codecs for Python 2

Posted on Edited on 
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# Handling Unicode: http://stackoverflow.com/a/6633040/305414
import sys
if sys.version < '3':
    import codecs
    def u(x):
        return codecs.unicode_escape_decode(x)[0]
else:
    def u(x):
        return x

Still search for the documentation for the function unicode_escape_decode() in codecs.