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
|
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2008 Zuza Software Foundation
#
# This file is part of translate.
#
# translate 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 2 of the License, or
# (at your option) any later version.
#
# translate 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 translate; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
class XmlNamespace(object):
def __init__(self, namespace):
self._namespace = namespace
def name(self, tag):
return "{%s}%s" % (self._namespace, tag)
class XmlNamer(object):
"""Initialize me with a DOM node or a DOM document node (the
toplevel node you get when parsing an XML file). Then use me
to generate fully qualified XML names.
>>> xml = '<office:document-styles xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0"></office>'
>>> from lxml import etree
>>> namer = XmlNamer(etree.fromstring(xml))
>>> namer.name('office', 'blah')
{urn:oasis:names:tc:opendocument:xmlns:office:1.0}blah
>>> namer.name('office:blah')
{urn:oasis:names:tc:opendocument:xmlns:office:1.0}blah
I can also give you XmlNamespace objects if you give me the abbreviated
namespace name. These are useful if you need to reference a namespace
continuously.
>>> office_ns = name.namespace('office')
>>> office_ns.name('foo')
{urn:oasis:names:tc:opendocument:xmlns:office:1.0}foo
"""
def __init__(self, dom_node):
# Allow the user to pass a dom node of the
# XML document nodle
if hasattr(dom_node, 'nsmap'):
self.nsmap = dom_node.nsmap
else:
self.nsmap = dom_node.getroot().nsmap
def name(self, namespace_shortcut, tag=None):
# If the user doesn't pass an argument into 'tag'
# then namespace_shortcut contains a tag of the form
# 'short-namespace:tag'
if tag is None:
namespace_shortcut, tag = namespace_shortcut.split(':')
return "{%s}%s" % (self.nsmap[namespace_shortcut], tag)
def namespace(self, namespace_shortcut):
return XmlNamespace(self.nsmap[namespace_shortcut])
|
