############################################################################
# Monte M. Goode, LBNL
# See LBNLCopyright for copyright notice!
###########################################################################

# contains text container classes for new generation generator

# $Id: containers.py 1487 2009-04-07 00:02:42Z lclement $
import types, warnings
from utility import StringWriter, TextProtect, TextProtectAttributeName,\
    GetPartsSubNames
from utility import NamespaceAliasDict as NAD, NCName_to_ClassName as NC_to_CN

import ZSI
from ZSI.TC import _is_xsd_or_soap_ns
from ZSI.wstools import XMLSchema, WSDLTools
from ZSI.wstools.Namespaces import SCHEMA, SOAP, WSDL, APACHE
from ZSI.wstools.logging import getLogger as _GetLogger
from ZSI.typeinterpreter import BaseTypeInterpreter
from ZSI.generate import WSISpec, WSInteropError, Wsdl2PythonError,\
    WsdlGeneratorError, WSDLFormatError

ID1 = '    '
ID2 = 2*ID1
ID3 = 3*ID1
ID4 = 4*ID1
ID5 = 5*ID1
ID6 = 6*ID1

KW = {'ID1':ID1, 'ID2':ID2, 'ID3':ID3,'ID4':ID4, 'ID5':ID5, 'ID6':ID6,}

DEC = '_Dec'
DEF = '_Def'

"""
type_class_name -- function to return the name formatted as a type class.
element_class_name -- function to return the name formatted as an element class.
"""
type_class_name = lambda n: '%s%s' %(NC_to_CN(n), DEF)
element_class_name = lambda n: '%s%s' %(NC_to_CN(n), DEC)


def IsRPC(item):
    """item -- OperationBinding instance.
    """
    if not isinstance(item, WSDLTools.OperationBinding):
        raise TypeError, 'IsRPC takes 1 argument of type WSDLTools.OperationBinding'
    soapbinding = item.getBinding().findBinding(WSDLTools.SoapBinding)
    sob = item.findBinding(WSDLTools.SoapOperationBinding)
    style = soapbinding.style
    if sob is not None:
        style = sob.style or soapbinding.style
    return style == 'rpc'


def IsLiteral(item):
    """item -- MessageRoleBinding instance.
    """
    if not isinstance(item, WSDLTools.MessageRoleBinding):
        raise TypeError, 'IsLiteral takes 1 argument of type WSDLTools.MessageRoleBinding'
    sbb = None
    if item.type == 'input' or item.type == 'output':
        sbb = item.findBinding(WSDLTools.SoapBodyBinding)
    if sbb is None:
        raise ValueError, 'Missing soap:body binding.'
    return sbb.use == 'literal'


def SetTypeNameFunc(func):
    global type_class_name
    type_class_name = func

def SetElementNameFunc(func):
    global element_class_name
    element_class_name = func

def GetClassNameFromSchemaItem(item,do_extended=False):
    '''
    '''
    assert isinstance(item, XMLSchema.XMLSchemaComponent), 'must be a schema item.'
    alias = NAD.getAlias(item.getTargetNamespace())
    if item.isDefinition() is True:
        return '%s.%s' %(alias, NC_to_CN('%s' %type_class_name(item.getAttributeName())))
    return None

def FromMessageGetSimpleElementDeclaration(message):
    '''If message consists of one part with an element attribute,
    and this element is a simpleType return a string representing 
    the python type, else return None.

    '''
    assert isinstance(message, WSDLTools.Message), 'expecting WSDLTools.Message'

    if len(message.parts) == 1 and message.parts[0].element is not None:
       part = message.parts[0]
       nsuri,name = part.element
       wsdl = message.getWSDL()
       types = wsdl.types
       if types.has_key(nsuri) and types[nsuri].elements.has_key(name):
            e = types[nsuri].elements[name]
            if isinstance(e, XMLSchema.ElementDeclaration) is True and e.getAttribute('type'):
                typ = e.getAttribute('type')
                bt = BaseTypeInterpreter()
                ptype = bt.get_pythontype(typ[1], typ[0])
                return ptype

    return None


class AttributeMixIn:
    '''for containers that can declare attributes.
    Class Attributes:
        attribute_typecode -- typecode attribute name typecode dict
        built_in_refs -- attribute references that point to built-in
            types.  Skip resolving them into attribute declarations.
    '''
    attribute_typecode = 'self.attribute_typecode_dict'
    built_in_refs = [(SOAP.ENC, 'arrayType'),]
    
    def _setAttributes(self, attributes):
        '''parameters
        attributes -- a flat list of all attributes, 
        from this list all items in attribute_typecode_dict will
        be generated into attrComponents.
        
        returns a list of strings representing the attribute_typecode_dict.
        '''
        atd = self.attribute_typecode
        atd_list = formatted_attribute_list = []
        if not attributes:
            return formatted_attribute_list
        
        atd_list.append('# attribute handling code')
        idx = 0
        while(idx < len(attributes)):
            a = attributes[idx] 
            idx += 1
            if a.isWildCard() and a.isDeclaration():
                atd_list.append(\
                    '%s[("%s","anyAttribute")] = ZSI.TC.AnyElement()'\
                    % (atd, SCHEMA.XSD3)
                    )
            elif a.isDeclaration():
                tdef = a.getTypeDefinition('type')
                if tdef is not None:
                    tc = '%s.%s(None)' %(NAD.getAlias(tdef.getTargetNamespace()),
                        self.mangle(type_class_name(tdef.getAttributeName()))
                        )
                else:
                    # built-in
                    t = a.getAttribute('type')
                    try:
                        tc = BTI.get_typeclass(t[1], t[0])
                    except:
                        # hand back a string by default.
                        tc = ZSI.TC.String
                            
                    if tc is not None: 
                        tc = '%s()' %tc
                            
                key = None
                if a.getAttribute('form') == 'qualified':
                    key = '("%s","%s")' % ( a.getTargetNamespace(),
                                            a.getAttribute('name') )
                elif a.getAttribute('form') == 'unqualified':
                    key = '"%s"' % a.getAttribute('name')
                else:
                    raise ContainerError, \
                          'attribute form must be un/qualified %s' \
                          % a.getAttribute('form')
                          
                atd_list.append(\
                    '%s[%s] = %s' % (atd, key, tc)
                    )
            elif a.isReference() and a.isAttributeGroup():
                # flatten 'em out....
                for ga in a.getAttributeGroup().getAttributeContent():
                    attributes += (ga,)

            elif a.isReference():
                try:
                    ga = a.getAttributeDeclaration()
                except XMLSchema.SchemaError:
                    key = a.getAttribute('ref')
                    self.logger.debug('No schema item for attribute ref (%s, %s)' %key)
                    if key in self.built_in_refs: continue
                    raise
                        
                tp = None
                if ga is not None:
                    tp = ga.getTypeDefinition('type')           
                    key = '("%s","%s")' %(ga.getTargetNamespace(),
                             ga.getAttribute('name'))
                             
                if ga is None:
                    # TODO: probably SOAPENC:arrayType
                    key = '("%s","%s")' %(
                             a.getAttribute('ref').getTargetNamespace(),
                             a.getAttribute('ref').getName())
                    atd_list.append(\
                        '%s[%s] = ZSI.TC.String()' %(atd, key)
                        )
                elif tp is None:
                    # built in simple type
                    try:
                        namespace,typeName = ga.getAttribute('type')
                    except TypeError, ex:
                        # TODO: attribute declaration could be anonymous type
                        # hack in something to work
                        atd_list.append(\
                            '%s[%s] = ZSI.TC.String()' %(atd, key)
                            )
                    else:
                        atd_list.append(\
                            '%s[%s] = %s()' %(atd, key, 
                                 BTI.get_typeclass(typeName, namespace))
                            )
                else:
                    typeName = tp.getAttribute('name')
                    namespace = tp.getTargetNamespace()
                    alias = NAD.getAlias(namespace)
                    key = '("%s","%s")' \
                          % (ga.getTargetNamespace(),ga.getAttribute('name'))
                    atd_list.append(\
                        '%s[%s] = %s.%s(None)' \
                        % (atd, key, alias, type_class_name(typeName))
                        )
            else:
                raise TypeError, 'expecting an attribute: %s' %a.getItemTrace()
            
        return formatted_attribute_list


class ContainerError(Exception):
    pass


class ContainerBase:
    '''Base class for all Containers.
        func_aname -- function that takes name, and returns aname.
    '''
    func_aname = staticmethod(TextProtectAttributeName)
    logger = _GetLogger("ContainerBase")

    def __init__(self):
        self.content = StringWriter('\n')
        self.__setup   = False
        self.ns    = None

    def __str__(self):
        return self.getvalue()

    # - string content methods
    def mangle(self, s):
        '''class/variable name illegalities
        '''
        return TextProtect(s)

    def write(self, s):
        self.content.write(s)

    def writeArray(self, a):
        self.content.write('\n'.join(a))

    def _setContent(self):
        '''override in subclasses.  formats the content in the desired way.
        '''
        raise NotImplementedError, 'abstract method not implemented'

    def getvalue(self):
        if not self.__setup:
            self._setContent()
            self.__setup = True
            
        return self.content.getvalue()

    # - namespace utility methods
    def getNSAlias(self):
        if self.ns is not None:
            return NAD.getAlias(self.ns)
        raise ContainerError, 'no self.ns attr defined in %s' % self.__class__

    def getNSModuleName(self):
        if self.ns:
            return NAD.getModuleName(self.ns)
        raise ContainerError, 'no self.ns attr defined in %s' % self.__class__

    def getAttributeName(self, name):
        '''represents the aname
        '''
        if self.func_aname is None:
            return name
        assert callable(self.func_aname), \
            'expecting callable method for attribute func_aname, not %s' %type(self.func_aname)
        f = self.func_aname
        return f(name)


# -- containers for services file components

class ServiceContainerBase(ContainerBase):
    clientClassSuffix = "SOAP"
    logger = _GetLogger("ServiceContainerBase")
    
    
class ServiceHeaderContainer(ServiceContainerBase):
    imports = ['\nimport urlparse, types',
              'from ZSI.TCcompound import ComplexType, Struct',
              'from ZSI import client',
              'from ZSI.schema import GED, GTD',
              'import ZSI'
              ]
    logger = _GetLogger("ServiceHeaderContainer")
               
    def __init__(self, do_extended=False):
        ServiceContainerBase.__init__(self)
        
        self.basic = self.imports[:]
        self.types = None
        self.messages = None
        self.extras = []
        self.do_extended = do_extended

    def setTypesModuleName(self, module):
        self.types = module

    def setMessagesModuleName(self, module):
        self.messages = module

    def appendImport(self, statement):
        '''append additional import statement(s).
        import_stament -- tuple or list or str 
        '''
        if type(statement) in (list,tuple):
            self.extras += statement
        else:
            self.extras.append(statement)

    def _setContent(self):
        if self.messages:
            self.write('from %s import *' % self.messages)
        if self.types:
            self.write('from %s import *' % self.types)

        imports = self.basic[:]
        imports += self.extras
        self.writeArray(imports)


class ServiceLocatorContainer(ServiceContainerBase):
    logger = _GetLogger("ServiceLocatorContainer")

    def __init__(self):
        ServiceContainerBase.__init__(self)
        self.serviceName = None
        self.portInfo = []
        self.locatorName = None
        self.portMethods = []

    def setUp(self, service):
        assert isinstance(service, WSDLTools.Service), \
           'expecting WDSLTools.Service instance.'

        self.serviceName = service.name
        for p in service.ports:
            try:
                ab = p.getAddressBinding()
            except WSDLTools.WSDLError, ex:
                self.logger.warning('Skip port(%s), missing address binding' %p.name)
                continue
            if isinstance(ab, WSDLTools.SoapAddressBinding) is False:
                self.logger.warning('Skip port(%s), not a SOAP-1.1 address binding' %p.name)
                continue

            #info = (p.getBinding().getPortType().name, p.getBinding().name, ab.location)
            self.portInfo.append( (NC_to_CN(p.name), 
                 NC_to_CN(p.getBinding().name), 
                 ab.location)
            )

    def getLocatorName(self):
        '''return class name of generated locator.
        '''
        return self.locatorName

    def getPortMethods(self):
        '''list of get port accessor methods of generated locator class.
        '''
        return self.portMethods

    def _setContent(self):
        if not self.serviceName:
            raise ContainerError, 'no service name defined!'

