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How to use visitDiscard method in autotest

Best Python code snippet using autotest_python

codegen.py

Source:codegen.py

...4import dis5import operator6from parser import ParserError7class MyCodeGenerator(compiler.pycodegen.ModuleCodeGenerator):8    def visitDiscard(self, node):9        self.visit(node.expr)10        self.emit('RETURN_VALUE') # instead of printing :-)11def get_code(string):12    """ determine whether string is an expression or a statement """13    try: tree = compiler.pycodegen.parse(string,'exec')14    except ParserError,e:15        print "no valid statement:",string16        raise17    print tree18    tree.filename='<string>'19    return MyCodeGenerator(tree).getCode()20def othercode(string):21    tree = compiler.pycodegen.Module(string, "<string>")22    print tree._get_tree()...

find_locals.py

Source:find_locals.py

...10        if isinstance(n.nodes[0], AssName):11            return set([n.nodes[0].name])12        else:13            return set([])14    def visitDiscard(self, n):15        return set([])16    17    def visitReturn(self, n):18        return set([])19    def visitFunction(self, n):20        return set([n.name])21    def visitIf(self, n):22        return self.dispatch(n.tests[0][1]) | self.dispatch(n.else_)23    def visitWhile(self, n):24        return self.dispatch(n.body)25    def visitClass(self, n):...

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