我有一个xml文件要解析。我使用python的minidom解析器完成了这一操作。我必须在解析之后为一个特定的元素添加一个属性。现在,我想把文件写回去。我做不到。
下面是我为此得到的错误跟踪。我今天安装了numpy 1.8(win 32 python 2.7)版本。但是,我从来没有尝试过写xml文件之前。你能帮帮忙吗?
下面是代码片段:
xmlfile=open(xmlFile,'r')
xmldoc = minidom.parse(xmlFile)
tElements = xmldoc.getElementsByTagName("TEA")
for t in tElements:
if(t.childNodes):
print t.nodeType
dataList = t.childNodes[0].data
for data, csvData in product(dataList, clusterDataList):
if(data == csvData[1]):
t.setAttribute("cluster",csvData[0])
xmlfile.close()
fileWriter=open("sujatha_new.xml",'w')
xmldoc.writexml(fileWriter)
fileWriter.close()
以下是例外:
Traceback (most recent call last):
File "C:\Users\w44ylqrl\workspace\Python\Test\T\XMLConverter.py", line 215, in <module>
addClusterInfo('..\\T\\preprocessed_For_Clustering\\outputs\\sujatha-new.csv', '..\\T\\xml\\sujatha.xml')
File "C:\Users\w44ylqrl\workspace\Python\Test\T\XMLConverter.py", line 48, in addClusterInfo
xmldoc.writexml(fileWriter)
File "C:\Python27\Lib\xml\dom\minidom.py", line 1752, in writexml
node.writexml(writer, indent, addindent, newl)
File "C:\Python27\Lib\xml\dom\minidom.py", line 817, in writexml
node.writexml(writer, indent+addindent, addindent, newl)
File "C:\Python27\Lib\xml\dom\minidom.py", line 817, in writexml
node.writexml(writer, indent+addindent, addindent, newl)
File "C:\Python27\Lib\xml\dom\minidom.py", line 817, in writexml
node.writexml(writer, indent+addindent, addindent, newl)
File "C:\Python27\Lib\xml\dom\minidom.py", line 817, in writexml
node.writexml(writer, indent+addindent, addindent, newl)
File "C:\Python27\Lib\xml\dom\minidom.py", line 817, in writexml
node.writexml(writer, indent+addindent, addindent, newl)
File "C:\Python27\Lib\xml\dom\minidom.py", line 807, in writexml
_write_data(writer, attrs[a_name].value)
File "C:\Python27\Lib\xml\dom\minidom.py", line 296, in _write_data
data = data.replace("&", "&").replace("<", "<"). \
AttributeError: 'numpy.int64' object has no attribute 'replace'
2条答案
按热度按时间daolsyd01#
没有一个python XML实现允许序列化非字符串表示,尽管如果你想滥用etree等,其中一些实现允许你分配它们。作为树状数据结构。有些(比如lxml)甚至不允许你分配它们。把它变成一个字符串:
它会成功的如果您也要反序列化这些值,则需要在加载后将值转换回int。
ibps3vxo2#
在DOM中添加非字符串类型时出错
最有可能的情况是,你要么试图添加一个(numpy)整数作为属性名称/值,要么试图向元素添加整数内容。
您可以通过使用类似
str()
函数的方法将所有整数转换为字符串来解决此问题。这也可能发生在其他类型,例如numpy.float64也是,但它绝不仅限于numpy类型,它影响所有非字符串类型。