mirror of
https://github.com/explosion/spaCy.git
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91 lines
3.2 KiB
Python
91 lines
3.2 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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from ..util import ensure_path
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from .. import util
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from ..displacy import parse_deps, parse_ents
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from ..tokens import Span
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from .util import get_doc
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from .._ml import PrecomputableAffine
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from pathlib import Path
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import pytest
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from thinc.neural._classes.maxout import Maxout
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from thinc.neural._classes.softmax import Softmax
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from thinc.api import chain
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@pytest.mark.parametrize('text', ['hello/world', 'hello world'])
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def test_util_ensure_path_succeeds(text):
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path = util.ensure_path(text)
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assert isinstance(path, Path)
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@pytest.mark.parametrize('package', ['numpy'])
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def test_util_is_package(package):
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"""Test that an installed package via pip is recognised by util.is_package."""
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assert util.is_package(package)
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@pytest.mark.parametrize('package', ['thinc'])
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def test_util_get_package_path(package):
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"""Test that a Path object is returned for a package name."""
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path = util.get_package_path(package)
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assert isinstance(path, Path)
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def test_displacy_parse_ents(en_vocab):
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"""Test that named entities on a Doc are converted into displaCy's format."""
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doc = get_doc(en_vocab, words=["But", "Google", "is", "starting", "from", "behind"])
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doc.ents = [Span(doc, 1, 2, label=doc.vocab.strings[u'ORG'])]
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ents = parse_ents(doc)
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assert isinstance(ents, dict)
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assert ents['text'] == 'But Google is starting from behind '
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assert ents['ents'] == [{'start': 4, 'end': 10, 'label': 'ORG'}]
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def test_displacy_parse_deps(en_vocab):
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"""Test that deps and tags on a Doc are converted into displaCy's format."""
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words = ["This", "is", "a", "sentence"]
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heads = [1, 0, 1, -2]
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pos = ['DET', 'VERB', 'DET', 'NOUN']
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tags = ['DT', 'VBZ', 'DT', 'NN']
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deps = ['nsubj', 'ROOT', 'det', 'attr']
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doc = get_doc(en_vocab, words=words, heads=heads, pos=pos, tags=tags,
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deps=deps)
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deps = parse_deps(doc)
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assert isinstance(deps, dict)
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assert deps['words'] == [{'text': 'This', 'tag': 'DET'},
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{'text': 'is', 'tag': 'VERB'},
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{'text': 'a', 'tag': 'DET'},
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{'text': 'sentence', 'tag': 'NOUN'}]
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assert deps['arcs'] == [{'start': 0, 'end': 1, 'label': 'nsubj', 'dir': 'left'},
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{'start': 2, 'end': 3, 'label': 'det', 'dir': 'left'},
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{'start': 1, 'end': 3, 'label': 'attr', 'dir': 'right'}]
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def test_PrecomputableAffine(nO=4, nI=5, nF=3, nP=2):
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model = PrecomputableAffine(nO=nO, nI=nI, nF=nF, nP=nP)
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assert model.W.shape == (nF, nO, nP, nI)
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tensor = model.ops.allocate((10, nI))
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Y, get_dX = model.begin_update(tensor)
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assert Y.shape == (tensor.shape[0]+1, nF, nO, nP)
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assert model.d_pad.shape == (1, nF, nO, nP)
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dY = model.ops.allocate((15, nO, nP))
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ids = model.ops.allocate((15, nF))
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ids[1,2] = -1
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dY[1] = 1
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assert model.d_pad[0, 2, 0, 0] == 0.
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model._backprop_padding(dY, ids)
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assert model.d_pad[0, 2, 0, 0] == 1.
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model.d_pad.fill(0.)
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ids.fill(0.)
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dY.fill(0.)
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ids[1,2] = -1
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ids[1,1] = -1
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ids[1,0] = -1
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dY[1] = 1
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assert model.d_pad[0, 2, 0, 0] == 0.
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model._backprop_padding(dY, ids)
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assert model.d_pad[0, 2, 0, 0] == 3.
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