def list_collections(self, session=None, filter=None, **kwargs):
        """Get a cursor over the collectons of this database.

        :Parameters:
          - `session` (optional): a
            :class:`~pymongo.client_session.ClientSession`.
          - `filter` (optional):  A query document to filter the list of
            collections returned from the listCollections command.
          - `**kwargs` (optional): Optional parameters of the
            `listCollections command
            <https://docs.mongodb.com/manual/reference/command/listCollections/>`_
            can be passed as keyword arguments to this method. The supported
            options differ by server version.

        :Returns:
          An instance of :class:`~pymongo.command_cursor.CommandCursor`.

        .. versionadded:: 3.6
        """
        if filter is not None:
            kwargs['filter'] = filter
        read_pref = ((session and session._txn_read_preference())
                     or ReadPreference.PRIMARY)

        def _cmd(session, server, sock_info, slave_okay):
            return self._list_collections(
                sock_info, slave_okay, session, read_preference=read_pref,
                **kwargs)

        return self.__client._retryable_read(
            _cmd, read_pref, session)
def list_collections ( self , session = None , filter = None , ** kwargs ) : if filter is not None : kwargs [ 'filter' ] = filter read_pref = ( ( session and session . _txn_read_preference ( ) ) or ReadPreference . PRIMARY ) def _cmd ( session , server , sock_info , slave_okay ) : return self . _list_collections ( sock_info , slave_okay , session , read_preference = read_pref , ** kwargs ) return self . __client . _retryable_read ( _cmd , read_pref , session )
Get a cursor over the collectons of this database.

        :Parameters:
          - `session` (optional): a
            :class:`~pymongo.client_session.ClientSession`.
          - `filter` (optional):  A query document to filter the list of
            collections returned from the listCollections command.
          - `**kwargs` (optional): Optional parameters of the
            `listCollections command
            <https://docs.mongodb.com/manual/reference/command/listCollections/>`_
            can be passed as keyword arguments to this method. The supported
            options differ by server version.

        :Returns:
          An instance of :class:`~pymongo.command_cursor.CommandCursor`.

        .. versionadded:: 3.6