mirror of https://github.com/morpheus65535/bazarr
107 lines
3.8 KiB
Python
107 lines
3.8 KiB
Python
import re
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from .formatbase import FormatBase
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from .ssaevent import SSAEvent
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from .ssastyle import SSAStyle
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from .substation import parse_tags
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from .time import ms_to_times, make_time, TIMESTAMP_SHORT, timestamp_to_ms
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#: Pattern that matches TMP line
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TMP_LINE = re.compile(r"(\d{1,2}:\d{2}:\d{2}):(.+)")
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#: Largest timestamp allowed in Tmp, ie. 99:59:59.
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MAX_REPRESENTABLE_TIME = make_time(h=100) - 1
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class TmpFormat(FormatBase):
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"""TMP subtitle format implementation"""
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@staticmethod
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def ms_to_timestamp(ms: int) -> str:
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"""Convert ms to 'HH:MM:SS'"""
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# XXX throw on overflow/underflow?
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if ms < 0: ms = 0
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if ms > MAX_REPRESENTABLE_TIME: ms = MAX_REPRESENTABLE_TIME
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h, m, s, ms = ms_to_times(ms)
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return "%02d:%02d:%02d" % (h, m, s)
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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 "[Script Info]" in text or "[V4+ Styles]" in text:
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# disambiguation vs. SSA/ASS
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return None
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for line in text.splitlines():
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if TMP_LINE.match(line) and len(TMP_LINE.findall(line)) == 1:
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return "tmp"
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@classmethod
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def from_file(cls, subs, fp, format_, **kwargs):
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"""See :meth:`pysubs2.formats.FormatBase.from_file()`"""
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events = []
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def prepare_text(text):
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text = text.replace("|", r"\N") # convert newlines
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text = re.sub(r"< *u *>", "{\\\\u1}", text) # not r" for Python 2.7 compat, triggers unicodeescape
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text = re.sub(r"< */? *[a-zA-Z][^>]*>", "", text) # strip other HTML tags
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return text
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for line in fp:
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match = TMP_LINE.match(line)
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if not match:
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continue
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start, text = match.groups()
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start = timestamp_to_ms(TIMESTAMP_SHORT.match(start).groups())
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# Unfortunately, end timestamp is not given; try to estimate something reasonable:
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# start + 500 ms + 67 ms/character (15 chars per second)
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end_guess = start + 500 + (len(line) * 67)
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event = SSAEvent(start=start, end=end_guess, text=prepare_text(text))
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events.append(event)
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# correct any overlapping subtitles created by end_guess
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for i in range(len(events) - 1):
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events[i].end = min(events[i].end, events[i+1].start)
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subs.events = events
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@classmethod
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def to_file(cls, subs, fp, format_, apply_styles=True, **kwargs):
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"""
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See :meth:`pysubs2.formats.FormatBase.to_file()`
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Italic, underline and strikeout styling is supported.
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Keyword args:
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apply_styles: If False, do not write any styling.
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"""
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def prepare_text(text, style):
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body = []
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skip = False
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for fragment, sty in parse_tags(text, style, subs.styles):
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fragment = fragment.replace(r"\h", " ")
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fragment = fragment.replace(r"\n", "\n")
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fragment = fragment.replace(r"\N", "\n")
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if apply_styles:
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if sty.italic: fragment = "<i>%s</i>" % fragment
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if sty.underline: fragment = "<u>%s</u>" % fragment
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if sty.strikeout: fragment = "<s>%s</s>" % fragment
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if sty.drawing: skip = True
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body.append(fragment)
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if skip:
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return ""
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else:
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return re.sub("\n+", "\n", "".join(body).strip())
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visible_lines = (line for line in subs if not line.is_comment)
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for line in visible_lines:
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start = cls.ms_to_timestamp(line.start)
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text = prepare_text(line.text, subs.styles.get(line.style, SSAStyle.DEFAULT_STYLE))
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print(start + ":" + text, end="\n", file=fp)
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