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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def newTextReader(self, URI):
 """Create an xmlTextReader structure fed with @input """

        ret = libxml2mod.xmlNewTextReader(self._o, URI)
        if ret is None:raise treeError('xmlNewTextReader() failed')
        __tmp = xmlTextReader(_obj=ret)
        __tmp.input = self
        return __tmp