environment/lib/python2.7/site-packages/IPython/zmq/session.py
def feed_identities(self, msg_list, copy=True):
        """Split the identities from the rest of the message.

        Feed until DELIM is reached, then return the prefix as idents and
        remainder as msg_list. This is easily broken by setting an IDENT to DELIM,
        but that would be silly.

        Parameters
        ----------
        msg_list : a list of Message or bytes objects
            The message to be split.
        copy : bool
            flag determining whether the arguments are bytes or Messages

        Returns
        -------
        (idents, msg_list) : two lists
            idents will always be a list of bytes, each of which is a ZMQ
            identity. msg_list will be a list of bytes or zmq.Messages of the
            form [HMAC,p_header,p_parent,p_content,buffer1,buffer2,...] and
            should be unpackable/unserializable via self.unserialize at this
            point.
        """
        if copy:
            idx = msg_list.index(DELIM)
            return msg_list[:idx], msg_list[idx+1:]
        else:
            failed = True
            for idx,m in enumerate(msg_list):
                if m.bytes == DELIM:
                    failed = False
                    break
            if failed:
                raise ValueError("DELIM not in msg_list")
            idents, msg_list = msg_list[:idx], msg_list[idx+1:]
            return [m.bytes for m in idents], msg_list
def feed_identities(self, msg_list, copy=True):
        """Split the identities from the rest of the message.

        Feed until DELIM is reached, then return the prefix as idents and
        remainder as msg_list. This is easily broken by setting an IDENT to DELIM,
        but that would be silly.

        Parameters
        ----------
        msg_list : a list of Message or bytes objects
            The message to be split.
        copy : bool
            flag determining whether the arguments are bytes or Messages

        Returns
        -------
        (idents, msg_list) : two lists
            idents will always be a list of bytes, each of which is a ZMQ
            identity. msg_list will be a list of bytes or zmq.Messages of the
            form [HMAC,p_header,p_parent,p_content,buffer1,buffer2,...] and
            should be unpackable/unserializable via self.unserialize at this
            point.
        """
        if copy:
            idx = msg_list.index(DELIM)
            return msg_list[:idx], msg_list[idx+1:]
        else:
            failed = True
            for idx,m in enumerate(msg_list):
                if m.bytes == DELIM:
                    failed = False
                    break
            if failed:
                raise ValueError("DELIM not in msg_list")
            idents, msg_list = msg_list[:idx], msg_list[idx+1:]
            return [m.bytes for m in idents], msg_list
Split the identities from the rest of the message.

        Feed until DELIM is reached, then return the prefix as idents and
        remainder as msg_list. This is easily broken by setting an IDENT to DELIM,
        but that would be silly.

        Parameters
        ----------
        msg_list : a list of Message or bytes objects
            The message to be split.
        copy : bool
            flag determining whether the arguments are bytes or Messages

        Returns
        -------
        (idents, msg_list) : two lists
            idents will always be a list of bytes, each of which is a ZMQ
            identity. msg_list will be a list of bytes or zmq.Messages of the
            form [HMAC,p_header,p_parent,p_content,buffer1,buffer2,...] and
            should be unpackable/unserializable via self.unserialize at this
            point.