spaCy/spacy/tests/serialize/test_serialize_config.py

340 lines
12 KiB
Python

import pytest
from thinc.config import Config, ConfigValidationError
import spacy
from spacy.lang.en import English
from spacy.lang.de import German
from spacy.language import Language, DEFAULT_CONFIG
from spacy.util import registry, load_model_from_config
from spacy.ml.models import build_Tok2Vec_model, build_tb_parser_model
from spacy.ml.models import MultiHashEmbed, MaxoutWindowEncoder
from spacy.schemas import ConfigSchema
from ..util import make_tempdir
nlp_config_string = """
[paths]
train = ""
dev = ""
[training]
[training.train_corpus]
@readers = "spacy.Corpus.v1"
path = ${paths.train}
[training.dev_corpus]
@readers = "spacy.Corpus.v1"
path = ${paths.dev}
[training.batcher]
@batchers = "batch_by_words.v1"
size = 666
[nlp]
lang = "en"
pipeline = ["tok2vec", "tagger"]
[components]
[components.tok2vec]
factory = "tok2vec"
[components.tok2vec.model]
@architectures = "spacy.HashEmbedCNN.v1"
pretrained_vectors = null
width = 342
depth = 4
window_size = 1
embed_size = 2000
maxout_pieces = 3
subword_features = true
[components.tagger]
factory = "tagger"
[components.tagger.model]
@architectures = "spacy.Tagger.v1"
[components.tagger.model.tok2vec]
@architectures = "spacy.Tok2VecListener.v1"
width = ${components.tok2vec.model.width}
"""
parser_config_string = """
[model]
@architectures = "spacy.TransitionBasedParser.v1"
nr_feature_tokens = 99
hidden_width = 66
maxout_pieces = 2
[model.tok2vec]
@architectures = "spacy.HashEmbedCNN.v1"
pretrained_vectors = null
width = 333
depth = 4
embed_size = 5555
window_size = 1
maxout_pieces = 7
subword_features = false
"""
@registry.architectures.register("my_test_parser")
def my_parser():
tok2vec = build_Tok2Vec_model(
MultiHashEmbed(
width=321,
rows=5432,
also_embed_subwords=True,
also_use_static_vectors=False,
),
MaxoutWindowEncoder(width=321, window_size=3, maxout_pieces=4, depth=2),
)
parser = build_tb_parser_model(
tok2vec=tok2vec, nr_feature_tokens=7, hidden_width=65, maxout_pieces=5
)
return parser
def test_create_nlp_from_config():
config = Config().from_str(nlp_config_string)
with pytest.raises(ConfigValidationError):
nlp, _ = load_model_from_config(config, auto_fill=False)
nlp, resolved = load_model_from_config(config, auto_fill=True)
assert nlp.config["training"]["batcher"]["size"] == 666
assert len(nlp.config["training"]) > 1
assert nlp.pipe_names == ["tok2vec", "tagger"]
assert len(nlp.config["components"]) == 2
assert len(nlp.config["nlp"]["pipeline"]) == 2
nlp.remove_pipe("tagger")
assert len(nlp.config["components"]) == 1
assert len(nlp.config["nlp"]["pipeline"]) == 1
with pytest.raises(ValueError):
bad_cfg = {"yolo": {}}
load_model_from_config(Config(bad_cfg), auto_fill=True)
with pytest.raises(ValueError):
bad_cfg = {"pipeline": {"foo": "bar"}}
load_model_from_config(Config(bad_cfg), auto_fill=True)
def test_create_nlp_from_config_multiple_instances():
"""Test that the nlp object is created correctly for a config with multiple
instances of the same component."""
