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#----------------------------------------------------------------------------
# Name: xmlutils.py
# Purpose: XML and Marshaller Utilities
#
# Author: Jeff Norton
#
# Created: 6/2/05
# CVS-ID: $Id$
# Copyright: (c) 2004-2005 ActiveGrid, Inc.
# License: wxWindows License
#----------------------------------------------------------------------------
from activegrid.util.lang import *
import os
import time
import urllib
import logging
from activegrid.util.lang import *
import activegrid.util.objutils as objutils
import activegrid.util.xmlmarshaller as xmlmarshaller
import activegrid.util.aglogging as aglogging
xmlLogger = logging.getLogger("activegrid.util.xml")
def load(fileName, knownTypes=None, knownNamespaces=None, createGenerics=False):
loadedObject = None
fileObject = file(fileName)
timeStart = time.time()
xml = ""
try:
xml = fileObject.read()
loadedObject = unmarshal(xml, knownTypes=knownTypes, knownNamespaces=knownNamespaces, xmlSource=fileName, createGenerics=createGenerics)
loadedObject.fileName = os.path.abspath(fileName)
if hasattr(loadedObject, 'initialize'):
loadedObject.initialize()
finally:
fileObject.close()
if xmlLogger.isEnabledFor(aglogging.LEVEL_INFO):
timeDone = time.time()
aglogging.info(xmlLogger, ('Load statistics for file %s (%d bytes): elapsed time = %f secs' % (fileName, len(xml), timeDone-timeStart)))
return loadedObject
def loadURI(uri, knownTypes=None, knownNamespaces=None, xmlSource=None, createGenerics=False):
loadedObject = None
timeStart = time.time()
xml = ""
try:
xml = urllib.urlopen(uri).read()
loadedObject = unmarshal(xml, knownTypes=knownTypes, knownNamespaces=knownNamespaces, xmlSource=xmlSource, createGenerics=createGenerics)
loadedObject.fileName = uri
if hasattr(loadedObject, 'initialize'):
loadedObject.initialize()
finally:
if xmlLogger.isEnabledFor(aglogging.LEVEL_INFO):
timeDone = time.time()
aglogging.info(xmlLogger, ('Load statistics for URI %s (%d bytes): elapsed time = %f secs' % (uri, len(xml), timeDone-timeStart)))
return loadedObject
def unmarshal(xml, knownTypes=None, knownNamespaces=None, xmlSource=None, createGenerics=False):
if (knownTypes == None):
knownTypes, knownNamespaces = getAgKnownTypes()
return xmlmarshaller.unmarshal(xml, knownTypes=knownTypes, knownNamespaces=knownNamespaces, xmlSource=xmlSource, createGenerics=createGenerics)
def save(fileName, objectToSave, prettyPrint=True, marshalType=True, knownTypes=None, knownNamespaces=None, encoding='utf-8'):
if hasattr(objectToSave, '_xmlReadOnly') and objectToSave._xmlReadOnly == True:
raise xmlmarshaller.MarshallerException('Error marshalling object to file "%s": object is marked "readOnly" and cannot be written' % (fileName))
timeStart = time.time()
xml = marshal(objectToSave, prettyPrint=prettyPrint, marshalType=marshalType, knownTypes=knownTypes, knownNamespaces=knownNamespaces, encoding=encoding)
fileObject = file(fileName, 'w')
try:
fileObject.write(xml)
fileObject.flush()
except Exception, errorData:
fileObject.close()
