import_plWordnet.py
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#! /usr/bin/python
# -*- coding: utf-8 -*-
from django.core.management.base import BaseCommand
import sys, os, codecs
from xml.sax import saxutils, handler, make_parser
from wordnet.models import Synset, LexicalUnit, Hypernymy, Synonymy
from settings import PROJECT_PATH
BULK = 250
class PlWNHandler(handler.ContentHandler):
def __init__(self, out = sys.stdout):
handler.ContentHandler.__init__(self)
self._out = out
self._lexical_units = {}
self._reflexive_lexical_units = {}
self._mutual_lexical_units = {}
self._synsets = {}
self._root_synsets_ids = set()
self._root_synsets = []
self._defined_synset = -1
self._unit = False
self._content = ''
self._other_synset_relations = set()
self._lexical_relations = set()
self._synsets_to_base = []
self._lexical_units_to_base = []
self._hypernymy_to_base = []
self._synonymy_to_base = []
def startElement(self, name, attrs):
if name == 'lexical-unit':
if 'pwn' not in attrs['pos']:
luid = int(attrs['id'])
lubase = attrs['name']
lusense = int(attrs['variant'])
pos = attrs['pos']
desc = attrs['desc']
self._lexical_units[luid] = (lubase, lusense, pos, desc)
elif name == 'synset':
sid = int(attrs['id'])
self._defined_synset = sid
s = Synset(id=sid)
self._synsets_to_base.append(s)
self._synsets[sid] = s
elif name == 'unit-id':
self._unit = True
elif name == 'synsetrelations':
if attrs['valid'] == 'true':
parent = int(attrs['parent'])
child = int(attrs['child'])
relation = int(attrs['relation'])
if child in self._synsets and parent in self._synsets:
if relation == 11: # hiperonimia
p = self._synsets[parent]
c = self._synsets[child]
h = Hypernymy(parent=p,child=c)
self._hypernymy_to_base.append(h)
elif relation == 60: # bliskoznacznosc
p = self._synsets[parent]
c = self._synsets[child]
s = Synonymy(parent=p,child=c)
self._synonymy_to_base.append(s)
def endElement(self, name):
if name == 'synset':
self._defined_synset = -1
elif name == 'unit-id':
luid = int(self._content)
if luid in self._lexical_units:
s = self._synsets[self._defined_synset]
lubase, lusense, pos, desc = self._lexical_units[luid]
lu = LexicalUnit(luid=luid, base=lubase, sense=lusense, pos=pos, synset=s, glossa='', definition=desc)
# print luid, lubase, lusense
self._lexical_units_to_base.append(lu)
self._unit = False
self._content = ''
def characters(self, content):
if self._unit and self._defined_synset >= 0 and content.strip():
self._content += content
def endDocument(self):
pass
#==========================================================#
class Command(BaseCommand):
args = 'none'
help = ''
def handle(self, **options):
import_plWordnet()
def import_plWordnet():
f = os.path.join(PROJECT_PATH, 'data', 'semantics', 'plwordnet_2_1.xml')
parser = make_parser()
parser.setContentHandler(PlWNHandler())
print "Parsing Wordnet..."
parser.parse(f)
print "...DONE"
print ""
print "Storing synsets..."
synsets = parser.getContentHandler()._synsets_to_base
max_len = len(synsets)
i = 0
while i*BULK < max_len:
store = synsets[i*BULK:min((i+1)*BULK, max_len)]
Synset.objects.bulk_create(store)
i += 1
print str(i*BULK) + "..."
print "...DONE"
print ""
print "Storing lexical units..."
lexical_units = parser.getContentHandler()._lexical_units_to_base
max_len = len(lexical_units)
i = 0
while i*BULK < max_len:
store = lexical_units[i*BULK:min((i+1)*BULK, max_len)]
LexicalUnit.objects.bulk_create(store)
i += 1
print str(i*BULK) + "..."
print "...DONE"
print ""
print "Storing hypernymy..."
hypernymy = parser.getContentHandler()._hypernymy_to_base
max_len = len(hypernymy)
i = 0
while i*BULK < max_len:
store = hypernymy[i*BULK:min((i+1)*BULK, max_len)]
Hypernymy.objects.bulk_create(store)
i += 1
print str(i*BULK) + "..."
print "...DONE"
print ""
print "Storing synonymy..."
synonymy = parser.getContentHandler()._hypernymy_to_base
max_len = len(synonymy)
i = 0
while i*BULK < max_len:
store = synonymy[i*BULK:min((i+1)*BULK, max_len)]
Synonymy.objects.bulk_create(store)
i += 1
print str(i*BULK) + "..."
print "...DONE"