def postprocess(self, treestr, stage=-1): """Take parse tree and apply postprocessing.""" parsetree = Tree.parse(treestr, parse_leaf=int) if self.stages[stage].split: mergediscnodes(unbinarize(parsetree, childchar=':', expandunary=False)) saveheads(parsetree, self.binarization.tailmarker) unbinarize(parsetree, expandunary=False) removefanoutmarkers(parsetree) if self.relationalrealizational: parsetree = rrbacktransform(parsetree, self.relationalrealizational['adjunctionlabel']) if self.transformations: reversetransform(parsetree, self.transformations) return parsetree, False
def postprocess(self, treestr, stage=-1, derivs=None): """ Take parse tree and apply postprocessing. """ parsetree = Tree.parse(treestr, parse_leaf=int) if self.stages[stage].split: mergediscnodes(unbinarize(parsetree, childchar=':')) saveheads(parsetree, self.tailmarker) unbinarize(parsetree) removefanoutmarkers(parsetree) if self.relationalrealizational: parsetree = rrbacktransform(parsetree, self.relationalrealizational['adjunctionlabel']) if self.transformations: reversetransform(parsetree, self.transformations) fragments = derivs.get(treestr) if derivs else None return parsetree, fragments, False
def accept():
"""Store parse & redirect to next sentence."""
# should include n referring to which n-best tree is to be accepted,
# or tree in discbracket format if tree was manually edited.
sentno = int(request.args.get('sentno')) # 1-indexed
lineno = QUEUE[sentno - 1][0]
sent = SENTENCES[lineno]
username = session['username']
actions = session['actions']
actions[TIME] = int(round(time() - actions[TIME]))
if 'dec' in request.args:
actions[DECTREE] += int(request.args.get('dec', 0))
if 'tree' in request.args:
n = 0
tree, senttok = discbrackettree(request.args.get('tree'))
reversetransform(tree, senttok, ('APPEND-FUNC', 'addCase'))
else:
n = int(request.args.get('n', 0))
require = request.args.get('require', '')
block = request.args.get('block', '')
require, block = parseconstraints(require, block)
resp = WORKERS[username].submit(worker.getparses, sent, require,
block).result()
senttok, parsetrees, _messages, _elapsed = resp
tree = parsetrees[n - 1][1]
for node in tree.subtrees():
node.label = LABELRE.match(node.label).group(1)
actions[NBEST] = n
session.modified = True
block = writetree(tree,
senttok,
str(lineno + 1),
'export',
comment='%s %r' % (username, actions))
app.logger.info(block)
addentry(lineno, block, actions)
WORKERS[username].submit(worker.augment, [tree], [senttok])
flash('Your annotation for sentence %d was stored %r' % (sentno, actions))
return (redirect(url_for('annotate', sentno=sentno +
1)) if sentno < len(SENTENCES) else
'THANK YOU. THAT WAS THE LAST SENTENCE.')
def test_transforms():
"""Test reversibility of Tiger transformations."""
from discodop.treebanktransforms import transform, reversetransform, \
bracketings
from discodop.treebank import NegraCorpusReader, handlefunctions
headrules = None # 'alpino.headrules'
n = NegraCorpusReader('alpinosample.export', headrules=headrules)
nn = NegraCorpusReader('alpinosample.export', headrules=headrules)
transformations = ('S-RC', 'VP-GF', 'NP')
trees = [
transform(tree, sent, transformations)
for tree, sent in zip(nn.trees().values(),
nn.sents().values())
]
print('\ntransformed')
correct = exact = e = 0
for a, b, c, d in islice(
zip(n.trees().values(),
n.sents().values(), trees, count()), 100):
transformc = reversetransform(c.copy(True), b, transformations)
c1 = bracketings(canonicalize(a))
c2 = bracketings(canonicalize(transformc))
z = -1 # 825
if c1 != c2 or e == z:
precision = len(set(c1) & set(c2)) / len(set(c1))
recall = len(set(c1) & set(c2)) / len(set(c2))
if precision != 1.0 or recall != 1.0 or d == z:
print(
d, ' '.join(':'.join((str(n), a.encode('unicode-escape')))
for n, a in enumerate(b)))
print('no match', precision, recall)
print(len(c1), len(c2), 'gold-transformed',
set(c2) - set(c1), 'transformed-gold',
set(c1) - set(c2))
print(a)
print(transformc)
handlefunctions('add', a)
print(a, '\n', b, '\n\n')
else:
correct += 1
else:
exact += 1
correct += 1
e += 1
print('matches', correct, '/', e, 100 * correct / e, '%')
print('exact', exact)
def test_transforms():
"""Test reversibility of Tiger transformations."""
