spaCy/spacy/tests/pipeline/test_pipe_factories.py
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Python

import pytest
import spacy
from spacy.language import Language
from spacy.lang.en import English
from spacy.lang.de import German
from spacy.pipeline.tok2vec import DEFAULT_TOK2VEC_MODEL
from spacy.tokens import Doc
from spacy.util import registry, SimpleFrozenDict, combine_score_weights
from thinc.api import Model, Linear, ConfigValidationError
from pydantic import StrictInt, StrictStr
from ..util import make_tempdir
@pytest.mark.issue(5137)
def test_issue5137():
factory_name = "test_issue5137"
pipe_name = "my_component"
@Language.factory(factory_name)
class MyComponent:
def __init__(self, nlp, name=pipe_name, categories="all_categories"):
self.nlp = nlp
self.categories = categories
self.name = name
def __call__(self, doc):
pass
def to_disk(self, path, **kwargs):
pass
def from_disk(self, path, **cfg):
pass
nlp = English()
my_component = nlp.add_pipe(factory_name, name=pipe_name)
assert my_component.categories == "all_categories"
with make_tempdir() as tmpdir:
nlp.to_disk(tmpdir)
overrides = {"components": {pipe_name: {"categories": "my_categories"}}}
nlp2 = spacy.load(tmpdir, config=overrides)
assert nlp2.get_pipe(pipe_name).categories == "my_categories"
def test_pipe_function_component():
name = "test_component"
@Language.component(name)
def component(doc: Doc) -> Doc:
return doc
assert name in registry.factories
nlp = Language()
with pytest.raises(ValueError):
nlp.add_pipe(component)
nlp.add_pipe(name)
assert name in nlp.pipe_names
assert nlp.pipe_factories[name] == name
assert Language.get_factory_meta(name)
assert nlp.get_pipe_meta(name)
pipe = nlp.get_pipe(name)
assert pipe == component
pipe = nlp.create_pipe(name)
assert pipe == component
def test_pipe_class_component_init():
name1 = "test_class_component1"
name2 = "test_class_component2"
@Language.factory(name1)
class Component1:
def __init__(self, nlp: Language, name: str):
self.nlp = nlp
def __call__(self, doc: Doc) -> Doc:
return doc
class Component2:
def __init__(self, nlp: Language, name: str):
self.nlp = nlp
def __call__(self, doc: Doc) -> Doc:
return doc
@Language.factory(name2)
def factory(nlp: Language, name=name2):
return Component2(nlp, name)
nlp = Language()
for name, Component in [(name1, Component1), (name2, Component2)]:
assert name in registry.factories
with pytest.raises(ValueError):
nlp.add_pipe(Component(nlp, name))
nlp.add_pipe(name)
assert name in nlp.pipe_names
assert nlp.pipe_factories[name] == name
assert Language.get_factory_meta(name)
assert nlp.get_pipe_meta(name)
pipe = nlp.get_pipe(name)
assert isinstance(pipe, Component)
assert isinstance(pipe.nlp, Language)
pipe = nlp.create_pipe(name)
assert isinstance(pipe, Component)
assert isinstance(pipe.nlp, Language)
def test_pipe_class_component_config():
name = "test_class_component_config"
@Language.factory(name)
class Component:
def __init__(
self, nlp: Language, name: str, value1: StrictInt, value2: StrictStr
):
self.nlp = nlp
self.value1 = value1
self.value2 = value2
self.is_base = True
self.name = name
def __call__(self, doc: Doc) -> Doc:
return doc
@English.factory(name)
class ComponentEN:
def __init__(
self, nlp: Language, name: str, value1: StrictInt, value2: StrictStr
):
self.nlp = nlp
self.value1 = value1
self.value2 = value2
self.is_base = False
def __call__(self, doc: Doc) -> Doc:
return doc
nlp = Language()
with pytest.raises(ConfigValidationError): # no config provided
nlp.add_pipe(name)
