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import sys
import libxml2
try:
import json
except ImportError:
try:
import simplejson as json
except ImportError:
print 'Error: install simplejson'
raise
def _serialize_to_xml(obj, xmlnode):
"""Create XML representation of a Python object (list, tuple,
dist, or basic number and string types)."""
if type(obj) in (list, tuple):
listnode = libxml2.newNode('list')
for li in obj:
itemnode = libxml2.newNode('li')
_serialize_to_xml(li, itemnode)
listnode.addChild(itemnode)
xmlnode.addChild(listnode)
elif type(obj) == dict:
dictnode = libxml2.newNode('dict')
for key, val in obj.iteritems():
itemnode = libxml2.newNode(key.encode('utf-8'))
_serialize_to_xml(val, itemnode)
dictnode.addChild(itemnode)
xmlnode.addChild(dictnode)
elif type(obj) in (str, unicode, int, long, float, complex, bool):
content = libxml2.newText(unicode(obj).encode('utf-8'))
xmlnode.addChild(content)
elif type(obj) == type(None):
pass
else:
raise TypeError('Unsupported type %s while serializing to xml'
% type(obj))
def json2xml(jsonstr, encoding=None):
"""Convert JSON string jsonstr to XML tree."""
try:
parsed = json.loads(jsonstr, encoding)
except ValueError:
return None
xmldoc = libxml2.newDoc("1.0")
root = libxml2.newNode("jsondocument")
xmldoc.setRootElement(root)
_serialize_to_xml(parsed, root)
return xmldoc
def test():
xml = json2xml(open(sys.argv[1]).read())
if xml is None:
return
print xml.serialize('utf-8')
xml.freeDoc()
if __name__ == '__main__':
test()
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