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Import files from (now outdated) ZSI/wsdl directory

main
Rich Salz 22 years ago
commit
bb0c69a903
7 changed files with 2587 additions and 0 deletions
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  1. +303
    -0
      ServiceProxy.py
  2. +176
    -0
      TimeoutSocket.py
  3. +753
    -0
      Utility.py
  4. +951
    -0
      WSDLTools.py
  5. +331
    -0
      XMLSchema.py
  6. +61
    -0
      ZPL
  7. +12
    -0
      __init__.py

+ 303
- 0
ServiceProxy.py View File

@@ -0,0 +1,303 @@
# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.

from urlparse import urlparse
from ZSI import *
from ZSI.client import *
import weakref

from Utility import DOM
import WSDLTools


class SOAPCallInfo:
"""SOAPCallInfo captures the important binding information about a
SOAP operation, in a structure that is easier to work with than
raw WSDL structures."""

def __init__(self, methodName):
self.methodName = methodName
self.inheaders = []
self.outheaders = []
self.inparams = []
self.outparams = []
self.retval = None

encodingStyle = DOM.NS_SOAP_ENC
documentation = ''
soapAction = None
transport = None
namespace = None
location = None
use = 'encoded'
style = 'rpc'

def addInParameter(self, name, type, namespace=None, element_type=0):
"""Add an input parameter description to the call info."""
parameter = ParameterInfo(name, type, namespace, element_type)
self.inparams.append(parameter)
return parameter

def addOutParameter(self, name, type, namespace=None, element_type=0):
"""Add an output parameter description to the call info."""
parameter = ParameterInfo(name, type, namespace, element_type)
self.outparams.append(parameter)
return parameter

def setReturnParameter(self, name, type, namespace=None, element_type=0):
"""Set the return parameter description for the call info."""
parameter = ParameterInfo(name, type, namespace, element_type)
self.retval = parameter
return parameter

def addInHeaderInfo(self, name, type, namespace, element_type=0,
mustUnderstand=0):
"""Add an input SOAP header description to the call info."""
headerinfo = HeaderInfo(name, type, namespace, element_type)
if mustUnderstand:
headerinfo.mustUnderstand = 1
self.inheaders.append(headerinfo)
return headerinfo

def addOutHeaderInfo(self, name, type, namespace, element_type=0,
mustUnderstand=0):
"""Add an output SOAP header description to the call info."""
headerinfo = HeaderInfo(name, type, namespace, element_type)
if mustUnderstand:
headerinfo.mustUnderstand = 1
self.outheaders.append(headerinfo)
return headerinfo

def getInParameters(self):
"""Return a sequence of the in parameters of the method."""
return self.inparams

def getOutParameters(self):
"""Return a sequence of the out parameters of the method."""
return self.outparams

def getReturnParameter(self):
"""Return param info about the return value of the method."""
return self.retval

def getInHeaders(self):
"""Return a sequence of the in headers of the method."""
return self.inheaders

def getOutHeaders(self):
"""Return a sequence of the out headers of the method."""
return self.outheaders


class ParameterInfo:
"""A ParameterInfo object captures parameter binding information."""
def __init__(self, name, type, namespace=None, element_type=0):
if element_type:
self.element_type = 1
if namespace is not None:
self.namespace = namespace
self.name = name
self.type = type

element_type = 0
namespace = None
default = None


class HeaderInfo(ParameterInfo):
"""A HeaderInfo object captures SOAP header binding information."""
def __init__(self, name, type, namespace, element_type=None):
ParameterInfo.__init__(self, name, type, namespace, element_type)

mustUnderstand = 0
actor = None


def callInfoFromWSDL(port, name):
"""Return a SOAPCallInfo given a WSDL port and operation name."""
wsdl = port.getService().getWSDL()
binding = port.getBinding()
portType = binding.getPortType()
operation = portType.operations[name]
opbinding = binding.operations[name]
messages = wsdl.messages
callinfo = SOAPCallInfo(name)

addrbinding = port.getAddressBinding()
if not isinstance(addrbinding, WSDLTools.SoapAddressBinding):
raise ValueError, 'Unsupported binding type.'
callinfo.location = addrbinding.location

soapbinding = binding.findBinding(WSDLTools.SoapBinding)
if soapbinding is None:
raise ValueError, 'Missing soap:binding element.'
callinfo.transport = soapbinding.transport
callinfo.style = soapbinding.style or 'document'

soap_op_binding = opbinding.findBinding(WSDLTools.SoapOperationBinding)
if soap_op_binding is not None:
callinfo.soapAction = soap_op_binding.soapAction
callinfo.style = soap_op_binding.style or callinfo.style

parameterOrder = operation.parameterOrder

if operation.input is not None:
message = messages[operation.input.message]
msgrole = opbinding.input

mime = msgrole.findBinding(WSDLTools.MimeMultipartRelatedBinding)
if mime is not None:
raise ValueError, 'Mime bindings are not supported.'
else:
for item in msgrole.findBindings(WSDLTools.SoapHeaderBinding):
part = messages[item.message].parts[item.part]
header = callinfo.addInHeaderInfo(
part.name,
part.element or part.type,
item.namespace,
element_type = part.element and 1 or 0
)
header.encodingStyle = item.encodingStyle

body = msgrole.findBinding(WSDLTools.SoapBodyBinding)
if body is None:
raise ValueError, 'Missing soap:body binding.'
callinfo.encodingStyle = body.encodingStyle
callinfo.namespace = body.namespace
callinfo.use = body.use

if body.parts is not None:
parts = []
for name in body.parts:
parts.append(message.parts[name])
else:
parts = message.parts.values()

for part in parts:
callinfo.addInParameter(
part.name,
part.element or part.type,
element_type = part.element and 1 or 0
)

if operation.output is not None:
message = messages[operation.output.message]
msgrole = opbinding.output

mime = msgrole.findBinding(WSDLTools.MimeMultipartRelatedBinding)
if mime is not None:
raise ValueError, 'Mime bindings are not supported.'
else:
for item in msgrole.findBindings(WSDLTools.SoapHeaderBinding):
part = messages[item.message].parts[item.part]
header = callinfo.addOutHeaderInfo(
part.name,
part.element or part.type,
item.namespace,
element_type = part.element and 1 or 0
)
header.encodingStyle = item.encodingStyle

body = msgrole.findBinding(WSDLTools.SoapBodyBinding)
if body is None:
raise ValueError, 'Missing soap:body binding.'
callinfo.encodingStyle = body.encodingStyle
callinfo.namespace = body.namespace
callinfo.use = body.use

if body.parts is not None:
parts = []
for name in body.parts:
parts.append(message.parts[name])
else:
parts = message.parts.values()

if parts:
callinfo.setReturnParameter(
parts[0].name,
parts[0].element or parts[0].type,
element_type = parts[0].element and 1 or 0
)
for part in parts[1:]:
callinfo.addOutParameter(
part.name,
part.element or part.type,
element_type = part.element and 1 or 0
)

return callinfo


class ServiceProxy:
"""A ServiceProxy provides a convenient way to call a remote web
service that is described with WSDL. The proxy exposes methods
that reflect the methods of the remote web service."""

def __init__(self, wsdl, service=None, port=None, tracefile=None,
typesmodule=None, nsdict=None):
if not hasattr(wsdl, 'targetNamespace'):
wsdl = WSDLTools.WSDLReader().loadFromURL(wsdl)
# for item in wsdl.types.items():
# self._serializer.loadSchema(item)
self._service = wsdl.services[service or 0]
self.__doc__ = self._service.documentation
self._port = self._service.ports[port or 0]
self._name = self._service.name
self._wsdl = wsdl
self._tracefile = tracefile
self._typesmodule = typesmodule
self._nsdict = nsdict
binding = self._port.getBinding()
portType = binding.getPortType()
for item in portType.operations:
callinfo = callInfoFromWSDL(self._port, item.name)
method = MethodProxy(self, callinfo)
setattr(self, item.name, method)

def _call(self, name, *args, **kwargs):
"""Call the named remote web service method."""
if len(args) and len(kwargs):
raise TypeError(
'Use positional or keyword argument only.'
)

callinfo = getattr(self, name).callinfo
url = callinfo.location
(protocol, host, uri, query, fragment, identifier) = urlparse(url)
port = 80
if host.find(':') >= 0:
host, port = host.split(':')

params = callinfo.getInParameters()
host = str(host)
port = str(port)

binding = Binding(host=host, tracefile=self._tracefile,
ssl=(protocol == 'https'),
port=port, url=uri, typesmodule=self._typesmodule,
nsdict=self._nsdict)

apply(getattr(binding, callinfo.methodName), args)


#print binding.ReceiveRaw()

return binding.Receive()


class MethodProxy:
""" """
def __init__(self, parent, callinfo):
self.__name__ = callinfo.methodName
self.__doc__ = callinfo.documentation
self.callinfo = callinfo
self.parent = weakref.ref(parent)

def __call__(self, *args, **kwargs):
return self.parent()._call(self.__name__, *args, **kwargs)

+ 176
- 0
TimeoutSocket.py View File

@@ -0,0 +1,176 @@
"""Based on code from timeout_socket.py, with some tweaks for compatibility.
These tweaks should really be rolled back into timeout_socket, but it's
not totally clear who is maintaining it at this point. In the meantime,
we'll use a different module name for our tweaked version to avoid any
confusion.