        self.serviceName = self.mangle(self.serviceName)
        self.locatorName = '%sLocator' %self.serviceName
        locator = ['# Locator', 'class %s:' %self.locatorName, ]
        self.portMethods = []
        kwargs = KW.copy()
        for port,bind,addr in self.portInfo:
            # access method each port
            method = 'get%s' %port
            kwargs.update(dict(port=port, bind=bind, addr=addr, 
                service=self.serviceName, suffix=self.clientClassSuffix, method=method))

            locator += [
                '%(ID1)s%(port)s_address = "%(addr)s"' %kwargs,
                '%(ID1)sdef get%(port)sAddress(self):' %kwargs,
                '%(ID2)sreturn %(service)sLocator.%(port)s_address' %kwargs,
                '%(ID1)sdef %(method)s(self, url=None, **kw):' %kwargs,
                '%(ID2)sreturn %(bind)s%(suffix)s(url or %(service)sLocator.%(port)s_address, **kw)' %kwargs,
                ]

            self.portMethods.append(method)

        self.writeArray(locator)


class ServiceOperationContainer(ServiceContainerBase):
    logger = _GetLogger("ServiceOperationContainer")

    def __init__(self, useWSA=False, do_extended=False):
        '''Parameters:
              useWSA -- boolean, enable ws-addressing
              do_extended -- boolean
        '''
        ServiceContainerBase.__init__(self)
        self.useWSA  = useWSA
        self.do_extended = do_extended
    
    def hasInput(self):
        return self.inputName is not None

    def hasOutput(self):
        return self.outputName is not None

    def isRPC(self):
        return IsRPC(self.binding_operation)

    def isLiteral(self, input=True):
        msgrole = self.binding_operation.input
        if input is False:
            msgrole = self.binding_operation.output
        return IsLiteral(msgrole)
    
    def isSimpleType(self, input=True):
        if input is False:
            return self.outputSimpleType
        return self.inputSimpleType

    def getOperation(self):
        return self.port.operations.get(self.name)

    def getBOperation(self):
        return self.port.get(self.name)

    def getOperationName(self):
        return self.name

    def setUp(self, item):
        '''
        Parameters:
            item -- WSDLTools BindingOperation instance.
        '''
        if not isinstance(item, WSDLTools.OperationBinding):
            raise TypeError, 'Expecting WSDLTools Operation instance'

        if not item.input:
            raise WSDLFormatError('No <input/> in <binding name="%s"><operation name="%s">' %(
                item.getBinding().name, item.name))
        
        self.name = None
        self.port = None
        self.soapaction = None
        self.inputName  = None
        self.outputName = None
        self.inputSimpleType  = None
        self.outputSimpleType = None
        self.inputAction  = None
        self.outputAction = None
        self.port = port = item.getBinding().getPortType()
        self._wsdl = item.getWSDL()
        self.name = name = item.name
        self.binding_operation = bop = item
        
        self.soap_input_headers = None
        self.soap_output_headers = None
        
        op = port.operations.get(name)
        if op is None:
            raise WSDLFormatError(
                '<portType name="%s"/> no match for <binding name="%s"><operation name="%s">' %(
                port.name, item.getBinding().name, item.name))

        soap_bop = bop.findBinding(WSDLTools.SoapOperationBinding)
        if soap_bop is None: 
            raise SOAPBindingError, 'expecting SOAP Bindings'

        self.soapaction = soap_bop.soapAction
        sbody = bop.input.findBinding(WSDLTools.SoapBodyBinding)
        if not sbody:
            raise SOAPBindingError('Missing <binding name="%s"><operation name="%s"><input><soap:body>' %(
                port.binding.name, bop.name))

        self.encodingStyle = None
        if sbody.use == 'encoded':
            assert sbody.encodingStyle == SOAP.ENC,\
                'Supporting encodingStyle=%s, not %s'%(SOAP.ENC, sbody.encodingStyle)
            self.encodingStyle = sbody.encodingStyle

        self.inputName  = op.getInputMessage().name
        self.inputSimpleType = \
            FromMessageGetSimpleElementDeclaration(op.getInputMessage())
        self.inputAction = op.getInputAction()
        self.soap_input_headers = bop.input.findBindings(WSDLTools.SoapHeaderBinding)

        if bop.output is not None:
            sbody = bop.output.findBinding(WSDLTools.SoapBodyBinding)
            if not item.output:
                raise WSDLFormatError, "Operation %s, no match for output binding"  %name

            self.outputName = op.getOutputMessage().name
            self.outputSimpleType = \
                FromMessageGetSimpleElementDeclaration(op.getOutputMessage())
            self.outputAction = op.getOutputAction()
            self.soap_output_headers = bop.output.findBindings(WSDLTools.SoapHeaderBinding)    
        
    def _setContent(self):
        '''create string representation of operation.
        '''
        kwstring = 'kw = {}'
        tCheck = 'if isinstance(request, %s) is False:' % self.inputName
        bindArgs = ''
        if self.encodingStyle is not None:
            bindArgs = 'encodingStyle="%s", ' %self.encodingStyle

        if self.useWSA:
            wsactionIn = 'wsaction = "%s"' % self.inputAction
            wsactionOut = 'wsaction = "%s"' % self.outputAction
            bindArgs += 'wsaction=wsaction, endPointReference=self.endPointReference, '
            responseArgs = ', wsaction=wsaction'
        else:
            wsactionIn = '# no input wsaction'
            wsactionOut = '# no output wsaction'
            responseArgs = ''

        bindArgs += '**kw)'

        if self.do_extended:
            inputName = self.getOperation().getInputMessage().name
            wrap_str = ""
            partsList = self.getOperation().getInputMessage().parts.values()
            try:
                subNames = GetPartsSubNames(partsList, self._wsdl)
            except TypeError, ex:
                raise Wsdl2PythonError,\
                    "Extended generation failure: only supports doc/lit, "\
                    +"and all element attributes (<message><part element="\
                    +"\"my:GED\"></message>) must refer to single global "\
                    +"element declaration with complexType content.  "\
                    +"\n\n**** TRY WITHOUT EXTENDED ****\n"
                
            args = []
            for pa in subNames:
                args += pa

            for arg in args:
                wrap_str += "%srequest.%s = %s\n" % (ID2,
                                                     self.getAttributeName(arg),
                                                     self.mangle(arg))

            #args = [pa.name for pa in self.getOperation().getInputMessage().parts.values()]
            argsStr = ",".join(args)
            if len(argsStr) > 1: # add inital comma if args exist
                argsStr = ", " + argsStr

            method = [
                '%s# op: %s' % (ID1, self.getOperation().getInputMessage()),
                '%sdef %s(self%s):' % (ID1, self.name, argsStr),
                '\n%srequest = %s()' % (ID2, self.inputName),
                '%s' % (wrap_str),
                '%s%s' % (ID2, kwstring),
                '%s%s' % (ID2, wsactionIn),
                '%sself.binding.Send(None, None, request, soapaction="%s", %s'\
                %(ID2, self.soapaction, bindArgs),
            ]
        elif self.soap_input_headers:
            method = [
                '%s# op: %s' % (ID1, self.name),
                '%sdef %s(self, request, soapheaders=(), **kw):' % (ID1, self.name),
                '%s%s' % (ID2, tCheck),
                '%sraise TypeError, "%%s incorrect request type" %% (%s)' %(ID3, 'request.__class__'),
                '%s%s' % (ID2, wsactionIn),
                '%s# TODO: Check soapheaders' % (ID2),
                '%sself.binding.Send(None, None, request, soapaction="%s", soapheaders=soapheaders, %s'\
                %(ID2, self.soapaction, bindArgs),
            ]
        else:
            method = [
                '%s# op: %s' % (ID1, self.name),
                '%sdef %s(self, request, **kw):' % (ID1, self.name),
                '%s%s' % (ID2, tCheck),
                '%sraise TypeError, "%%s incorrect request type" %% (%s)' %(ID3, 'request.__class__'),
                '%s%s' % (ID2, wsactionIn),
                '%sself.binding.Send(None, None, request, soapaction="%s", %s'\
                %(ID2, self.soapaction, bindArgs),
            ]
        #
        # BP 1.0: rpc/literal
        # WSDL 1.1 Section 3.5 could be interpreted to mean the RPC response 
        # wrapper element must be named identical to the name of the 
        # wsdl:operation.
        # R2729

        #    
        # SOAP-1.1 Note: rpc/encoded
        # Each parameter accessor has a name corresponding to the name of the 
        # parameter and type corresponding to the type of the parameter. The name of 
        # the return value accessor is not significant. Likewise, the name of the struct is 
        # not significant. However, a convention is to name it after the method name 
        # with the string "Response" appended.
        #   
        if not self.outputName:
            method.append('%s#check for soap, assume soap:fault' %(ID2,))
            method.append('%sif self.binding.IsSOAP(): self.binding.Receive(None, **kw)' % (ID2,))
            self.writeArray(method)
            return
        
        response = ['%s%s' % (ID2, wsactionOut),]
        if self.isRPC() and not self.isLiteral():
            # rpc/encoded Replace wrapper name with None
            response.append(\
                '%stypecode = Struct(pname=None, ofwhat=%s.typecode.ofwhat, pyclass=%s.typecode.pyclass)' %(
                     ID2, self.outputName, self.outputName)
                )
            response.append(\
                '%sresponse = self.binding.Receive(typecode%s)' %(
                     ID2, responseArgs)
                )
        else:
            response.append(\
                '%sresponse = self.binding.Receive(%s.typecode%s)' %(
                     ID2, self.outputName, responseArgs)
                )

        # only support lit
        if self.soap_output_headers:
            sh = '['
            for shb in self.soap_output_headers:
                #shb.encodingStyle, shb.use, shb.namespace
                shb.message
                shb.part
                try:
                    msg = self._wsdl.messages[shb.message]
                    part = msg.parts[shb.part]
                    if part.element is not None:
                        sh += 'GED%s,' %str(part.element)
                    else:
                        warnings.warn('skipping soap output header in Message "%s"' %str(msg))
                except:
                    raise WSDLFormatError(
                      'failure processing output header typecodes, ' +
                      'could not find message "%s" or its part "%s"' %(
                               shb.message, shb.part)
                    )
                                 
            sh += ']'
            if len(sh) > 2:
                response.append(\
                '%sself.soapheaders = self.binding.ps.ParseHeaderElements(%s)' %(ID2, sh)
                )

        if self.outputSimpleType:
            response.append('%sreturn %s(response)' %(ID2, self.outputName))
        else: 
            if self.do_extended:
                partsList = self.getOperation().getOutputMessage().parts.values()
                subNames = GetPartsSubNames(partsList, self._wsdl)
                args = []
                for pa in subNames:
                    args += pa

                for arg in args:
                    response.append('%s%s = response.%s' % (ID2, self.mangle(arg), self.getAttributeName(arg)) )
                margs = ",".join(args)
                response.append("%sreturn %s" % (ID2, margs) )
            else:
                response.append('%sreturn response' %ID2)
        method += response

        self.writeArray(method)


class BindingDescription(ServiceContainerBase):
    '''writes out SOAP Binding class

    class variables:
        readerclass --  
        writerclass --
        operationclass -- representation of each operation.
    '''
    readerclass = None
    writerclass = None
    operationclass = ServiceOperationContainer
    logger = _GetLogger("BindingDescription")
    
    def __init__(self, useWSA=False, do_extended=False, wsdl=None):
        '''Parameters:
        name -- binding name
        property -- resource properties
        useWSA   -- boolean, enable ws-addressing
        name -- binding name
        '''
        ServiceContainerBase.__init__(self)
        self.useWSA = useWSA
        self.rProp = None
        #self.bName = None
        self.operations = None
        self.do_extended = do_extended
        self._wsdl = wsdl # None unless do_extended == True

    def setReaderClass(cls, className):
        '''specify a reader class name, this must be imported
        in service module.
        '''
        cls.readerclass = className
    setReaderClass = classmethod(setReaderClass)

    def setWriterClass(cls, className):
        '''specify a writer class name, this must be imported
        in service module.
        '''
        cls.writerclass = className 
    setWriterClass = classmethod(setWriterClass)
    
    def setOperationClass(cls, className):
        '''specify an operation container class name.
        '''
        cls.operationclass = className
    setOperationClass = classmethod(setOperationClass)

    def setUp(self, item):
        '''This method finds all SOAP Binding Operations, it will skip 
        all bindings that are not SOAP.  
        item -- WSDL.Binding instance
        '''
        assert isinstance(item, WSDLTools.Binding), \
              'expecting WSDLTools Binding instance'

        portType = item.getPortType()
        self._kwargs = KW.copy()
        self._kwargs['bind'] = NC_to_CN(item.name)
        self.operations = []
        self.rProp = portType.getResourceProperties() 
        soap_binding = item.findBinding(WSDLTools.SoapBinding)
        if soap_binding is None:
            raise Wsdl2PythonError,\
                'Binding(%s) missing WSDLTools.SoapBinding' %item.name

        for bop in item.operations:
            soap_bop = bop.findBinding(WSDLTools.SoapOperationBinding)
            if soap_bop is None:
                self.logger.warning(\
                    'Skip Binding(%s) operation(%s) no SOAP Binding Operation'\
                    %(item.name, bop.name),
                )
                continue