with pytest.raises(ConfigValidationError): # invalid config
nlp.add_pipe(name, config={"value1": "10", "value2": "hello"})
with pytest.warns(UserWarning):
nlp.add_pipe(
name, config={"value1": 10, "value2": "hello", "name": "wrong_name"}
)
pipe = nlp.get_pipe(name)
assert isinstance(pipe.nlp, Language)
assert pipe.value1 == 10
assert pipe.value2 == "hello"
assert pipe.is_base is True
assert pipe.name == name
nlp_en = English()
with pytest.raises(ConfigValidationError): # invalid config
nlp_en.add_pipe(name, config={"value1": "10", "value2": "hello"})
nlp_en.add_pipe(name, config={"value1": 10, "value2": "hello"})
pipe = nlp_en.get_pipe(name)
assert isinstance(pipe.nlp, English)
assert pipe.value1 == 10
assert pipe.value2 == "hello"
assert pipe.is_base is False
def test_pipe_class_component_defaults():
name = "test_class_component_defaults"
@Language.factory(name)
class Component:
def __init__(
self,
nlp: Language,
name: str,
value1: StrictInt = StrictInt(10),
value2: StrictStr = StrictStr("hello"),
):
self.nlp = nlp
self.value1 = value1
self.value2 = value2
def __call__(self, doc: Doc) -> Doc:
return doc
nlp = Language()
nlp.add_pipe(name)
pipe = nlp.get_pipe(name)
assert isinstance(pipe.nlp, Language)
assert pipe.value1 == 10
assert pipe.value2 == "hello"
def test_pipe_class_component_model():
name = "test_class_component_model"
default_config = {
"model": {
"@architectures": "spacy.TextCatEnsemble.v2",
"tok2vec": DEFAULT_TOK2VEC_MODEL,
"linear_model": {
"@architectures": "spacy.TextCatBOW.v2",
"exclusive_classes": False,
"ngram_size": 1,
"no_output_layer": False,
},
},
"value1": 10,
}
@Language.factory(name, default_config=default_config)
class Component:
def __init__(self, nlp: Language, model: Model, name: str, value1: StrictInt):
self.nlp = nlp
self.model = model
self.value1 = value1
self.name = name
def __call__(self, doc: Doc) -> Doc:
return doc
nlp = Language()
nlp.add_pipe(name)
pipe = nlp.get_pipe(name)
assert isinstance(pipe.nlp, Language)
assert pipe.value1 == 10
assert isinstance(pipe.model, Model)
def test_pipe_class_component_model_custom():
name = "test_class_component_model_custom"
arch = f"{name}.arch"
default_config = {"value1": 1, "model": {"@architectures": arch, "nO": 0, "nI": 0}}
@Language.factory(name, default_config=default_config)
class Component:
def __init__(
self,
nlp: Language,
model: Model,
name: str,
value1: StrictInt = StrictInt(10),
):
self.nlp = nlp
self.model = model
self.value1 = value1
self.name = name
def __call__(self, doc: Doc) -> Doc:
return doc
@registry.architectures(arch)
def make_custom_arch(nO: StrictInt, nI: StrictInt):
return Linear(nO, nI)
nlp = Language()
config = {"value1": 20, "model": {"@architectures": arch, "nO": 1, "nI": 2}}
nlp.add_pipe(name, config=config)
pipe = nlp.get_pipe(name)
assert isinstance(pipe.nlp, Language)
assert pipe.value1 == 20
assert isinstance(pipe.model, Model)
assert pipe.model.name == "linear"
nlp = Language()
with pytest.raises(ConfigValidationError):
config = {"value1": "20", "model": {"@architectures": arch, "nO": 1, "nI": 2}}
nlp.add_pipe(name, config=config)
with pytest.raises(ConfigValidationError):
config = {"value1": 20, "model": {"@architectures": arch, "nO": 1.0, "nI": 2.0}}
nlp.add_pipe(name, config=config)
def test_pipe_factories_wrong_formats():
with pytest.raises(ValueError):
# Decorator is not called
@Language.component
def component(foo: int, bar: str):
...
with pytest.raises(ValueError):
# Decorator is not called
@Language.factory
def factory1(foo: int, bar: str):
...