The original timeout_socket is by:

Scott Cotton <scott@chronis.pobox.com>
Lloyd Zusman <ljz@asfast.com>
Phil Mayes <pmayes@olivebr.com>
Piers Lauder <piers@cs.su.oz.au>
Radovan Garabik <garabik@melkor.dnp.fmph.uniba.sk>
"""
import string, socket, select, errno

WSAEINVAL = getattr(errno, 'WSAEINVAL', 10022)


class TimeoutSocket:
"""A socket imposter that supports timeout limits."""

def __init__(self, timeout=20, sock=None):
self.timeout = float(timeout)
self.inbuf = ''
if sock is None:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sock = sock
self.sock.setblocking(0)
self._rbuf = ''
self._wbuf = ''

def __getattr__(self, name):
# Delegate to real socket attributes.
return getattr(self.sock, name)

def connect(self, *addr):
timeout = self.timeout
sock = self.sock
try:
# Non-blocking mode
sock.setblocking(0)
apply(sock.connect, addr)
sock.setblocking(timeout != 0)
return 1
except socket.error,why:
if not timeout:
raise
sock.setblocking(1)
if len(why.args) == 1:
code = 0
else:
code, why = why
if code not in (
errno.EINPROGRESS, errno.EALREADY, errno.EWOULDBLOCK
):
raise
r,w,e = select.select([],[sock],[],timeout)
if w:
try:
apply(sock.connect, addr)
return 1
except socket.error,why:
if len(why.args) == 1:
code = 0
else:
code, why = why
if code in (errno.EISCONN, WSAEINVAL):
return 1
raise
raise TimeoutError('socket connect() timeout.')

def send(self, data, flags=0):
total = len(data)
next = 0
while 1:
r, w, e = select.select([],[self.sock], [], self.timeout)
if w:
buff = data[next:next + 8192]
sent = self.sock.send(buff, flags)
next = next + sent
if next == total:
return total
continue
raise TimeoutError('socket send() timeout.')

def recv(self, amt, flags=0):
if select.select([self.sock], [], [], self.timeout)[0]:
return self.sock.recv(amt, flags)
raise TimeoutError('socket recv() timeout.')

buffsize = 4096
handles = 1

def makefile(self, mode="r", buffsize=-1):
self.handles = self.handles + 1
self.mode = mode
return self

def close(self):
self.handles = self.handles - 1
if self.handles == 0 and self.sock.fileno() >= 0:
self.sock.close()

def read(self, n=-1):
if not isinstance(n, type(1)):
n = -1
if n >= 0:
k = len(self._rbuf)
if n <= k:
data = self._rbuf[:n]
self._rbuf = self._rbuf[n:]
return data
n = n - k
L = [self._rbuf]
self._rbuf = ""
while n > 0:
new = self.recv(max(n, self.buffsize))
if not new: break
k = len(new)
if k > n:
L.append(new[:n])
self._rbuf = new[n:]
break
L.append(new)
n = n - k
return "".join(L)
k = max(4096, self.buffsize)
L = [self._rbuf]
self._rbuf = ""
while 1:
new = self.recv(k)
if not new: break
L.append(new)
k = min(k*2, 1024**2)
return "".join(L)

def readline(self, limit=-1):
data = ""
i = self._rbuf.find('\n')
while i < 0 and not (0 < limit <= len(self._rbuf)):
new = self.recv(self.buffsize)
if not new: break
i = new.find('\n')
if i >= 0: i = i + len(self._rbuf)
self._rbuf = self._rbuf + new
if i < 0: i = len(self._rbuf)
else: i = i+1
if 0 <= limit < len(self._rbuf): i = limit
data, self._rbuf = self._rbuf[:i], self._rbuf[i:]
return data

def readlines(self, sizehint = 0):
total = 0
list = []
while 1:
line = self.readline()
if not line: break
list.append(line)
total += len(line)
if sizehint and total >= sizehint:
break
return list

def writelines(self, list):
self.send(''.join(list))

def write(self, data):
self.send(data)

def flush(self):
pass


class TimeoutError(Exception):
pass

+ 753
- 0
Utility.py View File

@@ -0,0 +1,753 @@
# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.

from string import join, strip, split
from UserDict import UserDict
from StringIO import StringIO
import xml.dom.minidom, weakref

import string, httplib, smtplib, urllib, socket
from TimeoutSocket import TimeoutSocket, TimeoutError
from StringIO import StringIO
from urlparse import urlparse
from httplib import HTTPConnection, HTTPSConnection

class HTTPResponse:
"""Captures the information in an HTTP response message."""

def __init__(self, response):
self.status = response.status
self.reason = response.reason
self.headers = response.msg
self.body = response.read() or None
response.close()

class TimeoutHTTP(HTTPConnection):
"""A custom http connection object that supports socket timeout."""
def __init__(self, host, port=None, timeout=20):
HTTPConnection.__init__(self, host, port)
self.timeout = timeout

def connect(self):
self.sock = TimeoutSocket(self.timeout)
self.sock.connect((self.host, self.port))


class TimeoutHTTPS(HTTPSConnection):
"""A custom https object that supports socket timeout. Note that this
is not really complete. The builtin SSL support in the Python socket
module requires a real socket (type) to be passed in to be hooked to
SSL. That means our fake socket won't work and our timeout hacks are
bypassed for send and recv calls. Since our hack _is_ in place at
connect() time, it should at least provide some timeout protection."""
def __init__(self, host, port=None, timeout=20, **kwargs):
if not hasattr(socket, 'ssl'):
raise ValueError(
'This Python installation does not have SSL support.'
)
HTTPSConnection.__init__(self, str(host), port, **kwargs)
self.timeout = timeout

def connect(self):
sock = TimeoutSocket(self.timeout)
sock.connect((self.host, self.port))
realsock = getattr(sock.sock, '_sock', sock.sock)
ssl = socket.ssl(realsock, self.key_file, self.cert_file)
self.sock = httplib.FakeSocket(sock, ssl)

def urlopen(url, timeout=20, redirects=None):
"""A minimal urlopen replacement hack that supports timeouts for http.
Note that this supports GET only."""
scheme, host, path, params, query, frag = urlparse(url)
if not scheme in ('http', 'https'):
return urllib.urlopen(url)
if params: path = '%s;%s' % (path, params)
if query: path = '%s?%s' % (path, query)
if frag: path = '%s#%s' % (path, frag)

if scheme == 'https':
if not hasattr(socket, 'ssl'):
raise ValueError(
'This Python installation does not have SSL support.'
)
conn = TimeoutHTTPS(host, None, timeout)
else:
conn = TimeoutHTTP(host, None, timeout)

conn.putrequest('GET', path)
conn.putheader('Connection', 'close')
conn.endheaders()
response = None
while 1:
response = conn.getresponse()
if response.status != 100:
break
conn._HTTPConnection__state = httplib._CS_REQ_SENT
conn._HTTPConnection__response = None

status = response.status

# If we get an HTTP redirect, we will follow it automatically.
if status >= 300 and status < 400:
location = response.msg.getheader('location')
if location is not None:
response.close()
if redirects is not None and redirects.has_key(location):
raise RecursionError(
'Circular HTTP redirection detected.'
)
if redirects is None:
redirects = {}
redirects[location] = 1
return urlopen(location, timeout, redirects)
raise HTTPResponse(response)

if not (status >= 200 and status < 300):
raise HTTPResponse(response)

body = StringIO(response.read())
response.close()
return body

class DOM:
"""The DOM singleton defines a number of XML related constants and
provides a number of utility methods for DOM related tasks. It
also provides some basic abstractions so that the rest of the
package need not care about actual DOM implementation in use."""

# Namespace stuff related to the SOAP specification.

NS_SOAP_ENV_1_1 = 'http://schemas.xmlsoap.org/soap/envelope/'
NS_SOAP_ENC_1_1 = 'http://schemas.xmlsoap.org/soap/encoding/'

NS_SOAP_ENV_1_2 = 'http://www.w3.org/2001/06/soap-envelope'
NS_SOAP_ENC_1_2 = 'http://www.w3.org/2001/06/soap-encoding'

NS_SOAP_ENV_ALL = (NS_SOAP_ENV_1_1, NS_SOAP_ENV_1_2)
NS_SOAP_ENC_ALL = (NS_SOAP_ENC_1_1, NS_SOAP_ENC_1_2)

NS_SOAP_ENV = NS_SOAP_ENV_1_1
NS_SOAP_ENC = NS_SOAP_ENC_1_1

_soap_uri_mapping = {
NS_SOAP_ENV_1_1 : '1.1',
NS_SOAP_ENV_1_2 : '1.2',
}

SOAP_ACTOR_NEXT_1_1 = 'http://schemas.xmlsoap.org/soap/actor/next'
SOAP_ACTOR_NEXT_1_2 = 'http://www.w3.org/2001/06/soap-envelope/actor/next'
SOAP_ACTOR_NEXT_ALL = (SOAP_ACTOR_NEXT_1_1, SOAP_ACTOR_NEXT_1_2)
def SOAPUriToVersion(self, uri):
"""Return the SOAP version related to an envelope uri."""
value = self._soap_uri_mapping.get(uri)
if value is not None:
return value
raise ValueError(
'Unsupported SOAP envelope uri: %s' % uri
)

def GetSOAPEnvUri(self, version):
"""Return the appropriate SOAP envelope uri for a given
human-friendly SOAP version string (e.g. '1.1')."""
attrname = 'NS_SOAP_ENV_%s' % join(split(version, '.'), '_')
value = getattr(self, attrname, None)
if value is not None:
return value
raise ValueError(
'Unsupported SOAP version: %s' % version
)

def GetSOAPEncUri(self, version):
"""Return the appropriate SOAP encoding uri for a given
human-friendly SOAP version string (e.g. '1.1')."""
attrname = 'NS_SOAP_ENC_%s' % join(split(version, '.'), '_')
value = getattr(self, attrname, None)
if value is not None:
return value
raise ValueError(
'Unsupported SOAP version: %s' % version
)

def GetSOAPActorNextUri(self, version):
"""Return the right special next-actor uri for a given
human-friendly SOAP version string (e.g. '1.1')."""
attrname = 'SOAP_ACTOR_NEXT_%s' % join(split(version, '.'), '_')
value = getattr(self, attrname, None)
if value is not None:
return value
raise ValueError(
'Unsupported SOAP version: %s' % version
)