            #soapAction = soap_bop.soapAction
            if bop.input is not None:
                soapBodyBind = bop.input.findBinding(WSDLTools.SoapBodyBinding)
                if soapBodyBind is None:
                    self.logger.warning(\
                        'Skip Binding(%s) operation(%s) Bindings(%s) not supported'\
                        %(item.name, bop.name, bop.extensions)
                    )
                    continue
                
            op = portType.operations.get(bop.name)
            if op is None:
                raise Wsdl2PythonError,\
                    'no matching portType/Binding operation(%s)' % bop.name
                    
            c = self.operationclass(useWSA=self.useWSA, 
                    do_extended=self.do_extended)
            c.setUp(bop)
            self.operations.append(c)

    def _setContent(self):
        if self.useWSA is True:
            args = 'endPointReference=None, **kw'
            epr = 'self.endPointReference = endPointReference'
        else:
            args = '**kw'
            epr      = '# no ws-addressing'

        if self.rProp:
            rp = 'kw.setdefault("ResourceProperties", ("%s","%s"))'\
                %(self.rProp[0], self.rProp[1])
        else:
            rp = '# no resource properties'

        kwargs = self._kwargs
        kwargs.update(dict(suffix=self.clientClassSuffix, 
            args=args, epr=epr, rp=rp, readerclass=self.readerclass, 
            writerclass=self.writerclass,))

        methods = [
            '# Methods',
            'class %(bind)s%(suffix)s:' %kwargs,
            '%(ID1)sdef __init__(self, url, %(args)s):' %kwargs,
            '%(ID2)skw.setdefault("readerclass", %(readerclass)s)' %kwargs,
            '%(ID2)skw.setdefault("writerclass", %(writerclass)s)' %kwargs,
            '%(ID2)s%(rp)s' % kwargs,
            '%(ID2)sself.binding = client.Binding(url=url, **kw)' %kwargs,
            '%(ID2)s%(epr)s' % kwargs,
            ]

        for op in self.operations:
            methods += [ op.getvalue() ]

        self.writeArray(methods)

ServiceOperationsClassContainer = BindingDescription


class MessageContainerInterface:
    logger = _GetLogger("MessageContainerInterface")
    
    def setUp(self, port, soc, input):
        '''sets the attribute _simple which represents a 
        primitive type message represents, or None if not primitive.
 
        soc -- WSDLTools.ServiceOperationContainer instance
        port -- WSDLTools.Port instance
        input-- boolean, input messasge or output message of operation.
        '''
        raise NotImplementedError, 'Message container must implemented setUp.'


class ServiceDocumentLiteralMessageContainer(ServiceContainerBase, 
                                             MessageContainerInterface):
    logger = _GetLogger("ServiceDocumentLiteralMessageContainer")

    def __init__(self, do_extended=False):

        ServiceContainerBase.__init__(self)
        self.do_extended=do_extended

    def setUp(self, port, soc, input):
        content = self.content
        # TODO: check soapbody for part name
        simple = self._simple = soc.isSimpleType(soc.getOperationName())
        name = soc.getOperationName()

        # Document/literal
        operation = port.getBinding().getPortType().operations.get(name)
        bop = port.getBinding().operations.get(name)
        soapBodyBind = None
        if input is True:
            soapBodyBind = bop.input.findBinding(WSDLTools.SoapBodyBinding)
            message = operation.getInputMessage()
        else:
            soapBodyBind = bop.output.findBinding(WSDLTools.SoapBodyBinding)
            message = operation.getOutputMessage()
            
        # using underlying data structure to avoid phantom problem.
        # with message.parts.data.values() 
        if len(message.parts) == 0:
            raise Wsdl2PythonError, 'must specify part for doc/lit msg'        
        
        p = None
        if soapBodyBind.parts is not None:
            if len(soapBodyBind.parts) > 1:
                raise Wsdl2PythonError,\
                    'not supporting multiple parts in soap body'
            if len(soapBodyBind.parts) == 0:
                return
            
            p = message.parts.get(soapBodyBind.parts[0])
        
        # XXX: Allow for some slop
        p = p or message.parts[0]
    
        if p.type:
            raise  Wsdl2PythonError, 'no doc/lit suport for <part type>'
        
        if not p.element:
            return
        
        self.ns = p.element[0]
        content.ns = p.element[0]
        content.pName = p.element[1]
        content.mName = message.name
        
    def _setContent(self):
        '''create string representation of doc/lit message container.  If 
        message element is simple(primitive), use python type as base class.
        '''
        try:
            simple = self._simple
        except AttributeError:
            raise RuntimeError, 'call setUp first'
        
        # TODO: Hidden contract.  Must set self.ns before getNSAlias...
        #  File "/usr/local/python/lib/python2.4/site-packages/ZSI/generate/containers.py", line 625, in _setContent
        #    kw['message'],kw['prefix'],kw['typecode'] = \
        #  File "/usr/local/python/lib/python2.4/site-packages/ZSI/generate/containers.py", line 128, in getNSAlias
        #    raise ContainerError, 'no self.ns attr defined in %s' % self.__class__
        # ZSI.generate.containers.ContainerError: no self.ns attr defined in ZSI.generate.containers.ServiceDocumentLiteralMessageContainer
        #            
#        self.ns = self.content.ns
        
        
        kw = KW.copy()
        kw.update(dict(message=self.content.mName, nsuri=self.content.ns,
                       name=self.content.pName))
        
#        kw['message'],kw['prefix'],kw['typecode'] = \
#            self.content.mName, self.getNSAlias(), element_class_name(self.content.pName)
#        
        # These messsages are just global element declarations
#        self.writeArray(['%(message)s = %(prefix)s.%(typecode)s().pyclass' %kw])
        self.writeArray(['%(message)s = GED("%(nsuri)s", "%(name)s").pyclass' %kw])

class ServiceRPCEncodedMessageContainer(ServiceContainerBase, MessageContainerInterface):
    logger = _GetLogger("ServiceRPCEncodedMessageContainer")

    def setUp(self, port, soc, input):
        '''
        Instance Data: 
           op    -- WSDLTools Operation instance
           bop   -- WSDLTools BindingOperation instance
           input -- boolean input/output
        '''
        name = soc.getOperationName()
        bop = port.getBinding().operations.get(name)
        op = port.getBinding().getPortType().operations.get(name)

        assert op is not None, 'port has no operation %s' %name
        assert bop is not None, 'port has no binding operation %s' %name

        self.input = input
        self.op = op
        self.bop = bop

    def _setContent(self):
        try: 
            self.op
        except AttributeError:
            raise RuntimeError, 'call setUp first'

        pname = self.op.name
        msgRole = self.op.input
        msgRoleB = self.bop.input
        if self.input is False:
            pname = '%sResponse' %self.op.name
            msgRole = self.op.output
            msgRoleB = self.bop.output

        sbody = msgRoleB.findBinding(WSDLTools.SoapBodyBinding)
        if not sbody or not sbody.namespace:
            raise WSInteropError, WSISpec.R2717

        assert sbody.use == 'encoded', 'Expecting use=="encoded"'
        encodingStyle = sbody.encodingStyle

        assert encodingStyle == SOAP.ENC,\
            'Supporting encodingStyle=%s, not %s' %(SOAP.ENC, encodingStyle)

        namespace = sbody.namespace
        tcb = MessageTypecodeContainer(\
                  tuple(msgRole.getMessage().parts.list),
              )
        ofwhat = '[%s]' %tcb.getTypecodeList()
        pyclass = msgRole.getMessage().name

        fdict = KW.copy()
        fdict['nspname'] = sbody.namespace
        fdict['pname'] = pname
        fdict['pyclass'] = None
        fdict['ofwhat'] = ofwhat
        fdict['encoded'] = namespace
 
        #if self.input is False:
        #    fdict['typecode'] = \
        #        'Struct(pname=None, ofwhat=%(ofwhat)s, pyclass=%(pyclass)s, encoded="%(encoded)s")'
        #else:
        fdict['typecode'] = \
            'Struct(pname=("%(nspname)s","%(pname)s"), ofwhat=%(ofwhat)s, pyclass=%(pyclass)s, encoded="%(encoded)s")'

        message = ['class %(pyclass)s:',
                    '%(ID1)sdef __init__(self, **kw):',
                    '%(ID2)s"""Keyword parameters:',
                    ]
                    
        idx = len(message)
        for a,p in zip(tcb.getAttributeNames(), tcb.getParameterNames()):
            message.insert(idx, '%(ID2)s' + p + ' -- part ' + p)
            message.append('%(ID2)sself.' + a + ' =  kw.get("%s")' %p)
            idx += 1
            
        message.insert(idx, '%(ID2)s"""')
                    
        # TODO: This isn't a TypecodeContainerBase instance but it
        #    certaintly generates a pyclass and typecode.
        #if self.metaclass is None:
        if TypecodeContainerBase.metaclass is None:
            fdict['pyclass'] = pyclass
            fdict['typecode'] = fdict['typecode'] %fdict
            message.append('%(pyclass)s.typecode = %(typecode)s')
        else:
            # Need typecode to be available when class is constructed.
            fdict['typecode'] = fdict['typecode'] %fdict
            fdict['pyclass'] = pyclass
            fdict['metaclass'] = TypecodeContainerBase.metaclass
            message.insert(0, '_%(pyclass)sTypecode = %(typecode)s')
            message.insert(2, '%(ID1)stypecode = _%(pyclass)sTypecode')
            message.insert(3, '%(ID1)s__metaclass__ = %(metaclass)s')
            message.append('%(pyclass)s.typecode.pyclass = %(pyclass)s')
 
        self.writeArray(map(lambda l: l %fdict, message))


class ServiceRPCLiteralMessageContainer(ServiceContainerBase, MessageContainerInterface):
    logger = _GetLogger("ServiceRPCLiteralMessageContainer")

    def setUp(self, port, soc, input):
        '''
        Instance Data: 
           op    -- WSDLTools Operation instance
           bop   -- WSDLTools BindingOperation instance
           input -- boolean input/output
        '''
        name = soc.getOperationName()
        bop = port.getBinding().operations.get(name)
        op = port.getBinding().getPortType().operations.get(name)

        assert op is not None, 'port has no operation %s' %name
        assert bop is not None, 'port has no binding operation %s' %name

        self.op = op
        self.bop = bop
        self.input = input

    def _setContent(self):
        try:
            self.op
        except AttributeError:
            raise RuntimeError, 'call setUp first' 

        operation = self.op
        input = self.input
        pname = operation.name
        msgRole = operation.input
        msgRoleB = self.bop.input
        if input is False:
            pname = '%sResponse' %operation.name
            msgRole = operation.output
            msgRoleB = self.bop.output

        sbody = msgRoleB.findBinding(WSDLTools.SoapBodyBinding)
        if not sbody or not sbody.namespace:            
            raise WSInteropError, WSISpec.R2717
        
        namespace = sbody.namespace
        tcb = MessageTypecodeContainer(\
                  tuple(msgRole.getMessage().parts.list),
              )
        ofwhat = '[%s]' %tcb.getTypecodeList()
        pyclass = msgRole.getMessage().name

        fdict = KW.copy()
        fdict['nspname'] = sbody.namespace
        fdict['pname'] = pname
        fdict['pyclass'] = None
        fdict['ofwhat'] = ofwhat
        fdict['encoded'] = namespace
        fdict['typecode'] = \
            'Struct(pname=("%(nspname)s","%(pname)s"), ofwhat=%(ofwhat)s, pyclass=%(pyclass)s, encoded="%(encoded)s")'

        message = ['class %(pyclass)s:',
                    '%(ID1)sdef __init__(self, **kw):',
                    '%(ID2)s"""Keyword parameters:',
                    ]
        
        idx = len(message)
        for a,p in zip(tcb.getAttributeNames(), tcb.getParameterNames()):
            message.insert(idx, '%(ID2)s' + p + ' -- part ' + p)
            message.append('%(ID2)sself.' + a + ' =  kw.get("%s")' %p)
            idx += 1
        
        message.insert(idx, '%(ID2)s"""')
                    
        # TODO: This isn't a TypecodeContainerBase instance but it
        #    certaintly generates a pyclass and typecode.
        #if self.metaclass is None:
        if TypecodeContainerBase.metaclass is None:
            fdict['pyclass'] = pyclass
            fdict['typecode'] = fdict['typecode'] %fdict
            message.append('%(pyclass)s.typecode = %(typecode)s')
        else:
            # Need typecode to be available when class is constructed.
            fdict['typecode'] = fdict['typecode'] %fdict
            fdict['pyclass'] = pyclass
            fdict['metaclass'] = TypecodeContainerBase.metaclass
            message.insert(0, '_%(pyclass)sTypecode = %(typecode)s')
            message.insert(2, '%(ID1)stypecode = _%(pyclass)sTypecode')
            message.insert(3, '%(ID1)s__metaclass__ = %(metaclass)s')
            message.append('%(pyclass)s.typecode.pyclass = %(pyclass)s')
 
        self.writeArray(map(lambda l: l %fdict, message))
        