raise xmlmarshaller.MarshallerException('Error marshalling object to file "%s": %s' % (fileName, str(errorData)))
fileObject.close()
timeDone = time.time()
aglogging.info(xmlLogger, ('Save statistics for file %s: elapsed time = %f secs' % (fileName, timeDone-timeStart)))
def marshal(objectToSave, prettyPrint=True, marshalType=True, knownTypes=None, knownNamespaces=None, encoding='utf-8'):
if (knownTypes == None):
knownTypes, knownNamespaces = getAgKnownTypes()
return xmlmarshaller.marshal(objectToSave, prettyPrint=prettyPrint, marshalType=marshalType, knownTypes=knownTypes, knownNamespaces=knownNamespaces, encoding=encoding)
def addNSAttribute(xmlDoc, shortNamespace, longNamespace):
if not hasattr(xmlDoc, "__xmlnamespaces__"):
xmlDoc.__xmlnamespaces__ = {shortNamespace:longNamespace}
elif shortNamespace not in xmlDoc.__xmlnamespaces__:
if (hasattr(xmlDoc.__class__, "__xmlnamespaces__")
and (xmlDoc.__xmlnamespaces__ is xmlDoc.__class__.__xmlnamespaces__)):
xmlDoc.__xmlnamespaces__ = dict(xmlDoc.__xmlnamespaces__)
xmlDoc.__xmlnamespaces__[shortNamespace] = longNamespace
def genShortNS(xmlDoc, longNamespace=None):
if not hasattr(xmlDoc, "__xmlnamespaces__"):
return "ns1"
elif longNamespace != None and longNamespace in xmlDoc.__xmlnamespaces__.items():
for key, value in xmlDoc.__xmlnamespaces__.iteritems():
if value == longNamespace:
return key
i = 1
while ("ns%d" % i) in xmlDoc.__xmlnamespaces__:
i += 1
return ("ns%d" % i)
def genTargetNS(fileName, applicationName=None, type=None):
if (applicationName != None):
if (type != None):
tns = "urn:%s:%s:%s" % (applicationName, type, fileName)
else:
tns = "urn:%s:%s" % (applicationName, fileName)
else:
tns = "urn:%s" % fileName
return tns
def splitType(typeName):
index = typeName.rfind(':')
if index != -1:
ns = typeName[:index]
complexTypeName = typeName[index+1:]
else:
ns = None
complexTypeName = typeName
return (ns, complexTypeName)
def cloneObject(objectToClone, knownTypes=None, marshalType=True, knownNamespaces=None, encoding='utf-8'):
if (knownTypes == None):
knownTypes, knownNamespaces = getAgKnownTypes()
xml = xmlmarshaller.marshal(objectToClone, prettyPrint=True, marshalType=marshalType, knownTypes=knownTypes, knownNamespaces=knownNamespaces, encoding=encoding)
clonedObject = xmlmarshaller.unmarshal(xml, knownTypes=knownTypes, knownNamespaces=knownNamespaces)
if hasattr(objectToClone, 'fileName'):
clonedObject.fileName = objectToClone.fileName
if hasattr(objectToClone, "_parentDoc"):
clonedObject._parentDoc = objectToClone._parentDoc
try:
clonedObject.initialize()
except AttributeError:
pass
return clonedObject
def getAgVersion(fileName):
fileObject = file(fileName)
try:
xml = fileObject.read()
finally:
fileObject.close()
i = xml.find(' ag:version=')
if i >= 0:
i += 12
else:
i2 = xml.find('<ag:')
if i2 >= 0:
i = xml.find(' version=', i2)
if i > 0:
i += 9
elif xml.find('<project version="10"') >= 0:
return "10"
else:
return None
version = None
if xml[i:i+1] == '"':
j = xml.find('"', i+1)
if (j > i+1):
version = xml[i+1:j]
return version
AG_NS_URL = "http://www.activegrid.com/ag.xsd"
BPEL_NS_URL = "http://schemas.xmlsoap.org/ws/2003/03/business-process"