# Namespace stuff related to XML Schema.

NS_XSD_99 = 'http://www.w3.org/1999/XMLSchema'
NS_XSI_99 = 'http://www.w3.org/1999/XMLSchema-instance'

NS_XSD_00 = 'http://www.w3.org/2000/10/XMLSchema'
NS_XSI_00 = 'http://www.w3.org/2000/10/XMLSchema-instance'

NS_XSD_01 = 'http://www.w3.org/2001/XMLSchema'
NS_XSI_01 = 'http://www.w3.org/2001/XMLSchema-instance'

NS_XSD_ALL = (NS_XSD_99, NS_XSD_00, NS_XSD_01)
NS_XSI_ALL = (NS_XSI_99, NS_XSI_00, NS_XSI_01)

NS_XSD = NS_XSD_01
NS_XSI = NS_XSI_01

_xsd_uri_mapping = {
NS_XSD_99 : NS_XSI_99,
NS_XSD_00 : NS_XSI_00,
NS_XSD_01 : NS_XSI_01,
}

for key, value in _xsd_uri_mapping.items():
_xsd_uri_mapping[value] = key


def InstanceUriForSchemaUri(self, uri):
"""Return the appropriate matching XML Schema instance uri for
the given XML Schema namespace uri."""
return self._xsd_uri_mapping.get(uri)

def SchemaUriForInstanceUri(self, uri):
"""Return the appropriate matching XML Schema namespace uri for
the given XML Schema instance namespace uri."""
return self._xsd_uri_mapping.get(uri)


# Namespace stuff related to WSDL.

NS_WSDL_1_1 = 'http://schemas.xmlsoap.org/wsdl/'
NS_WSDL_ALL = (NS_WSDL_1_1,)
NS_WSDL = NS_WSDL_1_1

NS_SOAP_BINDING_1_1 = 'http://schemas.xmlsoap.org/wsdl/soap/'
NS_HTTP_BINDING_1_1 = 'http://schemas.xmlsoap.org/wsdl/http/'
NS_MIME_BINDING_1_1 = 'http://schemas.xmlsoap.org/wsdl/mime/'

NS_SOAP_BINDING_ALL = (NS_SOAP_BINDING_1_1,)
NS_HTTP_BINDING_ALL = (NS_HTTP_BINDING_1_1,)
NS_MIME_BINDING_ALL = (NS_MIME_BINDING_1_1,)

NS_SOAP_BINDING = NS_SOAP_BINDING_1_1
NS_HTTP_BINDING = NS_HTTP_BINDING_1_1
NS_MIME_BINDING = NS_MIME_BINDING_1_1

NS_SOAP_HTTP_1_1 = 'http://schemas.xmlsoap.org/soap/http'
NS_SOAP_HTTP_ALL = (NS_SOAP_HTTP_1_1,)
NS_SOAP_HTTP = NS_SOAP_HTTP_1_1

_wsdl_uri_mapping = {
NS_WSDL_1_1 : '1.1',
}
def WSDLUriToVersion(self, uri):
"""Return the WSDL version related to a WSDL namespace uri."""
value = self._wsdl_uri_mapping.get(uri)
if value is not None:
return value
raise ValueError(
'Unsupported SOAP envelope uri: %s' % uri
)

def GetWSDLUri(self, version):
attr = 'NS_WSDL_%s' % join(split(version, '.'), '_')
value = getattr(self, attr, None)
if value is not None:
return value
raise ValueError(
'Unsupported WSDL version: %s' % version
)

def GetWSDLSoapBindingUri(self, version):
attr = 'NS_SOAP_BINDING_%s' % join(split(version, '.'), '_')
value = getattr(self, attr, None)
if value is not None:
return value
raise ValueError(
'Unsupported WSDL version: %s' % version
)

def GetWSDLHttpBindingUri(self, version):
attr = 'NS_HTTP_BINDING_%s' % join(split(version, '.'), '_')
value = getattr(self, attr, None)
if value is not None:
return value
raise ValueError(
'Unsupported WSDL version: %s' % version
)

def GetWSDLMimeBindingUri(self, version):
attr = 'NS_MIME_BINDING_%s' % join(split(version, '.'), '_')
value = getattr(self, attr, None)
if value is not None:
return value
raise ValueError(
'Unsupported WSDL version: %s' % version
)

def GetWSDLHttpTransportUri(self, version):
attr = 'NS_SOAP_HTTP_%s' % join(split(version, '.'), '_')
value = getattr(self, attr, None)
if value is not None:
return value
raise ValueError(
'Unsupported WSDL version: %s' % version
)


# Other xml namespace constants.
NS_XMLNS = 'http://www.w3.org/2000/xmlns/'



def isElement(self, node, name, nsuri=None):
"""Return true if the given node is an element with the given
name and optional namespace uri."""
if node.nodeType == node.ELEMENT_NODE:
return 0
return node.localName == name and \
(nsuri is None or self.nsUriMatch(node.namespaceURI, nsuri))

def getElement(self, node, name, nsuri=None, default=join):
"""Return the first child of node with a matching name and
namespace uri, or the default if one is provided."""
nsmatch = self.nsUriMatch
ELEMENT_NODE = node.ELEMENT_NODE
for child in node.childNodes:
if child.nodeType == ELEMENT_NODE:
if ((child.localName == name or name is None) and
(nsuri is None or nsmatch(child.namespaceURI, nsuri))
):
return child
if default is not join:
return default
raise KeyError, name

def getElementById(self, node, id, default=join):
"""Return the first child of node matching an id reference."""
attrget = self.getAttr
ELEMENT_NODE = node.ELEMENT_NODE
for child in node.childNodes:
if child.nodeType == ELEMENT_NODE:
if attrget(child, 'id') == id:
return child
if default is not join:
return default
raise KeyError, name

def getMappingById(self, document, depth=None, element=None,
mapping=None, level=1):
"""Create an id -> element mapping of those elements within a
document that define an id attribute. The depth of the search
may be controlled by using the (1-based) depth argument."""
if document is not None:
element = document.documentElement
mapping = {}
attr = element._attrs.get('id', None)
if attr is not None:
mapping[attr.value] = element
if depth is None or depth > level:
level = level + 1
ELEMENT_NODE = element.ELEMENT_NODE
for child in element.childNodes:
if child.nodeType == ELEMENT_NODE:
self.getMappingById(None, depth, child, mapping, level)
return mapping

def getElements(self, node, name, nsuri=None):
"""Return a sequence of the child elements of the given node that
match the given name and optional namespace uri."""
nsmatch = self.nsUriMatch
result = []
ELEMENT_NODE = node.ELEMENT_NODE
for child in node.childNodes:
if child.nodeType == ELEMENT_NODE:
if ((child.localName == name or name is None) and (
(nsuri is None) or nsmatch(child.namespaceURI, nsuri))):
result.append(child)
return result

def hasAttr(self, node, name, nsuri=None):
"""Return true if element has attribute with the given name and
optional nsuri. If nsuri is not specified, returns true if an
attribute exists with the given name with any namespace."""
if nsuri is None:
if node._attrs.has_key(name):
return 1
for item in node._attrsNS.keys():
if item[1] == name:
return 1
return 0
return node.attrsNS.has_key((nsuri, name))

def getAttr(self, node, name, nsuri=None, default=join):
"""Return the value of the attribute named 'name' with the
optional nsuri, or the default if one is specified. If
nsuri is not specified, an attribute that matches the
given name will be returned regardless of namespace."""
if nsuri is None:
result = node._attrs.get(name, None)
if result is None:
for item in node._attrsNS.keys():
if item[1] == name:
result = node._attrsNS[item]
break
else:
result = node._attrsNS.get((nsuri, name), None)
if result is not None:
return result.value
if default is not join:
return default
return ''

def getElementText(self, node, preserve_ws=None):
"""Return the text value of an xml element node. Leading and trailing
whitespace is stripped from the value unless the preserve_ws flag
is passed with a true value."""
result = []
for child in node.childNodes:
nodetype = child.nodeType
if nodetype == child.TEXT_NODE or \
nodetype == child.CDATA_SECTION_NODE:
result.append(child.nodeValue)
value = join(result, '')
if preserve_ws is None:
value = strip(value)
return value

def findNamespaceURI(self, prefix, node):
"""Find a namespace uri given a prefix and a context node."""
attrkey = (self.NS_XMLNS, prefix)
DOCUMENT_NODE = node.DOCUMENT_NODE
ELEMENT_NODE = node.ELEMENT_NODE
while 1:
if node.nodeType != ELEMENT_NODE:
node = node.parentNode
continue
result = node._attrsNS.get(attrkey, None)
if result is not None:
return result.value
if hasattr(node, '__imported__'):
raise DOMException('Value for prefix %s not found.' % prefix)
node = node.parentNode
if node.nodeType == DOCUMENT_NODE:
raise DOMException('Value for prefix %s not found.' % prefix)

def findDefaultNS(self, node):
"""Return the current default namespace uri for the given node."""
attrkey = (self.NS_XMLNS, 'xmlns')
DOCUMENT_NODE = node.DOCUMENT_NODE
ELEMENT_NODE = node.ELEMENT_NODE
while 1:
if node.nodeType != ELEMENT_NODE:
node = node.parentNode
continue
result = node._attrsNS.get(attrkey, None)
if result is not None:
return result.value
if hasattr(node, '__imported__'):
raise DOMException('Cannot determine default namespace.')
node = node.parentNode
if node.nodeType == DOCUMENT_NODE:
raise DOMException('Cannot determine default namespace.')

