
6 months ago
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import re
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from typing import Optional, Any, TextIO
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from ..time import times_to_ms
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from .base import FormatBase
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from ..ssaevent import SSAEvent
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from ..ssafile import SSAFile
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# thanks to http://otsaloma.io/gaupol/doc/api/aeidon.files.mpl2_source.html
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MPL2_FORMAT = re.compile(r"^\[(-?\d+)\]\[(-?\d+)\](.*)", re.MULTILINE)
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class MPL2Format(FormatBase):
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"""MPL2 subtitle format implementation"""
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@classmethod
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def guess_format(cls, text: str) -> Optional[str]:
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"""See :meth:`pysubs2.formats.FormatBase.guess_format()`"""
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if MPL2_FORMAT.search(text):
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return "mpl2"
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else:
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return None
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@classmethod
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def from_file(cls, subs: "SSAFile", fp: TextIO, format_: str, **kwargs: Any) -> None:
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"""See :meth:`pysubs2.formats.FormatBase.from_file()`"""
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def prepare_text(lines: str) -> str:
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out = []
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for s in lines.split("|"):
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s = s.strip()
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if s.startswith("/"):
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# line beginning with '/' is in italics
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s = r"{\i1}%s{\i0}" % s[1:].strip()
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out.append(s)
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return "\\N".join(out)
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text = fp.read()
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for start, end, text in MPL2_FORMAT.findall(text):
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e = SSAEvent(
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start=times_to_ms(s=float(start) / 10),
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end=times_to_ms(s=float(end) / 10),
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text=prepare_text(text)
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)
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subs.append(e)
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@classmethod
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def to_file(cls, subs: "SSAFile", fp: TextIO, format_: str, **kwargs: Any) -> None:
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"""
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See :meth:`pysubs2.formats.FormatBase.to_file()`
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No styling is supported at the moment.
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"""
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# TODO handle italics
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for line in subs.get_text_events():
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start = int(line.start // 100)
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end = int(line.end // 100)
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text = line.plaintext.replace("\n", "|")
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print(f"[{start}][{end}] {text}", file=fp)
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