Source

wsgiserialize / wsgiserialize / wsgiserialize / xmlrpc.py

# Copyright (c) 2006 L. C. Rees.  All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1.  Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2.  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.
# 3.  Neither the name of the Portable Site Information Project 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.

from xmlrpclib import dumps

__all__ = ['WSGIXmlRpc', 'xmlrpc']

def xmlrpc(application, **kw):
    '''Decorator for XML-RPC serialization.''' 
    return WsgiXmlRpc(application, **kw)


class WsgiXmlRpc(object):

    '''WSGI middleware for serializing simple Python objects to XML-RPC.'''
    
    def __init__(self, application, **kw):
        self.application = application
        # Request or response
        self.response = kw.get('methodresponse')
        self.name = kw.get('methodname')
        self.encoding = kw.get('encoding')
        self.allownone = kw.get('allow_none', 0)

    def __call__(self, environ, start_response):
        return [dumps(tuple([self.application(environ, start_response)]),
            self.response, self.name, self.encoding, self.allownone)]
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