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Fix decode error for bllip parser (#2897)
* Fix decode error for bllip parser * add bllipparser as a dependency to tests, otherwise skip
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import pytest | ||
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from nltk.data import find | ||
from nltk.parse.bllip import BllipParser | ||
from nltk.tree import Tree | ||
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@pytest.fixture(scope="module") | ||
def parser(): | ||
model_dir = find("models/bllip_wsj_no_aux").path | ||
return BllipParser.from_unified_model_dir(model_dir) | ||
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def setup_module(): | ||
pytest.importorskip("bllipparser") | ||
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class TestBllipParser: | ||
def test_parser_loads_a_valid_tree(self, parser): | ||
parsed = parser.parse("I saw the man with the telescope") | ||
tree = next(parsed) | ||
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assert isinstance(tree, Tree) | ||
assert ( | ||
tree.pformat() | ||
== """ | ||
(S1 | ||
(S | ||
(NP (PRP I)) | ||
(VP | ||
(VBD saw) | ||
(NP (DT the) (NN man)) | ||
(PP (IN with) (NP (DT the) (NN telescope)))))) | ||
""".strip() | ||
) | ||
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def test_tagged_parse_finds_matching_element(self, parser): | ||
parsed = parser.parse("I saw the man with the telescope") | ||
tagged_tree = next(parser.tagged_parse([("telescope", "NN")])) | ||
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assert isinstance(tagged_tree, Tree) | ||
assert tagged_tree.pformat() == "(S1 (NP (NN telescope)))" |