def findTargetNS(self, node):
"""Return the defined target namespace uri for the given node."""
attrget = self.getAttr
attrkey = (self.NS_XMLNS, 'xmlns')
DOCUMENT_NODE = node.DOCUMENT_NODE
ELEMENT_NODE = node.ELEMENT_NODE
while 1:
if node.nodeType != ELEMENT_NODE:
node = node.parentNode
continue
result = attrget(node, 'targetNamespace', default=None)
if result is not None:
return result
node = node.parentNode
if node.nodeType == DOCUMENT_NODE:
raise DOMException('Cannot determine target namespace.')

def getTypeRef(self, element):
"""Return (namespaceURI, name) for a type attribue of the given
element, or None if the element does not have a type attribute."""
typeattr = self.getAttr(element, 'type', default=None)
if typeattr is None:
return None
parts = typeattr.split(':', 1)
if len(parts) == 2:
nsuri = self.findNamespaceURI(parts[0], element)
else:
nsuri = self.findDefaultNS(element)
return (nsuri, parts[1])

def importNode(self, document, node, deep=0):
"""Implements (well enough for our purposes) DOM node import."""
nodetype = node.nodeType
if nodetype in (node.DOCUMENT_NODE, node.DOCUMENT_TYPE_NODE):
raise DOMException('Illegal node type for importNode')
if nodetype == node.ENTITY_REFERENCE_NODE:
deep = 0
clone = node.cloneNode(deep)
self._setOwnerDoc(document, clone)
clone.__imported__ = 1
return clone

def _setOwnerDoc(self, document, node):
node.ownerDocument = document
for child in node.childNodes:
self._setOwnerDoc(document, child)

def nsUriMatch(self, value, wanted, strict=0, tt=type(())):
"""Return a true value if two namespace uri values match."""
if value == wanted or (type(wanted) is tt) and value in wanted:
return 1
if not strict:
wanted = type(wanted) is tt and wanted or (wanted,)
value = value[-1:] != '/' and value or value[:-1]
for item in wanted:
if item == value or item[:-1] == value:
return 1
return 0

def createDocument(self, nsuri, qname, doctype=None):
"""Create a new writable DOM document object."""
impl = xml.dom.minidom.getDOMImplementation()
return impl.createDocument(nsuri, qname, doctype)

def loadDocument(self, data):
"""Load an xml file from a file-like object and return a DOM
document instance."""
return xml.dom.minidom.parse(data)

def loadFromURL(self, url):
"""Load an xml file from a URL and return a DOM document."""
file = urlopen(url)
try: result = self.loadDocument(file)
finally: file.close()
return result


class DOMException(Exception):
pass

DOM = DOM()


class Collection(UserDict):
"""Helper class for maintaining ordered named collections."""
def __init__(self, parent):
UserDict.__init__(self)
self.parent = weakref.ref(parent)
self.list = []

def __getitem__(self, key):
if type(key) is type(1):
return self.list[key]
return self.data[key]

def __setitem__(self, key, item):
item.parent = weakref.ref(self)
self.list.append(item)
self.data[key] = item

def keys(self):
return map(lambda i: i.name, self.list)

def items(self):
return map(lambda i: (i.name, i), self.list)

def values(self):
return self.list



# This is a runtime guerilla patch for pulldom (used by minidom) so
# that xml namespace declaration attributes are not lost in parsing.
# We need them to do correct QName linking for XML Schema and WSDL.
# The patch has been submitted to SF for the next Python version.

from xml.dom.pulldom import PullDOM, START_ELEMENT
if 1:
def startPrefixMapping(self, prefix, uri):
if not hasattr(self, '_xmlns_attrs'):
self._xmlns_attrs = []
self._xmlns_attrs.append((prefix or 'xmlns', uri))
self._ns_contexts.append(self._current_context.copy())
self._current_context[uri] = prefix or ''

PullDOM.startPrefixMapping = startPrefixMapping

def startElementNS(self, name, tagName , attrs):
# Retrieve xml namespace declaration attributes.
xmlns_uri = 'http://www.w3.org/2000/xmlns/'
xmlns_attrs = getattr(self, '_xmlns_attrs', None)
if xmlns_attrs is not None:
for aname, value in xmlns_attrs:
attrs._attrs[(xmlns_uri, aname)] = value
self._xmlns_attrs = []
uri, localname = name
if uri:
# When using namespaces, the reader may or may not
# provide us with the original name. If not, create
# *a* valid tagName from the current context.
if tagName is None:
prefix = self._current_context[uri]
if prefix:
tagName = prefix + ":" + localname
else:
tagName = localname
if self.document:
node = self.document.createElementNS(uri, tagName)
else:
node = self.buildDocument(uri, tagName)
else:
# When the tagname is not prefixed, it just appears as
# localname
if self.document:
node = self.document.createElement(localname)
else:
node = self.buildDocument(None, localname)

for aname,value in attrs.items():
a_uri, a_localname = aname
if a_uri == xmlns_uri:
if a_localname == 'xmlns':
qname = a_localname
else:
qname = 'xmlns:' + a_localname
attr = self.document.createAttributeNS(a_uri, qname)
node.setAttributeNodeNS(attr)
elif a_uri:
prefix = self._current_context[a_uri]
if prefix:
qname = prefix + ":" + a_localname
else:
qname = a_localname
attr = self.document.createAttributeNS(a_uri, qname)
node.setAttributeNodeNS(attr)
else:
attr = self.document.createAttribute(a_localname)
node.setAttributeNode(attr)
attr.value = value

self.lastEvent[1] = [(START_ELEMENT, node), None]
self.lastEvent = self.lastEvent[1]
self.push(node)

PullDOM.startElementNS = startElementNS

#
# This is a runtime guerilla patch for minidom so
# that xmlns prefixed attributes dont raise AttributeErrors
# during cloning.
#
# Namespace declarations can appear in any start-tag, must look for xmlns
# prefixed attribute names during cloning.
#
# key (attr.namespaceURI, tag)
# ('http://www.w3.org/2000/xmlns/', u'xsd') <xml.dom.minidom.Attr instance at 0x82227c4>
# ('http://www.w3.org/2000/xmlns/', 'xmlns') <xml.dom.minidom.Attr instance at 0x8414b3c>
#
# xml.dom.minidom.Attr.nodeName = xmlns:xsd
# xml.dom.minidom.Attr.value = = http://www.w3.org/2001/XMLSchema

if 1:
def _clone_node(node, deep, newOwnerDocument):
"""
Clone a node and give it the new owner document.
Called by Node.cloneNode and Document.importNode
"""
if node.ownerDocument.isSameNode(newOwnerDocument):
operation = xml.dom.UserDataHandler.NODE_CLONED
else:
operation = xml.dom.UserDataHandler.NODE_IMPORTED
if node.nodeType == xml.dom.minidom.Node.ELEMENT_NODE:
clone = newOwnerDocument.createElementNS(node.namespaceURI,
node.nodeName)
for attr in node.attributes.values():
clone.setAttributeNS(attr.namespaceURI, attr.nodeName, attr.value)

prefix, tag = xml.dom.minidom._nssplit(attr.nodeName)
if prefix == 'xmlns':
a = clone.getAttributeNodeNS(attr.namespaceURI, tag)
else:
a = clone.getAttributeNodeNS(attr.namespaceURI, attr.nodeName)
a.specified = attr.specified

if deep:
for child in node.childNodes:
c = xml.dom.minidom._clone_node(child, deep, newOwnerDocument)
clone.appendChild(c)
elif node.nodeType == xml.dom.minidom.Node.DOCUMENT_FRAGMENT_NODE:
clone = newOwnerDocument.createDocumentFragment()
if deep:
for child in node.childNodes:
c = xml.dom.minidom._clone_node(child, deep, newOwnerDocument)
clone.appendChild(c)