HTTP_WSDL_NS_URL = "http://schemas.xmlsoap.org/wsdl/http/"
MIME_WSDL_NS_URL = "http://schemas.xmlsoap.org/wsdl/mime/"
SOAP_NS_URL = "http://schemas.xmlsoap.org/wsdl/soap/"
SOAP12_NS_URL = "http://schemas.xmlsoap.org/wsdl/soap12/"
SOAP_NS_ENCODING = "http://schemas.xmlsoap.org/soap/encoding/"
WSDL_NS_URL = "http://schemas.xmlsoap.org/wsdl/"
WSSE_NS_URL = "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"
XFORMS_NS_URL = "http://www.w3c.org/xform.xsd"
XMLSCHEMA_NS_URL = "http://www.w3.org/2001/XMLSchema"
XSI_NS_URL = "http://www.w3.org/2001/XMLSchema-instance"
XACML_NS_URL = "urn:oasis:names:tc:xacml:2.0:policy:schema:os"
KNOWN_NAMESPACES = { AG_NS_URL : "ag",
BPEL_NS_URL : "bpws",
HTTP_WSDL_NS_URL : "http",
MIME_WSDL_NS_URL : "mime",
SOAP_NS_URL : "soap",
SOAP12_NS_URL : "soap12",
WSDL_NS_URL : "wsdl",
WSSE_NS_URL : "wsse",
XFORMS_NS_URL : "xforms",
XMLSCHEMA_NS_URL : "xs",
XACML_NS_URL : "xacml",
}
global agXsdToClassName
agXsdToClassName = None
def getAgXsdToClassName():
global agXsdToClassName
if (agXsdToClassName == None):
agXsdToClassName = {
"ag:append" : "activegrid.model.processmodel.AppendOperation",
"ag:attribute" : "activegrid.model.identitymodel.Attribute",
"ag:body" : "activegrid.model.processmodel.Body",
"ag:category_substitutions" : "activegrid.server.layoutrenderer.CategorySubstitutions",
"ag:command" : "activegrid.model.wsdl.Command",
"ag:setElement" : "activegrid.model.processmodel.SetElementOperation",
"ag:css" : "activegrid.server.layoutrenderer.CSS",
"ag:databaseService" : "activegrid.server.deployment.DatabaseService",
"ag:datasource" : "activegrid.data.dataservice.DataSource",
"ag:dataObjectList" : "activegrid.data.datalang.DataObjectList",
"ag:debug" : "activegrid.model.processmodel.DebugOperation",
"ag:deployment" : "activegrid.server.deployment.Deployment",
"ag:formData" : "activegrid.model.processmodel.FormData",
"ag:formVar" : "activegrid.model.processmodel.FormVar",
"ag:generator" : "activegrid.server.layoutrenderer.SerializableGenerator",
"ag:head" : "activegrid.server.layoutrenderer.Head",
"ag:hr" : "activegrid.model.processmodel.HorizontalRow",
"ag:identity" : "activegrid.model.identitymodel.Identity",
"ag:identityref" : "activegrid.server.deployment.IdentityRef",
"ag:image" : "activegrid.model.processmodel.Image",
"ag:inputPart" : "activegrid.model.processmodel.InputPart",
"ag:keystore" : "activegrid.model.identitymodel.KeyStore",
"ag:label" : "activegrid.model.processmodel.Label",
"ag:layout" : "activegrid.server.layoutrenderer.Layout",
"ag:layouts" : "activegrid.server.layoutrenderer.Layouts",
"ag:ldapsource" : "activegrid.model.identitymodel.LDAPSource",
"ag:localService" : "activegrid.server.deployment.LocalService",
"ag:parameter" : "activegrid.server.layoutrenderer.Parameter",
"ag:parameters" : "activegrid.server.layoutrenderer.Parameters",
"ag:postInitialize" : "activegrid.model.processmodel.PostInitialize",
"ag:processref" : "activegrid.server.deployment.ProcessRef",
"ag:query" : "activegrid.model.processmodel.Query",
"ag:soapService" : "activegrid.server.deployment.SoapService",