config = Config().from_str(nlp_config_string)
config["components"] = {
"t2v": config["components"]["tok2vec"],
"tagger1": config["components"]["tagger"],
"tagger2": config["components"]["tagger"],
}
config["nlp"]["pipeline"] = list(config["components"].keys())
nlp, _ = load_model_from_config(config, auto_fill=True)
assert nlp.pipe_names == ["t2v", "tagger1", "tagger2"]
assert nlp.get_pipe_meta("t2v").factory == "tok2vec"
assert nlp.get_pipe_meta("tagger1").factory == "tagger"
assert nlp.get_pipe_meta("tagger2").factory == "tagger"
pipeline_config = nlp.config["components"]
assert len(pipeline_config) == 3
assert list(pipeline_config.keys()) == ["t2v", "tagger1", "tagger2"]
assert nlp.config["nlp"]["pipeline"] == ["t2v", "tagger1", "tagger2"]
def test_serialize_nlp():
""" Create a custom nlp pipeline from config and ensure it serializes it correctly """
nlp_config = Config().from_str(nlp_config_string)
nlp, _ = load_model_from_config(nlp_config, auto_fill=True)
nlp.begin_training()
assert "tok2vec" in nlp.pipe_names
assert "tagger" in nlp.pipe_names
assert "parser" not in nlp.pipe_names
assert nlp.get_pipe("tagger").model.get_ref("tok2vec").get_dim("nO") == 342
with make_tempdir() as d:
nlp.to_disk(d)
nlp2 = spacy.load(d)
assert "tok2vec" in nlp2.pipe_names
assert "tagger" in nlp2.pipe_names
assert "parser" not in nlp2.pipe_names
assert nlp2.get_pipe("tagger").model.get_ref("tok2vec").get_dim("nO") == 342
def test_serialize_custom_nlp():
""" Create a custom nlp pipeline and ensure it serializes it correctly"""
nlp = English()
parser_cfg = dict()
parser_cfg["model"] = {"@architectures": "my_test_parser"}
nlp.add_pipe("parser", config=parser_cfg)
nlp.begin_training()
with make_tempdir() as d:
nlp.to_disk(d)
nlp2 = spacy.load(d)
model = nlp2.get_pipe("parser").model
model.get_ref("tok2vec")
upper = model.get_ref("upper")
# check that we have the correct settings, not the default ones
assert upper.get_dim("nI") == 65
def test_serialize_parser():
""" Create a non-default parser config to check nlp serializes it correctly """
nlp = English()
model_config = Config().from_str(parser_config_string)
parser = nlp.add_pipe("parser", config=model_config)
parser.add_label("nsubj")
nlp.begin_training()
with make_tempdir() as d:
nlp.to_disk(d)
nlp2 = spacy.load(d)
model = nlp2.get_pipe("parser").model
model.get_ref("tok2vec")
upper = model.get_ref("upper")
# check that we have the correct settings, not the default ones
assert upper.get_dim("nI") == 66
def test_config_nlp_roundtrip():
"""Test that a config prduced by the nlp object passes training config
validation."""
nlp = English()
nlp.add_pipe("entity_ruler")
nlp.add_pipe("ner")
new_nlp, new_config = load_model_from_config(nlp.config, auto_fill=False)
assert new_nlp.config == nlp.config
assert new_nlp.pipe_names == nlp.pipe_names
assert new_nlp._pipe_configs == nlp._pipe_configs
assert new_nlp._pipe_meta == nlp._pipe_meta
assert new_nlp._factory_meta == nlp._factory_meta
def test_config_nlp_roundtrip_bytes_disk():
"""Test that the config is serialized correctly and not interpolated
by mistake."""
nlp = English()
nlp_bytes = nlp.to_bytes()
new_nlp = English().from_bytes(nlp_bytes)
assert new_nlp.config == nlp.config
nlp = English()
with make_tempdir() as d:
nlp.to_disk(d)
new_nlp = spacy.load(d)
assert new_nlp.config == nlp.config
def test_serialize_config_language_specific():
"""Test that config serialization works as expected with language-specific
factories."""
