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February 9, 2017 04:11
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A python-markdown extension for adding inline styles to tags by tag name.
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| # Caveat emptor and all of that; apologies for mistakes. | |
| class InlineStylesTreeprocessor(Treeprocessor): | |
| """ | |
| A treeprocessor that recursively applies inline styles | |
| to all elements of a given tree. | |
| """ | |
| def __init__(self, styles): | |
| self.styles = styles | |
| def run(self, root): | |
| self.apply_styles(root) | |
| def apply_styles(self, element): | |
| for child in element: | |
| self.apply_styles(child) | |
| styles = self.styles.get(element.tag) | |
| if not styles: | |
| return | |
| current_styles = element.get('style', '') | |
| new_styles = '%s %s' % (current_styles, styles) | |
| element.set('style', new_styles) | |
| class InlineStylesExtension(Extension): | |
| """ | |
| A Markdown extension for adding inline styles to | |
| elements, by tag name. | |
| """ | |
| def __init__(self, **styles): | |
| self.styles = styles or {} | |
| def extendMarkdown(self, md, md_globals): | |
| md.treeprocessors['inline_styles'] = InlineStylesTreeprocessor(self.styles) |
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