elif node.nodeType == xml.dom.minidom.Node.TEXT_NODE:
clone = newOwnerDocument.createTextNode(node.data)
elif node.nodeType == xml.dom.minidom.Node.CDATA_SECTION_NODE:
clone = newOwnerDocument.createCDATASection(node.data)
elif node.nodeType == xml.dom.minidom.Node.PROCESSING_INSTRUCTION_NODE:
clone = newOwnerDocument.createProcessingInstruction(node.target,
node.data)
elif node.nodeType == xml.dom.minidom.Node.COMMENT_NODE:
clone = newOwnerDocument.createComment(node.data)
elif node.nodeType == xml.dom.minidom.Node.ATTRIBUTE_NODE:
clone = newOwnerDocument.createAttributeNS(node.namespaceURI,
node.nodeName)
clone.specified = True
clone.value = node.value
elif node.nodeType == xml.dom.minidom.Node.DOCUMENT_TYPE_NODE:
assert node.ownerDocument is not newOwnerDocument
operation = xml.dom.UserDataHandler.NODE_IMPORTED
clone = newOwnerDocument.implementation.createDocumentType(
node.name, node.publicId, node.systemId)
clone.ownerDocument = newOwnerDocument
if deep:
clone.entities._seq = []
clone.notations._seq = []
for n in node.notations._seq:
notation = Notation(n.nodeName, n.publicId, n.systemId)
notation.ownerDocument = newOwnerDocument
clone.notations._seq.append(notation)
if hasattr(n, '_call_user_data_handler'):
n._call_user_data_handler(operation, n, notation)
for e in node.entities._seq:
entity = Entity(e.nodeName, e.publicId, e.systemId,
e.notationName)
entity.actualEncoding = e.actualEncoding
entity.encoding = e.encoding
entity.version = e.version
entity.ownerDocument = newOwnerDocument
clone.entities._seq.append(entity)
if hasattr(e, '_call_user_data_handler'):
e._call_user_data_handler(operation, n, entity)
else:
# Note the cloning of Document and DocumentType nodes is
# implemenetation specific. minidom handles those cases
# directly in the cloneNode() methods.
raise xml.dom.NotSupportedErr("Cannot clone node %s" % repr(node))

# Check for _call_user_data_handler() since this could conceivably
# used with other DOM implementations (one of the FourThought
# DOMs, perhaps?).
if hasattr(node, '_call_user_data_handler'):
node._call_user_data_handler(operation, node, clone)
return clone

xml.dom.minidom._clone_node = _clone_node

+ 951
- 0
WSDLTools.py View File

@@ -0,0 +1,951 @@
# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.

from Utility import DOM, Collection
from XMLSchema import XMLSchema
from StringIO import StringIO
import urllib


class WSDLReader:
"""A WSDLReader creates WSDL instances from urls and xml data."""

# Custom subclasses of WSDLReader may wish to implement a caching
# strategy or other optimizations. Because application needs vary
# so widely, we don't try to provide any caching by default.

def loadFromStream(self, file):
"""Return a WSDL instance loaded from a file object."""
document = DOM.loadDocument(file)
wsdl = WSDL()
wsdl.load(document)
return wsdl

def loadFromURL(self, url):
"""Return a WSDL instance loaded from the given url."""
document = DOM.loadFromURL(url)
wsdl = WSDL()
wsdl.location = url
wsdl.load(document)
return wsdl

def loadFromString(self, data):
"""Return a WSDL instance loaded from an xml string."""
return self.loadFromStream(StringIO(data))

def loadFromFile(self, filename):
"""Return a WSDL instance loaded from the given file."""
file = open(filename, 'rb')
try:
wsdl = self.loadFromStream(file)
finally:
file.close()
return wsdl

class WSDL:
"""A WSDL object models a WSDL service description. WSDL objects
may be created manually or loaded from an xml representation
using a WSDLReader instance."""

def __init__(self, targetNamespace=None):
self.targetNamespace = targetNamespace or 'urn:this-document.wsdl'
self.documentation = ''
self.location = None
self.document = None
self.name = None
self.services = Collection(self)
self.messages = Collection(self)
self.portTypes = Collection(self)
self.bindings = Collection(self)
self.imports = Collection(self)
self.types = Types(self)
self.extensions = []

def __del__(self):
if self.document is not None:
self.document.unlink()
self.document = None

version = '1.1'

def addService(self, name, documentation=''):
if self.services.has_key(name):
raise WSDLError(
'Duplicate service element: %s' % name
)
item = Service(name, documentation)
self.services[name] = item
return item

def addMessage(self, name, documentation=''):
if self.messages.has_key(name):
raise WSDLError(
'Duplicate message element: %s.' % name
)
item = Message(name, documentation)
self.messages[name] = item
return item

def addPortType(self, name, documentation=''):
if self.portTypes.has_key(name):
raise WSDLError(
'Duplicate portType element: name'
)
item = PortType(name, documentation)
self.portTypes[name] = item
return item

def addBinding(self, name, type, documentation=''):
if self.bindings.has_key(name):
raise WSDLError(
'Duplicate binding element: %s' % name
)
item = Binding(name, type, documentation)
self.bindings[name] = item
return item

def addImport(self, namespace, location):
item = ImportElement(namespace, location)
self.imports[namespace] = item
return item

def load(self, document):
# We save a reference to the DOM document to ensure that elements
# saved as "extensions" will continue to have a meaningful context
# for things like namespace references. The lifetime of the DOM
# document is bound to the lifetime of the WSDL instance.
self.document = document

definitions = DOM.getElement(document, 'definitions', None, None)
if definitions is None:
raise WSDLError(
'Missing <definitions> element.'
)
self.version = DOM.WSDLUriToVersion(definitions.namespaceURI)
NS_WSDL = DOM.GetWSDLUri(self.version)

self.targetNamespace = DOM.getAttr(definitions, 'targetNamespace',
None, None)
self.name = DOM.getAttr(definitions, 'name', None, None)
self.documentation = GetDocumentation(definitions)

# Resolve (recursively) any import elements in the document.
imported = {}
while 1:
imports = []
for element in DOM.getElements(definitions, 'import', NS_WSDL):
location = DOM.getAttr(element, 'location')
if not imported.has_key(location):
imports.append(element)
if not imports:
break
for element in imports:
self._import(document, element)
location = DOM.getAttr(element, 'location')
imported[location] = 1

for element in DOM.getElements(definitions, None, None):
localName = element.localName

if not DOM.nsUriMatch(element.namespaceURI, NS_WSDL):
if localName == 'schema':
self.types.addSchema(XMLSchema(element))
else:
self.extensions.append(element)
continue

elif localName == 'message':
name = DOM.getAttr(element, 'name')
docs = GetDocumentation(element)
message = self.addMessage(name, docs)
parts = DOM.getElements(element, 'part', NS_WSDL)
message.load(parts)
continue

elif localName == 'portType':
name = DOM.getAttr(element, 'name')
docs = GetDocumentation(element)
ptype = self.addPortType(name, docs)
operations = DOM.getElements(element, 'operation', NS_WSDL)
ptype.load(operations)
continue

elif localName == 'binding':
name = DOM.getAttr(element, 'name')
type = DOM.getAttr(element, 'type', default=None)
if type is None:
raise WSDLError(
'Missing type attribute for binding %s.' % name
)
type = type.split(':', 1)[-1]
docs = GetDocumentation(element)
binding = self.addBinding(name, type, docs)
operations = DOM.getElements(element, 'operation', NS_WSDL)
binding.load(operations)
binding.load_ex(GetExtensions(element))
continue

elif localName == 'service':
name = DOM.getAttr(element, 'name')
docs = GetDocumentation(element)
service = self.addService(name, docs)
ports = DOM.getElements(element, 'port', NS_WSDL)
service.load(ports)
service.load_ex(GetExtensions(element))
continue

elif localName == 'types':
self.types.documentation = GetDocumentation(element)
for item in DOM.getElements(element, None, None):
if item.localName == 'schema':
self.types.addSchema(XMLSchema(item))
else:
self.types.addExtension(item)
continue

def _import(self, document, element):
namespace = DOM.getAttr(element, 'namespace', default=None)
location = DOM.getAttr(element, 'location', default=None)
if namespace is None or location is None:
raise WSDLError(
'Invalid import element (missing namespace or location).'
)

# Sort-of support relative locations to simplify unit testing. The
# WSDL specification actually doesn't allow relative URLs, so its
# ok that this only works with urls relative to the initial document.
location = urllib.basejoin(self.location, location)

obimport = self.addImport(namespace, location)
obimport._loaded = 1

importdoc = DOM.loadFromURL(location)
try:
if location.find('#') > -1:
idref = location.split('#')[-1]
imported = DOM.getElementById(importdoc, idref)
else:
imported = importdoc.documentElement
if imported is None:
raise WSDLError(
'Import target element not found for: %s' % location
)

imported_tns = DOM.findTargetNS(imported)
if imported_tns != namespace:
return

if imported.localName == 'definitions':
imported_nodes = imported.childNodes
else:
imported_nodes = [imported]
parent = element.parentNode
for node in imported_nodes:
if node.nodeType != node.ELEMENT_NODE:
continue
child = DOM.importNode(document, node, 1)
parent.appendChild(child)
child.setAttribute('targetNamespace', namespace)
attrsNS = imported._attrsNS
for attrkey in attrsNS.keys():
if attrkey[0] == DOM.NS_XMLNS:
attr = attrsNS[attrkey].cloneNode(1)
child.setAttributeNode(attr)
finally:
importdoc.unlink()


class Element:
"""A class that provides common functions for WSDL element classes."""
def __init__(self, name=None, documentation=''):
self.name = name
self.documentation = documentation
self.extensions = []

def addExtension(self, item):
self.extensions.append(item)


class ImportElement(Element):
def __init__(self, namespace, location):
self.namespace = namespace
self.location = location

