Method _exec_super

Lib/test/test_monitoring.py:1868–1880

(self, codestr, optimized=False)

        return d

    def _exec_super(self, codestr, optimized=False):
        # The compiler checks for statically visible shadowing of the name
        # `super`, and declines to emit `LOAD_SUPER_ATTR` if shadowing is found.
        # So inserting `super = super` prevents the compiler from emitting
        # `LOAD_SUPER_ATTR`, and allows us to test that monitoring events for
        # `LOAD_SUPER_ATTR` are equivalent to those we'd get from the
        # un-optimized `LOAD_GLOBAL super; CALL; LOAD_ATTR` form.
        assignment = "x = 1" if optimized else "super = super"
        codestr = f"{assignment}\n{textwrap.dedent(codestr)}"
        co = compile(codestr, "<string>", "exec")
        # validate that we really do have a LOAD_SUPER_ATTR, only when optimized
        self.assertEqual(self._has_load_super_attr(co), optimized)
        return self._exec(co)

    def _has_load_super_attr(self, co):
        has = any(instr.opname == "LOAD_SUPER_ATTR" for instr in dis.get_instructions(co))