with pytest.raises(ValueError):
# Factory function is missing "nlp" and "name" arguments
@Language.factory("test_pipe_factories_missing_args")
def factory2(foo: int, bar: str):
...
def test_pipe_factory_meta_config_cleanup():
"""Test that component-specific meta and config entries are represented
correctly and cleaned up when pipes are removed, replaced or renamed."""
nlp = Language()
nlp.add_pipe("ner", name="ner_component")
nlp.add_pipe("textcat")
assert nlp.get_factory_meta("ner")
assert nlp.get_pipe_meta("ner_component")
assert nlp.get_pipe_config("ner_component")
assert nlp.get_factory_meta("textcat")
assert nlp.get_pipe_meta("textcat")
assert nlp.get_pipe_config("textcat")
nlp.rename_pipe("textcat", "tc")
assert nlp.get_pipe_meta("tc")
assert nlp.get_pipe_config("tc")
with pytest.raises(ValueError):
nlp.remove_pipe("ner")
nlp.remove_pipe("ner_component")
assert "ner_component" not in nlp._pipe_meta
assert "ner_component" not in nlp._pipe_configs
with pytest.raises(ValueError):
nlp.replace_pipe("textcat", "parser")
nlp.replace_pipe("tc", "parser")
assert nlp.get_factory_meta("parser")
assert nlp.get_pipe_meta("tc").factory == "parser"
def test_pipe_factories_empty_dict_default():
"""Test that default config values can be empty dicts and that no config
validation error is raised."""
# TODO: fix this
name = "test_pipe_factories_empty_dict_default"
@Language.factory(name, default_config={"foo": {}})
def factory(nlp: Language, name: str, foo: dict):
...
nlp = Language()
nlp.create_pipe(name)
def test_pipe_factories_language_specific():
"""Test that language sub-classes can have their own factories, with
fallbacks to the base factories."""
name1 = "specific_component1"
name2 = "specific_component2"
Language.component(name1, func=lambda: "base")
English.component(name1, func=lambda: "en")
German.component(name2, func=lambda: "de")
assert Language.has_factory(name1)
assert not Language.has_factory(name2)
assert English.has_factory(name1)
assert not English.has_factory(name2)
assert German.has_factory(name1)
assert German.has_factory(name2)
nlp = Language()
assert nlp.create_pipe(name1)() == "base"
with pytest.raises(ValueError):
nlp.create_pipe(name2)
nlp_en = English()
assert nlp_en.create_pipe(name1)() == "en"
with pytest.raises(ValueError):
nlp_en.create_pipe(name2)
nlp_de = German()
assert nlp_de.create_pipe(name1)() == "base"
assert nlp_de.create_pipe(name2)() == "de"
def test_language_factories_invalid():
"""Test that assigning directly to Language.factories is now invalid and
raises a custom error."""
assert isinstance(Language.factories, SimpleFrozenDict)
with pytest.raises(NotImplementedError):
Language.factories["foo"] = "bar"
nlp = Language()
assert isinstance(nlp.factories, SimpleFrozenDict)
assert len(nlp.factories)
with pytest.raises(NotImplementedError):
nlp.factories["foo"] = "bar"
@pytest.mark.parametrize(
"weights,override,expected",
[
([{"a": 1.0}, {"b": 1.0}, {"c": 1.0}], {}, {"a": 0.33, "b": 0.33, "c": 0.33}),
([{"a": 1.0}, {"b": 50}, {"c": 100}], {}, {"a": 0.01, "b": 0.33, "c": 0.66}),
(
[{"a": 0.7, "b": 0.3}, {"c": 1.0}, {"d": 0.5, "e": 0.5}],
{},
{"a": 0.23, "b": 0.1, "c": 0.33, "d": 0.17, "e": 0.17},
),
(
[{"a": 100, "b": 300}, {"c": 50, "d": 50}],
{},
{"a": 0.2, "b": 0.6, "c": 0.1, "d": 0.1},
),
([{"a": 0.5, "b": 0.5}, {"b": 1.0}], {}, {"a": 0.33, "b": 0.67}),
([{"a": 0.5, "b": 0.0}], {}, {"a": 1.0, "b": 0.0}),
