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57 lines
2.1 KiB
Python
57 lines
2.1 KiB
Python
import html5lib
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import html5lib.treebuilders.dom
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# Expected use:
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# curl --compressed http://www.whatwg.org/specs/web-apps/current-work/ >current-work
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# python specextract.py
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#
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# Generates current-work-canvas.xhtml, for use by gentest.py to create the annotated spec document
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def extract():
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parser = html5lib.html5parser.HTMLParser(tree=html5lib.treebuilders.dom.TreeBuilder)
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doc = parser.parse(open('current-work', "r"), encoding='utf-8')
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head = doc.getElementsByTagName('head')[0]
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for n in head.childNodes:
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if n.tagName == 'script':
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head.removeChild(n)
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header = doc.getElementsByTagName('header')[0]
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#thecanvas = doc.getElementById('the-canvas') # doesn't work (?!)
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thecanvas = [ n for n in doc.getElementsByTagName('h4') if n.getAttribute('id') == 'the-canvas-element' ][0]
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keep = [header, thecanvas]
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node = thecanvas.nextSibling
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while node.nodeName != 'h4':
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keep.append(node)
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node = node.nextSibling
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p = thecanvas.parentNode
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for n in p.childNodes[:]:
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if n not in keep:
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p.removeChild(n)
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for n in header.childNodes[3:-4]:
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header.removeChild(n)
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def make_absolute(uri):
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if uri.startswith('data:'):
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return uri
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elif uri[0] == '/':
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return 'http://www.whatwg.org' + uri
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else:
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return 'http://www.whatwg.org/specs/web-apps/current-work/' + uri
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# Fix the stylesheet, icon and image references
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for e in doc.getElementsByTagName('link'):
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e.setAttribute('href', make_absolute(e.getAttribute('href')))
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for img in doc.getElementsByTagName('img'):
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img.setAttribute('src', make_absolute(img.getAttribute('src')))
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# Convert to XHTML, because it's quicker to re-parse than HTML5
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doc.documentElement.setAttribute('xmlns', 'http://www.w3.org/1999/xhtml')
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doc.documentElement.setAttribute('xml:lang', doc.documentElement.getAttribute('lang'))
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doc.removeChild(doc.firstChild) # remove the DOCTYPE
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open('current-work-canvas.xhtml', 'w').write(doc.toxml(encoding = 'UTF-8'))
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extract()
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