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* Fix sentence-final whitespace issue

This commit is contained in:
Matthew Honnibal 2015-11-07 17:34:46 +11:00
parent 7663970d5f
commit 1cfa20fb17
1 changed files with 4 additions and 13 deletions
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17
spacy/syntax/arc_eager.pyx
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@ -238,6 +238,9 @@ cdef class Break:
elif (st.S(0) + 1) != st.B(0):
# Must break at the token boundary
return False
# Don't allow spaces to be the first word of a sentence
elif Lexeme.c_check_flag(st.B_(0).lex, IS_SPACE):
return False
else:
return True
@ -382,19 +385,7 @@ cdef class ArcEager(TransitionSystem):
cdef int finalize_state(self, StateClass st) nogil:
cdef int i
for i in range(st.length):
# Always attach spaces to the previous word
if Lexeme.c_check_flag(st._sent[i].lex, IS_SPACE):
if st._sent[i].sent_start and st._sent[i].head == -1:
st._sent[i].sent_start = False
# If we had this space token as the start of a sentence,
# move that sentence start forward one
if (i + 1) < st.length and not st._sent[i+1].sent_start:
st._sent[i+1].sent_start = True
if i >= 1:
st.add_arc(i-1, i, st._sent[i].dep)
else:
st.add_arc(i+1, i, st._sent[i].dep)
elif st._sent[i].head == 0 and st._sent[i].dep == 0:
if st._sent[i].head == 0 and st._sent[i].dep == 0:
st._sent[i].dep = self.root_label
# If we're not using the Break transition, we segment via root-labelled
# arcs between the root words.