"ag:redirect" : "activegrid.server.layoutrenderer.Redirect",
"ag:requiredFile" : "activegrid.server.layoutrenderer.RequiredFile",
"ag:resource" : "activegrid.model.identitymodel.IDResource",
"ag:restService" : "activegrid.server.deployment.RestService",
"ag:rewrite" : "activegrid.model.wsdl.Rewrite",
"ag:role" : "activegrid.model.identitymodel.IDRole",
"ag:roledefn" : "activegrid.model.identitymodel.RoleDefn",
"ag:rssService" : "activegrid.server.deployment.RssService",
"ag:rule" : "activegrid.model.identitymodel.IDRule",
"ag:schemaOptions" : "activegrid.model.schema.SchemaOptions",
"ag:schemaref" : "activegrid.server.deployment.SchemaRef",
"ag:serviceCache" : "activegrid.server.deployment.ServiceCache",
"ag:serviceExtension": "activegrid.model.wsdl.ServiceExtension",
"ag:serviceExtensions": "activegrid.model.wsdl.ServiceExtensions",
"ag:serviceParameter": "activegrid.server.deployment.ServiceParameter",
"ag:serviceref" : "activegrid.server.deployment.ServiceRef",
"ag:set" : "activegrid.model.processmodel.SetOperation",
"ag:skinref" : "activegrid.server.deployment.SkinRef",
"ag:skin" : "activegrid.server.layoutrenderer.Skin",
"ag:skin_element_ref": "activegrid.server.layoutrenderer.SkinElementRef",
"ag:skin_element" : "activegrid.server.layoutrenderer.SkinElement",
"ag:skins" : "activegrid.server.layoutrenderer.Skins",
"ag:substitution" : "activegrid.server.layoutrenderer.Substitution",
"ag:text" : "activegrid.model.processmodel.Text",
"ag:title" : "activegrid.model.processmodel.Title",
"ag:usertemplate" : "activegrid.model.identitymodel.UserTemplate",
"ag:xformref" : "activegrid.server.deployment.XFormRef",
"bpws:case" : "activegrid.model.processmodel.BPELCase",
"bpws:catch" : "activegrid.model.processmodel.BPELCatch",
"bpws:faultHandlers" : "activegrid.model.processmodel.BPELFaultHandlers",
"bpws:flow" : "activegrid.model.processmodel.BPELFlow",
"bpws:invoke" : "activegrid.model.processmodel.BPELInvoke",
"bpws:onMessage" : "activegrid.model.processmodel.BPELOnMessage",
"bpws:otherwise" : "activegrid.model.processmodel.BPELOtherwise",
"bpws:pick" : "activegrid.model.processmodel.BPELPick",
"bpws:process" : "activegrid.model.processmodel.BPELProcess",
"bpws:receive" : "activegrid.model.processmodel.BPELReceive",
"bpws:reply" : "activegrid.model.processmodel.BPELReply",
"bpws:scope" : "activegrid.model.processmodel.BPELScope",
"bpws:sequence" : "activegrid.model.processmodel.BPELSequence",
"bpws:switch" : "activegrid.model.processmodel.BPELSwitch",
"bpws:terminate" : "activegrid.model.processmodel.BPELTerminate",
"bpws:variable" : "activegrid.model.processmodel.BPELVariable",
"bpws:variables" : "activegrid.model.processmodel.BPELVariables",
"bpws:while" : "activegrid.model.processmodel.BPELWhile",
"http:address" : "activegrid.model.wsdl.HttpAddress",
"http:binding" : "activegrid.model.wsdl.HttpBinding",
"http:operation" : "activegrid.model.wsdl.HttpOperation",
"http:urlEncoded" : "activegrid.model.wsdl.HttpUrlEncoded",
"mime:content" : "activegrid.model.wsdl.MimeContent",
"mime:mimeXml" : "activegrid.model.wsdl.MimeMimeXml",
