Python ast code to call an instance object method and pass in a parameter, i.e. equivalent to result = self._baz(theResult)"

astCallAnInstanceObjectMethod.py

import ast

# ast code to call an instance object method and pass in a parameter, i.e. equivalent to
# result = self._baz(theResult)"

class Greeter:
        def _baz(self, theStr):
                return theStr

        def baz(self, theResult):
                assignresult = ast.Module(body=[ ast.Assign(targets = [
                        ast.Name(id = 'result', ctx = ast.Store())],
                        value =
                                ast.Call(func=ast.Attribute(value=ast.Name(id='self', ctx=ast.Load()), attr='_baz', ctx=ast.Load()),
                                        ctx=ast.Load(),
                                        args=[ast.Name(id="theResult", ctx=ast.Load())],
                                        keywords=[]))
                        ])
                ast.fix_missing_locations(assignresult)
                co = compile(assignresult, "<ast>", "exec")
                exec(co)

                return result