python实现xml转json文件的示例代码
使用了Python的xml.etree.ElementTree库
xml.etree.ElementTree库简介
xml.etree.ElementTree模块实现了一个简单而高效的API用于解析和创建XML数据。xml.etree.ElementTree模块对于恶意构造的数据是不安全的。如果您需要解析不受信任或未经验证的数据，请参阅XML漏洞。
参考文献：https://docs.python.org/3.6/library/xml.etree.elementtree.html
fromxml.etreeimportElementTree
importjson
LISTTYPE=1
DICTTYPE=0
defgetDictResults(res_dicts,iters):
result_dicts={}
foriteriniters.getchildren():
iterxml(iter,result_dicts)
ifresult_dicts:
res_dicts[iters.tag].update(result_dicts)
defgetListResults(res_dicts,iters):
result_lists=[]
foriteriniters.getchildren():
result_dicts={}
iterxml(iter,result_dicts)
result_lists.append(result_dicts.copy())
del(result_dicts)
ifresult_lists:
iflen(res_dicts[iters.tag].items())==0:
res_dicts[iters.tag]=result_lists.copy()
else:
forresobjinresult_lists:
resobjkey=list(resobj.keys())[0]
ifres_dicts[iters.tag].get(resobjkey)==None:
res_dicts[iters.tag].update(resobj)
else:
iftype(res_dicts[iters.tag][resobjkey])==list:
res_dicts[iters.tag][resobjkey].append(resobj[resobjkey].copy())
else:
old_value=res_dicts[iters.tag][resobjkey]
res_dicts[iters.tag][resobjkey]=[]
res_dicts[iters.tag][resobjkey].append(old_value)
res_dicts[iters.tag][resobjkey].append(resobj[resobjkey].copy())
del(result_lists)
defcheckxmlchildrentype(iters):
taglist=[]
foriteriniters.getchildren():
taglist.append(iter.tag)
iflen(set(taglist))==len(taglist):
returnDICTTYPE
else:
returnLISTTYPE
defgetResults(res_dicts,iters):
ifcheckxmlchildrentype(iters):
returngetListResults(res_dicts,iters)
else:
returngetDictResults(res_dicts,iters)
#@res_dicts{}
defiterxml(iter,res_dicts):
res_dicts[iter.tag]={}
ifiter.attrib:
fork,vindict(iter.attrib).items():
res_dicts[iter.tag].update({k:v})
ifiter.textisnotNoneanditer.text.strip()!="":
res_dicts[iter.tag].update({"__XmlTagText__":iter.text.strip()})
ifiter.getchildren():
getResults(res_dicts,iter)
defparserxmltojson(file_path):
try:
tree=ElementTree.parse(file_path)
exceptExceptionase:
#multi-byteencodingsarenotsupported把字符集改成utf-8就可以
#encodingspecifiedinXMLdeclarationisincorrectxmlencoding标识和文件的字符集不同
#syntaxerror语法错误，乱码等
#notwell-formed(invalidtoken)编辑器点击后字符集被修改成ASCII等，或者文件本身字符集和xmlencoding不相同
print("Parser{}Error,Errmsg:{}".format(file_path,e))
return""
iftreeisNone:
print("{}isNone.".format(file_path))
return""
root=tree.getroot()
report={}
iterxml(root,report)
#returngetDictResults(root)
returnreport
if__name__=="__main__":
jsonret=parserxmltojson("test.xml")
withopen("test.json","w",encoding="utf-8")asfd:
fd.write(json.dumps(jsonret,ensure_ascii=False,indent=4))
print(json.dumps(jsonret,ensure_ascii=False,indent=4))
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