"soap:address" : "activegrid.model.wsdl.SoapAddress",
"soap:binding" : "activegrid.model.wsdl.SoapBinding",
"soap:body" : "activegrid.model.wsdl.SoapBody",
"soap:fault" : "activegrid.model.wsdl.SoapFault",
"soap:header" : "activegrid.model.wsdl.SoapHeader",
"soap:operation" : "activegrid.model.wsdl.SoapOperation",
"soap12:address" : "activegrid.model.wsdl.Soap12Address",
"soap12:binding" : "activegrid.model.wsdl.Soap12Binding",
"soap12:body" : "activegrid.model.wsdl.Soap12Body",
"soap12:fault" : "activegrid.model.wsdl.Soap12Fault",
"soap12:header" : "activegrid.model.wsdl.Soap12Header",
"soap12:operation" : "activegrid.model.wsdl.Soap12Operation",
"wsdl:binding" : "activegrid.model.wsdl.WsdlBinding",
"wsdl:definitions" : "activegrid.model.wsdl.WsdlDocument",
"wsdl:documentation" : "activegrid.model.wsdl.WsdlDocumentation",
"wsdl:fault" : "activegrid.model.wsdl.WsdlFault",
"wsdl:import" : "activegrid.model.wsdl.WsdlImport",
"wsdl:input" : "activegrid.model.wsdl.WsdlInput",
"wsdl:message" : "activegrid.model.wsdl.WsdlMessage",
"wsdl:operation" : "activegrid.model.wsdl.WsdlOperation",
"wsdl:output" : "activegrid.model.wsdl.WsdlOutput",
"wsdl:part" : "activegrid.model.wsdl.WsdlPart",
"wsdl:port" : "activegrid.model.wsdl.WsdlPort",
"wsdl:portType" : "activegrid.model.wsdl.WsdlPortType",
"wsdl:service" : "activegrid.model.wsdl.WsdlService",
"wsdl:types" : "activegrid.model.wsdl.WsdlTypes",
"xacml:Action" : "activegrid.model.identitymodel.XACMLAction",
"xacml:ActionAttributeDesignator" : "activegrid.model.identitymodel.XACMLActionAttributeDesignator",
"xacml:ActionMatch" : "activegrid.model.identitymodel.XACMLActionMatch",
"xacml:Actions" : "activegrid.model.identitymodel.XACMLActions",
"xacml:AttributeValue" : "activegrid.model.identitymodel.XACMLAttributeValue",
"xacml:Policy" : "activegrid.model.identitymodel.XACMLPolicy",
"xacml:Resource" : "activegrid.model.identitymodel.XACMLResource",
"xacml:ResourceAttributeDesignator" : "activegrid.model.identitymodel.XACMLResourceAttributeDesignator",
"xacml:ResourceMatch" : "activegrid.model.identitymodel.XACMLResourceMatch",
"xacml:Resources" : "activegrid.model.identitymodel.XACMLResources",
"xacml:Rule" : "activegrid.model.identitymodel.XACMLRule",
"xacml:Target" : "activegrid.model.identitymodel.XACMLTarget",
"xforms:copy" : "activegrid.model.processmodel.XFormsCopy",
"xforms:group" : "activegrid.model.processmodel.XFormsGroup",
"xforms:include" : "activegrid.model.processmodel.XFormsInclude",
"xforms:input" : "activegrid.model.processmodel.XFormsInput",
"xforms:item" : "activegrid.model.processmodel.XFormsItem",
"xforms:itemset" : "activegrid.model.processmodel.XFormsItemset",
"xforms:label" : "activegrid.model.processmodel.XFormsLabel",
"xforms:model" : "activegrid.model.processmodel.XFormsModel",
"xforms:output" : "activegrid.model.processmodel.XFormsOutput",
"xforms:secret" : "activegrid.model.processmodel.XFormsSecret",
"xforms:select1" : "activegrid.model.processmodel.XFormsSelect1",
"xforms:submission" : "activegrid.model.processmodel.XFormsSubmission",