from discodop.treebanktransforms import transform, reversetransform, \
bracketings
from discodop.treebank import NegraCorpusReader, handlefunctions
headrules = None # 'alpino.headrules'
n = NegraCorpusReader('alpinosample.export', headrules=headrules)
nn = NegraCorpusReader('alpinosample.export', headrules=headrules)
transformations = ('S-RC', 'VP-GF', 'NP')
trees = [transform(tree, sent, transformations)
for tree, sent in zip(nn.trees().values(),
nn.sents().values())]
print('\ntransformed')
correct = exact = d = 0
for a, b, c in islice(zip(n.trees().values(),
trees, n.sents().values()), 100):
transformb = reversetransform(b.copy(True), transformations)
b1 = bracketings(canonicalize(a))
b2 = bracketings(canonicalize(transformb))
z = -1 # 825
if b1 != b2 or d == z:
precision = len(set(b1) & set(b2)) / len(set(b1))
recall = len(set(b1) & set(b2)) / len(set(b2))
if precision != 1.0 or recall != 1.0 or d == z:
print(d, ' '.join(':'.join((str(n),
a.encode('unicode-escape'))) for n, a in enumerate(c)))
print('no match', precision, recall)
print(len(b1), len(b2), 'gold-transformed', set(b2) - set(b1),
'transformed-gold', set(b1) - set(b2))
print(a)
print(transformb)
handlefunctions('add', a)
print(a, '\n', b, '\n\n')
else:
correct += 1
else:
exact += 1
correct += 1
d += 1
print('matches', correct, '/', d, 100 * correct / d, '%')
print('exact', exact)
def test_transform(self):
from discodop.treebanktransforms import transform, reversetransform, \
bracketings
from discodop.treebank import NegraCorpusReader
n = NegraCorpusReader('alpinosample.export')
for transformations in (('FUNC-NODE', ), ('MORPH-NODE', ),
('LEMMA-NODE', ), ('FUNC-NODE', 'MORPH-NODE',
'LEMMA-NODE')):
nn = NegraCorpusReader('alpinosample.export')
trees = [
transform(tree, sent, transformations)
for tree, sent in zip(nn.trees().values(),
nn.sents().values())
]
for a, b in islice(zip(n.trees().values(), trees), 100):
before = bracketings(canonicalize(a))
transformb = reversetransform(b.copy(True), transformations)
after = bracketings(canonicalize(transformb))
assert before == after, (
'mismatch with %r\nbefore: %r\nafter: %r' %
(transformations, before, after))
def test_transform(self):
from discodop.treebanktransforms import transform, reversetransform, \
bracketings
from discodop.treebank import NegraCorpusReader
n = NegraCorpusReader('alpinosample.export')
for transformations in (
('FUNC-NODE', ),
('MORPH-NODE', ),
('LEMMA-NODE', ),
('FUNC-NODE', 'MORPH-NODE', 'LEMMA-NODE')):
nn = NegraCorpusReader('alpinosample.export')
trees = [transform(tree, sent, transformations)
for tree, sent in zip(nn.trees().values(),
nn.sents().values())]
for a, b in islice(zip(n.trees().values(), trees), 100):
before = bracketings(canonicalize(a))
transformb = reversetransform(b.copy(True), transformations)
after = bracketings(canonicalize(transformb))
assert before == after, (
'mismatch with %r\nbefore: %r\nafter: %r' % (
transformations, before, after))
def main():
"""Command line interface for applying tree(bank) transforms."""
