我试图用这个注册命名空间:ElementTree的寄存器命名空间的错误
ET.register_namespace("inv", "http://www.stormware.cz/schema/version_2/invoice.xsd")
,但它不工作:
Traceback (most recent call last):
File "C:\tutorial\temp_xml2.py", line 34, in module>
for listInvoice in root.findall('inv:invoiceHeader'):
File "C:\Python27\LIB\xml\etree\ElementTree.py", line 390, in findall
return ElementPath.findall(self, path, namespaces)
File "C:\Python27\LIB\xml\etree\ElementPath.py", line 293, in findall
return list(iterfind(elem, path, namespaces))
File "C:\Python27\LIB\xml\etree\ElementPath.py", line 259, in iterfind
token = next()
File "C:\Python27\LIB\xml\etree\ElementPath.py", line 83, in xpath_tokenizer
raise SyntaxError("prefix %r not found in prefix map" % prefix)
SyntaxError: prefix 'inv' not found in prefix map
>>>
有什么错呢?
由于Martinj
我试图 - 1 .:
for listInvoice in root.findall('inv:invoiceHeader', namespaces=dict(inv='http://www.stormware.cz/schema/version_2/invoice.xsd')):
invoiceHeader = listInvoice.find('inv:id', namespaces=dict(inv='http://www.stormware.cz/schema/version_2/invoice.xsd')).text
print invoiceHeader
结果:(空)
2:
nsmap=root.nsmap
print nsmap
结果:AttributeError的:'元素'对象没有属性'ns地图”
3:
for listInvoice in root.findall('.//{http://www.stormware.cz/schema/version_2/invoice.xsd}invoiceHeader'):
invoiceHeader = listInvoice.find('.//{http://www.stormware.cz/schema/version_2/invoice.xsd}id').text
print invoiceHeader
结果:工程确定。
是否有机会一次注册名称空间?然后我想使用listInvoice.find('inv:id')。text代替listInvoice.find('.// {http://www.stormware.cz/schema/version_2/invoice.xsd} id') .text(更好的代码和易于阅读)
这个答案看起来很像你的http://stackoverflow.com/a/12861866/735204 –