63 lines
1.6 KiB
Python
63 lines
1.6 KiB
Python
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import re
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def html_sanitize(x):
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return x # It seems that our test suite doesn't care.
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if not x:
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return x
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root = pq("<div />")
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if type(x) == str:
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x = unicode(x, "utf8", "replace")
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root.html(x)
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result = handle_element(root[0])
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new = pq(result)
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return new.html()
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to_remove = set(["script", "head", "meta", "title", "link", "img"])
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to_unwrap = set(["html", "body"])
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javascript_regex = re.compile("""^\s*javascript\s*\:.*$""")
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def handle_a(el, new):
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href = el.get("href", "#")
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if javascript_regex.search(href):
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href = "#"
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new.set("href", href)
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special = {
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"a": handle_a,
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}
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def handle_element(el):
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if type(el) == str or type(el) == unicode:
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return [el]
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if el.tag in to_remove:
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return []
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if el.tag in to_unwrap:
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return reduce(lambda x,y: x+y, [handle_element(x) for x in children(el)])
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new = pq("<%s />" % el.tag)[0]
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for i in children(el):
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append_to(handle_element(i), new)
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if el.tag in special:
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special[el.tag](el, new)
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return [new]
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def children(el):
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res = []
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if el.text is not None:
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res.append(el.text)
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for i in el.getchildren():
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res.append(i)
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if i.tail is not None:
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res.append(i.tail)
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return res
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def append_to(new_ones, el):
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for i in new_ones:
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if type(i) == str or type(i) == unicode:
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children = el.getchildren()
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if len(children) == 0:
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el.text = i
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else:
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children[-1].tail = i
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else:
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el.append(i)
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