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 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429
|
#!/usr/bin/env python
#Copyright 2007,2008 Sebastian Hagen
# This file is part of wordnet_tools.
# wordnet_tools is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# as published by the Free Software Foundation
# wordnet_tools 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 wordnet_tools; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# This program requires python >= 2.4.
# This program converts wordnet index/data file pairs into dict index/data
# files usable by dictd.
# This is basically a reimplementation of the wnfilter program by Rik Faith,
# which unfortunately doesn't work correctly for wordnet files in the newer
# formats. This version of wordnet_structures should parse wordnet 3.0 files
# correctly, and create output very similar to what wnfilter would have
# written.
import datetime
from textwrap import TextWrapper
try:
import fcntl
except ImportError:
fcntl = None
CAT_ADJECTIVE = 0
CAT_ADVERB = 1
CAT_NOUN = 2
CAT_VERB = 3
category_map = {
'n': CAT_NOUN,
'v': CAT_VERB,
'a': CAT_ADJECTIVE,
's': CAT_ADJECTIVE,
'r': CAT_ADVERB
}
class SynsetWrapperDirect:
__slots__ = ('s',)
def __init__(self, index, synset_map):
self.s = synset_map[index]
def synset_get(self):
return self.s
class SynsetWrapperPointer:
__slots__ = ('index', 'map')
def __init__(self, index, synset_map):
self.index = index
self.map = synset_map
def synset_get(self):
return self.map[self.index]
def __repr__(self):
return '%s(%s)' % (self.__class__.__name__, (self.index, self.synset_map))
class WordIndex:
__slots__ = ('lemma', 'category', 'ptrs', 'synsets', 'tagsense_count')
def __init__(self, lemma, category, ptrs, synsets, tagsense_count):
self.lemma = lemma
self.category = category
self.ptrs = ptrs
self.synsets = synsets
self.tagsense_count = tagsense_count
@classmethod
def build_from_line(cls, line_data, synset_map, synset_wrap=SynsetWrapperPointer):
line_split = line_data.split()
lemma = line_split[0].replace('_',' ')
category = category_map[line_split[1]]
synset_count = int(line_split[2],10)
ptr_count = int(line_split[3],10)
ptrs = [line_split[i] for i in range(3, 3+ptr_count)]
tagsense_count = int(line_split[5 + ptr_count],10)
synsets = [synset_wrap(int(line_split[i],10), synset_map) for i in range(6 + ptr_count, 6 + ptr_count + synset_count)]
return cls(lemma, category, ptrs, synsets, tagsense_count)
@classmethod
def build_from_file(cls, f, synset_map, synset_wrap=SynsetWrapperPointer, rv_base=None):
if (rv_base is None):
rv = {}
else:
rv = rv_base
for line in f:
if (line.startswith(' ')):
continue
wi = cls.build_from_line(line, synset_map, synset_wrap)
word = wi.lemma.lower()
if not (word in rv):
rv[word] = []
rv[word].append(wi)
return rv
def __repr__(self):
return '%s%s' % (self.__class__.__name__, (self.lemma, self.category, self.ptrs, self.synsets, self.tagsense_count))
class WordIndexDictFormatter(WordIndex):
category_map_rev = {
CAT_NOUN: 'n',
CAT_VERB: 'v',
CAT_ADJECTIVE: 'adj',
CAT_ADVERB: 'adv'
}
linesep = '\n'
LINE_WIDTH_MAX = 68
prefix_fmtf_line_first = ' %s 1: '
prefix_fmtn_line_first = ' %*s'
prefix_fmtf_line_nonfirst = ' %d: '
prefix_fmtn_line_nonfirst = ' %*s '
def dict_str(self):
"""Build a human-readable definition for this word, including data for each synset"""
tw = TextWrapper(width=self.LINE_WIDTH_MAX,
initial_indent=(self.prefix_fmtf_line_first % self.category_map_rev[self.category]),
subsequent_indent=(self.prefix_fmtn_line_first % (len(self.category_map_rev[self.category]), '')))
lines = (tw.wrap(self.synsets[0].synset_get().dict_str()))
i = 2
prefix_fmtn_line_nonfirst = self.prefix_fmtn_line_nonfirst
pfln_len = 0
for ss_wrap in self.synsets[1:]:
# adjust indenting based on index-number with
pfln_len_new = len('%d' % (i,))
if (pfln_len_new > pfln_len):
pfln_len = pfln_len_new
pfln_str = (self.prefix_fmtn_line_nonfirst % (pfln_len, ''))
# format data for this synset
synset = ss_wrap.synset_get()
tw = TextWrapper(width=self.LINE_WIDTH_MAX,
initial_indent=(self.prefix_fmtf_line_nonfirst % i),
subsequent_indent=pfln_str)
lines.extend(tw.wrap(synset.dict_str()))
i += 1
return self.linesep.join(lines)
class Synset:
__slots__ = ('offset', 'type', 'words', 'ptrs', 'gloss', 'frames', 'synset_map')
def __init__(self, offset, ss_type, words, ptrs, gloss, frames=(), synset_map=None):
self.offset = offset
self.type = ss_type
self.words = words
self.ptrs = ptrs
self.gloss = gloss
self.frames = frames
self.synset_map = synset_map
@classmethod
def build_from_line(cls, line_data, synset_map=None):
"""Build instance from provided line from a wordnet data file.
