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26 lines
810 B
Python
26 lines
810 B
Python
# coding: utf-8
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from __future__ import unicode_literals
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import random
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from spacy.lang.en import English
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def test_train_with_many_entity_types():
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"""Test issue that arises when too many labels are added to NER model.
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NB: currently causes segfault!
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"""
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train_data = []
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train_data.extend([("One sentence", {"entities": []})])
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entity_types = [str(i) for i in range(1000)]
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nlp = English(pipeline=[])
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ner = nlp.create_pipe("ner")
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nlp.add_pipe(ner)
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for entity_type in list(entity_types):
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ner.add_label(entity_type)
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optimizer = nlp.begin_training()
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for i in range(20):
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losses = {}
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random.shuffle(train_data)
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for statement, entities in train_data:
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nlp.update([statement], [entities], sgd=optimizer, losses=losses, drop=0.5)
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