# Source code for ws4py.__init__

    # -*- coding: utf-8 -*-
    #
    # Redistribution and use in source and binary forms, with or without
    # modification, are permitted provided that the following conditions are
    # met:
    #
    #     * Redistributions of source code must retain the above copyright
    # notice, this list of conditions and the following disclaimer.
    #     * Redistributions in binary form must reproduce the above
    # copyright notice, this list of conditions and the following disclaimer
    # in the documentation and/or other materials provided with the
    # distribution.
    #     * Neither the name of ws4py nor the names of its
    # contributors may be used to endorse or promote products derived from
    # this software without specific prior written permission.
    #
    # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    #
    import logging
    import logging.handlers as handlers

    __author__ = "Sylvain Hellegouarch"
    __version__ = "0.5.1"
    __all__ = ['WS_KEY', 'WS_VERSION', 'configure_logger', 'format_addresses']

    WS_KEY = b"258EAFA5-E914-47DA-95CA-C5AB0DC85B11"
    WS_VERSION = (8, 13)

    def configure_logger(stdout=True, filepath=None, level=logging.INFO):
        logger = logging.getLogger('ws4py')
        logger.setLevel(level)
        logfmt = logging.Formatter("[%(asctime)s] %(levelname)s %(message)s")

        if filepath:
            h = handlers.RotatingFileHandler(filepath, maxBytes=10485760, backupCount=3)
            h.setLevel(level)
            h.setFormatter(logfmt)
            logger.addHandler(h)

        if stdout:
            import sys
            h = logging.StreamHandler(sys.stdout)
            h.setLevel(level)
            h.setFormatter(logfmt)
            logger.addHandler(h)

        return logger

    def format_addresses(ws):
        me = ws.local_address
        peer = ws.peer_address
        if isinstance(me, tuple) and isinstance(peer, tuple):
            me_ip, me_port = ws.local_address
            peer_ip, peer_port = ws.peer_address
            return "[Local => %s:%d | Remote => %s:%d]" % (me_ip, me_port, peer_ip, peer_port)

        return "[Bound to '%s']" % me