Hi,
I am using generateDS to parse an XML Signature. When I attempt to parse the
signature XML, I encounter an error in a buildChildren method:
$ python xmldsig.py sig.xml
Traceback (most recent call last):
File "xmldsig.py", line 3511, in <module>
main()
File "xmldsig.py", line 3504, in main
parse(args[0])
File "xmldsig.py", line 3420, in parse
rootObj.build(rootNode)
File "xmldsig.py", line 796, in build
self.buildChildren(child, node, nodeName_)
File "xmldsig.py", line 816, in buildChildren
obj_.build(child_)
File "xmldsig.py", line 1845, in build
self.buildChildren(child, node, nodeName_)
File "xmldsig.py", line 1879, in buildChildren
obj_ = X509Data.factory()
NameError: name 'X509Data' is not defined
It appears that the generated code is using the element name (‘X509Data’) when
it should be using the type/class name (‘X509DataType’). If I regenerate the
code with this switch:
$generateDS —fix-type-names “X509DataType:X509Data” xmldsig.xsd
It parses correctly. The schema is here:
https://www.w3.org/TR/2002/REC-xmldsig-core-20020212/xmldsig-core-schema.xsd
<https://www.w3.org/TR/2002/REC-xmldsig-core-20020212/xmldsig-core-schema.xsd>
and the relevant bits are:
<complexType name="KeyInfoType" mixed="true">
<choice maxOccurs="unbounded">
...
<element ref="ds:X509Data"/>
...
<any processContents="lax" namespace="##other"/>
<!-- (1,1) elements from (0,unbounded) namespaces -->
</choice>
<attribute name="Id" type="ID" use="optional"/>
</complexType>
...
<!-- Start X509Data -->
<element name="X509Data" type="ds:X509DataType"/>
<complexType name="X509DataType">
<sequence maxOccurs="unbounded">
<choice>
...
</choice>
</sequence>
</complexType>
I don’t understand why the generated code is calling X509Data.factory() instead
of X509DataType.factory(). X509DataType is the name of the class in the
generated py file.
Is this a bug or is there something unusual in the XSD that causes this? Is
the —fix-type-names switch a proper work around?
Thanks in advance for any help.
-Bob
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