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| # Sane List Extension for Python-Markdown | |
| # ======================================= | |
| # Modify the behavior of Lists in Python-Markdown to act in a sane manor. | |
| # See https://Python-Markdown.github.io/extensions/sane_lists | |
| # for documentation. | |
| # Original code Copyright 2011 [Waylan Limberg](http://achinghead.com) | |
| # All changes Copyright 2011-2014 The Python Markdown Project | |
| # License: [BSD](https://opensource.org/licenses/bsd-license.php) | |
| """ | |
| Modify the behavior of Lists in Python-Markdown to act in a sane manor. | |
| See [documentation](https://Python-Markdown.github.io/extensions/sane_lists) | |
| for details. | |
| """ | |
| from __future__ import annotations | |
| from . import Extension | |
| from ..blockprocessors import OListProcessor, UListProcessor | |
| import re | |
| from typing import TYPE_CHECKING | |
| if TYPE_CHECKING: # pragma: no cover | |
| from .. import blockparser | |
| class SaneOListProcessor(OListProcessor): | |
| """ Override `SIBLING_TAGS` to not include `ul` and set `LAZY_OL` to `False`. """ | |
| SIBLING_TAGS = ['ol'] | |
| """ Exclude `ul` from list of siblings. """ | |
| LAZY_OL = False | |
| """ Disable lazy list behavior. """ | |
| def __init__(self, parser: blockparser.BlockParser): | |
| super().__init__(parser) | |
| self.CHILD_RE = re.compile(r'^[ ]{0,%d}((\d+\.))[ ]+(.*)' % | |
| (self.tab_length - 1)) | |
| class SaneUListProcessor(UListProcessor): | |
| """ Override `SIBLING_TAGS` to not include `ol`. """ | |
| SIBLING_TAGS = ['ul'] | |
| """ Exclude `ol` from list of siblings. """ | |
| def __init__(self, parser: blockparser.BlockParser): | |
| super().__init__(parser) | |
| self.CHILD_RE = re.compile(r'^[ ]{0,%d}(([*+-]))[ ]+(.*)' % | |
| (self.tab_length - 1)) | |
| class SaneListExtension(Extension): | |
| """ Add sane lists to Markdown. """ | |
| def extendMarkdown(self, md): | |
| """ Override existing Processors. """ | |
| md.parser.blockprocessors.register(SaneOListProcessor(md.parser), 'olist', 40) | |
| md.parser.blockprocessors.register(SaneUListProcessor(md.parser), 'ulist', 30) | |
| def makeExtension(**kwargs): # pragma: no cover | |
| return SaneListExtension(**kwargs) | |