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https://github.com/gryf/gitea-rest-renderer.git
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gryf
1e88e10c78
Docutils can leverage pygments python package to create syntax highlight inside code blocks. Implementation consists two custom classes for getting HTML code tag contain appropriate class keyword and value.
47 lines
1.3 KiB
Python
Executable File
47 lines
1.3 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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from docutils import core
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from docutils.writers import html5_polyglot
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# add class "chroma" to the code block, to get the syntax highlighting
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class CustomHTMLTranslator(html5_polyglot.HTMLTranslator):
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def visit_literal_block(self, node):
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self.body.append(self.starttag(node, 'pre', '', CLASS='literal-block'))
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if 'code' in node.get('classes', []):
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self.body.append('<code class="chroma">')
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class CustomWriter(html5_polyglot.Writer):
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def __init__(self):
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super().__init__()
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self.translator_class = CustomHTMLTranslator
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def main():
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if not sys.stdin.isatty():
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text = sys.stdin.readlines()
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else:
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if len(sys.argv) != 2:
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print("There is no piped reSt source nor provided file, abort.")
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sys.exit(4)
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with open(sys.argv[1]) as fobj:
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text = fobj.read()
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try:
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import pygments
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settings = {'syntax_highlight': 'short'}
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except ImportError:
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settings = {'syntax_highlight': 'none'}
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parts = core.publish_parts(writer=CustomWriter(),
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source=''.join(text),
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settings_overrides=settings)
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print(parts.get('body', ''))
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if __name__ == '__main__':
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main()
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