127 lines
3.6 KiB
Python
127 lines
3.6 KiB
Python
"""Admonitions."""
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import xml.etree.ElementTree as etree
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from .block import Block, type_html_identifier
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from .. blocks import BlocksExtension
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import re
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RE_SEP = re.compile(r'[_-]+')
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RE_VALID_NAME = re.compile(r'[\w-]+')
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class Admonition(Block):
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"""
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Admonition.
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Arguments (1 optional):
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- A title.
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Options:
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- `type` (string): Attach a single special class for styling purposes. If more are needed,
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use the built-in `attributes` options to apply as many classes as desired.
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Content:
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Detail body.
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"""
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NAME = 'admonition'
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ARGUMENT = None
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OPTIONS = {
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'type': ['', type_html_identifier],
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}
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DEF_TITLE = None
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DEF_CLASS = None
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def on_validate(self, parent):
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"""Handle on validate event."""
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if self.NAME != 'admonition':
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self.options['type'] = {'name': self.NAME}
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if self.DEF_TITLE:
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self.options['type']['title'] = self.DEF_TITLE
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if self.DEF_TITLE:
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self.options['type']['class'] = self.DEF_CLASS
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return True
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def on_create(self, parent):
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"""Create the element."""
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# Set classes
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classes = ['admonition']
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obj = self.options['type']
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atype = def_title = class_name = ''
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if isinstance(obj, dict):
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atype = obj['name']
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class_name = obj.get('class', atype)
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def_title = obj.get('title', RE_SEP.sub(' ', class_name).title())
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elif isinstance(obj, str):
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atype = obj
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class_name = atype
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def_title = RE_SEP.sub(' ', atype).title()
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if atype and atype != 'admonition':
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classes.append(class_name)
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# Create the admonition
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el = etree.SubElement(parent, 'div', {'class': ' '.join(classes)})
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# Create the title
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title = None
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if self.argument is None:
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if atype:
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title = def_title
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elif self.argument:
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title = self.argument
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if title is not None:
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ad_title = etree.SubElement(el, 'p', {'class': 'admonition-title'})
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ad_title.text = title
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return el
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class AdmonitionExtension(BlocksExtension):
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"""Admonition Blocks Extension."""
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def __init__(self, *args, **kwargs):
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"""Initialize."""
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self.config = {
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"types": [
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['note', 'attention', 'caution', 'danger', 'error', 'tip', 'hint', 'warning'],
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"Generate Admonition block extensions for the given types."
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]
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}
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super().__init__(*args, **kwargs)
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def extendMarkdownBlocks(self, md, block_mgr):
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"""Extend Markdown blocks."""
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block_mgr.register(Admonition, self.getConfigs())
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# Generate an admonition subclass based on the given names.
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for obj in self.getConfig('types', []):
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if isinstance(obj, dict):
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name = obj['name']
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class_name = obj.get('class', name)
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title = obj.get('title', RE_SEP.sub(' ', class_name).title())
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else:
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name = obj
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class_name = name
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title = RE_SEP.sub(' ', class_name).title()
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subclass = RE_SEP.sub('', name).title()
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block_mgr.register(
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type(
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subclass,
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(Admonition,),
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{'OPTIONS': {}, 'NAME': name, 'DEF_TITLE': title, 'DEF_CLASS': class_name}
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),
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{}
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)
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def makeExtension(*args, **kwargs):
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"""Return extension."""
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return AdmonitionExtension(*args, **kwargs)
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