TypesContainerBase = ContainerBase


class TypesHeaderContainer(TypesContainerBase):
    '''imports for all generated types modules.
    '''
    imports = [
        'import ZSI',
        'import ZSI.TCcompound',
        'from ZSI.schema import LocalElementDeclaration, ElementDeclaration, TypeDefinition, GTD, GED',
    ]
    logger = _GetLogger("TypesHeaderContainer")

    def _setContent(self):
        self.writeArray(TypesHeaderContainer.imports)


NamespaceClassContainerBase = TypesContainerBase
 

class NamespaceClassHeaderContainer(NamespaceClassContainerBase):
    logger = _GetLogger("NamespaceClassHeaderContainer")

    def _setContent(self):

        head = [
            '#' * 30,
            '# targetNamespace',
            '# %s' % self.ns,
            '#' * 30 + '\n',
            'class %s:' % self.getNSAlias(),
            '%stargetNamespace = "%s"' % (ID1, self.ns)
            ]

        self.writeArray(head)

class NamespaceClassFooterContainer(NamespaceClassContainerBase):
    logger = _GetLogger("NamespaceClassFooterContainer")

    def _setContent(self):

        foot = [
            '# end class %s (tns: %s)' % (self.getNSAlias(), self.ns),
            ]

        self.writeArray(foot)


BTI = BaseTypeInterpreter()
class TypecodeContainerBase(TypesContainerBase):
    '''Base class for all classes representing anything
    with element content.

    class variables:
        mixed_content_aname -- text content will be placed in this attribute.
        attributes_aname -- attributes will be placed in this attribute.
        metaclass -- set this attribute to specify a pyclass __metaclass__
    '''
    mixed_content_aname = 'text'
    attributes_aname = 'attrs'
    metaclass = None
    lazy = False
    logger = _GetLogger("TypecodeContainerBase")

    def __init__(self, do_extended=False, extPyClasses=None):
        TypesContainerBase.__init__(self)    
        self.name = None

        # attrs for model groups and others with elements, tclists, etc...
        self.allOptional = False
        self.mgContent = None
        self.contentFlattened = False
        self.elementAttrs = []
        self.tcListElements = []
        self.tcListSet = False

        self.localTypes = []

        # used when processing nested anonymous types
        self.parentClass = None

        # used when processing attribute content
        self.mixed = False
        self.extraFlags = ''
        self.attrComponents = None

        # --> EXTENDED
        # Used if an external pyclass was specified for this type.
        self.do_extended = do_extended
        if extPyClasses is None:
            self.extPyClasses = {}
        else:
            self.extPyClasses = extPyClasses
        # <--

    def getvalue(self):
        out = ContainerBase.getvalue(self)
        for item in self.localTypes:
            content = None
            assert True is item.isElement() is item.isLocal(), 'expecting local elements only'

            etp = item.content
            qName = item.getAttribute('type')
            if not qName:
                etp = item.content
                local = True
            else:
                etp = item.getTypeDefinition('type')

            if etp is None:
                if local is True:
                    content = ElementLocalComplexTypeContainer(do_extended=self.do_extended)
                else:
                    content = ElementSimpleTypeContainer()
            elif etp.isLocal() is False:
                content = ElementGlobalDefContainer()
            elif etp.isSimple() is True:
                content = ElementLocalSimpleTypeContainer()
            elif etp.isComplex():
                content = ElementLocalComplexTypeContainer(do_extended=self.do_extended)
            else:
                raise Wsdl2PythonError, "Unknown element declaration: %s" %item.getItemTrace()

            content.setUp(item)

            out += '\n\n'
            if self.parentClass:
                content.parentClass = \
                    '%s.%s' %(self.parentClass, self.getClassName())
            else:
                content.parentClass = '%s.%s' %(self.getNSAlias(), self.getClassName())

            for l in content.getvalue().split('\n'):
                if l: out += '%s%s\n' % (ID1, l)
                else: out += '\n'

            out += '\n\n'

        return out

    def getAttributeName(self, name):
        '''represents the aname
        '''
        if self.func_aname is None:
            return name
        assert callable(self.func_aname), \
            'expecting callable method for attribute func_aname, not %s' %type(self.func_aname)
        f = self.func_aname
        return f(name)

    def getMixedTextAName(self):
        '''returns an aname representing mixed text content.
        '''
        return self.getAttributeName(self.mixed_content_aname)

    def getClassName(self):

        if not self.name:
            raise ContainerError, 'self.name not defined!'
        if not hasattr(self.__class__, 'type'):
            raise ContainerError, 'container type not defined!'

        #suffix = self.__class__.type
        if self.__class__.type == DEF:
            classname = type_class_name(self.name)
        elif self.__class__.type == DEC:
            classname = element_class_name(self.name)

        return self.mangle( classname )

    # --> EXTENDED
    def hasExtPyClass(self):
        if self.name in self.extPyClasses:
            return True
        else:
            return False
    # <--

    def getPyClass(self):
        '''Name of generated inner class that will be specified as pyclass.
        '''
        # --> EXTENDED
        if self.hasExtPyClass():
            classInfo = self.extPyClasses[self.name]
            return ".".join(classInfo)
        # <-- 
        
        return 'Holder'
    
    def getPyClassDefinition(self):
        '''Return a list containing pyclass definition.
        '''
        kw = KW.copy()
        
        # --> EXTENDED
        if self.hasExtPyClass():
            classInfo = self.extPyClasses[self.name]
            kw['classInfo'] = classInfo[0]
            return ["%(ID3)simport %(classInfo)s" %kw ]
        # <--
        
        kw['pyclass'] = self.getPyClass()
        definition = []
        definition.append('%(ID3)sclass %(pyclass)s:' %kw)
        if self.metaclass is not None:
            kw['type'] = self.metaclass
            definition.append('%(ID4)s__metaclass__ = %(type)s' %kw)
        definition.append('%(ID4)stypecode = self' %kw)
        
        #TODO: Remove pyclass holder __init__ -->
        definition.append('%(ID4)sdef __init__(self):' %kw)
        definition.append('%(ID5)s# pyclass' %kw)

        # JRB HACK need to call _setElements via getElements
        self._setUpElements()
        
        # JRB HACK need to indent additional one level
        for el in self.elementAttrs:
            kw['element'] = el
            definition.append('%(ID2)s%(element)s' %kw)
        definition.append('%(ID5)sreturn' %kw)
        # <--
        
        # pyclass descriptive name
        if self.name is not None:
            kw['name'] = self.name
            definition.append(\
                '%(ID3)s%(pyclass)s.__name__ = "%(name)s_Holder"' %kw
                )

        return definition

    def nsuriLogic(self):
        '''set a variable "ns" that represents the targetNamespace in
        which this item is defined.  Used for namespacing local elements.
        '''
        if self.parentClass:
            return 'ns = %s.%s.schema' %(self.parentClass, self.getClassName())
        return 'ns = %s.%s.schema' %(self.getNSAlias(), self.getClassName())

    def schemaTag(self):
        if self.ns is not None:
            return 'schema = "%s"' % self.ns
        raise ContainerError, 'failed to set schema targetNamespace(%s)' %(self.__class__)
    
    def typeTag(self):
        if self.name is not None:
            return 'type = (schema, "%s")' % self.name
        raise ContainerError, 'failed to set type name(%s)' %(self.__class__)
    
    def literalTag(self):
        if self.name is not None:
            return 'literal = "%s"' % self.name
        raise ContainerError, 'failed to set element name(%s)' %(self.__class__)

    def getExtraFlags(self):
        if self.mixed:
            self.extraFlags += 'mixed=True, mixed_aname="%s", ' %self.getMixedTextAName()

        return self.extraFlags

    def simpleConstructor(self, superclass=None):

        if superclass:
            return '%s.__init__(self, **kw)' % superclass
        else:
            return 'def __init__(self, **kw):'

    def pnameConstructor(self, superclass=None):

        if superclass:
            return '%s.__init__(self, pname, **kw)' % superclass
        else:
            return 'def __init__(self, pname, **kw):'


    def _setUpElements(self):
        """TODO: Remove this method
        
        This method ONLY sets up the instance attributes.
        Dependency instance attribute:
            mgContent -- expected to be either a complex definition
                with model group content, a model group, or model group 
                content.  TODO: should only support the first two.
        """
        self.logger.debug("_setUpElements: %s" %self._item.getItemTrace())
        if hasattr(self, '_done'):
            #return '\n'.join(self.elementAttrs)
            return
        
        self._done = True
        flat = []
        content = self.mgContent
        if type(self.mgContent) is not tuple:
            mg = self.mgContent
            if not mg.isModelGroup(): 
                mg = mg.content
                
            content = mg.content
            if mg.isAll():
                flat = content
                content = [] 
            elif mg.isModelGroup() and mg.isDefinition():
                mg = mg.content
                content = mg.content            
    
        idx = 0
        content = list(content)
        while idx < len(content):
            c = orig = content[idx]
            if c.isElement():
                flat.append(c)
                idx += 1
                continue
            
            if c.isReference() and c.isModelGroup():
                c = c.getModelGroupReference()
                
            if c.isDefinition() and c.isModelGroup():
                c = c.content

            if c.isSequence() or c.isChoice():
                begIdx = idx
                endIdx = begIdx + len(c.content)
                for i in range(begIdx, endIdx):
                    content.insert(i, c.content[i-begIdx])
                    
                content.remove(orig)
                continue
            
            raise ContainerError, 'unexpected schema item: %s' %c.getItemTrace()
                
        for c in flat:
            if c.isDeclaration() and c.isElement():
                defaultValue = "None"
                parent = c
                defs = []
                # stop recursion via global ModelGroupDefinition 
                while defs.count(parent) <= 1:
                    maxOccurs = parent.getAttribute('maxOccurs')
                    if maxOccurs == 'unbounded' or int(maxOccurs) > 1:
                        defaultValue = "[]"
                        break
                        
                    parent = parent._parent()
                    if not parent.isModelGroup():
                        break
                    
                    if parent.isReference():
                        parent = parent.getModelGroupReference()
                        
                    if parent.isDefinition():
                        parent = parent.content
                        defs.append(parent)                
                
                if None ==  c.getAttribute('name') and c.isWildCard():
                    e = '%sself.%s = %s' %(ID3, 
                            self.getAttributeName('any'), defaultValue)
                else:
                    e = '%sself.%s = %s' %(ID3, 
                            self.getAttributeName(c.getAttribute('name')), defaultValue)
                self.elementAttrs.append(e)
                continue
                        
            # TODO: This seems wrong 
            if c.isReference():
                e = '%sself._%s = None' %(ID3,
                        self.mangle(c.getAttribute('ref')[1]))
                self.elementAttrs.append(e)
                continue
            
            raise ContainerError, 'unexpected item: %s' % c.getItemTrace()

        #return '\n'.join(self.elementAttrs)
        return

    def _setTypecodeList(self):
        """generates ofwhat content, minOccurs/maxOccurs facet generation.
        Dependency instance attribute:
            mgContent -- expected to be either a complex definition
                with model group content, a model group, or model group 
                content.  TODO: should only support the first two.
            localTypes -- produce local class definitions later
            tcListElements -- elements, local/global 
        """
        self.logger.debug("_setTypecodeList(%r): %s" %
                          (self.mgContent, self._item.getItemTrace()))
        
        flat = []
        content = self.mgContent
        
        #TODO: too much slop permitted here, impossible
        # to tell what is going on.
        
        if type(content) is not tuple:
            mg = content
            if not mg.isModelGroup():
                raise Wsdl2PythonErr("Expecting ModelGroup: %s" %
                                     mg.getItemTrace())
                
            self.logger.debug("ModelGroup(%r) contents(%r): %s" %
                  (mg, mg.content, mg.getItemTrace()))
            
            #<group ref>
            if mg.isReference():
                raise RuntimeError("Unexpected modelGroup reference: %s" %
                                   mg.getItemTrace())
            
            #<group name>
            if mg.isDefinition():
                mg = mg.content
                
            if mg.isAll():
                flat = mg.content
                content = [] 
            elif mg.isSequence():
                content = mg.content
            elif mg.isChoice():
                content = mg.content
            else:
                raise RuntimeError("Unknown schema item")
                
        idx = 0
        content = list(content)
        self.logger.debug("content: %r" %content)
        while idx < len(content):
            c = orig = content[idx]
            if c.isElement():
                flat.append(c)
                idx += 1
                continue
            
            if c.isReference() and c.isModelGroup():
                c = c.getModelGroupReference()
                
            if c.isDefinition() and c.isModelGroup():
                c = c.content
                
            if c.isSequence() or c.isChoice():
                begIdx = idx
                endIdx = begIdx + len(c.content)
                for i in range(begIdx, endIdx):
                    content.insert(i, c.content[i-begIdx])
                    
                content.remove(orig)
                continue
            
            raise ContainerError, 'unexpected schema item: %s' %c.getItemTrace()