_loaded = None


class Types(Collection):
def __init__(self, parent):
Collection.__init__(self, parent)
self.documentation = ''
self.extensions = []

def addSchema(self, schema):
name = schema.targetNamespace
self[name] = schema
return schema

def keys(self):
return map(lambda i: i.targetNamespace, self.list)

def items(self):
return map(lambda i: i.targetNamespace, self.list)

def addExtension(self, item):
self.extensions.append(item)


class Message(Element):
def __init__(self, name, documentation=''):
Element.__init__(self, name, documentation)
self.parts = Collection(self)

def addPart(self, name, type=None, element=None):
if self.parts.has_key(name):
raise WSDLError(
'Duplicate message part element: %s' % name
)
if type is None and element is None:
raise WSDLError(
'Missing type or element attribute for part: %s' % name
)
item = MessagePart(name)
item.element = element
item.type = type
self.parts[name] = item
return item

def load(self, elements):
for element in elements:
name = DOM.getAttr(element, 'name')
part = MessagePart(name)
self.parts[name] = part
elemref = DOM.getAttr(element, 'element', default=None)
typeref = DOM.getAttr(element, 'type', default=None)
if typeref is None and elemref is None:
raise WSDLError(
'No type or element attribute for part: %s' % name
)
if typeref is not None:
part.type = ParseTypeRef(typeref, element)
if elemref is not None:
part.element = ParseTypeRef(elemref, element)


class MessagePart(Element):
def __init__(self, name):
Element.__init__(self, name, '')
self.element = None
self.type = None


class PortType(Element):
def __init__(self, name, documentation=''):
Element.__init__(self, name, documentation)
self.operations = Collection(self)

def getWSDL(self):
return self.parent().parent()

def addOperation(self, name, documentation='', parameterOrder=None):
item = Operation(name, documentation, parameterOrder)
self.operations[name] = item
return item

def load(self, elements):
for element in elements:
name = DOM.getAttr(element, 'name')
docs = GetDocumentation(element)
param_order = DOM.getAttr(element, 'parameterOrder', default=None)
if param_order is not None:
param_order = param_order.split(' ')
operation = self.addOperation(name, docs, param_order)

item = DOM.getElement(element, 'input', None, None)
if item is not None:
name = DOM.getAttr(item, 'name')
docs = GetDocumentation(item)
msgref = DOM.getAttr(item, 'message')
message = msgref.split(':', 1)[-1]
operation.setInput(message, name, docs)

item = DOM.getElement(element, 'output', None, None)
if item is not None:
name = DOM.getAttr(item, 'name')
docs = GetDocumentation(item)
msgref = DOM.getAttr(item, 'message')
message = msgref.split(':', 1)[-1]
operation.setOutput(message, name, docs)

for item in DOM.getElements(element, 'fault', None):
name = DOM.getAttr(item, 'name')
docs = GetDocumentation(item)
msgref = DOM.getAttr(item, 'message')
message = msgref.split(':', 1)[-1]
operation.addFault(message, name, docs)


class Operation(Element):
def __init__(self, name, documentation='', parameterOrder=None):
Element.__init__(self, name, documentation)
self.parameterOrder = parameterOrder
self.faults = Collection(self)
self.input = None
self.output = None

def getPortType(self):
return self.parent().parent()

def getInputMessage(self):
if self.input is None:
return None
wsdl = self.getPortType().getWSDL()
return wsdl.messages[self.input.message]

def getOutputMessage(self):
if self.output is None:
return None
wsdl = self.getPortType().getWSDL()
return wsdl.messages[self.output.message]

def getFaultMessage(self, name):
wsdl = self.getPortType().getWSDL()
return wsdl.messages[self.faults[name].message]

def addFault(self, name, message, documentation=''):
if self.faults.has_key(name):
raise WSDLError(
'Duplicate fault element: %s' % name
)
item = MessageRole('fault', message, name, documentation)
self.faults[name] = item
return item

def setInput(self, message, name='', documentation=''):
self.input = MessageRole('input', message, name, documentation)
return self.input

def setOutput(self, message, name='', documentation=''):
self.output = MessageRole('output', message, name, documentation)
return self.output


class MessageRole(Element):
def __init__(self, type, message, name='', documentation=''):
Element.__init__(self, name, documentation)
self.message = message
self.type = type


class Binding(Element):
def __init__(self, name, type, documentation=''):
Element.__init__(self, name, documentation)
self.operations = Collection(self)
self.type = type

def getWSDL(self):
"""Return the WSDL object that contains this binding."""
return self.parent().parent()

def getPortType(self):
"""Return the PortType object associated with this binding."""
return self.getWSDL().portTypes[self.type]

def findBinding(self, kind):
for item in self.extensions:
if isinstance(item, kind):
return item
return None

def findBindings(self, kind):
return [ item for item in self.extensions if isinstance(item, kind) ]

def addOperationBinding(self, name, documentation=''):
item = OperationBinding(name, documentation)
self.operations[name] = item
return item

def load(self, elements):
for element in elements:
name = DOM.getAttr(element, 'name')
docs = GetDocumentation(element)
opbinding = self.addOperationBinding(name, docs)
opbinding.load_ex(GetExtensions(element))

item = DOM.getElement(element, 'input', None, None)
if item is not None:
mbinding = MessageRoleBinding('input')
mbinding.documentation = GetDocumentation(item)
opbinding.input = mbinding
mbinding.load_ex(GetExtensions(item))

item = DOM.getElement(element, 'output', None, None)
if item is not None:
mbinding = MessageRoleBinding('output')
mbinding.documentation = GetDocumentation(item)
opbinding.output = mbinding
mbinding.load_ex(GetExtensions(item))

for item in DOM.getElements(element, 'fault', None):
name = DOM.getAttr(item, 'name')
mbinding = MessageRoleBinding('fault', name)
mbinding.documentation = GetDocumentation(item)
opbinding.faults[name] = mbinding
mbinding.load_ex(GetExtensions(item))

def load_ex(self, elements):
for e in elements:
ns, name = e.namespaceURI, e.localName
if ns in DOM.NS_SOAP_BINDING_ALL and name == 'binding':
transport = DOM.getAttr(e, 'transport', default=None)
style = DOM.getAttr(e, 'style', default='document')
ob = SoapBinding(transport, style)
self.addExtension(ob)
continue
elif ns in DOM.NS_HTTP_BINDING_ALL and name == 'binding':
verb = DOM.getAttr(e, 'verb')
ob = HttpBinding(verb)
self.addExtension(ob)
continue
else:
self.addExtension(e)


class OperationBinding(Element):
def __init__(self, name, documentation=''):
Element.__init__(self, name, documentation)
self.input = None
self.output = None
self.faults = Collection(self)

def getBinding(self):
"""Return the parent Binding object of the operation binding."""
return self.parent().parent()

def getOperation(self):
"""Return the abstract Operation associated with this binding."""
return self.getBinding().getPortType().operations[self.name]
def findBinding(self, kind):
for item in self.extensions:
if isinstance(item, kind):
return item
return None

def findBindings(self, kind):
return [ item for item in self.extensions if isinstance(item, kind) ]

def addInputBinding(self, binding):
if self.input is None:
self.input = MessageRoleBinding('input')
self.input.addExtension(binding)
return binding

def addOutputBinding(self, binding):
if self.output is None:
self.output = MessageRoleBinding('output')
self.output.addExtension(binding)
return binding

def addFaultBinding(self, name, binding):
fault = self.get(name, None)
if fault is None:
fault = MessageRoleBinding('fault', name)
fault.addExtension(binding)
return binding

def load_ex(self, elements):
for e in elements:
ns, name = e.namespaceURI, e.localName
if ns in DOM.NS_SOAP_BINDING_ALL and name == 'operation':
soapaction = DOM.getAttr(e, 'soapAction', default=None)
style = DOM.getAttr(e, 'style', default=None)
ob = SoapOperationBinding(soapaction, style)
self.addExtension(ob)
continue
elif ns in DOM.NS_HTTP_BINDING_ALL and name == 'operation':
location = DOM.getAttr(e, 'location')
ob = HttpOperationBinding(location)
self.addExtension(ob)
continue
else:
self.addExtension(e)


class MessageRoleBinding(Element):
def __init__(self, type, name='', documentation=''):
Element.__init__(self, name, documentation)
self.type = type

def findBinding(self, kind):
for item in self.extensions:
if isinstance(item, kind):
return item
return None

def findBindings(self, kind):
return [ item for item in self.extensions if isinstance(item, kind) ]

def load_ex(self, elements):
for e in elements:
ns, name = e.namespaceURI, e.localName
if ns in DOM.NS_SOAP_BINDING_ALL and name == 'body':
encstyle = DOM.getAttr(e, 'encodingStyle', default=None)
namespace = DOM.getAttr(e, 'namespace', default=None)
parts = DOM.getAttr(e, 'parts', default=None)
use = DOM.getAttr(e, 'use', default=None)
if use is None:
raise WSDLError(
'Invalid soap:body binding element.'
)
ob = SoapBodyBinding(use, namespace, encstyle, parts)
self.addExtension(ob)
continue

