import python

private import semmle.python.dataflow.new.internal.DataFlowDispatch

predicate slice_method_name(string name) {

name = "__getslice__" or name = "__setslice__" or name = "__delslice__"

from Function f, string meth

f.isMethod() and

slice_method_name(meth) and

f.getName() = meth and

not DuckTyping::overridesMethod(f) and

not DuckTyping::hasUnresolvedBase(getADirectSuperclass*(f.getScope()))

select f, meth + " method has been deprecated since Python 2.0."