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Tweak arc_eager n_gold to deal with negative costs, and improve error message.

This commit is contained in:
Matthew Honnibal 2016-11-25 09:01:52 -06:00
parent a2f55e7015
commit ca773a1f53
1 changed files with 8 additions and 2 deletions
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10
spacy/syntax/arc_eager.pyx
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@ -439,7 +439,7 @@ cdef class ArcEager(TransitionSystem):
if move_costs[move] == -1:
move_costs[move] = move_cost_funcs[move](stcls, &gold.c)
costs[i] = move_costs[move] + label_cost_funcs[move](stcls, &gold.c, label)
n_gold += costs[i] == 0
n_gold += costs[i] <= 0
else:
is_valid[i] = False
costs[i] = 9000
@ -456,8 +456,14 @@ cdef class ArcEager(TransitionSystem):
"before training and after parsing. Either pass make_projective=True "
"to the GoldParse class, or use PseudoProjectivity.preprocess_training_data")
else:
print(gold.words)
print(gold.heads)
print(gold.labels)
raise ValueError(
"Could not find a gold-standard action to supervise the dependency "
"parser.\n"
"The GoldParse was projective.")
"The GoldParse was projective.\n"
"The transition system has %d actions.\n"
"State at failure:\n"
"%s" % (self.n_moves, stcls.print_state(gold.words)))
assert n_gold >= 1