47 lines
1.2 KiB
Python
47 lines
1.2 KiB
Python
from django.utils.html import escape, mark_safe
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__all__ = ["highlight_code"]
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def _make_pre_code(code):
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return mark_safe("<pre>" + escape(code) + "</pre>")
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def _wrap_code(inner):
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yield 0, "<code>"
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for tup in inner:
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yield tup
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yield 0, "</code>"
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try:
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import pygments
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import pygments.lexers
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import pygments.formatters.html
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import pygments.util
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except ImportError:
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def highlight_code(code, language, cssclass=None):
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return _make_pre_code(code)
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else:
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class HtmlCodeFormatter(pygments.formatters.HtmlFormatter):
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def wrap(self, source, outfile):
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return self._wrap_div(self._wrap_pre(_wrap_code(source)))
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def highlight_code(code, language, cssclass="codehilite", linenos=True):
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try:
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lexer = pygments.lexers.get_lexer_by_name(language)
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except pygments.util.ClassNotFound:
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return _make_pre_code(code)
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if linenos:
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return mark_safe(
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pygments.highlight(
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code, lexer, HtmlCodeFormatter(cssclass=cssclass, linenos="table")
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)
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)
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return mark_safe(
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pygments.highlight(code, lexer, HtmlCodeFormatter(cssclass=cssclass))
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)
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