        # TODO: Need to store "parents" in a dict[id] = list(),
        #    because cannot follow references, but not currently
        #    a big concern. 
        
        self.logger.debug("flat: %r" %list(flat))
        for c in flat:
            tc = TcListComponentContainer()
            # TODO: Remove _getOccurs
            min,max,nil = self._getOccurs(c)
            min = max = None
            maxOccurs = 1
            
            parent = c
            defs = []
            # stop recursion via global ModelGroupDefinition 
            while defs.count(parent) <= 1:
                max = parent.getAttribute('maxOccurs')
                if max == 'unbounded':
                    maxOccurs = '"%s"' %max 
                    break
                
                maxOccurs = int(max) * maxOccurs
                parent = parent._parent()
                if not parent.isModelGroup():
                    break
                
                if parent.isReference():
                    parent = parent.getModelGroupReference()
                    
                if parent.isDefinition():
                    parent = parent.content
                    defs.append(parent)
                
            del defs
            parent = c
            while 1:
                minOccurs = int(parent.getAttribute('minOccurs'))
                if minOccurs == 0 or parent.isChoice():
                    minOccurs = 0
                    break
                
                parent = parent._parent()
                if not parent.isModelGroup():
                    minOccurs = int(c.getAttribute('minOccurs'))
                    break
                
                if parent.isReference():
                    parent = parent.getModelGroupReference()
                    
                if parent.isDefinition():
                    parent = parent.content       
            
            tc.setOccurs(minOccurs, maxOccurs, nil)
            processContents = self._getProcessContents(c)
            tc.setProcessContents(processContents)
            if c.isDeclaration() and c.isElement():
                global_type = c.getAttribute('type')
                content = getattr(c, 'content', None)
                if c.isLocal() and c.isQualified() is False:
                    tc.unQualified()

                if c.isWildCard():
                    tc.setStyleAnyElement()
                elif global_type is not None:
                    tc.name = c.getAttribute('name')
                    ns = global_type[0]
                    #APACHE.AXIS_NS is for DataHandler type
                    if ns in SCHEMA.XSD_LIST + [APACHE.AXIS_NS]:
                        tpc = BTI.get_typeclass(global_type[1],global_type[0])
                        tc.klass = tpc
#                    elif (self.ns,self.name) == global_type:
#                        # elif self._isRecursiveElement(c)
#                        # TODO: Remove this, it only works for 1 level.
#                        tc.setStyleRecursion()
                    else:
                        tc.setGlobalType(*global_type)
#                        tc.klass = '%s.%s' % (NAD.getAlias(ns),
#                            type_class_name(global_type[1]))
                    del ns
                elif content is not None and content.isLocal() and content.isComplex():
                    tc.name = c.getAttribute('name')
                    tc.klass = 'self.__class__.%s' % (element_class_name(tc.name))
                    #TODO: Not an element reference, confusing nomenclature
                    tc.setStyleElementReference()
                    self.localTypes.append(c)
                elif content is not None and content.isLocal() and content.isSimple():
                    # Local Simple Type
                    tc.name = c.getAttribute('name')
                    tc.klass = 'self.__class__.%s' % (element_class_name(tc.name))
                    #TODO: Not an element reference, confusing nomenclature
                    tc.setStyleElementReference()
                    self.localTypes.append(c)
                else:
                    raise ContainerError, 'unexpected item: %s' % c.getItemTrace()

            elif c.isReference():
                # element references
                ref = c.getAttribute('ref')
#                tc.klass = '%s.%s' % (NAD.getAlias(ref[0]),
#                                          element_class_name(ref[1]) )
                tc.setStyleElementReference()
                tc.setGlobalType(*ref)
            else:
                raise ContainerError, 'unexpected item: %s' % c.getItemTrace()

            self.tcListElements.append(tc)

    def getTypecodeList(self):
        if not self.tcListSet:
#            self._flattenContent()
            self._setTypecodeList()
            self.tcListSet = True

        list = []
        for e in self.tcListElements:
            list.append(str(e))

        return ', '.join(list)

    # the following _methods() are utility methods used during
    # TCList generation, et al.
    
    def _getOccurs(self, e):
        
        nillable = e.getAttribute('nillable')
        if nillable == 'true':
            nillable = True
        else:
            nillable = False
            
        maxOccurs = e.getAttribute('maxOccurs')
        if maxOccurs == 'unbounded':
            maxOccurs = '"%s"' %maxOccurs
            
        minOccurs = e.getAttribute('minOccurs')
        
        if self.allOptional is True:
            #JRB Hack
            minOccurs = '0'
            maxOccurs = '"unbounded"'

        return minOccurs,maxOccurs,nillable

    def _getProcessContents(self, e):
        processContents = e.getAttribute('processContents')
        return processContents

    def getBasesLogic(self, indent):
        try:
            prefix = NAD.getAlias(self.sKlassNS)
        except WsdlGeneratorError, ex:
            # XSD or SOAP
            raise

        bases = []
        bases.append(\
            'if %s.%s not in %s.%s.__bases__:'\
            %(NAD.getAlias(self.sKlassNS), type_class_name(self.sKlass), self.getNSAlias(), self.getClassName()),
        )
        bases.append(\
            '%sbases = list(%s.%s.__bases__)'\
            %(ID1,self.getNSAlias(),self.getClassName()),
        )
        bases.append(\
            '%sbases.insert(0, %s.%s)'\
            %(ID1,NAD.getAlias(self.sKlassNS), type_class_name(self.sKlass) ),
        )
        bases.append(\
            '%s%s.%s.__bases__ = tuple(bases)'\
            %(ID1, self.getNSAlias(), self.getClassName())
        )

        s = ''
        for b in bases:
            s += '%s%s\n' % (indent, b)

        return s


class MessageTypecodeContainer(TypecodeContainerBase):
    '''Used for RPC style messages, where we have 
    serveral parts serialized within a rpc wrapper name.
    '''
    logger = _GetLogger("MessageTypecodeContainer")

    def __init__(self, parts=None):
        TypecodeContainerBase.__init__(self)
        self.mgContent = parts

    def _getOccurs(self, e):
        '''return a 3 item tuple 
        '''
        minOccurs = maxOccurs = '1'
        nillable = True
        return minOccurs,maxOccurs,nillable

    def _setTypecodeList(self):
        self.logger.debug("_setTypecodeList: %s" %
            str(self.mgContent))
        
        assert type(self.mgContent) is tuple,\
            'expecting tuple for mgContent not: %s' %type(self.mgContent)

        for p in self.mgContent:
            # JRB
            #   not sure what needs to be set for tc, this should be
            #   the job of the constructor or a setUp method.
            min,max,nil = self._getOccurs(p)
            if p.element:
                raise  WSInteropError, WSISpec.R2203
            elif p.type: 
                nsuri,name = p.type
                tc = RPCMessageTcListComponentContainer(qualified=False)
                tc.setOccurs(min, max, nil)
                tc.name = p.name
                if nsuri in XMLSchema.BUILT_IN_NAMESPACES: 
                    tpc = BTI.get_typeclass(name, nsuri)
                    tc.klass = tpc
                else:
                    tc.klass = '%s.%s' % (NAD.getAlias(nsuri), type_class_name(name) )
            else:
                raise ContainerError, 'part must define an element or type attribute'

            self.tcListElements.append(tc)

    def getTypecodeList(self):
        if not self.tcListSet:
            self._setTypecodeList()
            self.tcListSet = True

        list = []
        for e in self.tcListElements:
            list.append(str(e))
        return ', '.join(list)

    def getAttributeNames(self):
        '''returns a list of anames representing the parts
        of the message.
        '''
        return map(lambda e: self.getAttributeName(e.name), self.tcListElements)

    def getParameterNames(self):
        '''returns a list of pnames representing the parts
        of the message.
        '''
        return map(lambda e: e.name, self.tcListElements)
    
    def setParts(self, parts):
        self.mgContent = parts


class TcListComponentContainer(ContainerBase):
    '''Encapsulates a single value in the TClist list.
    it inherits TypecodeContainerBase only to get the mangle() method,
    it does not call the baseclass ctor.
    
    TODO: Change this inheritance scheme.
    '''
    logger = _GetLogger("TcListComponentContainer")
    
    def __init__(self, qualified=True):
        '''
        qualified -- qualify element.  All GEDs should be qualified,
            but local element declarations qualified if form attribute
            is qualified, else they are unqualified. Only relevant for
            standard style.
        '''
        #TypecodeContainerBase.__init__(self)
        ContainerBase.__init__(self)

        self.qualified = qualified
        self.name = None
        self.klass = None
        self.global_type = None
        
        self.min = None
        self.max = None
        self.nil = None
        self.style = None
        self.setStyleElementDeclaration()

    def setOccurs(self, min, max, nil):
        self.min = min
        self.max = max
        self.nil = nil

    def setProcessContents(self, processContents):
        self.processContents = processContents

    def setGlobalType(self, namespace, name):
        self.global_type = (namespace, name)
        
    def setStyleElementDeclaration(self):
        '''set the element style.
            standard -- GED or local element
        '''
        self.style = 'standard'

    def setStyleElementReference(self):
        '''set the element style.
            ref -- element reference
        '''
        self.style = 'ref'

    def setStyleAnyElement(self):
        '''set the element style.
            anyElement -- <any> element wildcard
        '''
        self.name = 'any'
        self.style = 'anyElement'

#    def setStyleRecursion(self):
#        '''TODO: Remove.  good for 1 level 
#        '''
#        self.style = 'recursion'

    def unQualified(self):
        '''Do not qualify element.
        '''
        self.qualified = False

    def _getOccurs(self):
        return 'minOccurs=%s, maxOccurs=%s, nillable=%s' \
               % (self.min, self.max, self.nil)

    def _getProcessContents(self):
        return 'processContents="%s"' \
               % (self.processContents)

    def _getvalue(self):
        kw = {'occurs':self._getOccurs(), 
              'aname':self.getAttributeName(self.name),
              'klass':self.klass,
              'lazy':TypecodeContainerBase.lazy,
              'typed':'typed=False',
              'encoded':'encoded=kw.get("encoded")'}
        
        gt = self.global_type
        if gt is not None:
            kw['nsuri'],kw['type'] = gt
            
        if self.style == 'standard':
            kw['pname'] = '"%s"' %self.name
            if self.qualified is True:
                kw['pname'] =  '(ns,"%s")' %self.name
            if gt is None:
                return '%(klass)s(pname=%(pname)s, aname="%(aname)s", %(occurs)s, %(typed)s, %(encoded)s)' %kw
            return 'GTD("%(nsuri)s","%(type)s",lazy=%(lazy)s)(pname=%(pname)s, aname="%(aname)s", %(occurs)s, %(typed)s, %(encoded)s)' %kw
        
        if self.style == 'ref':
            if gt is None:
                return '%(klass)s(%(occurs)s, %(encoded)s)' %kw
            return 'GED("%(nsuri)s","%(type)s",lazy=%(lazy)s, isref=True)(%(occurs)s, %(encoded)s)' %kw
        
        kw['process'] = self._getProcessContents()
        if self.style == 'anyElement':
            return 'ZSI.TC.AnyElement(aname="%(aname)s", %(occurs)s, %(process)s)' %kw
                  
#        if self.style == 'recursion':
#            return 'ZSI.TC.AnyElement(aname="%(aname)s", %(occurs)s, %(process)s)' %kw

        raise RuntimeError, 'Must set style for typecode list generation'
    
    def __str__(self):
        return self._getvalue()
   
 
class RPCMessageTcListComponentContainer(TcListComponentContainer):
    '''Container for rpc/literal rpc/encoded message typecode.
    '''
    logger = _GetLogger("RPCMessageTcListComponentContainer")

    def __init__(self, qualified=True, encoded=None):
        '''
        encoded -- encoded namespaceURI, if None treat as rpc/literal.
        '''
        TcListComponentContainer.__init__(self, qualified=qualified)
        self._encoded = encoded
 
    def _getvalue(self):
        encoded = self._encoded
        if encoded is not None:
            encoded = '"%s"' %self._encoded

        if self.style == 'standard':
            pname = '"%s"' %self.name
            if self.qualified is True:
                pname = '(ns,"%s")' %self.name
            return '%s(pname=%s, aname="%s", typed=False, encoded=%s, %s)' \
                   %(self.klass, pname, self.getAttributeName(self.name), 
                     encoded, self._getOccurs())
        elif self.style == 'ref':
            return '%s(encoded=%s, %s)' % (self.klass, encoded, self._getOccurs())
        elif self.style == 'anyElement':
            return 'ZSI.TC.AnyElement(aname="%s", %s, %s)' \
                %(self.getAttributeName(self.name), self._getOccurs(), self._getProcessContents())
#        elif self.style == 'recursion':
#            return 'ZSI.TC.AnyElement(aname="%s", %s, %s)' \
#                % (self.getAttributeName(self.name), self._getOccurs(), self._getProcessContents())

        raise RuntimeError('Must set style(%s) for typecode list generation' %
                           self.style)
   

class ElementSimpleTypeContainer(TypecodeContainerBase):
    type = DEC
    logger = _GetLogger("ElementSimpleTypeContainer")

    def _substitutionGroupTag(self):
        value = self.substitutionGroup
        if not value:
            return 'substitutionGroup = None'
  
        nsuri,ncname = value
        return 'substitutionGroup = ("%s","%s")' %(nsuri, ncname)
        
    def _setContent(self):
        aname = self.getAttributeName(self.name)
        pyclass = self.pyclass