The optional synset_map argument will be passed to the instance constructor."""
line_split = line_data.split()
synset_offset = int(line_split[0],10)
ss_type = category_map[line_split[2]]
word_count = int(line_split[3],16)
words = [line_split[i].replace('_',' ') for i in range(4, 4 + word_count*2,2)]
ptr_count = int(line_split[4 + word_count*2],10)
ptrs = [(line_split[i], # pointer symbol
int(line_split[i+1],10), # synset offset
category_map[line_split[i+2]], # synset type
(int(line_split[i+3][:2],16), int(line_split[i+3][2:],16))) # offsets of specifically related words
for i in range(5 + word_count*2,4 + word_count*2 + ptr_count*4,4)]
tok = line_split[5 + word_count*2 + ptr_count*4]
base = 6 + word_count*2 + ptr_count*4
if (tok != '|'):
frame_count = int(tok, 10)
frames = [(int(line_split[i+1],10), int(line_split[i+2],16)) for i in range(base, base + frame_count*3, 3)]
base += frame_count*3 + 1
else:
frames = []
line_split2 = line_data.split(None, base)
if (len(line_split2) < base):
gloss = None
else:
gloss = line_split2[-1]
return cls(synset_offset, ss_type, words, ptrs, gloss, frames, synset_map)
@classmethod
def build_from_file(cls, f):
rv = {}
comments = []
for line in f:
if (line.startswith(' ')):
line_s = line.lstrip().rstrip('\n')
line_elements = line_s.split(None,1)
try:
int(line_elements[0])
except ValueError:
continue
if (len(line_elements) == 1):
line_elements.append('')
comments.append(line_elements[1])
continue
synset = cls.build_from_line(line.rstrip(), rv)
rv[synset.offset] = synset
return (rv, comments)
def dict_str(self):
"""Format this synset into a human-readable line-wrapped dict block."""
rv = self.gloss.rstrip()
if (len(self.words) > 1):
rv += ' [syn: %s]' % (', '.join([('{%s}' % word) for word in self.words]))
if not (self.synset_map is None):
antonyms = []
for (ptr_symbol, synset_offset, synset_type, sourcetarget) in self.ptrs:
if ((synset_type == self.type) and (ptr_symbol == '!')):
ss = self.synset_map[synset_offset]
antonyms.extend(ss.words)
antonyms = list(set(antonyms)) # remove any duplicate entries
antonyms.sort()
if (antonyms):
rv += ' [ant: %s]' % (', '.join([('{%s}' % word) for word in antonyms]))
return rv
def __repr__(self):
return '%s%s' % (self.__class__.__name__, (self.offset, self.type, self.words, self.ptrs, self.gloss, self.frames, self.synset_map))
class SynsetFileBackedMapping:
"""Access a wordnet synset file as a mapping"""
def __init__(self, f, file_lock=True, lock_block=False):
self.file = f
if (file_lock):
if (fcntl is None):
raise EnvironmentError('Unable to perform file locking without fcntl module')
lock_op = fcntl.LOCK_SH
if not (lock_block):
lock_op |= fcntl.LOCK_NB
fcntl.lockf(f.fileno(), lock_op)
def __getitem__(self, key):
self.file.seek(key)
return Synset.build_from_line(self.file.readline().rstrip('\n'), self)
def initial_comments_get(self):
self.file.seek(0)
comments = []
for line in self.file:
if not (line.startswith(' ')):
break
line_s = line.lstrip().rstrip('\n')
line_elements = line_s.split(None,1)
try:
int(line_elements[0])
except ValueError:
continue
if (len(line_elements) == 1):
line_elements.append('')
comments.append(line_elements[1])
continue
return comments
class WordnetDict:
db_info_fmt = '''This file was converted from the original database on:
%(conversion_datetime)s
The original data is available from:
%(wn_url)s
The original data was distributed with the notice shown below. No
additional restrictions are claimed. Please redistribute this changed
version under the same conditions and restriction that apply to the
original version.\n\n
%(wn_license)s'''
datetime_fmt = '%Y-%m-%dT%H:%M:%S'
base64_map = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
def __init__(self, wn_url, desc_short, desc_long):
self.word_data = {}
self.wn_url = wn_url
self.desc_short = desc_short
self.desc_long = desc_long
self.wn_license = None
def wn_dict_add(self, file_index, file_data, synset_wrap_cls=SynsetWrapperDirect):
file_data.seek(0)
file_index.seek(0)
synsets = SynsetFileBackedMapping(file_data)
license_lines = synsets.initial_comments_get()
