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23 lines
779 B
Python
23 lines
779 B
Python
'''Test that labels are mapped to classes consistently when loading NER model.'''
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from __future__ import unicode_literals
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from spacy.lang.en import English
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def test_issue3209():
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'''Test issue that occurred in spaCy nightly where NER labels were being
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mapped to classes incorrectly after loading the model, when the labels
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were added using ner.add_label().
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'''
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nlp = English()
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ner = nlp.create_pipe('ner')
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nlp.add_pipe(ner)
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ner.add_label('ANIMAL')
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nlp.begin_training()
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move_names = ['O', 'B-ANIMAL', 'I-ANIMAL', 'L-ANIMAL', 'U-ANIMAL']
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assert ner.move_names == move_names
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nlp2 = English()
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nlp2.add_pipe(nlp2.create_pipe('ner'))
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nlp2.from_bytes(nlp.to_bytes())
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assert nlp2.get_pipe('ner').move_names == move_names
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