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28 lines
809 B
Python
28 lines
809 B
Python
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from functools import lru_cache
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from bs4 import BeautifulSoup # type: ignore
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from pygments import highlight as phighlight # type: ignore
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from pygments.formatters import HtmlFormatter # type: ignore
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from pygments.lexers import guess_lexer # type: ignore
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_FORMATTER = HtmlFormatter(style="vim")
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HIGHLIGHT_CSS = _FORMATTER.get_style_defs()
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@lru_cache(256)
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def highlight(html: str) -> str:
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soup = BeautifulSoup(html, "html5lib")
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for code in soup.find_all("code"):
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if not code.parent.name == "pre":
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continue
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lexer = guess_lexer(code.text)
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tag = BeautifulSoup(
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phighlight(code.text, lexer, _FORMATTER), "html5lib"
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).body.next
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pre = code.parent
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pre.replaceWith(tag)
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out = soup.body
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out.name = "div"
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return str(out)
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