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	* Use isort with Black profile * isort all the things * Fix import cycles as a result of import sorting * Add DOCBIN_ALL_ATTRS type definition * Add isort to requirements * Remove isort from build dependencies check * Typo
		
			
				
	
	
		
			334 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			334 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import pickle
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| 
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| import hypothesis.strategies as st
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| import pytest
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| from hypothesis import given
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| 
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| from spacy import util
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| from spacy.lang.en import English
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| from spacy.language import Language
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| from spacy.pipeline._edit_tree_internals.edit_trees import EditTrees
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| from spacy.strings import StringStore
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| from spacy.training import Example
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| from spacy.util import make_tempdir
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| 
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| TRAIN_DATA = [
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|     ("She likes green eggs", {"lemmas": ["she", "like", "green", "egg"]}),
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|     ("Eat blue ham", {"lemmas": ["eat", "blue", "ham"]}),
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| ]
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| 
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| PARTIAL_DATA = [
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|     # partial annotation
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|     ("She likes green eggs", {"lemmas": ["", "like", "green", ""]}),
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|     # misaligned partial annotation
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|     (
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|         "He hates green eggs",
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|         {
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|             "words": ["He", "hat", "es", "green", "eggs"],
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|             "lemmas": ["", "hat", "e", "green", ""],
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|         },
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|     ),
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| ]
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| 
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| 
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| def test_initialize_examples():
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|     nlp = Language()
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|     lemmatizer = nlp.add_pipe("trainable_lemmatizer")
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|     train_examples = []
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|     for t in TRAIN_DATA:
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|         train_examples.append(Example.from_dict(nlp.make_doc(t[0]), t[1]))
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|     # you shouldn't really call this more than once, but for testing it should be fine
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|     nlp.initialize(get_examples=lambda: train_examples)
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|     with pytest.raises(TypeError):
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|         nlp.initialize(get_examples=lambda: None)
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|     with pytest.raises(TypeError):
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|         nlp.initialize(get_examples=lambda: train_examples[0])
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|     with pytest.raises(TypeError):
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|         nlp.initialize(get_examples=lambda: [])
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|     with pytest.raises(TypeError):
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|         nlp.initialize(get_examples=train_examples)
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| 
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| 
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| def test_initialize_from_labels():
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|     nlp = Language()
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|     lemmatizer = nlp.add_pipe("trainable_lemmatizer")
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|     lemmatizer.min_tree_freq = 1
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|     train_examples = []
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|     for t in TRAIN_DATA:
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|         train_examples.append(Example.from_dict(nlp.make_doc(t[0]), t[1]))
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|     nlp.initialize(get_examples=lambda: train_examples)
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| 
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|     nlp2 = Language()
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|     lemmatizer2 = nlp2.add_pipe("trainable_lemmatizer")
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|     lemmatizer2.initialize(
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|         # We want to check that the strings in replacement nodes are
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|         # added to the string store. Avoid that they get added through
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|         # the examples.
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|         get_examples=lambda: train_examples[:1],
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|         labels=lemmatizer.label_data,
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|     )
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|     assert lemmatizer2.tree2label == {1: 0, 3: 1, 4: 2, 6: 3}
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|     assert lemmatizer2.label_data == {
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|         "trees": [
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|             {"orig": "S", "subst": "s"},
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|             {
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|                 "prefix_len": 1,
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|                 "suffix_len": 0,
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|                 "prefix_tree": 0,
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|                 "suffix_tree": 4294967295,
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|             },
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|             {"orig": "s", "subst": ""},
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|             {
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|                 "prefix_len": 0,
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|                 "suffix_len": 1,
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|                 "prefix_tree": 4294967295,
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|                 "suffix_tree": 2,
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|             },
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|             {
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|                 "prefix_len": 0,
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|                 "suffix_len": 0,
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|                 "prefix_tree": 4294967295,
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|                 "suffix_tree": 4294967295,
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|             },
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|             {"orig": "E", "subst": "e"},
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|             {
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|                 "prefix_len": 1,
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|                 "suffix_len": 0,
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|                 "prefix_tree": 5,
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|                 "suffix_tree": 4294967295,
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|             },
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|         ],
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|         "labels": (1, 3, 4, 6),
