Python pyxb无法识别的DdomRootNodeError
我有以下xml模式:Python pyxb无法识别的DdomRootNodeError,python,xml,exception,xsd,pyxb,Python,Xml,Exception,Xsd,Pyxb,我有以下xml模式: <xsd:schema attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <xsd:complexType name="DataPackage"> <xsd:sequence> <xsd:element name="timestamp"
<xsd:schema attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:complexType name="DataPackage">
<xsd:sequence>
<xsd:element name="timestamp" type="xsd:float" default="0.0"/>
<xsd:element name="type" type="xsd:string" default="None"/>
<xsd:element name="host" type="xsd:string" default="None"/>
<xsd:element name="data" type="Data" />
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="Data">
<xsd:sequence>
<xsd:element name="item" type="Item" minOccurs="0" maxOccurs="unbounded" />
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="Item">
<xsd:sequence>
<xsd:element name="key" type="xsd:string"/>
<xsd:element name="val" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:schema>
如果我尝试在python解释器中使用以下内容阅读此内容:
import DataPackage
xml = file("dataPackage-Test.xml").read()
data = DataPackage.CreateFromDocument(xml)
我得到一个例外:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "DataPackage.py", line 54, in CreateFromDocument
instance = handler.rootObject()
File "/usr/local/lib/python2.7/dist-packages/pyxb/binding/saxer.py", line 274, in rootObject
raise pyxb.UnrecognizedDOMRootNodeError(self.__rootObject)
pyxb.exceptions_.UnrecognizedDOMRootNodeError: <pyxb.utils.saxdom.Element object at 0x9c7c76c>
回溯(最近一次呼叫最后一次):
文件“”,第1行,在
CreateFromDocument中第54行的文件“DataPackage.py”
instance=handler.rootObject()
rootObject中的文件“/usr/local/lib/python2.7/dist-packages/pyxb/binding/saxer.py”,第274行
raise pyxb.UnrecognedDomRootNodeError(self.\uu rootObject)
pyxb.exceptions_u2;UnrecognizedDOMRootNodeError:
有人知道怎么回事吗?您的模式定义了一个名为DataPackage的顶级复杂类型,但没有定义任何顶级元素。因此,DOM元素数据包没有PyXB可以用来处理它的对应元素 您需要添加以下内容:
<element name="DataPackage" type="DataPackage"/>
请注意,在XML模式中,元素和类型的名称空间是不同的,但在Python中不是,因此PyXB将重命名其中一个(本例中的复杂类型)以避免冲突。看
<element name="DataPackage" type="DataPackage"/>