def test_issue4313():
""" This should not crash or exit with some strange error code """
beam_width = 16
beam_density = 0.0001
nlp = English()
ner = EntityRecognizer(nlp.vocab)
ner.add_label("SOME_LABEL")
ner.begin_training([])
nlp.add_pipe(ner)
# add a new label to the doc
doc = nlp("What do you think about Apple ?")
assert len(ner.labels) == 1
assert "SOME_LABEL" in ner.labels
apple_ent = Span(doc, 5, 6, label="MY_ORG")
doc.ents = list(doc.ents) + [apple_ent]
# ensure the beam_parse still works with the new label
docs = [doc]
beams = nlp.entity.beam_parse(docs,
beam_width=beam_width,
beam_density=beam_density)
for doc, beam in zip(docs, beams):
entity_scores = defaultdict(float)
for score, ents in nlp.entity.moves.get_beam_parses(beam):
for start, end, label in ents:
entity_scores[(start, end, label)] += score
def test_ents_reset(en_vocab):
text = ["This", "is", "a", "lion"]
doc = get_doc(en_vocab, text)
ner = EntityRecognizer(en_vocab)
ner.begin_training([])
ner(doc)
assert [t.ent_iob_ for t in doc] == (["O"] * len(doc))
doc.ents = list(doc.ents)
assert [t.ent_iob_ for t in doc] == (["O"] * len(doc))
def test_add_label_deserializes_correctly():
ner1 = EntityRecognizer(Vocab())
ner1.add_label("C")
ner1.add_label("B")
ner1.add_label("A")
ner1.begin_training([])
ner2 = EntityRecognizer(Vocab()).from_bytes(ner1.to_bytes())
assert ner1.moves.n_moves == ner2.moves.n_moves
for i in range(ner1.moves.n_moves):
assert ner1.moves.get_class_name(i) == ner2.moves.get_class_name(i)
def test_add_label_deserializes_correctly():
ner1 = EntityRecognizer(Vocab())
ner1.add_label("C")
ner1.add_label("B")
ner1.add_label("A")
ner1.begin_training([])
ner2 = EntityRecognizer(Vocab()).from_bytes(ner1.to_bytes())
assert ner1.moves.n_moves == ner2.moves.n_moves
for i in range(ner1.moves.n_moves):
assert ner1.moves.get_class_name(i) == ner2.moves.get_class_name(i)
def test_doc_add_entities_set_ents_iob(en_vocab):
doc = Doc(en_vocab, words=["This", "is", "a", "lion"])
ner = EntityRecognizer(en_vocab)
ner.begin_training([])
ner(doc)
assert len(list(doc.ents)) == 0
assert [w.ent_iob_ for w in doc] == (["O"] * len(doc))
doc.ents = [(doc.vocab.strings["ANIMAL"], 3, 4)]
assert [w.ent_iob_ for w in doc] == ["", "", "", "B"]
doc.ents = [(doc.vocab.strings["WORD"], 0, 2)]
assert [w.ent_iob_ for w in doc] == ["B", "I", "", ""]