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|     }
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| 
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| 
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| @pytest.mark.parametrize("top_k", (1, 5, 30))
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| def test_no_data(top_k):
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|     # Test that the lemmatizer provides a nice error when there's no tagging data / labels
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|     TEXTCAT_DATA = [
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|         ("I'm so happy.", {"cats": {"POSITIVE": 1.0, "NEGATIVE": 0.0}}),
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|         ("I'm so angry", {"cats": {"POSITIVE": 0.0, "NEGATIVE": 1.0}}),
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|     ]
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|     nlp = English()
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|     nlp.add_pipe("trainable_lemmatizer", config={"top_k": top_k})
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|     nlp.add_pipe("textcat")
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| 
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|     train_examples = []
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|     for t in TEXTCAT_DATA:
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|         train_examples.append(Example.from_dict(nlp.make_doc(t[0]), t[1]))
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| 
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|     with pytest.raises(ValueError):
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|         nlp.initialize(get_examples=lambda: train_examples)
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| 
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| 
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| @pytest.mark.parametrize("top_k", (1, 5, 30))
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| def test_incomplete_data(top_k):
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|     # Test that the lemmatizer works with incomplete information
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|     nlp = English()
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|     lemmatizer = nlp.add_pipe("trainable_lemmatizer", config={"top_k": top_k})
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|     lemmatizer.min_tree_freq = 1
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|     train_examples = []
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|     for t in PARTIAL_DATA:
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|         train_examples.append(Example.from_dict(nlp.make_doc(t[0]), t[1]))
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|     optimizer = nlp.initialize(get_examples=lambda: train_examples)
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|     for i in range(50):
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|         losses = {}
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|         nlp.update(train_examples, sgd=optimizer, losses=losses)
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|     assert losses["trainable_lemmatizer"] < 0.00001
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| 
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|     # test the trained model
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|     test_text = "She likes blue eggs"
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|     doc = nlp(test_text)
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|     assert doc[1].lemma_ == "like"
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|     assert doc[2].lemma_ == "blue"
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| 
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|     # Check that incomplete annotations are ignored.
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|     scores, _ = lemmatizer.model([eg.predicted for eg in train_examples], is_train=True)
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|     _, dX = lemmatizer.get_loss(train_examples, scores)
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|     xp = lemmatizer.model.ops.xp
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| 
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|     # Missing annotations.
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|     assert xp.count_nonzero(dX[0][0]) == 0
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|     assert xp.count_nonzero(dX[0][3]) == 0
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|     assert xp.count_nonzero(dX[1][0]) == 0
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|     assert xp.count_nonzero(dX[1][3]) == 0
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| 
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|     # Misaligned annotations.
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|     assert xp.count_nonzero(dX[1][1]) == 0
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| 
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| 
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| @pytest.mark.parametrize("top_k", (1, 5, 30))
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| def test_overfitting_IO(top_k):
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|     nlp = English()
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|     lemmatizer = nlp.add_pipe("trainable_lemmatizer", config={"top_k": top_k})
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|     lemmatizer.min_tree_freq = 1
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|     train_examples = []
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|     for t in TRAIN_DATA:
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|         train_examples.append(Example.from_dict(nlp.make_doc(t[0]), t[1]))
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| 
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|     optimizer = nlp.initialize(get_examples=lambda: train_examples)
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| 
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|     for i in range(50):
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|         losses = {}
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|         nlp.update(train_examples, sgd=optimizer, losses=losses)
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|     assert losses["trainable_lemmatizer"] < 0.00001
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| 
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|     test_text = "She likes blue eggs"
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|     doc = nlp(test_text)
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|     assert doc[0].lemma_ == "she"
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|     assert doc[1].lemma_ == "like"
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|     assert doc[2].lemma_ == "blue"
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|     assert doc[3].lemma_ == "egg"
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| 
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|     # Check model after a {to,from}_disk roundtrip
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|     with util.make_tempdir() as tmp_dir:
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|         nlp.to_disk(tmp_dir)
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|         nlp2 = util.load_model_from_path(tmp_dir)
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|         doc2 = nlp2(test_text)
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|         assert doc2[0].lemma_ == "she"
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|         assert doc2[1].lemma_ == "like"
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|         assert doc2[2].lemma_ == "blue"
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|         assert doc2[3].lemma_ == "egg"
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| 
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|     # Check model after a {to,from}_bytes roundtrip
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|     nlp_bytes = nlp.to_bytes()
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|     nlp3 = English()
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|     nlp3.add_pipe("trainable_lemmatizer", config={"top_k": top_k})
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|     nlp3.from_bytes(nlp_bytes)
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|     doc3 = nlp3(test_text)
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|     assert doc3[0].lemma_ == "she"
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|     assert doc3[1].lemma_ == "like"
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|     assert doc3[2].lemma_ == "blue"
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|     assert doc3[3].lemma_ == "egg"
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| 
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|     # Check model after a pickle roundtrip.
