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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 delete_port_postcommit(self, context):
 """Delete port non-database commit event."""

        if self._is_supported_deviceowner(context.current):
            vlan_segment, vxlan_segment = self._get_segments(
                                                context.top_bound_segment,
                                                context.bottom_bound_segment)
            vni = self._port_action_vxlan(context.current, vxlan_segment,
                             self._delete_nve_member) if vxlan_segment else 0
            self._port_action_vlan(context.current, vlan_segment,
                                   self._delete_switch_entry, vni)