"xforms:submit" : "activegrid.model.processmodel.XFormsSubmit",
"xforms:value" : "activegrid.model.processmodel.XFormsValue",
"xforms:xform" : "activegrid.model.processmodel.View",
"xforms:xforms" : "activegrid.model.processmodel.XFormsRoot",
"xs:all" : "activegrid.model.schema.XsdSequence",
"xs:any" : "activegrid.model.schema.XsdAny",
"xs:anyAttribute" : "activegrid.model.schema.XsdAnyAttribute",
"xs:attribute" : "activegrid.model.schema.XsdAttribute",
"xs:choice" : "activegrid.model.schema.XsdChoice",
"xs:complexContent" : "activegrid.model.schema.XsdComplexContent",
"xs:complexType" : "activegrid.model.schema.XsdComplexType",
"xs:documentation" : "activegrid.model.schema.XsdDocumentation",
"xs:element" : "activegrid.model.schema.XsdElement",
"xs:enumeration" : "activegrid.model.schema.XsdFacetEnumeration",
"xs:extension" : "activegrid.model.schema.XsdExtension",
"xs:fractionDigits" : "activegrid.model.schema.XsdFacetFractionDigits",
"xs:field" : "activegrid.model.schema.XsdKeyField",
"xs:import" : "activegrid.model.schema.XsdInclude",
"xs:include" : "activegrid.model.schema.XsdInclude",
"xs:key" : "activegrid.model.schema.XsdKey",
"xs:keyref" : "activegrid.model.schema.XsdKeyRef",
"xs:length" : "activegrid.model.schema.XsdFacetLength",
"xs:list" : "activegrid.model.schema.XsdList",
"xs:maxExclusive" : "activegrid.model.schema.XsdFacetMaxExclusive",
"xs:maxInclusive" : "activegrid.model.schema.XsdFacetMaxInclusive",
"xs:maxLength" : "activegrid.model.schema.XsdFacetMaxLength",
"xs:minExclusive" : "activegrid.model.schema.XsdFacetMinExclusive",
"xs:minInclusive" : "activegrid.model.schema.XsdFacetMinInclusive",
"xs:minLength" : "activegrid.model.schema.XsdFacetMinLength",
"xs:pattern" : "activegrid.model.schema.XsdFacetPattern",
"xs:restriction" : "activegrid.model.schema.XsdRestriction",
"xs:schema" : "activegrid.model.schema.Schema",
"xs:selector" : "activegrid.model.schema.XsdKeySelector",
"xs:sequence" : "activegrid.model.schema.XsdSequence",
"xs:simpleContent" : "activegrid.model.schema.XsdSimpleContent",
"xs:simpleType" : "activegrid.model.schema.XsdSimpleType",
"xs:totalDigits" : "activegrid.model.schema.XsdFacetTotalDigits",
"xs:whiteSpace" : "activegrid.model.schema.XsdFacetWhiteSpace",
}
return agXsdToClassName
global agKnownTypes
agKnownTypes = None
def getAgKnownTypes():
global agKnownTypes
if agKnownTypes == None:
try:
tmpAgKnownTypes = {}
import activegrid.model.processmodel
import activegrid.model.schema
import activegrid.server.deployment
import activegrid.model.wsdl
ifDefPy()
import activegrid.data.dataservice
endIfDef()
for keyName, className in getAgXsdToClassName().iteritems():
classType = objutils.classForName(className)
if (classType == None):
raise Exception("Cannot get class type for %s" % className)
else:
tmpAgKnownTypes[keyName] = classType
if len(tmpAgKnownTypes) > 0:
agKnownTypes = tmpAgKnownTypes
except ImportError:
agKnownTypes = {}
if len(agKnownTypes) == 0: # standalone IDE and XmlMarshaller don't contain known AG types
noKnownNamespaces = {}
return agKnownTypes, noKnownNamespaces
return agKnownTypes, KNOWN_NAMESPACES
|
