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# Natural Language Toolkit: Support for OLAC Metadata
#
# Copyright (C) 2001-2009 NLTK Project
# Author: Steven Bird <sb@csse.unimelb.edu.au>
# URL: <http://www.nltk.org/>
# For license information, see LICENSE.TXT
from StringIO import StringIO
def read_olac(xml):
"""
Read an OLAC XML record and return a list of attributes.
@param xml: XML string for conversion
@type xml: C{string}
@rtype: C{list} of C{tuple}
"""
from lxml import etree
root = etree.parse(StringIO(xml)).getroot()
return [(element.tag, element.attrib, element.text) for element in root.getchildren()]
def pprint_olac(xml):
for tag, attrib, text in read_olac(xml):
print "%-12s" % tag + ':',
if text:
print text,
if attrib:
print "(%s=%s)" % (attrib['type'], attrib['code']),
print
def demo():
from lxml import etree
import nltk.data
file = nltk.data.find('corpora/treebank/olac.xml')
xml = open(file).read()
pprint_olac(xml)
if __name__ == '__main__':
demo()
__all__ = ['read_olac', 'pprint_olac']
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