([{"a": 0.5, "b": 0.5}, {"b": 1.0}], {"a": 0.0}, {"a": 0.0, "b": 1.0}),
([{"a": 0.0, "b": 0.0}, {"c": 0.0}], {}, {"a": 0.0, "b": 0.0, "c": 0.0}),
([{"a": 0.0, "b": 0.0}, {"c": 1.0}], {}, {"a": 0.0, "b": 0.0, "c": 1.0}),
(
[{"a": 0.0, "b": 0.0}, {"c": 0.0}],
{"c": 0.2},
{"a": 0.0, "b": 0.0, "c": 1.0},
),
(
[{"a": 0.5, "b": 0.5, "c": 1.0, "d": 1.0}],
{"a": 0.0, "b": 0.0},
{"a": 0.0, "b": 0.0, "c": 0.5, "d": 0.5},
),
(
[{"a": 0.5, "b": 0.5, "c": 1.0, "d": 1.0}],
{"a": 0.0, "b": 0.0, "f": 0.0},
{"a": 0.0, "b": 0.0, "c": 0.5, "d": 0.5, "f": 0.0},
),
],
)
def test_language_factories_combine_score_weights(weights, override, expected):
result = combine_score_weights(weights, override)
assert sum(result.values()) in (0.99, 1.0, 0.0)
assert result == expected
def test_language_factories_scores():
name = "test_language_factories_scores"
func = lambda nlp, name: lambda doc: doc
weights1 = {"a1": 0.5, "a2": 0.5}
weights2 = {"b1": 0.2, "b2": 0.7, "b3": 0.1}
Language.factory(f"{name}1", default_score_weights=weights1, func=func)
Language.factory(f"{name}2", default_score_weights=weights2, func=func)
meta1 = Language.get_factory_meta(f"{name}1")
assert meta1.default_score_weights == weights1
meta2 = Language.get_factory_meta(f"{name}2")
assert meta2.default_score_weights == weights2
nlp = Language()
nlp._config["training"]["score_weights"] = {}
nlp.add_pipe(f"{name}1")
nlp.add_pipe(f"{name}2")
cfg = nlp.config["training"]
expected_weights = {"a1": 0.25, "a2": 0.25, "b1": 0.1, "b2": 0.35, "b3": 0.05}
assert cfg["score_weights"] == expected_weights
# Test with custom defaults
config = nlp.config.copy()
config["training"]["score_weights"]["a1"] = 0.0
config["training"]["score_weights"]["b3"] = 1.3
nlp = English.from_config(config)
score_weights = nlp.config["training"]["score_weights"]
expected = {"a1": 0.0, "a2": 0.12, "b1": 0.05, "b2": 0.17, "b3": 0.65}
assert score_weights == expected
# Test with null values
config = nlp.config.copy()
config["training"]["score_weights"]["a1"] = None
nlp = English.from_config(config)
score_weights = nlp.config["training"]["score_weights"]
expected = {"a1": None, "a2": 0.12, "b1": 0.05, "b2": 0.17, "b3": 0.66}
assert score_weights == expected
def test_pipe_factories_from_source():
"""Test adding components from a source model."""
source_nlp = English()
source_nlp.add_pipe("tagger", name="my_tagger")
nlp = English()
with pytest.raises(ValueError):
nlp.add_pipe("my_tagger", source="en_core_web_sm")
nlp.add_pipe("my_tagger", source=source_nlp)
assert "my_tagger" in nlp.pipe_names
with pytest.raises(KeyError):
nlp.add_pipe("custom", source=source_nlp)
def test_pipe_factories_from_source_language_subclass():
class CustomEnglishDefaults(English.Defaults):
stop_words = set(["custom", "stop"])
@registry.languages("custom_en")
class CustomEnglish(English):
lang = "custom_en"
Defaults = CustomEnglishDefaults
source_nlp = English()
source_nlp.add_pipe("tagger")
# custom subclass
nlp = CustomEnglish()
nlp.add_pipe("tagger", source=source_nlp)
assert "tagger" in nlp.pipe_names
# non-subclass
nlp = German()
nlp.add_pipe("tagger", source=source_nlp)
assert "tagger" in nlp.pipe_names
# mismatched vectors
nlp = English()
nlp.vocab.vectors.resize((1, 4))
nlp.vocab.vectors.add("cat", vector=[1, 2, 3, 4])
with pytest.warns(UserWarning):
nlp.add_pipe("tagger", source=source_nlp)
def test_pipe_factories_from_source_custom():
"""Test adding components from a source model with custom components."""
