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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _supported_baremetal_transaction(self, context):
 """Verify transaction is complete and for us."""


        port = context.current

        if self.trunk.is_trunk_subport_baremetal(port):
            return self._baremetal_set_binding(context)

        if not nexus_help.is_baremetal(port):
            return False

        if bc.portbindings.PROFILE not in port:
            return False

        profile = port[bc.portbindings.PROFILE]

        if 'local_link_information' not in profile:
            return False

        all_link_info = profile['local_link_information']

        selected = False
        for link_info in all_link_info:

            if 'port_id' not in link_info:
                return False

            switch_info = self._get_baremetal_switch_info(
                              link_info)
            if 'switch_ip' in switch_info:
                switch_ip = switch_info['switch_ip']
            else:
                return False

            if self._switch_defined(switch_ip):
                selected = True
            else:
                LOG.warning("Skip switch %s.  Not configured "
                            "in ini file" % switch_ip)

        if not selected:
            return False

        selected = self._baremetal_set_binding(context, all_link_info)
        if selected:
            self._init_baremetal_trunk_interfaces(
                context.current, context.top_bound_segment)

            if self.trunk.is_trunk_parentport(port):
                self.trunk.update_subports(port)

        return selected