我创建了一个XML读取器,它创建了一个非常笨的格式化List,但使用它的脚本需要这种方式。.Net 2.0中的IronPython XML读取器
import xml.etree.ElementTree as ET
PATH_IN = "<Path>\sweep.xml"
tree = ET.parse(PATH_IN)
root = tree.getroot()
Input = []
for project in root:
for design in project:
list_lvl2 = []
list_lvl2.append(project.get('name'))
list_lvl2.append(design.get('name'))
list_lvl2.append('')
list_lvl3 = []
for param in design:
list_lvl4 = []
list_lvl4.append(param.get('name'))
list_lvl5 = []
for steps in param:
list_lvl5.append(steps.text)
list_lvl4.append(list_lvl5)
list_lvl4.append(param.get('unit'))
list_lvl3.append(list_lvl4)
list_lvl2.append(list_lvl3)
Input.append(list_lvl2)
问题是我在.NET上2.0.50727.5466使用IronPython的2.6.10920.0程序的脚本接口来执行它。而它抛出以下错误:
*Global - Messages
[error] ImportException: No module named expat; use SimpleXMLTreeBuilder instead In file "<Path>/sweep.py", line 36 ---- While executing script: <Path>/sweep.py
[error] Error executing script in <Path>\sweep.py:
[error] ImportException: No module named expat; use SimpleXMLTreeBuilder instead In file "<Path>/sweep.py", line 36 ---- While executing script: <Path>/sweep.py
[error] Error executing script in <Path>\sweep.py:
我不明白的是,这个脚本使用相同的模块正常工作:
import xml.etree.ElementTree as ET
path = "<Path>\projects.xml"
root = ET.Element('xml')
projects = oDesktop.GetProjectList()
for i in projects:
project = ET.SubElement(root,'project')
project.set('name', i)
designs = oDesktop.SetActiveProject(i).GetTopDesignList()
for u in designs:
design = ET.SubElement(project,'design')
design.set('name', u)
vars = oDesktop.SetActiveProject(i).GetDesign(u).GetVariables()
for z in vars:
param = ET.SubElement(design,'param')
param.set('name', z)
value = ET.SubElement(param,'value')
value.text = oDesktop.SetActiveProject(i).GetDesign(u).GetVariableValue(z)
f = open(path, "w")
tree = ET.ElementTree(root)
tree.write(f)
f.close()
oDesktop和这样是获取数据只是programspecific功能。 我真的不明白为什么第一个脚本不能工作,我猜是因为NET 2.0。
更新:查找expat后,我更加困惑,因为我从不在任何地方使用它,所以我使用的所有elementtree函数都应该支持这个版本的Iron Python。不过它给我的外籍错误在这条线tree = ET.parse(PATH_IN)
UPDATE:我试着用from elementtree import SimpleXMLTreeBuilder as ET
这就造成:
*Global - Messages
[error] ImportException: No module named elementtree In file "<Path>/sweep.py", line 3 ---- While executing script: <Path>/sweep.py
[error] Error executing script in <Path>\sweep.py:
默认情况下,'ElementTree'使用'expat'来解析xml。你的其他脚本是*写* XML不解析*,所以没有问题。尽管如此,你仍然会遇到这个错误仍然很奇怪。也许你的IronPython安装被破坏了?尝试使用[另一个treebuilder](http://stackoverflow.com/a/2067177/1002469),甚至使用.NET XML解析器查找/制作自己的树型构建器。 – 2013-02-26 12:49:47
我的铁蟒字典中没有elementtree文件夹还有没有其他使用expat的xml读者? – Yui 2013-02-26 14:59:23