name = "test_pipe_factories_from_source_custom"
@Language.factory(name, default_config={"arg": "hello"})
def test_factory(nlp, name, arg: str):
return lambda doc: doc
source_nlp = English()
source_nlp.add_pipe("tagger")
source_nlp.add_pipe(name, config={"arg": "world"})
nlp = English()
nlp.add_pipe(name, source=source_nlp)
assert name in nlp.pipe_names
assert nlp.get_pipe_meta(name).default_config["arg"] == "hello"
config = nlp.config["components"][name]
assert config["factory"] == name
assert config["arg"] == "world"
def test_pipe_factories_from_source_config():
name = "test_pipe_factories_from_source_config"
@Language.factory(name, default_config={"arg": "hello"})
def test_factory(nlp, name, arg: str):
return lambda doc: doc
source_nlp = English()
source_nlp.add_pipe("tagger")
source_nlp.add_pipe(name, name="yolo", config={"arg": "world"})
dest_nlp_cfg = {"lang": "en", "pipeline": ["parser", "custom"]}
with make_tempdir() as tempdir:
source_nlp.to_disk(tempdir)
dest_components_cfg = {
"parser": {"factory": "parser"},
"custom": {"source": str(tempdir), "component": "yolo"},
}
dest_config = {"nlp": dest_nlp_cfg, "components": dest_components_cfg}
nlp = English.from_config(dest_config)
assert nlp.pipe_names == ["parser", "custom"]
assert nlp.pipe_factories == {"parser": "parser", "custom": name}
meta = nlp.get_pipe_meta("custom")
assert meta.factory == name
assert meta.default_config["arg"] == "hello"
config = nlp.config["components"]["custom"]
assert config["factory"] == name
assert config["arg"] == "world"
class PipeFactoriesIdempotent:
def __init__(self, nlp, name):
...
def __call__(self, doc):
...
@pytest.mark.parametrize(
"i,func,func2",
[
(0, lambda nlp, name: lambda doc: doc, lambda doc: doc),
(1, PipeFactoriesIdempotent, PipeFactoriesIdempotent(None, None)),
],
)
def test_pipe_factories_decorator_idempotent(i, func, func2):
"""Check that decorator can be run multiple times if the function is the
same. This is especially relevant for live reloading because we don't
want spaCy to raise an error if a module registering components is reloaded.
"""
name = f"test_pipe_factories_decorator_idempotent_{i}"
for i in range(5):
Language.factory(name, func=func)
nlp = Language()
nlp.add_pipe(name)
Language.factory(name, func=func)
# Make sure it also works for component decorator, which creates the
# factory function
name2 = f"{name}2"
for i in range(5):
Language.component(name2, func=func2)
nlp = Language()
nlp.add_pipe(name)
Language.component(name2, func=func2)
def test_pipe_factories_config_excludes_nlp():
"""Test that the extra values we temporarily add to component config
blocks/functions are removed and not copied around.
"""
name = "test_pipe_factories_config_excludes_nlp"
func = lambda nlp, name: lambda doc: doc
Language.factory(name, func=func)
config = {
"nlp": {"lang": "en", "pipeline": [name]},
"components": {name: {"factory": name}},
}
nlp = English.from_config(config)
assert nlp.pipe_names == [name]
pipe_cfg = nlp.get_pipe_config(name)
pipe_cfg == {"factory": name}
assert nlp._pipe_configs[name] == {"factory": name}