# Module `src.communicator.onlinepeers.pickonlinepeers`

Onionr - Private P2P Communication.

pick online peers in a communicator instance

Expand source code

    """
    Onionr - Private P2P Communication.

    pick online peers in a communicator instance
    """
    import secrets

    import onionrexceptions
    """
        This program is free software: you can redistribute it and/or modify
        it under the terms of the GNU General Public License as published by
        the Free Software Foundation, either version 3 of the License, or
        (at your option) any later version.

        This program is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU General Public License for more details.

        You should have received a copy of the GNU General Public License
        along with this program.  If not, see <https://www.gnu.org/licenses/>.
    """

    def pick_online_peer(comm_inst):
        """Randomly picks peer from pool without bias (using secrets module)."""
        ret_data = ''
        peer_length = len(comm_inst.onlinePeers)
        if peer_length <= 0:
            raise onionrexceptions.OnlinePeerNeeded

        while True:
            peer_length = len(comm_inst.onlinePeers)

            try:
                # Get a random online peer, securely.
                # May get stuck in loop if network is lost
                ret_data = comm_inst.onlinePeers[secrets.randbelow(peer_length)]
            except IndexError:
                pass
            else:
                break
        return ret_data

## Functions

`def pick_online_peer(comm_inst)`

  Randomly picks peer from pool without bias (using secrets module).

  Expand source code

      def pick_online_peer(comm_inst):
          """Randomly picks peer from pool without bias (using secrets module)."""
          ret_data = ''
          peer_length = len(comm_inst.onlinePeers)
          if peer_length <= 0:
              raise onionrexceptions.OnlinePeerNeeded

          while True:
              peer_length = len(comm_inst.onlinePeers)

              try:
                  # Get a random online peer, securely.
                  # May get stuck in loop if network is lost
                  ret_data = comm_inst.onlinePeers[secrets.randbelow(peer_length)]
              except IndexError:
                  pass
              else:
                  break
          return ret_data