diff options
Diffstat (limited to 'markdown/extensions/def_list.py')
| -rw-r--r-- | markdown/extensions/def_list.py | 87 |
1 files changed, 47 insertions, 40 deletions
diff --git a/markdown/extensions/def_list.py b/markdown/extensions/def_list.py index 73a1c85..17549f0 100644 --- a/markdown/extensions/def_list.py +++ b/markdown/extensions/def_list.py @@ -1,61 +1,71 @@ -#!/usr/bin/env Python """ Definition List Extension for Python-Markdown ============================================= -Added parsing of Definition Lists to Python-Markdown. +Adds parsing of Definition Lists to Python-Markdown. -A simple example: +See <https://Python-Markdown.github.io/extensions/definition_lists> +for documentation. - Apple - : Pomaceous fruit of plants of the genus Malus in - the family Rosaceae. - : An american computer company. +Original code Copyright 2008 [Waylan Limberg](http://achinghead.com) - Orange - : The fruit of an evergreen tree of the genus Citrus. +All changes Copyright 2008-2014 The Python Markdown Project -Copyright 2008 - [Waylan Limberg](http://achinghead.com) +License: [BSD](https://opensource.org/licenses/bsd-license.php) """ -import markdown, re -from markdown import etree +from . import Extension +from ..blockprocessors import BlockProcessor, ListIndentProcessor +import xml.etree.ElementTree as etree +import re -class DefListProcessor(markdown.blockprocessors.BlockProcessor): +class DefListProcessor(BlockProcessor): """ Process Definition Lists. """ RE = re.compile(r'(^|\n)[ ]{0,3}:[ ]{1,3}(.*?)(\n|$)') + NO_INDENT_RE = re.compile(r'^[ ]{0,3}[^ :]') def test(self, parent, block): return bool(self.RE.search(block)) def run(self, parent, blocks): - block = blocks.pop(0) - m = self.RE.search(block) - terms = [l.strip() for l in block[:m.start()].split('\n') if l.strip()] - d, theRest = self.detab(block[m.end():]) + + raw_block = blocks.pop(0) + m = self.RE.search(raw_block) + terms = [term.strip() for term in + raw_block[:m.start()].split('\n') if term.strip()] + block = raw_block[m.end():] + no_indent = self.NO_INDENT_RE.match(block) + if no_indent: + d, theRest = (block, None) + else: + d, theRest = self.detab(block) if d: - d = '%s\n%s' % (m.group(2), d) + d = '{}\n{}'.format(m.group(2), d) else: d = m.group(2) - #import ipdb; ipdb.set_trace() sibling = self.lastChild(parent) + if not terms and sibling is None: + # This is not a definition item. Most likely a paragraph that + # starts with a colon at the beginning of a document or list. + blocks.insert(0, raw_block) + return False if not terms and sibling.tag == 'p': # The previous paragraph contains the terms state = 'looselist' terms = sibling.text.split('\n') parent.remove(sibling) - # Aquire new sibling + # Acquire new sibling sibling = self.lastChild(parent) else: state = 'list' - if sibling and sibling.tag == 'dl': + if sibling is not None and sibling.tag == 'dl': # This is another item on an existing list dl = sibling - if len(dl) and dl[-1].tag == 'dd' and len(dl[-1]): + if not terms and len(dl) and dl[-1].tag == 'dd' and len(dl[-1]): state = 'looselist' else: # This is a new list @@ -73,32 +83,29 @@ class DefListProcessor(markdown.blockprocessors.BlockProcessor): if theRest: blocks.insert(0, theRest) -class DefListIndentProcessor(markdown.blockprocessors.ListIndentProcessor): + +class DefListIndentProcessor(ListIndentProcessor): """ Process indented children of definition list items. """ - ITEM_TYPES = ['dd'] - LIST_TYPES = ['dl'] + # Definition lists need to be aware of all list types + ITEM_TYPES = ['dd', 'li'] + LIST_TYPES = ['dl', 'ol', 'ul'] - def create_item(parent, block): - """ Create a new dd and parse the block with it as the parent. """ - dd = markdown.etree.SubElement(parent, 'dd') + def create_item(self, parent, block): + """ Create a new dd or li (depending on parent) and parse the block with it as the parent. """ + + dd = etree.SubElement(parent, 'dd') self.parser.parseBlocks(dd, [block]) - -class DefListExtension(markdown.Extension): +class DefListExtension(Extension): """ Add definition lists to Markdown. """ - def extendMarkdown(self, md, md_globals): + def extendMarkdown(self, md): """ Add an instance of DefListProcessor to BlockParser. """ - md.parser.blockprocessors.add('defindent', - DefListIndentProcessor(md.parser), - '>indent') - md.parser.blockprocessors.add('deflist', - DefListProcessor(md.parser), - '>ulist') - + md.parser.blockprocessors.register(DefListIndentProcessor(md.parser), 'defindent', 85) + md.parser.blockprocessors.register(DefListProcessor(md.parser), 'deflist', 25) -def makeExtension(configs={}): - return DefListExtension(configs=configs) +def makeExtension(**kwargs): # pragma: no cover + return DefListExtension(**kwargs) |