parameters: (self, name, ns_uri, f)
return_statement: return ret
docstring: Register a Python written function to the XPath interpreter
docstring_summary: Register a Python written function to the XPath interpreter
docstring_tokens: Register a Python written function to the XPath interpreter
function: def registerXPathFunction(self, name, ns_uri, f):
          """Register a Python written function to the XPath interpreter """
          ret = libxml2mod.xmlRegisterXPathFunction(self._o, name, ns_uri, f)
          return ret
function_tokens: def registerXPathFunction ( self , name , ns_uri , f ) : ret = libxml2mod . xmlRegisterXPathFunction ( self . _o , name , ns_uri , f ) return ret