forked from varia/varia.website
many many many Varia's websites, work in progress: https://many.vvvvvvaria.org
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103 lines
4.6 KiB
103 lines
4.6 KiB
5 years ago
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#!/usr/bin/env python
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# -*- coding: utf-8 -*- #
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from pelican import signals
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import html5lib
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import six
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RAW_FOOTNOTE_CONTAINERS = ["code"]
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def getText(node, recursive=False):
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"""Get all the text associated with this node.
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With recursive == True, all text from child nodes is retrieved."""
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L = [u'']
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for n in node.childNodes:
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if n.nodeType in (node.TEXT_NODE, node.CDATA_SECTION_NODE):
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L.append(n.data)
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else:
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if not recursive:
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return None
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L.append(getText(n))
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return u''.join(L)
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def sequence_gen(genlist):
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for gen in genlist:
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for elem in gen:
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yield elem
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def parse_for_footnotes(article_or_page_generator):
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all_content = [
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getattr(article_or_page_generator, attr, None) \
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for attr in [u'articles', u'drafts', u'pages']]
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all_content = [x for x in all_content if x is not None]
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for article in sequence_gen(all_content):
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if u"[ref]" in article._content and u"[/ref]" in article._content:
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content = article._content.replace(u"[ref]", u"<x-simple-footnote>").replace(u"[/ref]", u"</x-simple-footnote>")
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parser = html5lib.HTMLParser(tree=html5lib.getTreeBuilder(u"dom"))
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dom = parser.parse(content)
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endnotes = []
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count = 0
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for footnote in dom.getElementsByTagName(u"x-simple-footnote"):
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pn = footnote
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leavealone = False
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while pn:
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if pn.nodeName in RAW_FOOTNOTE_CONTAINERS:
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leavealone = True
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break
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pn = pn.parentNode
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if leavealone:
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continue
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count += 1
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fnid = u"sf-%s-%s" % (article.slug, count)
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fnbackid = u"%s-back" % (fnid,)
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endnotes.append((footnote, fnid, fnbackid))
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number = dom.createElement(u"sup")
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number.setAttribute(u"id", fnbackid)
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number.setAttribute(u"class", u"simple-footnote")
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number.appendChild(dom.createTextNode(six.text_type(count)))
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txt = getText(footnote, recursive=True).replace(u"\n", u" ")
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footnote_container = dom.createElement(u"span")
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footnote_container.setAttribute(u"class", u"simple-footnote-container")
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footnote_content = dom.createElement(u"span")
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footnote_content.appendChild(dom.createTextNode('['+six.text_type(count)+'] '))
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footnote_content.appendChild(footnote.firstChild)
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footnote_content.setAttribute(u"class", u"simple-footnote-content")
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footnote_container.appendChild(footnote_content)
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# print(footnote.firstChild)
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number.appendChild(footnote_container)
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footnote.parentNode.insertBefore(number, footnote)
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footnote.parentNode.insertBefore(footnote_container, footnote)
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if endnotes:
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ol = dom.createElement(u"ol")
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ol.setAttribute(u"class", u"simple-footnotes")
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for e, fnid, fnbackid in endnotes:
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# li = dom.createElement(u"li")
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# li.setAttribute(u"id", fnid)
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# while e.firstChild:
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# li.appendChild(e.firstChild)
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# backlink = dom.createElement(u"a")
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# backlink.setAttribute(u"href", u"#%s" % fnbackid)
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# backlink.setAttribute(u"class", u"simple-footnote-back")
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# backlink.appendChild(dom.createTextNode(u'\u21a9'))
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# li.appendChild(dom.createTextNode(u" "))
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# li.appendChild(backlink)
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# ol.appendChild(li)
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e.parentNode.removeChild(e)
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dom.getElementsByTagName(u"body")[0].appendChild(ol)
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s = html5lib.serializer.HTMLSerializer(omit_optional_tags=False, quote_attr_values='legacy')
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output_generator = s.serialize(
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html5lib.treewalkers.getTreeWalker(u"dom")(dom.getElementsByTagName(u"body")[0]))
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article._content = u"".join(list(output_generator)).replace(
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u"<x-simple-footnote>", u"[ref]").replace(u"</x-simple-footnote>", u"[/ref]").replace(
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u"<body>", u"").replace(u"</body>", u"")
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def register():
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signals.article_generator_finalized.connect(parse_for_footnotes)
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signals.page_generator_finalized.connect(parse_for_footnotes)
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