def load(self):
if not self._loaded:
self.indexFile = IndexFile(self.pos, self._filenameroot)
path = nltk_data.find('wordnet/data.%s' %
self._filenameroot)
self.dataFile = open(path, FILE_OPEN_MODE)
self._loaded = True
def _morphy(form, pos=NOUN):
pos = normalizePOS(pos)
section = {NOUN: NOUN, VERB: VERB, ADJECTIVE: ADJECTIVE, ADVERB: ADVERB}[pos]
excfile = open(nltk_data.find('wordnet/%s.exc' % section))
substitutions = MORPHOLOGICAL_SUBSTITUTIONS[pos]
dictionary=dictionaryFor(pos)
collection=[]
def trySubstitutions(form, # reduced form
substitutions): # remaining substitutions
if dictionary.has_key(form):
yield form
for n,(old,new) in enumerate(substitutions):
if form.endswith(old):
new_form = form[:-len(old)] + new
for f in trySubstitutions(new_form, substitutions[:n] +
substitutions[n+1:]):
yield f
exceptions = binarySearchFile(excfile, form)
if exceptions:
forms = exceptions[exceptions.find(' ')+1:-1].split()
for f in forms:
yield f
if pos == NOUN and form.endswith('ful'):
suffix = 'ful'
form = form[:-3]
else:
suffix = ''
for f in trySubstitutions(form, substitutions):
yield f + suffix
def __init__(self, pos, filenameroot):
"""
@type pos: {string}
@param pos: The part of speech of this index file e.g. 'noun'
@type filenameroot: {string}
@param filenameroot: The base filename of the index file.
"""
self.pos = pos
path = nltk_data.find("wordnet/index.%s" % filenameroot)
self.file = open(path, FILE_OPEN_MODE)
# Table of (pathname, offset) -> (line, nextOffset)
self.offsetLineCache = {}
self.rewind()
def _morphy(form, pos=NOUN):
pos = normalizePOS(pos)
section = {
NOUN: NOUN,
VERB: VERB,
ADJECTIVE: ADJECTIVE,
ADVERB: ADVERB
}[pos]
excfile = open(nltk_data.find('wordnet/%s.exc' % section))
substitutions = MORPHOLOGICAL_SUBSTITUTIONS[pos]
dictionary = dictionaryFor(pos)
collection = []
def trySubstitutions(
form, # reduced form
substitutions): # remaining substitutions
if dictionary.has_key(form):
yield form
for n, (old, new) in enumerate(substitutions):
if form.endswith(old):
new_form = form[:-len(old)] + new
for f in trySubstitutions(
new_form, substitutions[:n] + substitutions[n + 1:]):
yield f
exceptions = binarySearchFile(excfile, form)
if exceptions:
forms = exceptions[exceptions.find(' ') + 1:-1].split()
for f in forms:
yield f
if pos == NOUN and form.endswith('ful'):
suffix = 'ful'
form = form[:-3]
else:
suffix = ''
for f in trySubstitutions(form, substitutions):
yield f + suffix
def load(self):
if not self._loaded:
self.indexFile = IndexFile(self.pos, self._filenameroot)
path = nltk_data.find('wordnet/data.%s' % self._filenameroot)
self.dataFile = open(path, FILE_OPEN_MODE)
self._loaded = True
try:
from collections import defaultdict
except ImportError:
class defaultdict(dict):
"""Dictionary with a default value for unknown keys."""
def __init__(self, default):
self.default = default
def __getitem__(self, key):
if key in self:
return self.get(key)
return self.setdefault(key, self.default())
def __copy__(self):
copy = defaultdict(self.default)
copy.update(self)
return copy
# Just a test to see if things are working...
if __name__ == "__main__":
indexFile = IndexFile("noun", "noun")
path = nltk_data.find("wordnet/data.noun")
dataFile = open(path, FILE_OPEN_MODE)
loaded = True
print "OK"