elif ns in DOM.NS_SOAP_BINDING_ALL and name == 'fault':
encstyle = DOM.getAttr(e, 'encodingStyle', default=None)
namespace = DOM.getAttr(e, 'namespace', default=None)
name = DOM.getAttr(e, 'name', default=None)
use = DOM.getAttr(e, 'use', default=None)
if use is None or name is None:
raise WSDLError(
'Invalid soap:fault binding element.'
)
ob = SoapFaultBinding(name, use, namespace, encstyle)
self.addExtension(ob)
continue

elif ns in DOM.NS_SOAP_BINDING_ALL and name in (
'header', 'headerfault'
):
encstyle = DOM.getAttr(e, 'encodingStyle', default=None)
namespace = DOM.getAttr(e, 'namespace', default=None)
message = DOM.getAttr(e, 'message')
part = DOM.getAttr(e, 'part')
use = DOM.getAttr(e, 'use')
if name == 'header':
_class = SoapHeaderBinding
else:
_class = SoapHeaderFaultBinding
ob = _class(message, part, use, namespace, encstyle)
self.addExtension(ob)
continue

elif ns in DOM.NS_HTTP_BINDING_ALL and name == 'urlReplacement':
ob = HttpUrlReplacementBinding()
self.addExtension(ob)
continue

elif ns in DOM.NS_HTTP_BINDING_ALL and name == 'urlEncoded':
ob = HttpUrlEncodedBinding()
self.addExtension(ob)
continue

elif ns in DOM.NS_MIME_BINDING_ALL and name == 'multipartRelated':
ob = MimeMultipartRelatedBinding()
self.addExtension(ob)
ob.load_ex(GetExtensions(e))
continue

elif ns in DOM.NS_MIME_BINDING_ALL and name == 'content':
part = DOM.getAttr(e, 'part', default=None)
type = DOM.getAttr(e, 'type', default=None)
ob = MimeContentBinding(part, type)
self.addExtension(ob)
continue

elif ns in DOM.NS_MIME_BINDING_ALL and name == 'mimeXml':
part = DOM.getAttr(e, 'part', default=None)
ob = MimeXmlBinding(part)
self.addExtension(ob)
continue

else:
self.addExtension(e)


class Service(Element):
def __init__(self, name, documentation=''):
Element.__init__(self, name, documentation)
self.ports = Collection(self)

def getWSDL(self):
return self.parent().parent()

def addPort(self, name, binding, documentation=''):
item = Port(name, binding, documentation)
self.ports[name] = item
return item

def load(self, elements):
for element in elements:
name = DOM.getAttr(element, 'name', default=None)
docs = GetDocumentation(element)
binding = DOM.getAttr(element, 'binding', default=None)
if name is None or binding is None:
raise WSDLError(
'Invalid port element.'
)
binding = binding.split(':', 1)[-1]
port = self.addPort(name, binding, docs)
port.load_ex(GetExtensions(element))

def load_ex(self, elements):
for e in elements:
self.addExtension(e)


class Port(Element):
def __init__(self, name, binding, documentation=''):
Element.__init__(self, name, documentation)
self.binding = binding

def getService(self):
"""Return the Service object associated with this port."""
return self.parent().parent()

def getBinding(self):
"""Return the Binding object that is referenced by this port."""
wsdl = self.getService().getWSDL()
return wsdl.bindings[self.binding]

def getPortType(self):
"""Return the PortType object that is referenced by this port."""
wsdl = self.getService().getWSDL()
binding = wsdl.bindings[self.binding]
return wsdl.portTypes[binding.type]

def getAddressBinding(self):
"""A convenience method to obtain the extension element used
as the address binding for the port, or None if undefined."""
for item in self.extensions:
if isinstance(item, SoapAddressBinding) or \
isinstance(item, HttpAddressBinding):
return item
raise WSDLError(
'No address binding found in port.'
)

def load_ex(self, elements):
for e in elements:
ns, name = e.namespaceURI, e.localName
if ns in DOM.NS_SOAP_BINDING_ALL and name == 'address':
location = DOM.getAttr(e, 'location', default=None)
ob = SoapAddressBinding(location)
self.addExtension(ob)
continue
elif ns in DOM.NS_HTTP_BINDING_ALL and name == 'address':
location = DOM.getAttr(e, 'location', default=None)
ob = HttpAddressBinding(location)
self.addExtension(ob)
continue
else:
self.addExtension(e)


class SoapBinding:
def __init__(self, transport, style='rpc'):
self.transport = transport
self.style = style


class SoapAddressBinding:
def __init__(self, location):
self.location = location


class SoapOperationBinding:
def __init__(self, soapAction=None, style=None):
self.soapAction = soapAction
self.style = style


class SoapBodyBinding:
def __init__(self, use, namespace=None, encodingStyle=None, parts=None):
if not use in ('literal', 'encoded'):
raise WSDLError(
'Invalid use attribute value: %s' % use
)
self.encodingStyle = encodingStyle
self.namespace = namespace
if type(parts) in (type(''), type(u'')):
raise WSDLError(
'The parts argument must be a sequence.'
)
self.parts = parts
self.use = use

class SoapFaultBinding:
def __init__(self, name, use, namespace=None, encodingStyle=None):
if not use in ('literal', 'encoded'):
raise WSDLError(
'Invalid use attribute value: %s' % use
)
self.encodingStyle = encodingStyle
self.namespace = namespace
self.name = name
self.use = use


class SoapHeaderBinding:
def __init__(self, message, part, use, namespace=None, encodingStyle=None):
if not use in ('literal', 'encoded'):
raise WSDLError(
'Invalid use attribute value: %s' % use
)
self.encodingStyle = encodingStyle
self.namespace = namespace
self.message = message
self.part = part
self.use = use

tagname = 'header'

class SoapHeaderFaultBinding(SoapHeaderBinding):
tagname = 'headerfault'


class HttpBinding:
def __init__(self, verb):
self.verb = verb

class HttpAddressBinding:
def __init__(self, location):
self.location = location


class HttpOperationBinding:
def __init__(self, location):
self.location = location

class HttpUrlReplacementBinding:
pass


class HttpUrlEncodedBinding:
pass


class MimeContentBinding:
def __init__(self, part=None, type=None):
self.part = part
self.type = type


class MimeXmlBinding:
def __init__(self, part=None):
self.part = part


class MimeMultipartRelatedBinding:
def __init__(self):
self.parts = []

def load_ex(self, elements):
for e in elements:
ns, name = e.namespaceURI, e.localName
if ns in DOM.NS_MIME_BINDING_ALL and name == 'part':
self.parts.append(MimePartBinding())
continue


class MimePartBinding:
def __init__(self):
self.items = []

def load_ex(self, elements):
for e in elements:
ns, name = e.namespaceURI, e.localName
if ns in DOM.NS_MIME_BINDING_ALL and name == 'content':
part = DOM.getAttr(e, 'part', default=None)
type = DOM.getAttr(e, 'type', default=None)
ob = MimeContentBinding(part, type)
self.items.append(ob)
continue

elif ns in DOM.NS_MIME_BINDING_ALL and name == 'mimeXml':
part = DOM.getAttr(e, 'part', default=None)
ob = MimeXmlBinding(part)
self.items.append(ob)
continue

elif ns in DOM.NS_SOAP_BINDING_ALL and name == 'body':
encstyle = DOM.getAttr(e, 'encodingStyle', default=None)
namespace = DOM.getAttr(e, 'namespace', default=None)
parts = DOM.getAttr(e, 'parts', default=None)
use = DOM.getAttr(e, 'use', default=None)
if use is None:
raise WSDLError(
'Invalid soap:body binding element.'
)
ob = SoapBodyBinding(use, namespace, encstyle, parts)
self.items.append(ob)
continue


class WSDLError(Exception):
pass



def DeclareNSPrefix(writer, prefix, nsuri):
if writer.hasNSPrefix(nsuri):
return
writer.declareNSPrefix(prefix, nsuri)

def ParseTypeRef(value, element):
parts = value.split(':', 1)
if len(parts) == 1:
return (DOM.findTargetNS(element), value)
nsuri = DOM.findNamespaceURI(parts[0], element)
return (nsuri, parts[1])

def ParseQName(value, element):
nameref = value.split(':', 1)
if len(nameref) == 2:
nsuri = DOM.findNamespaceURI(nameref[0], element)
name = nameref[-1]
else:
nsuri = DOM.findTargetNS(element)
name = nameref[-1]
return nsuri, name

def GetDocumentation(element):
docnode = DOM.getElement(element, 'documentation', None, None)
if docnode is not None:
return DOM.getElementText(docnode)
return ''

def GetExtensions(element):
return [ item for item in DOM.getElements(element, None, None)
if item.namespaceURI != DOM.NS_WSDL ]

def FindExtensions(object, kind, t_type=type(())):
if isinstance(kind, t_type):
result = []
namespaceURI, name = kind
return [ item for item in object.extensions
if hasattr(item, 'nodeType') \
and DOM.nsUriMatch(namespaceURI, item.namespaceURI) \
and item.name == name ]
return [ item for item in object.extensions if isinstance(item, kind) ]

def FindExtension(object, kind, t_type=type(())):
if isinstance(kind, t_type):
namespaceURI, name = kind
for item in object.extensions:
if hasattr(item, 'nodeType') \
and DOM.nsUriMatch(namespaceURI, item.namespaceURI) \
and item.name == name:
return item
else:
for item in object.extensions:
if isinstance(item, kind):
return item
return None

+ 331
- 0
XMLSchema.py View File

@@ -0,0 +1,331 @@
# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.