        # bool cannot be subclassed
        if pyclass == 'bool': pyclass = 'int'
        kw = KW.copy()
        kw.update(dict(aname=aname, ns=self.ns, name=self.name, 
                       pname=(self.ns,self.name),
                       substitutionGroup=self._substitutionGroupTag(),
                       subclass=self.sKlass,literal=self.literalTag(),
                       schema=self.schemaTag(), init=self.simpleConstructor(),
                       klass=self.getClassName(), element="ElementDeclaration"))

        # 
        # TODO: What does this local check do???? relevant for 
        # [ 1853368 ] "elementFormDefault='unqualified'" mishandled 
        # 

        if self.local:
            kw['element'] = 'LocalElementDeclaration'
            kw['pname'] = '"%s"' %self.name
        
        element = map(lambda i: i %kw, [
            '%(ID1)sclass %(klass)s(%(subclass)s, %(element)s):',
            '%(ID2)s%(literal)s',
            '%(ID2)s%(schema)s',
            '%(ID2)s%(init)s',
            '%(ID3)skw["pname"] = %(pname)s',
            '%(ID3)skw["aname"] = "%(aname)s"',
            ]
        )

        # TODO: What about getPyClass and getPyClassDefinition?
        #     I want to add pyclass metaclass here but this needs to be 
        #     corrected first.
        #
        # anyType (?others) has no pyclass.
        app = element.append
        if pyclass is not None:
            app('%sclass IHolder(%s): typecode=self' % (ID3, pyclass),)
            app('%skw["pyclass"] = IHolder' %(ID3),)
            app('%sIHolder.__name__ = "%s_immutable_holder"' %(ID3, aname),)

        app('%s%s' % (ID3, self.simpleConstructor(self.sKlass)),)

        self.writeArray(element)

    def setUp(self, tp):
        self._item = tp
        self.local = tp.isLocal()
        try:
            self.name = tp.getAttribute('name')
            self.substitutionGroup = tp.getAttribute('substitutionGroup')
            self.ns = tp.getTargetNamespace()
            qName = tp.getAttribute('type')
        except Exception, ex:
            raise Wsdl2PythonError('Error occured processing element: %s' %(
                tp.getItemTrace()), *ex.args)

        if qName is None:
            raise Wsdl2PythonError('Missing QName for element type attribute: %s' %tp.getItemTrace())

        tns,local = qName.getTargetNamespace(),qName.getName()
        self.sKlass = BTI.get_typeclass(local, tns)
        if self.sKlass is None:
            raise Wsdl2PythonError('No built-in typecode for type definition("%s","%s"): %s' %(tns,local,tp.getItemTrace()))

        try:
            self.pyclass = BTI.get_pythontype(None, None, typeclass=self.sKlass)
        except Exception, ex:
            raise Wsdl2PythonError('Error occured processing element: %s' %(
                tp.getItemTrace()), *ex.args)


class ElementLocalSimpleTypeContainer(TypecodeContainerBase):
    '''local simpleType container
    '''
    type = DEC 
    logger = _GetLogger("ElementLocalSimpleTypeContainer")

    def _setContent(self):
        kw = KW.copy()
        kw.update(dict(aname=self.getAttributeName(self.name), ns=self.ns, name=self.name, 
                       pname=(self.ns,self.name),
                       subclass=self.sKlass,literal=self.literalTag(),
                       schema=self.schemaTag(), init=self.simpleConstructor(),
                       klass=self.getClassName(), element="ElementDeclaration",
                       baseinit=self.simpleConstructor(self.sKlass)))

        # 
        # TODO: What does this local check do???? relevant for 
        # [ 1853368 ] "elementFormDefault='unqualified'" mishandled 
        # 

        if self.local:
            kw['element'] = 'LocalElementDeclaration'
            kw['pname'] = '"%s"' %self.name
        
        element = map(lambda i: i %kw, [
            '%(ID1)sclass %(klass)s(%(subclass)s, %(element)s):',
            '%(ID2)s%(literal)s',
            '%(ID2)s%(schema)s',
            '%(ID2)s%(init)s',
            '%(ID3)skw["pname"] = %(pname)s',
            '%(ID3)skw["aname"] = "%(aname)s"',
            '%(ID3)s%(baseinit)s',
            ]
        )

        app = element.append
        pyclass = self.pyclass        
        if pyclass is not None:
            # bool cannot be subclassed
            if pyclass == 'bool': pyclass = 'int'
            kw['pyclass'] = pyclass
            app('%(ID3)sclass IHolder(%(pyclass)s): typecode=self' %kw)
            app('%(ID3)sself.pyclass = IHolder' %kw)
            app('%(ID3)sIHolder.__name__ = "%(aname)s_immutable_holder"' %kw)
        
        self.writeArray(element)

    def _setup_pyclass(self):
        try:
            self.pyclass = BTI.get_pythontype(None, None, 
                                              typeclass=self.sKlass)
        except Exception, ex:
            raise Wsdl2PythonError('Error occured processing element: %s' %(
                self._item.getItemTrace()), *ex.args)

    def setUp(self, tp):
        self._item = tp
        assert tp.isElement() is True and tp.content is not None and \
            tp.content.isLocal() is True and tp.content.isSimple() is True ,\
            'expecting local simple type: %s' %tp.getItemTrace()

        self.local = tp.isLocal()
        self.name = tp.getAttribute('name')
        self.ns = tp.getTargetNamespace()
        content = tp.content.content
        if content.isRestriction():
            try:
                 base = content.getTypeDefinition()
            except XMLSchema.SchemaError, ex:
                 base = None

            qName = content.getAttributeBase()
            if base is None:
                self.sKlass = BTI.get_typeclass(qName[1], qName[0])
                self._setup_pyclass()
                return

            raise Wsdl2PythonError, 'unsupported local simpleType restriction: %s' \
                %tp.content.getItemTrace()

        if content.isList():
            try:
                 base = content.getTypeDefinition()
            except XMLSchema.SchemaError, ex:
                 base = None

            if base is None:
                qName = content.getItemType()
                self.sKlass = BTI.get_typeclass(qName[1], qName[0])
                self._setup_pyclass()
                return

            raise Wsdl2PythonError, 'unsupported local simpleType List: %s' \
                %tp.content.getItemTrace()

        if content.isUnion():
            raise Wsdl2PythonError, 'unsupported local simpleType Union: %s' \
                %tp.content.getItemTrace()

        raise Wsdl2PythonError, 'unexpected schema item: %s' \
            %tp.content.getItemTrace()


class ElementLocalComplexTypeContainer(TypecodeContainerBase, AttributeMixIn):
    type = DEC
    logger = _GetLogger("ElementLocalComplexTypeContainer")

    def _setContent(self):
        kw = KW.copy()
        try:
            kw.update(dict(klass=self.getClassName(),
                       subclass='ZSI.TCcompound.ComplexType',
                       element='ElementDeclaration',
                       literal=self.literalTag(),
                       schema=self.schemaTag(), 
                       init=self.simpleConstructor(),
                       ns=self.ns, name=self.name,
                       pname=(self.ns,self.name),
                       aname=self.getAttributeName(self.name),  
                       nsurilogic=self.nsuriLogic(),
                       ofwhat=self.getTypecodeList(),
                       atypecode=self.attribute_typecode,
                       pyclass=self.getPyClass(),
                       ))
        except Exception, ex:
            args = ['Failure processing an element w/local complexType: %s' %(
                          self._item.getItemTrace())]
            args += ex.args
            ex.args = tuple(args)
            raise

        # 
        # TODO: What does this local check do???? relevant for 
        # [ 1853368 ] "elementFormDefault='unqualified'" mishandled 
        # 

        if self.local:
            kw['element'] = 'LocalElementDeclaration'
            kw['pname'] = '"%s"' %self.name
        
        element = [
            '%(ID1)sclass %(klass)s(%(subclass)s, %(element)s):',
            '%(ID2)s%(literal)s',
            '%(ID2)s%(schema)s',
            '%(ID2)s%(init)s',
            '%(ID3)s%(nsurilogic)s',
            '%(ID3)sTClist = [%(ofwhat)s]',
            '%(ID3)skw["pname"] = %(pname)s',
            '%(ID3)skw["aname"] = "%(aname)s"',
            '%(ID3)s%(atypecode)s = {}',
            '%(ID3)sZSI.TCcompound.ComplexType.__init__(self,None,TClist,inorder=0,**kw)',
            ]
        for l in self.attrComponents: element.append('%(ID3)s'+str(l))
        element += self.getPyClassDefinition()
        element.append('%(ID3)sself.pyclass = %(pyclass)s' %kw)  
        self.writeArray(map(lambda l: l %kw, element))

    def setUp(self, tp):
        '''
        {'xsd':['annotation', 'simpleContent', 'complexContent',\
        'group', 'all', 'choice', 'sequence', 'attribute', 'attributeGroup',\
        'anyAttribute', 'any']}
        '''
        # 
        # TODO: Need a Recursive solution, this is incomplete will ignore many
        #  extensions, restrictions, etc.
        # 
        self._item = tp
        # JRB HACK SUPPORTING element/no content.
        assert tp.isElement() is True and \
            (tp.content is None or (tp.content.isComplex() is True and tp.content.isLocal() is True)),\
            'expecting element w/local complexType not: %s' %tp.content.getItemTrace()

        self.name = tp.getAttribute('name')
        self.ns = tp.getTargetNamespace()
        self.local = tp.isLocal()

        complex = tp.content
        # JRB HACK SUPPORTING element/no content.
        if complex is None:
            self.mgContent = ()
            return
        
        #attributeContent = complex.getAttributeContent()
        #self.mgContent = None
        if complex.content is None:
            self.mgContent = ()
            self.attrComponents = self._setAttributes(complex.getAttributeContent())
            return 

        is_simple = complex.content.isSimple()
        if is_simple and complex.content.content.isExtension():
            # TODO: Not really supported just passing thru
            self.mgContent = ()
            self.attrComponents = self._setAttributes(complex.getAttributeContent())
            return

        if is_simple and complex.content.content.isRestriction():
            # TODO: Not really supported just passing thru
            self.mgContent = ()
            self.attrComponents = self._setAttributes(complex.getAttributeContent())
            return

        if is_simple:
            raise ContainerError, 'not implemented local complexType/simpleContent: %s'\
               %tp.getItemTrace()

        is_complex = complex.content.isComplex()
        if is_complex and complex.content.content is None:
            # TODO: Recursion...
            self.mgContent = ()
            self.attrComponents = self._setAttributes(complex.getAttributeContent())
            return

        if (is_complex and complex.content.content.isExtension() and 
            complex.content.content.content is not None and
            complex.content.content.content.isModelGroup()):

            self.mgContent = complex.content.content.content.content
            self.attrComponents = self._setAttributes(
                    complex.content.content.getAttributeContent()
                )
            return

        if (is_complex and complex.content.content.isRestriction() and
            complex.content.content.content is not None and 
            complex.content.content.content.isModelGroup()):

            self.mgContent = complex.content.content.content.content
            self.attrComponents = self._setAttributes(
                    complex.content.content.getAttributeContent()
                )
            return

        if is_complex:
            self.mgContent = ()
            self.attrComponents = self._setAttributes(complex.getAttributeContent())
            return

        if complex.content.isModelGroup():
            self.mgContent = complex.content.content
            self.attrComponents = self._setAttributes(complex.getAttributeContent())
            return

