silver0...@gmail.com wrote:
> Hi all,
>
> I have a understanding problem with return values from xmltodict.
>
> I have a xml file. Content:
>
> <?xml version="1.0" encoding="utf-8" ?>
> <profiles>
> <profile id='visio02' revision='2015051501' >
> <package package-id='0964-gpg4win' />
> </profile>
> </profiles>
> <!--
> -->
>
> With code
>
> __f_name = '<path_to_file>'
> with open(__f_name) as __fd:
> __doc = xmltodict.parse(__fd.read())
>
> __doc
>
> I get
>
> OrderedDict([(u'profiles', OrderedDict([(u'profile', OrderedDict([(u'@id',
> u'visio02'), (u'@revision', u'2015051501'), (u'package',
> OrderedDict([(u'@package-id', u'0964-gpg4win')]))]))]))])
>
> If I use
>
> __doc['profiles']['profile']['package'][0]['@package-id']
>
> I get
>
> Traceback (most recent call last):
> File "<input>", line 1, in <module>
> KeyError: 0
>
> If I change xml file like this:
>
> <?xml version="1.0" encoding="utf-8" ?>
> <profiles>
> <profile id='visio02' revision='2015051501' >
> <package package-id='0964-gpg4win' />
> <package package-id='0965-gpg4win' />
> </profile>
> </profiles>
>
> and run code from above the result is:
>
> OrderedDict([(u'profiles', OrderedDict([(u'profile', OrderedDict([(u'@id',
> u'visio02'), (u'@revision', u'2015051501'), (u'package',
> [OrderedDict([(u'@package-id', u'0964-gpg4win')]),
> OrderedDict([(u'@package-id', u'0965-gpg4win')])])]))]))])
>
> No prints __doc['profiles']['profile']['package'][0]['@package-id']:
>
> u'0964-gpg4win'
>
> Can everybody explain this?
Not everybody, but Chris and a few others can ;)
> Many thanks in advance
I don't see an official way to pass a custom dict type to the library,
but if you are not afraid to change its source code the following patch
will allow you to access the value of dictionaries with a single entry as d[0]:
$ diff -u py2b_xmltodict/local/lib/python2.7/site-packages/xmltodict.py
py2_xmltodict/local/lib/python2.7/site-packages/xmltodict.py
--- py2b_xmltodict/local/lib/python2.7/site-packages/xmltodict.py
2016-05-18 11:18:44.000000000 +0200
+++ py2_xmltodict/local/lib/python2.7/site-packages/xmltodict.py
2016-05-18 11:11:13.417665697 +0200
@@ -35,6 +35,13 @@
__version__ = '0.10.1'
__license__ = 'MIT'
+_OrderedDict = OrderedDict
+class OrderedDict(_OrderedDict):
+ def __getitem__(self, key):
+ if key == 0:
+ [result] = self.values()
+ return result
+ return _OrderedDict.__getitem__(self, key)
class ParsingInterrupted(Exception):
pass
--
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