import io
from getopt import gnu_getopt, GetoptError
from discodop import treebanktransforms
actions = {'none': None, 'introducepreterminals': introducepreterminals,
'splitdisc': None, 'mergedisc': mergediscnodes, 'transform': None,
'unbinarize': unbinarize, 'binarize': None, 'optimalbinarize': None}
flags = ('markorigin markheads leftunary rightunary tailmarker '
'renumber reverse'.split())
options = ('inputfmt= outputfmt= inputenc= outputenc= slice= ensureroot= '
'punct= headrules= functions= morphology= lemmas= factor= '
'markorigin= maxlen= fmt= enc= transforms=').split()
try:
opts, args = gnu_getopt(sys.argv[1:], 'h:v:', flags + options)
if not 1 <= len(args) <= 3:
raise GetoptError('error: expected 1, 2, or 3 positional arguments')
except GetoptError as err:
print('error: %r\n%s' % (err, USAGE), file=sys.stderr)
sys.exit(2)
opts, action = dict(opts), args[0]
if action not in actions:
print('unrecognized action: %r\navailable actions: %s' % (
action, ', '.join(actions)), file=sys.stderr)
sys.exit(2)
if '--fmt' in opts:
opts['--inputfmt'] = opts['--outputfmt'] = opts['--fmt']
if '--enc' in opts:
opts['--inputenc'] = opts['--outputenc'] = opts['--enc']
if opts.get('--outputfmt', WRITERS[0]) not in WRITERS:
print('unrecognized output format: %r\navailable formats: %s' % (
opts.get('--outputfmt'), ' '.join(WRITERS)), file=sys.stderr)
sys.exit(2)
infilename = args[1] if len(args) >= 2 and args[1] != '-' else '/dev/stdin'
outfilename = args[2] if len(args) == 3 and args[2] != '-' else '/dev/stdout'
# open corpus
corpus = READERS[opts.get('--inputfmt', 'export')](
infilename,
encoding=opts.get('--inputenc', 'utf-8'),
headrules=opts.get('--headrules'), markheads='--markheads' in opts,
ensureroot=opts.get('--ensureroot'), punct=opts.get('--punct'),
functions=opts.get('--functions'),
morphology=opts.get('--morphology'),
lemmas=opts.get('--lemmas'))
start, end = opts.get('--slice', ':').split(':')
start, end = (int(start) if start else None), (int(end) if end else None)
trees = corpus.itertrees(start, end)
if '--maxlen' in opts:
maxlen = int(opts['--maxlen'])
trees = ((key, (tree, sent)) for key, (tree, sent) in trees
if len(sent) <= maxlen)
if '--renumber' in opts:
trees = (('%8d' % n, treesent)
for n, (_, treesent) in enumerate(trees, 1))
# select transformation
transform = actions[action]
if action in ('binarize', 'optimalbinarize'):
h = int(opts.get('-h', 999))
v = int(opts.get('-v', 1))
if action == 'binarize':
factor = opts.get('--factor', 'right')
transform = lambda t, _: binarize(t, factor, h, v,
leftmostunary='--leftunary' in opts,
rightmostunary='--rightunary' in opts,
tailmarker='$' if '--tailmarker' in opts else '')
elif action == 'optimalbinarize':
headdriven = '--headrules' in opts
transform = lambda t, _: optimalbinarize(t, '|', headdriven, h, v)
elif action == 'splitdisc':
transform = lambda t, _: splitdiscnodes(t, '--markorigin' in opts)
elif action == 'unbinarize':
transform = lambda t, _: unbinarize(Tree.convert(t))
elif action == 'transform':
tfs = opts['--transforms'].split(',')
transform = lambda t, s: (treebanktransforms.reversetransform(t, tfs)
if '--reverse' in opts
else treebanktransforms.transform(t, s, tfs))
if transform is not None: # NB: transform cannot affect (no. of) terminals
trees = ((key, (transform(tree, sent), sent)) for key, (tree, sent) in trees)
# read, transform, & write trees
headrules = None
if opts.get('--outputfmt') in ('mst', 'conll'):
if not opts.get('--headrules'):
raise ValueError('need head rules for dependency conversion')
headrules = treebanktransforms.readheadrules(opts.get('--headrules'))
cnt = 0
if opts.get('--outputfmt') == 'dact':
import alpinocorpus
outfile = alpinocorpus.CorpusWriter(outfilename)
if (action == 'none' and opts.get('--inputfmt') in ('alpino', 'dact')
and set(opts) <= {'--slice', '--inputfmt', '--outputfmt',
'--renumber'}):
for n, (key, block) in islice(enumerate(
corpus.blocks().items(), 1), start, end):
outfile.write('%8d' % n if '--renumber' in opts else key, block)
cnt += 1
else:
for key, (tree, sent) in trees:
outfile.write(str(key), writetree(tree, sent, key, 'alpino'))
cnt += 1
else:
encoding = opts.get('outputenc', 'utf-8')
outfile = io.open(outfilename, 'w', encoding=encoding)
# copy trees verbatim when only taking slice or converting encoding
if (action == 'none' and opts.get('--inputfmt') == opts.get(
'--outputfmt') and set(opts) <= {'--slice', '--inputenc',
'--outputenc', '--inputfmt', '--outputfmt'}):
for block in islice(corpus.blocks().values(), start, end):
outfile.write(block)
cnt += 1
else:
for key, (tree, sent) in trees:
outfile.write(writetree(tree, sent, key,
opts.get('--outputfmt', 'export'), headrules))
cnt += 1
print('%sed %d trees with action %r' % ('convert' if action == 'none'
else 'transform', cnt, action), file=sys.stderr)
