bazarr/libs/markdown/extensions/sane_lists.py

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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)