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|     nlp_bytes = pickle.dumps(nlp)
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|     nlp4 = pickle.loads(nlp_bytes)
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|     doc4 = nlp4(test_text)
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|     assert doc4[0].lemma_ == "she"
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|     assert doc4[1].lemma_ == "like"
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|     assert doc4[2].lemma_ == "blue"
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|     assert doc4[3].lemma_ == "egg"
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| 
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| 
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| def test_lemmatizer_requires_labels():
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|     nlp = English()
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|     nlp.add_pipe("trainable_lemmatizer")
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|     with pytest.raises(ValueError):
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|         nlp.initialize()
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| 
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| 
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| def test_lemmatizer_label_data():
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|     nlp = English()
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|     lemmatizer = nlp.add_pipe("trainable_lemmatizer")
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|     lemmatizer.min_tree_freq = 1
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|     train_examples = []
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|     for t in TRAIN_DATA:
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|         train_examples.append(Example.from_dict(nlp.make_doc(t[0]), t[1]))
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| 
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|     nlp.initialize(get_examples=lambda: train_examples)
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| 
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|     nlp2 = English()
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|     lemmatizer2 = nlp2.add_pipe("trainable_lemmatizer")
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|     lemmatizer2.initialize(
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|         get_examples=lambda: train_examples, labels=lemmatizer.label_data
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|     )
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| 
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|     # Verify that the labels and trees are the same.
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|     assert lemmatizer.labels == lemmatizer2.labels
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|     assert lemmatizer.trees.to_bytes() == lemmatizer2.trees.to_bytes()
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| 
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| 
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| def test_dutch():
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|     strings = StringStore()
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|     trees = EditTrees(strings)
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|     tree = trees.add("deelt", "delen")
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|     assert trees.tree_to_str(tree) == "(m 0 3 () (m 0 2 (s '' 'l') (s 'lt' 'n')))"
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| 
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|     tree = trees.add("gedeeld", "delen")
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|     assert (
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|         trees.tree_to_str(tree) == "(m 2 3 (s 'ge' '') (m 0 2 (s '' 'l') (s 'ld' 'n')))"
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|     )
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| 
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| 
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| def test_from_to_bytes():
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|     strings = StringStore()
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|     trees = EditTrees(strings)
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|     trees.add("deelt", "delen")
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|     trees.add("gedeeld", "delen")
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| 
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|     b = trees.to_bytes()
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| 
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|     trees2 = EditTrees(strings)
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|     trees2.from_bytes(b)
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| 
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|     # Verify that the nodes did not change.
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|     assert len(trees) == len(trees2)
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|     for i in range(len(trees)):
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|         assert trees.tree_to_str(i) == trees2.tree_to_str(i)
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| 
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|     # Reinserting the same trees should not add new nodes.
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|     trees2.add("deelt", "delen")
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|     trees2.add("gedeeld", "delen")
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|     assert len(trees) == len(trees2)
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| 
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| 
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| def test_from_to_disk():
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|     strings = StringStore()
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|     trees = EditTrees(strings)
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|     trees.add("deelt", "delen")
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|     trees.add("gedeeld", "delen")
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| 
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|     trees2 = EditTrees(strings)
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|     with make_tempdir() as temp_dir:
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|         trees_file = temp_dir / "edit_trees.bin"
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|         trees.to_disk(trees_file)
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|         trees2 = trees2.from_disk(trees_file)
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| 
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|     # Verify that the nodes did not change.
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|     assert len(trees) == len(trees2)
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|     for i in range(len(trees)):
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|         assert trees.tree_to_str(i) == trees2.tree_to_str(i)
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| 
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|     # Reinserting the same trees should not add new nodes.
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|     trees2.add("deelt", "delen")
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|     trees2.add("gedeeld", "delen")
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|     assert len(trees) == len(trees2)
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| 
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| 
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| @given(st.text(), st.text())
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| def test_roundtrip(form, lemma):
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|     strings = StringStore()
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|     trees = EditTrees(strings)
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|     tree = trees.add(form, lemma)
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|     assert trees.apply(tree, form) == lemma
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| 
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| 
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| @given(st.text(alphabet="ab"), st.text(alphabet="ab"))
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| def test_roundtrip_small_alphabet(form, lemma):
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|     # Test with small alphabets to have more overlap.
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|     strings = StringStore()
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|     trees = EditTrees(strings)
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|     tree = trees.add(form, lemma)
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|     assert trees.apply(tree, form) == lemma
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| 
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| 
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| def test_unapplicable_trees():
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|     strings = StringStore()
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|     trees = EditTrees(strings)
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|     tree3 = trees.add("deelt", "delen")
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| 
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|     # Replacement fails.
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|     assert trees.apply(tree3, "deeld") == None
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| 
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|     # Suffix + prefix are too large.
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|     assert trees.apply(tree3, "de") == None
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| 
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| 
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| def test_empty_strings():
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|     strings = StringStore()
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|     trees = EditTrees(strings)
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|     no_change = trees.add("xyz", "xyz")
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|     empty = trees.add("", "")
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|     assert no_change == empty
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