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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 communicate_path(self, path):
 """Communicates `path` to this peer if it qualifies. Checks if `path` should be shared/communicated with this peer according to various conditions: like bgp state, transmit side loop, local and remote AS path, community attribute, etc. """

        LOG.debug('Peer %s asked to communicate path', self)
        if not path:
            raise ValueError('Invalid path %s given.' % path)

        # We do not send anything to peer who is not in established state.
        if not self.in_established():
            LOG.debug('Skipping sending path as peer is not in '
                      'ESTABLISHED state %s', path)
            return

        # Check if this session is available for given paths afi/safi
        path_rf = path.route_family
        if not (self.is_mpbgp_cap_valid(path_rf) or
                path_rf in [RF_IPv4_UC, RF_IPv6_UC]):
            LOG.debug('Skipping sending path as %s route family is not'
                      ' available for this session', path_rf)
            return

        # If RTC capability is available and path afi/saif is other than  RT
        # nlri
        if path_rf != RF_RTC_UC and \
                self.is_mpbgp_cap_valid(RF_RTC_UC):
            rtfilter = self._peer_manager.curr_peer_rtfilter(self)
            # If peer does not have any rtfilter or if rtfilter does not have
            # any RTs common with path RTs we do not share this path with the
            # peer
            if rtfilter and not path.has_rts_in(rtfilter):
                LOG.debug('Skipping sending path as rffilter %s and path '
                          'rts %s have no RT in common',
                          rtfilter, path.get_rts())
                return

        # Transmit side loop detection: We check if leftmost AS matches
        # peers AS, if so we do not send UPDATE message to this peer.
        as_path = path.get_pattr(BGP_ATTR_TYPE_AS_PATH)
        if as_path and as_path.has_matching_leftmost(self.remote_as):
            LOG.debug('Skipping sending path as AS_PATH has peer AS %s',
                      self.remote_as)
            return

        # If this peer is a route server client, we forward the path
        # regardless of AS PATH loop, whether the connection is iBGP or eBGP,
        # or path's communities.
        if self.is_route_server_client:
            outgoing_route = OutgoingRoute(path)
            self.enque_outgoing_msg(outgoing_route)

        if self._neigh_conf.multi_exit_disc:
            med_attr = path.get_pattr(BGP_ATTR_TYPE_MULTI_EXIT_DISC)
            if not med_attr:
                path = bgp_utils.clone_path_and_update_med_for_target_neighbor(
                    path,
                    self._neigh_conf.multi_exit_disc
                )

        # For connected/local-prefixes, we send update to all peers.
        if path.source is None:
            # Construct OutgoingRoute specific for this peer and put it in
            # its sink.
            outgoing_route = OutgoingRoute(path)
            self.enque_outgoing_msg(outgoing_route)

        # If path from a bgp-peer is new best path, we share it with
        # all bgp-peers except the source peer and other peers in his AS.
        # This is default Junos setting that in Junos can be disabled with
        # 'advertise-peer-as' setting.
        elif (self != path.source or
              self.remote_as != path.source.remote_as):
            # When BGP speaker receives an UPDATE message from an internal
            # peer, the receiving BGP speaker SHALL NOT re-distribute the
            # routing information contained in that UPDATE message to other
            # internal peers (unless the speaker acts as a BGP Route
            # Reflector) [RFC4271].
            if (self.remote_as == self._core_service.asn
                    and self.remote_as == path.source.remote_as
                    and isinstance(path.source, Peer)
                    and not path.source.is_route_reflector_client
                    and not self.is_route_reflector_client):
                LOG.debug(
                    'Skipping sending iBGP route to iBGP peer %s AS %s',
                    self.ip_address, self.remote_as)
                return

            # If new best path has community attribute, it should be taken into
            # account when sending UPDATE to peers.
            comm_attr = path.get_pattr(BGP_ATTR_TYPE_COMMUNITIES)
            if comm_attr:
                comm_attr_na = comm_attr.has_comm_attr(
                    BGPPathAttributeCommunities.NO_ADVERTISE
                )
                # If we have NO_ADVERTISE attribute present, we do not send
                # UPDATE to any peers
                if comm_attr_na:
                    LOG.debug('Path has community attr. NO_ADVERTISE = %s'
                              '. Hence not advertising to peer',
                              comm_attr_na)
                    return

                comm_attr_ne = comm_attr.has_comm_attr(
                    BGPPathAttributeCommunities.NO_EXPORT
                )
                comm_attr_nes = comm_attr.has_comm_attr(
                    BGPPathAttributeCommunities.NO_EXPORT_SUBCONFED
                )
                # If NO_EXPORT_SUBCONFED/NO_EXPORT is one of the attribute, we
                # do not advertise to eBGP peers as we do not have any
                # confederation feature at this time.
                if ((comm_attr_nes or comm_attr_ne) and
                        (self.remote_as != self._core_service.asn)):
                    LOG.debug('Skipping sending UPDATE to peer: %s as per '
                              'community attribute configuration', self)
                    return

            # Construct OutgoingRoute specific for this peer and put it in
            # its sink.
            outgoing_route = OutgoingRoute(path)
            self.enque_outgoing_msg(outgoing_route)
            LOG.debug('Enqueued outgoing route %s for peer %s',
                      outgoing_route.path.nlri, self)