        # TODO: Scary Fallthru
        self.mgContent = ()
        self.attrComponents = self._setAttributes(complex.getAttributeContent())
        
        
class ElementGlobalDefContainer(TypecodeContainerBase):
    type = DEC
    logger = _GetLogger("ElementGlobalDefContainer")

    def _substitutionGroupTag(self):
        value = self.substitutionGroup
        if not value:
            return 'substitutionGroup = None'
  
        nsuri,ncname = value
        return 'substitutionGroup = ("%s","%s")' %(nsuri, ncname)

    def _setContent(self):
        '''GED defines element name, so also define typecode aname
        '''
        kw = KW.copy()
        try:
            kw.update(dict(klass=self.getClassName(),
                       element='ElementDeclaration',
                       literal=self.literalTag(),
                       substitutionGroup=self._substitutionGroupTag(),
                       schema=self.schemaTag(), 
                       init=self.simpleConstructor(),
                       ns=self.ns, name=self.name,
                       pname=(self.ns,self.name),
                       aname=self.getAttributeName(self.name),  
                       baseslogic=self.getBasesLogic(ID3),
                       #ofwhat=self.getTypecodeList(),
                       #atypecode=self.attribute_typecode,
                       #pyclass=self.getPyClass(),
                       alias=NAD.getAlias(self.sKlassNS),
                       subclass=type_class_name(self.sKlass),
                       ))
        except Exception, ex:
            args = ['Failure processing an element w/local complexType: %s' %(
                          self._item.getItemTrace())]
            args += ex.args
            ex.args = tuple(args)
            raise
       
        # 
        # TODO: What does this local check do???? relevant for 
        # [ 1853368 ] "elementFormDefault='unqualified'" mishandled 
        # 

        if self.local:
            kw['element'] = 'LocalElementDeclaration'
            kw['pname'] = '"%s"' %self.name
        
        element = [
            '%(ID1)sclass %(klass)s(%(element)s):',
            '%(ID2)s%(literal)s',
            '%(ID2)s%(schema)s',
            '%(ID2)s%(substitutionGroup)s',
            '%(ID2)s%(init)s',
            '%(ID3)skw["pname"] = %(pname)s',
            '%(ID3)skw["aname"] = "%(aname)s"',
            '%(baseslogic)s',
            '%(ID3)s%(alias)s.%(subclass)s.__init__(self, **kw)',
            '%(ID3)sif self.pyclass is not None: self.pyclass.__name__ = "%(klass)s_Holder"',
            ]

        self.writeArray(map(lambda l: l %kw, element))

    def setUp(self, element):
        # Save for debugging
        self._item = element
        self.local = element.isLocal()
        self.name = element.getAttribute('name')
        self.substitutionGroup = element.getAttribute('substitutionGroup')
        self.ns = element.getTargetNamespace()
        tp = element.getTypeDefinition('type')
        self.sKlass = tp.getAttribute('name')
        self.sKlassNS = tp.getTargetNamespace()


class ComplexTypeComplexContentContainer(TypecodeContainerBase, AttributeMixIn):
    '''Represents ComplexType with ComplexContent.
    '''
    type = DEF
    logger = _GetLogger("ComplexTypeComplexContentContainer")

    def __init__(self, do_extended=False):
        TypecodeContainerBase.__init__(self, do_extended=do_extended)

    def setUp(self, tp):
        '''complexContent/[extension,restriction]
            restriction
            extension
            extType -- used in figuring attrs for extensions
        '''
        self._item = tp
        assert tp.content.isComplex() is True and \
            (tp.content.content.isRestriction() or tp.content.content.isExtension() is True),\
            'expecting complexContent/[extension,restriction]'
            
        self.extType = None
        self.restriction = False
        self.extension = False
        self._kw_array = None
        self._is_array = False
        self.name = tp.getAttribute('name')
        self.ns = tp.getTargetNamespace()
        
        # xxx: what is this for?
        #self.attribute_typecode = 'attributes'
        
        derivation = tp.content.content
        # Defined in Schema instance?
        try:
            base = derivation.getTypeDefinition('base')
        except XMLSchema.SchemaError, ex:
            base = None

        # anyType, arrayType, etc...
        if base is None:
            base = derivation.getAttributeQName('base')
            if base is None:
                raise ContainerError, 'Unsupported derivation: %s'\
                        %derivation.getItemTrace()
                        
            if base != (SOAP.ENC,'Array') and base != (SCHEMA.XSD3,'anyType'):
                raise ContainerError, 'Unsupported base(%s): %s' %(
                    base, derivation.getItemTrace()
                    )
                
        if base == (SOAP.ENC,'Array'):
            # SOAP-ENC:Array expecting arrayType attribute reference
            self.logger.debug("Derivation of soapenc:Array")
            self._is_array = True
            self._kw_array = {'atype':None, 'id3':ID3, 'ofwhat':None}
            self.sKlass = BTI.get_typeclass(base[1], base[0])
            self.sKlassNS = base[0]

            for a in derivation.getAttributeContent():

                assert a.isAttribute() is True,\
                    'only attribute content expected: %s' %a.getItemTrace()

                if a.isReference() is False:
                    continue

                if a.getAttribute('ref') != (SOAP.ENC,'arrayType'):
                    continue

                attr = a.getAttributeQName((WSDL.BASE, 'arrayType'))
                if attr is None:
                    warnings.warn('soapenc:array derivation declares attribute reference ("%s","%s"), does not define attribute ("%s","%s")' %(
                        SOAP.ENC,'arrayType',WSDL.BASE, 'arrayType'))
                    break
                
                self._kw_array['atype'] = attr
                qname = self._kw_array.get('atype')
                if a is not None:
                    ncname = qname[1].strip('[]')
                    namespace = qname[0]
                    try:
                        ofwhat = a.getSchemaItem(XMLSchema.TYPES, namespace, ncname)
                    except XMLSchema.SchemaError, ex:
                        ofwhat = None

                    if ofwhat is None:
                        self._kw_array['ofwhat'] = BTI.get_typeclass(ncname, namespace)
                    else:
                        self._kw_array['ofwhat'] = GetClassNameFromSchemaItem(ofwhat, do_extended=self.do_extended)

                    if self._kw_array['ofwhat'] is None:
                        raise ContainerError, 'For Array could not resolve ofwhat typecode(%s,%s): %s'\
                            %(namespace, ncname, derivation.getItemTrace())
                    
                    self.logger.debug('Attribute soapenc:arrayType="%s"' %
                                      str(self._kw_array['ofwhat']))

                    break

            #else:
            #    raise Wsdl2PythonError, \
            #        'derivation of soapenc:array must declare attribute reference ("%s","%s")' %(
            #        SOAP.ENC,'arrayType')

       
        elif isinstance(base, XMLSchema.XMLSchemaComponent):
            self.sKlass = base.getAttribute('name')
            self.sKlassNS = base.getTargetNamespace()
        else:
            # TypeDescriptionComponent
            self.sKlass = base.getName()
            self.sKlassNS = base.getTargetNamespace()

        attrs = []
        if derivation.isRestriction():
            self.restriction = True
            self.extension = False
            # derivation.getAttributeContent subset of tp.getAttributeContent 
            attrs += derivation.getAttributeContent() or ()
        else:
            self.restriction = False
            self.extension = True
            attrs += tp.getAttributeContent() or ()
            if isinstance(derivation, XMLSchema.XMLSchemaComponent):
                attrs += derivation.getAttributeContent() or ()
                
        # XXX: not sure what this is doing
        if attrs:
            self.extType = derivation

        if derivation.content is not None \
            and derivation.content.isModelGroup():
            group = derivation.content
            if group.isReference():
                group = group.getModelGroupReference()
            self.mgContent = group.content
        elif derivation.content:
            raise Wsdl2PythonError, \
                'expecting model group, not: %s' %derivation.content.getItemTrace()
        else:
            self.mgContent = ()

        self.attrComponents = self._setAttributes(tuple(attrs))
                
    def _setContent(self):
        '''JRB What is the difference between instance data
        ns, name, -- type definition?
        sKlass, sKlassNS? -- element declaration?
        '''
        kw = KW.copy()
        definition = []
        if self._is_array:
            # SOAP-ENC:Array
            if _is_xsd_or_soap_ns(self.sKlassNS) is False and self.sKlass == 'Array':
                raise ContainerError, 'unknown type: (%s,%s)'\
                    %(self.sKlass, self.sKlassNS)
                    
            # No need to xsi:type array items since specify with
            # SOAP-ENC:arrayType attribute.
            definition += [\
                '%sclass %s(ZSI.TC.Array, TypeDefinition):' % (ID1, self.getClassName()),
                '%s#complexType/complexContent base="SOAP-ENC:Array"' %(ID2),
                '%s%s' % (ID2, self.schemaTag()),
                '%s%s' % (ID2, self.typeTag()),
                '%s%s' % (ID2, self.pnameConstructor()),
                ]

            append = definition.append
            if  self._kw_array.get('ofwhat') is None:
                append('%s%s.__init__(self, None, None, pname=pname, childnames=\'item\', undeclared=True, **kw)' %(ID3, self.sKlass))
            else:
                append('%(id3)sofwhat = %(ofwhat)s(None, typed=False)' %self._kw_array)
                append('%(id3)satype = %(atype)s' %self._kw_array)
                append('%s%s.__init__(self, atype, ofwhat, pname=pname, childnames=\'item\', **kw)' %(ID3, self.sKlass))

            self.writeArray(definition)
            return
    
        definition += [\
            '%sclass %s(TypeDefinition):' % (ID1, self.getClassName()),
            '%s%s' % (ID2, self.schemaTag()),
            '%s%s' % (ID2, self.typeTag()),
            '%s%s' % (ID2, self.pnameConstructor()),
            '%s%s' % (ID3, self.nsuriLogic()),
            '%sTClist = [%s]' % (ID3, self.getTypecodeList()),
            ]
                
        definition.append(
            '%(ID3)sattributes = %(atc)s = attributes or {}' %{
                'ID3':ID3, 'atc':self.attribute_typecode}
        )

        #
        # Special case: anyType restriction
        isAnyType = (self.sKlassNS, self.sKlass) == (SCHEMA.XSD3, 'anyType')
        if isAnyType:
            del definition[0]
            definition.insert(0,
                '%sclass %s(ZSI.TC.ComplexType, TypeDefinition):' % (
                             ID1, self.getClassName())
            )
            definition.insert(1, 
                '%s#complexType/complexContent restrict anyType' %(
                               ID2)
            )
        
        # derived type support
        definition.append('%sif extend: TClist += ofwhat'%(ID3))
        definition.append('%sif restrict: TClist = ofwhat' %(ID3))
        if len(self.attrComponents) > 0:
            definition.append('%selse:' %(ID3))
            for l in self.attrComponents: 
                definition.append('%s%s'%(ID4, l))
                
        if isAnyType:
            definition.append(\
                '%sZSI.TC.ComplexType.__init__(self, None, TClist, pname=pname, **kw)' %(
                    ID3),
            )
            
            # pyclass class definition
            definition += self.getPyClassDefinition()
            kw['pyclass'] = self.getPyClass()
            definition.append('%(ID3)sself.pyclass = %(pyclass)s' %kw)  
            self.writeArray(definition)
            return
            
        definition.append('%s'   % self.getBasesLogic(ID3))
        prefix = NAD.getAlias(self.sKlassNS)
        typeClassName = type_class_name(self.sKlass)
        if self.restriction:
            definition.append(\
                '%s%s.%s.__init__(self, pname, ofwhat=TClist, restrict=True, **kw)' %(
                    ID3, prefix, typeClassName),
            )
            definition.insert(1, '%s#complexType/complexContent restriction' %ID2)
            self.writeArray(definition)
            return
        
        if self.extension:
            definition.append(\
                '%s%s.%s.__init__(self, pname, ofwhat=TClist, extend=True, attributes=attributes, **kw)'%(
                    ID3, prefix, typeClassName),
            )
            definition.insert(1, '%s#complexType/complexContent extension' %(ID2))
            self.writeArray(definition)
            return
            
        raise Wsdl2PythonError,\
            'ComplexContent must be a restriction or extension'

    def pnameConstructor(self, superclass=None):
        if superclass:
            return '%s.__init__(self, pname, ofwhat=(), extend=False, restrict=False, attributes=None, **kw)' % superclass
        
        return 'def __init__(self, pname, ofwhat=(), extend=False, restrict=False, attributes=None, **kw):'
      

class ComplexTypeContainer(TypecodeContainerBase, AttributeMixIn):
    '''Represents a global complexType definition.
    '''
    type = DEF
    logger = _GetLogger("ComplexTypeContainer")

    def setUp(self, tp, empty=False):
        '''Problematic, loose all model group information.
        <all>, <choice>, <sequence> ..

           tp -- type definition
           empty -- no model group, just use as a dummy holder.
        '''
        self._item = tp
        
        self.name = tp.getAttribute('name')
        self.ns = tp.getTargetNamespace()
        self.mixed = tp.isMixed()
        self.mgContent = ()
        self.attrComponents = self._setAttributes(tp.getAttributeContent())
        