import string, types, base64, re
from Utility import DOM, Collection
from StringIO import StringIO


class SchemaReader:
"""A SchemaReader creates XMLSchema objects from urls and xml data."""

def loadFromStream(self, file):
"""Return an XMLSchema instance loaded from a file object."""
document = DOM.loadDocument(file)
schema = XMLSchema()
schema.load(document)
return schema

def loadFromString(self, data):
"""Return an XMLSchema instance loaded from an xml string."""
return self.loadFromStream(StringIO(data))

def loadFromURL(self, url):
"""Return an XMLSchema instance loaded from the given url."""
document = DOM.loadFromURL(url)
schema = XMLSchema()
schema.location = url
schema.load(document)
return schema

def loadFromFile(self, filename):
"""Return an XMLSchema instance loaded from the given file."""
file = open(filename, 'rb')
try: schema = self.loadFromStream(file)
finally: file.close()
return schema


class XMLSchema:
# This is temporary, for the benefit of WSDL until the real thing works.
def __init__(self, element):
self.targetNamespace = DOM.getAttr(element, 'targetNamespace')
self.element = element

class realXMLSchema:
"""A schema is a collection of schema components derived from one
or more schema documents, that is, one or more <schema> element
information items. It represents the abstract notion of a schema
rather than a single schema document (or other representation)."""
def __init__(self):
self.simpleTypes = Collection(self)
self.complexTypes = Collection(self)
self.attributes = Collection(self)
self.elements = Collection(self)
self.attrGroups = Collection(self)
self.idConstraints=None
self.modelGroups = None
self.notations = None
self.extensions = []

targetNamespace = None
attributeFormDefault = 'unqualified'
elementFormDefault = 'unqualified'
blockDefault = None
finalDefault = None
location = None
version = None
id = None

def load(self, document):
if document.nodeType == document.DOCUMENT_NODE:
schema = DOM.getElement(document, 'schema', None, None)
else:
schema = document
if schema is None:
raise SchemaError('Missing <schema> element.')

self.namespace = namespace = schema.namespaceURI
if not namespace in DOM.NS_XSD_ALL:
raise SchemaError(
'Unknown XML schema namespace: %s.' % self.namespace
)

for attrname in (
'targetNamespace', 'attributeFormDefault', 'elementFormDefault',
'blockDefault', 'finalDefault', 'version', 'id'
):
value = DOM.getAttr(schema, attrname, None, None)
if attr is not None:
setattr(self, attrname, value)


# Resolve imports and includes here?
## imported = {}
## while 1:
## imports = []
## for element in DOM.getElements(definitions, 'import', NS_WSDL):
## location = DOM.getAttr(element, 'location')
## if not imported.has_key(location):
## imports.append(element)
## if not imports:
## break
## for element in imports:
## self._import(document, element)
## imported[location] = 1

for element in DOM.getElements(schema, None, None):
localName = element.localName

if not DOM.nsUriMatch(element.namespaceURI, namespace):
self.extensions.append(element)
continue

elif localName == 'message':
name = DOM.getAttr(element, 'name')
docs = GetDocumentation(element)
message = self.addMessage(name, docs)
parts = DOM.getElements(element, 'part', NS_WSDL)
message.load(parts)
continue

def _import(self, document, element):
namespace = DOM.getAttr(element, 'namespace', default=None)
location = DOM.getAttr(element, 'location', default=None)
if namespace is None or location is None:
raise WSDLError(
'Invalid import element (missing namespace or location).'
)

# Sort-of support relative locations to simplify unit testing. The
# WSDL specification actually doesn't allow relative URLs, so its
# ok that this only works with urls relative to the initial document.
location = urllib.basejoin(self.location, location)

obimport = self.addImport(namespace, location)
obimport._loaded = 1

importdoc = DOM.loadFromURL(location)
try:
if location.find('#') > -1:
idref = location.split('#')[-1]
imported = DOM.getElementById(importdoc, idref)
else:
imported = importdoc.documentElement
if imported is None:
raise WSDLError(
'Import target element not found for: %s' % location
)

imported_tns = DOM.getAttr(imported, 'targetNamespace')
importer_tns = namespace

if imported_tns != importer_tns:
return

if imported.localName == 'definitions':
imported_nodes = imported.childNodes
else:
imported_nodes = [imported]
parent = element.parentNode
for node in imported_nodes:
if node.nodeType != node.ELEMENT_NODE:
continue
child = DOM.importNode(document, node, 1)
parent.appendChild(child)
child.setAttribute('targetNamespace', importer_tns)
attrsNS = imported._attrsNS
for attrkey in attrsNS.keys():
if attrkey[0] == DOM.NS_XMLNS:
attr = attrsNS[attrkey].cloneNode(1)
child.setAttributeNode(attr)
finally:
importdoc.unlink()


class Element:
"""Common base class for element representation classes."""
def __init__(self, name=None, documentation=''):
self.name = name
self.documentation = documentation
self.extensions = []

def addExtension(self, item):
self.extensions.append(item)


class SimpleTypeDefinition:
"""Represents an xml schema simple type definition."""

class ComplexTypeDefinition:
"""Represents an xml schema complex type definition."""

class AttributeDeclaration:
"""Represents an xml schema attribute declaration."""

class ElementDeclaration:
"""Represents an xml schema element declaration."""
def __init__(self, name, type=None, targetNamespace=None):
self.name = name

targetNamespace = None
annotation = None
nillable = 0
abstract = 0
default = None
fixed = None
scope = 'global'
type = None
form = 0
# Things we will not worry about for now.
id_constraint_defs = None
sub_group_exclude = None
sub_group_affils = None
disallowed_subs = None










class AttributeGroupDefinition:
"""Represents an xml schema attribute group definition."""

class IdentityConstraintDefinition:
"""Represents an xml schema identity constraint definition."""

class ModelGroupDefinition:
"""Represents an xml schema model group definition."""

class NotationDeclaration:
"""Represents an xml schema notation declaration."""

class Annotation:
"""Represents an xml schema annotation."""

class ModelGroup:
"""Represents an xml schema model group."""

class Particle:
"""Represents an xml schema particle."""

class WildCard:
"""Represents an xml schema wildcard."""

class AttributeUse:
"""Represents an xml schema attribute use."""


class ElementComponent:
namespace = ''
name = ''
type = None
form = 'qualified | unqualified'
scope = 'global or complex def'
constraint = ('value', 'default | fixed')
nillable = 0
id_constraint_defs = None
sub_group_affil = None
sub_group_exclusions = None
disallowed_subs = 'substitution, extension, restriction'
abstract = 0
minOccurs = 1
maxOccurs = 1
ref = ''

class AttributeThing:
name = ''
namespace = ''
typeName = ''
typeUri = ''
scope = 'global | local to complex def'
constraint = ('value:default', 'value:fixed')
use = 'optional | prohibited | required'

class ElementDataType:
namespace = ''
name = ''
element_form = 'qualified | unqualified'
attr_form = None
type_name = ''
type_uri = ''
def __init__(self, name, namespace, type_name, type_uri):
self.namespace = namespace
self.name = name
# type may be anonymous...
self.type_name = type_name
self.type_uri = type_uri

def checkValue(self, value, context):
# Delegate value checking to the type of the element.
typeref = (self.type_uri, self.type_name)
handler = context.serializer.getType(typeref)
return handler.checkValue(value, context)

def serialize(self, name, namespace, value, context, **kwargs):
if context.check_values:
self.checkValue(value, context)
# Delegate serialization to the type of the element.
typeref = (self.type_uri, self.type_name)
handler = context.serializer.getType(typeref)
return handler.serialize(self.name, self.namespace, value, context)

def deserialize(self, element, context):
if element_is_null(element, context):
return None
# Delegate deserialization to the type of the element.
typeref = (self.type_uri, self.type_name)
handler = context.serializer.getType(typeref)
return handler.deserialize(element, context)



def parse_schema(data):
targetNS = ''
attributeFormDefault = 0
elementFormDefault = 0
blockDefault = ''
finalDefault = ''
language = None
version = None
id = ''

+ 61
- 0
ZPL View File

@@ -0,0 +1,61 @@
Zope Public License (ZPL) Version 2.0
-----------------------------------------------

This software is Copyright (c) Zope Corporation (tm) and
Contributors. All rights reserved.

This license has been certified as open source. It has also
been designated as GPL compatible by the Free Software
Foundation (FSF).

Redistribution and use in source and binary forms, with or
without modification, are permitted provided that the
following conditions are met:

1. Redistributions in 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. The name Zope Corporation (tm) must not be used to
endorse or promote products derived from this software
without prior written permission from Zope Corporation.

4. The right to distribute this software or to use it for
any purpose does not give you the right to use Servicemarks
(sm) or Trademarks (tm) of Zope Corporation. Use of them is
covered in a separate agreement (see
http://www.zope.com/Marks).

5. If any files are modified, you must cause the modified
files to carry prominent notices stating that you changed
the files and the date of any change.

Disclaimer

THIS SOFTWARE IS PROVIDED BY ZOPE CORPORATION ``AS IS''
AND ANY EXPRESSED 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 ZOPE CORPORATION OR ITS 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.


This software consists of contributions made by Zope
Corporation and many individuals on behalf of Zope
Corporation. Specific attributions are listed in the
accompanying credits file.



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__init__.py View File

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# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.

"""WSDL parsing services package for Web Services for Python."""

from ServiceProxy import ServiceProxy

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