Decodificar entities de HTML

import re
import htmlentitydefs

def unescape(text, encoding="UTF-8"):
    """
    Removes HTML or XML character references and entities from a text string.

    @param text The HTML (or XML) source text.
    @return The unescaped text as a Unicode.
    """

    def fixup(m):
        text = m.group(0)
        if text[:2] == "&#":
            # character reference
            try:
                if text[:3] == "&#x":
                    text = unichr(int(text[3:-1], 16))
                else:
                    text = unichr(int(text[2:-1]))
            except ValueError:
                pass
        else:
            # named entity
            try:
                text = unichr(htmlentitydefs.name2codepoint[text[1:-1]])
            except KeyError:
                pass

        return text

    # Decode string as needed
    text = text.decode(encoding) if isinstance(text, str) else text 
    return text and re.sub("&#?\w+;", fixup, text)