        # Save reference to type for debugging
        self._item = tp
        
        if empty:
            return
        
        model = tp.content
        if model.isReference(): 
            model = model.getModelGroupReference()
        
        if model is None:
            return
        
        if model.content is None:
            return
       
        # sequence, all or choice
        #self.mgContent = model.content
        self.mgContent = model
        
    def _setContent(self):
        try:
            definition = [
                '%sclass %s(ZSI.TCcompound.ComplexType, TypeDefinition):'
                % (ID1, self.getClassName()),
                '%s%s' % (ID2, self.schemaTag()),
                '%s%s' % (ID2, self.typeTag()),
                '%s%s' % (ID2, self.pnameConstructor()),
                #'%s'   % self.getElements(),
                '%s%s' % (ID3, self.nsuriLogic()),
                '%sTClist = [%s]' % (ID3, self.getTypecodeList()),
                ]
        except Exception, ex:
            args = ["Failure processing %s" %self._item.getItemTrace()]
            args += ex.args
            ex.args = tuple(args)
            raise

        definition.append('%s%s = attributes or {}' %(ID3, 
                           self.attribute_typecode))
        # IF EXTEND
        definition.append('%sif extend: TClist += ofwhat'%(ID3))
        # IF RESTRICT
        definition.append('%sif restrict: TClist = ofwhat' %(ID3))
        # ELSE
        if len(self.attrComponents) > 0:
            definition.append('%selse:' %(ID3))
            for l in self.attrComponents:  definition.append('%s%s'%(ID4, l))
        
        definition.append(\
            '%sZSI.TCcompound.ComplexType.__init__(self, None, TClist, pname=pname, inorder=0, %s**kw)' \
            %(ID3, self.getExtraFlags())
        )

        # pyclass class definition
        definition += self.getPyClassDefinition()

        # set pyclass
        kw = KW.copy()
        kw['pyclass'] = self.getPyClass()
        definition.append('%(ID3)sself.pyclass = %(pyclass)s' %kw)
        self.writeArray(definition)

    def pnameConstructor(self, superclass=None):
        ''' TODO: Logic is a little tricky.  If superclass is ComplexType this is not used.
        '''
        if superclass:
            return '%s.__init__(self, pname, ofwhat=(), attributes=None, extend=False, restrict=False, **kw)' % superclass

        return 'def __init__(self, pname, ofwhat=(), attributes=None, extend=False, restrict=False, **kw):'
        
        
class SimpleTypeContainer(TypecodeContainerBase):
    type = DEF
    logger = _GetLogger("SimpleTypeContainer")

    def __init__(self):
        '''
        Instance Data From TypecodeContainerBase NOT USED...
           mgContent
        '''
        TypecodeContainerBase.__init__(self)

    def setUp(self, tp):
        raise NotImplementedError, 'abstract method not implemented'

    def _setContent(self, tp):
        raise NotImplementedError, 'abstract method not implemented'

    def getPythonType(self):
        pyclass = eval(str(self.sKlass))
        if issubclass(pyclass, ZSI.TC.String):
            return 'str'
        if issubclass(pyclass, ZSI.TC.Ilong) or issubclass(pyclass, ZSI.TC.IunsignedLong):
            return 'long'
        if issubclass(pyclass, ZSI.TC.Boolean) or issubclass(pyclass, ZSI.TC.Integer):
            return 'int'
        if issubclass(pyclass, ZSI.TC.Decimal):
            return 'float'
        if issubclass(pyclass, ZSI.TC.Gregorian) or issubclass(pyclass, ZSI.TC.Duration):
            return 'tuple'
        return None

    def getPyClassDefinition(self):
        definition = []
        pt = self.getPythonType()
        if pt is not None:
            definition.append('%sclass %s(%s):' %(ID3,self.getPyClass(),pt))
            definition.append('%stypecode = self' %ID4)
        return definition


class RestrictionContainer(SimpleTypeContainer):
    '''
       simpleType/restriction
    '''
    logger = _GetLogger("RestrictionContainer")

    def setUp(self, tp):
        self._item = tp
        
        assert tp.isSimple() is True and tp.isDefinition() is True and \
            tp.content.isRestriction() is True,\
            'expecting simpleType restriction, not: %s' %tp.getItemTrace()

        if tp.content is None:
            raise Wsdl2PythonError, \
                  'empty simpleType defintion: %s' %tp.getItemTrace()

        self.name = tp.getAttribute('name')
        self.ns = tp.getTargetNamespace()
        self.sKlass = None

        base = tp.content.getAttribute('base')
        if base is not None:
            try:
                item = tp.content.getTypeDefinition('base')
            except XMLSchema.SchemaError, ex:
                item = None

            if item is None:
                self.sKlass = BTI.get_typeclass(base.getName(), base.getTargetNamespace())
                if self.sKlass is not None: 
                    return

                raise Wsdl2PythonError('no built-in type nor schema instance type for base attribute("%s","%s"): %s' %(
                    base.getTargetNamespace(), base.getName(), tp.getItemTrace()))

            raise Wsdl2PythonError, \
                'Not Supporting simpleType/Restriction w/User-Defined Base: %s %s' %(tp.getItemTrace(),item.getItemTrace())

        sc = tp.content.getSimpleTypeContent()
        if sc is not None and True is sc.isSimple() is sc.isLocal() is sc.isDefinition():
            base = None
            if sc.content.isRestriction() is True:
                try:
                    item = tp.content.getTypeDefinition('base')
                except XMLSchema.SchemaError, ex:
                    pass

                if item is None:
                    base = sc.content.getAttribute('base')
                    if base is not None:
                        self.sKlass = BTI.get_typeclass(base.getTargetNamespace(), base.getName())
                        return
                    raise Wsdl2PythonError, \
                        'Not Supporting simpleType/Restriction w/User-Defined Base: '\
                        %item.getItemTrace()

                raise Wsdl2PythonError, \
                    'Not Supporting simpleType/Restriction w/User-Defined Base: '\
                    %item.getItemTrace()

            if sc.content.isList() is True:
                raise Wsdl2PythonError, \
                      'iction base in subtypes: %s'\
                      %sc.getItemTrace()

            if sc.content.isUnion() is True:
                raise Wsdl2PythonError, \
                      'could not get restriction base in subtypes: %s'\
                      %sc.getItemTrace()

            return

        raise Wsdl2PythonError, 'No Restriction @base/simpleType: %s' %tp.getItemTrace()

    def _setContent(self):

        definition = [
            '%sclass %s(%s, TypeDefinition):' %(ID1, self.getClassName(), 
                         self.sKlass),
            '%s%s' % (ID2, self.schemaTag()),
            '%s%s' % (ID2, self.typeTag()),
            '%s%s' % (ID2, self.pnameConstructor()),
        ]
        if self.getPythonType() is None:
            definition.append('%s%s.__init__(self, pname, **kw)' %(ID3,
                               self.sKlass))
        else:
            definition.append('%s%s.__init__(self, pname, pyclass=None, **kw)' \
                               %(ID3, self.sKlass,))
          
            # pyclass class definition
            definition += self.getPyClassDefinition()
                
            # set pyclass
            kw = KW.copy()
            kw['pyclass'] = self.getPyClass()
            definition.append('%(ID3)sself.pyclass = %(pyclass)s' %kw)    

        self.writeArray(definition)


class ComplexTypeSimpleContentContainer(SimpleTypeContainer, AttributeMixIn):
    '''Represents a ComplexType with simpleContent.
    '''
    type = DEF
    logger = _GetLogger("ComplexTypeSimpleContentContainer")

    def setUp(self, tp):
        '''tp -- complexType/simpleContent/[Exention,Restriction]
        '''
        self._item = tp
        
        assert tp.isComplex() is True and tp.content.isSimple() is True,\
            'expecting complexType/simpleContent not: %s' %tp.content.getItemTrace()

        simple = tp.content
        dv = simple.content
        assert dv.isExtension() is True or dv.isRestriction() is True,\
            'expecting complexType/simpleContent/[Extension,Restriction] not: %s' \
            %tp.content.getItemTrace()

        self.name = tp.getAttribute('name')
        self.ns = tp.getTargetNamespace()
        # TODO: Why is this being set?
        self.content.attributeContent = dv.getAttributeContent()
        
        base = dv.getAttribute('base')
        if base is not None:
            self.sKlass = BTI.get_typeclass( base[1], base[0] )
            if not self.sKlass:
                self.sKlass,self.sKlassNS = base[1], base[0]
                
            self.attrComponents = self._setAttributes(
                                      self.content.attributeContent
                                      )
            return

        raise Wsdl2PythonError,\
            'simple content derivation bad base attribute: ' %tp.getItemTrace()

    def _setContent(self):
        # TODO: Add derivation logic to constructors. 
        if type(self.sKlass) in (types.ClassType, type):
            definition = [
                '%sclass %s(%s, TypeDefinition):' \
                % (ID1, self.getClassName(), self.sKlass),
                '%s# ComplexType/SimpleContent derivation of built-in type' %ID2,
                '%s%s' % (ID2, self.schemaTag()),
                '%s%s' % (ID2, self.typeTag()),
                '%s%s' % (ID2, self.pnameConstructor()),
                '%sif getattr(self, "attribute_typecode_dict", None) is None: %s = {}' %(
                    ID3, self.attribute_typecode),
                ]
    
            for l in self.attrComponents: 
                definition.append('%s%s'%(ID3, l))

            definition.append('%s%s.__init__(self, pname, **kw)' %(ID3, self.sKlass))
            if self.getPythonType() is not None:
                definition += self.getPyClassDefinition()
                kw = KW.copy()
                kw['pyclass'] = self.getPyClass()
                definition.append('%(ID3)sself.pyclass = %(pyclass)s' %kw)    

            self.writeArray(definition)
            return
        
        definition = [
            '%sclass %s(TypeDefinition):' % (ID1, self.getClassName()),
            '%s# ComplexType/SimpleContent derivation of user-defined type' %ID2,
            '%s%s' % (ID2, self.schemaTag()),
            '%s%s' % (ID2, self.typeTag()),
            '%s%s' % (ID2, self.pnameConstructor()),
            '%s%s' % (ID3, self.nsuriLogic()),
            '%s'   % self.getBasesLogic(ID3),
            '%sif getattr(self, "attribute_typecode_dict", None) is None: %s = {}' %(
                ID3, self.attribute_typecode),
            ]

        for l in self.attrComponents:
            definition.append('%s%s'%(ID3, l))

        definition.append('%s%s.%s.__init__(self, pname, **kw)' %(
            ID3, NAD.getAlias(self.sKlassNS), type_class_name(self.sKlass)))

        self.writeArray(definition)

    def getPyClassDefinition(self):
        definition = []
        pt = self.getPythonType()
        if pt is not None:
            definition.append('%sclass %s(%s):' %(ID3,self.getPyClass(),pt))
            if self.metaclass is not None:
                definition.append('%s__metaclass__ = %s' %(ID4, self.metaclass))

            definition.append('%stypecode = self' %ID4)
        return definition





class UnionContainer(SimpleTypeContainer):
    '''SimpleType Union
    '''
    type = DEF
    logger = _GetLogger("UnionContainer")

    def __init__(self):
        SimpleTypeContainer.__init__(self)
        self.memberTypes = None

    def setUp(self, tp):
        self._item = tp
        
        if tp.content.isUnion() is False:
            raise ContainerError, 'content must be a Union: %s' %tp.getItemTrace()
        self.name = tp.getAttribute('name')
        self.ns = tp.getTargetNamespace()
        self.sKlass = 'ZSI.TC.Union'
        self.memberTypes = tp.content.getAttribute('memberTypes')

    def _setContent(self):
        definition = [
            '%sclass %s(%s, TypeDefinition):' \
            % (ID1, self.getClassName(), self.sKlass),
            '%smemberTypes = %s' % (ID2, self.memberTypes),
            '%s%s' % (ID2, self.schemaTag()),
            '%s%s' % (ID2, self.typeTag()),
            '%s%s' % (ID2, self.pnameConstructor()),
            '%s%s' % (ID3, self.pnameConstructor(self.sKlass)),
            ]

        # TODO: Union pyclass is None
        self.writeArray(definition)


class ListContainer(SimpleTypeContainer):
    '''SimpleType List
    '''
    type = DEF
    logger = _GetLogger("ListContainer")

    def setUp(self, tp):
        self._item = tp
        
        if tp.content.isList() is False:
            raise ContainerError, 'content must be a List: %s' %tp.getItemTrace()
        self.name = tp.getAttribute('name')
        self.ns = tp.getTargetNamespace()
        self.sKlass = 'ZSI.TC.List'
        self.itemType = tp.content.getAttribute('itemType')

    def _setContent(self):
        definition = [
            '%sclass %s(%s, TypeDefinition):' \
            % (ID1, self.getClassName(), self.sKlass),
            '%sitemType = %s' % (ID2, self.itemType),
            '%s%s' % (ID2, self.schemaTag()),
            '%s%s' % (ID2, self.typeTag()),
            '%s%s' % (ID2, self.pnameConstructor()),
            '%s%s' % (ID3, self.pnameConstructor(self.sKlass)),
            ]
        self.writeArray(definition)


