1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
# json2xml.py - Convert JSON into XML
#
# Copyright (c) 2009-2012 Antti Ajanki <antti.ajanki@iki.fi>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Convert a JSON-serialized object into XML.
JSON strings and numbers are converted into nodes.
JSON array [...] is converted into <list><li>...</li></list>
JSON object {"key": "bar"} is converted into <dict><key>bar</key><dict>
"""
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()
|
