def constree(self):
# Some depgraphs have several roots (for instance, 512th of Turkish).
# i = self.root['address']
roots = self.nodelist[0]['deps']
if len(roots) == 1:
return treebank.Tree(self._constree(roots[0]))
else:
# TODO: check projectivity here also.
trees = [self._constree(i) for i in roots]
return treebank.Tree(tree.Tree('TOP', trees))
def parsed(self):
f = open(self.basedir + '/negra-corpus.export')
self.f = f
# go to first sentece
s = f.readline()
while not s.startswith('#BOS'):
s = f.readline()
while s != '':
l = s.split()
(num, origin) = (int(l[1]), int(l[4]))
sent = []
l = f.readline().split()
while l[0][0] != '#':
#if l[4] != '0':
if not l[1].startswith('$'):
sent += [l]
l = f.readline().split()
parse = []
while l[0] != '#EOS':
parse += [l]
l = f.readline().split()
if len(sent) > 0 and len(sent) <= 10:
self.sent = sent
self.parse = parse
t = build_tree(sent, parse)
t2 = treebank.Tree(t, (num, origin))
t2.depset = tree_to_depset(t)
yield t2
s = f.readline()
def string_to_bracketing(s):
"""Converts a string to a bracketing.
>>> string_to_bracketing('(DT NNP NN) (VBD (DT (VBZ (DT JJ NN))))')
"""
s2 = s.replace('(', '(X ')
s2 = '((X ' + s2 + '))'
t = treebank.Tree(tree.bracket_parse(s2))
b = tree_to_bracketing(t)
return b
def parse(self, s):
t, w = self.dep_parse(s)
return (treebank.Tree(t), w)