WordIndexDictFormatter.build_from_file(file_index, synsets,
synset_wrap=synset_wrap_cls, rv_base=self.word_data)
if (license_lines):
self.wn_license = '\n'.join(license_lines) + '\n'
@classmethod
def base64_encode(cls, i):
"""Encode a non-negative integer into a dictd compatible base64 string"""
if (i < 0):
raise ValueError('Value %r for i is negative' % (i,))
r = 63
e = 1
while (r < i):
e += 1
r = 64**e - 1
rv = ''
while (e > 0):
e -= 1
d = (i / 64**e)
rv += cls.base64_map[d]
i = i % (64**e)
return rv
@classmethod
def dict_entry_write(cls, file_index, file_data, key, entry, linesep='\n'):
"""Write a single dict entry for <key> to index and data files"""
entry_start = file_data.tell()
file_data.write(entry)
entry_len = len(entry)
file_index.write('%s\t%s\t%s%s' % (key, cls.base64_encode(entry_start),
cls.base64_encode(entry_len), linesep))
def dict_generate(self, file_index, file_data):
file_index.seek(0)
file_data.seek(0)
# The dictd file format is fairly iffy on the subject of special
# headwords: either dictd is buggy, or the manpage doesn't tell the whole
# story about the format.
# The upshot is that order of these entries in the index *matters*.
# Putting them at the beginning and in alphabetic order is afaict ok.
# Some other orders completely and quietly break the ability to look
# those headwords up.
# -- problem encountered with 1.10.2, at 2007-08-05.
file_data.write('\n')
wn_url = self.wn_url
conversion_datetime = datetime.datetime.now().strftime(self.datetime_fmt)
wn_license = self.wn_license
word_data = self.word_data.copy()
for (key, value) in (
('00-database-allchars', '\n'),
('00-database-info', '00-database-info\n%s\n' % (self.db_info_fmt % vars())),
('00-database-long', '00-database-long\n%s\n' % self.desc_long),
('00-database-short', '00-database-short\n%s\n' % self.desc_short),
('00-database-url', '00-database-url\n%s\n' % self.wn_url)):
word_data[key] = value
words = word_data.keys()
words.sort()
for word in words:
wval = word_data[word]
if (isinstance(wval, basestring)):
# special case: preformatted entries
self.dict_entry_write(file_index, file_data, word, wval)
continue
for wi in wval:
word_cs = word
# Use case-sensitivity information of first entry of first synset that
# matches this word case-insensitively
for ss_wrapper in wi.synsets:
synset = ss_wrapper.synset_get()
for ss_word in synset.words:
if (ss_word.lower() == word_cs.lower()):
word_cs = ss_word
break
else:
continue
break
else:
continue
break
outstr = ''
for wi in wval:
outstr += wi.dict_str() + '\n'
outstr = '%s%s%s' % (word_cs, wi.linesep, outstr)
self.dict_entry_write(file_index, file_data, word, outstr, wi.linesep)
file_index.truncate()
file_data.truncate()
if (__name__ == '__main__'):
import optparse
op = optparse.OptionParser(usage='usage: %prog [options] (<wn_index_file> <wn_data_file>)+')
op.add_option('-i', '--outindex', dest='oi', default='wn.index', help='filename of index file to write to')
op.add_option('-d', '--outdata', dest='od', default='wn.dict', help='filename of data file to write to')
op.add_option('--wn_url', dest='wn_url', default='ftp://ftp.cogsci.princeton.edu/pub/wordnet/2.0', help='URL for wordnet sources')
op.add_option('--db_desc_short', dest='desc_short', default=' WordNet (r) 3.0 (2006)', help='short dict DB description')
op.add_option('--db_desc_long', dest='desc_long', default=' WordNet (r): A Lexical Database for English from the\n Cognitive Science Laboratory at Princeton University', help='long dict DB description')
(options, args) = op.parse_args()
wnd = WordnetDict(wn_url=options.wn_url, desc_short=options.desc_short, desc_long=options.desc_long)
for i in range(0,len(args),2):
print 'Opening index file %r...' % args[i]
file_index = file(args[i])
print 'Opening data file %r...' % args[i+1]
file_data = file(args[i+1])
print 'Parsing index file...'
wnd.wn_dict_add(file_index, file_data, synset_wrap_cls=SynsetWrapperPointer)
print 'All index files parsed. Parsing data input files and writing output to index file %r and data file %r.' % (options.oi, options.od)
wnd.dict_generate(file(options.oi, 'w'),file(options.od, 'w'))
print 'All done.'
|