name = "test_serialize_config_language_specific"
@English.factory(name, default_config={"foo": 20})
def custom_factory(nlp: Language, name: str, foo: int):
return lambda doc: doc
nlp = Language()
assert not nlp.has_factory(name)
nlp = English()
assert nlp.has_factory(name)
nlp.add_pipe(name, config={"foo": 100}, name="bar")
pipe_config = nlp.config["components"]["bar"]
assert pipe_config["foo"] == 100
assert pipe_config["factory"] == name
with make_tempdir() as d:
nlp.to_disk(d)
nlp2 = spacy.load(d)
assert nlp2.has_factory(name)
assert nlp2.pipe_names == ["bar"]
assert nlp2.get_pipe_meta("bar").factory == name
pipe_config = nlp2.config["components"]["bar"]
assert pipe_config["foo"] == 100
assert pipe_config["factory"] == name
config = Config().from_str(nlp2.config.to_str())
config["nlp"]["lang"] = "de"
with pytest.raises(ValueError):
# German doesn't have a factory, only English does
load_model_from_config(config)
def test_serialize_config_missing_pipes():
config = Config().from_str(nlp_config_string)
config["components"].pop("tok2vec")
assert "tok2vec" in config["nlp"]["pipeline"]
assert "tok2vec" not in config["components"]
with pytest.raises(ValueError):
load_model_from_config(config, auto_fill=True)
def test_config_overrides():
overrides_nested = {"nlp": {"lang": "de", "pipeline": ["tagger"]}}
overrides_dot = {"nlp.lang": "de", "nlp.pipeline": ["tagger"]}
# load_model from config with overrides passed directly to Config
config = Config().from_str(nlp_config_string, overrides=overrides_dot)
nlp, _ = load_model_from_config(config, auto_fill=True)
assert isinstance(nlp, German)
assert nlp.pipe_names == ["tagger"]
# Serialized roundtrip with config passed in
base_config = Config().from_str(nlp_config_string)
base_nlp, _ = load_model_from_config(base_config, auto_fill=True)
assert isinstance(base_nlp, English)
assert base_nlp.pipe_names == ["tok2vec", "tagger"]
with make_tempdir() as d:
base_nlp.to_disk(d)
nlp = spacy.load(d, config=overrides_nested)
assert isinstance(nlp, German)
assert nlp.pipe_names == ["tagger"]
with make_tempdir() as d:
base_nlp.to_disk(d)
nlp = spacy.load(d, config=overrides_dot)
assert isinstance(nlp, German)
assert nlp.pipe_names == ["tagger"]
with make_tempdir() as d:
base_nlp.to_disk(d)
nlp = spacy.load(d)
assert isinstance(nlp, English)
assert nlp.pipe_names == ["tok2vec", "tagger"]
def test_config_interpolation():
config = Config().from_str(nlp_config_string, interpolate=False)
assert config["training"]["train_corpus"]["path"] == "${paths.train}"
interpolated = config.interpolate()
assert interpolated["training"]["train_corpus"]["path"] == ""
nlp = English.from_config(config)
assert nlp.config["training"]["train_corpus"]["path"] == "${paths.train}"
# Ensure that variables are preserved in nlp config
width = "${components.tok2vec.model.width}"
assert config["components"]["tagger"]["model"]["tok2vec"]["width"] == width
assert nlp.config["components"]["tagger"]["model"]["tok2vec"]["width"] == width
interpolated2 = nlp.config.interpolate()
assert interpolated2["training"]["train_corpus"]["path"] == ""
assert interpolated2["components"]["tagger"]["model"]["tok2vec"]["width"] == 342
nlp2 = English.from_config(interpolated)
assert nlp2.config["training"]["train_corpus"]["path"] == ""
assert nlp2.config["components"]["tagger"]["model"]["tok2vec"]["width"] == 342
def test_config_optional_sections():
config = Config().from_str(nlp_config_string)
config = DEFAULT_CONFIG.merge(config)
assert "pretraining" not in config
filled = registry.fill_config(config, schema=ConfigSchema, validate=False)
# Make sure that optional "pretraining" block doesn't default to None,
# which would (rightly) cause error because it'd result in a top-level
# key that's not a section (dict). Note that the following roundtrip is
# also how Config.interpolate works under the hood.
new_config = Config().from_str(filled.to_str())
assert new_config["pretraining"] == {}
def test_config_auto_fill_extra_fields():
config = Config({"nlp": {"lang": "en"}, "training": {}})
assert load_model_from_config(config, auto_fill=True)
config = Config({"nlp": {"lang": "en"}, "training": {"extra": "hello"}})
nlp, _ = load_model_from_config(config, auto_fill=True, validate=False)
assert "extra" not in nlp.config["training"]
# Make sure the config generated is valid
load_model_from_config(nlp.config)