spaCy/spacy/tests/serialize/test_serialize_kb.py
2023-06-26 11:41:03 +02:00

200 lines
6.9 KiB
Python

from pathlib import Path
from typing import Any, Callable, Dict, Iterable
import srsly
from numpy import zeros
from thinc.api import Config
from spacy import Errors, util
from spacy.kb.kb_in_memory import InMemoryLookupKB
from spacy.util import SimpleFrozenList, ensure_path, load_model_from_config, registry
from spacy.vocab import Vocab
from ..util import make_tempdir
def test_serialize_kb_disk(en_vocab):
# baseline assertions
kb1 = _get_dummy_kb(en_vocab)
_check_kb(kb1)
# dumping to file & loading back in
with make_tempdir() as d:
dir_path = ensure_path(d)
if not dir_path.exists():
dir_path.mkdir()
file_path = dir_path / "kb"
kb1.to_disk(str(file_path))
kb2 = InMemoryLookupKB(vocab=en_vocab, entity_vector_length=3)
kb2.from_disk(str(file_path))
# final assertions
_check_kb(kb2)
def _get_dummy_kb(vocab):
kb = InMemoryLookupKB(vocab, entity_vector_length=3)
kb.add_entity(entity="Q53", freq=33, entity_vector=[0, 5, 3])
kb.add_entity(entity="Q17", freq=2, entity_vector=[7, 1, 0])
kb.add_entity(entity="Q007", freq=7, entity_vector=[0, 0, 7])
kb.add_entity(entity="Q44", freq=342, entity_vector=[4, 4, 4])
kb.add_alias(alias="double07", entities=["Q17", "Q007"], probabilities=[0.1, 0.9])
kb.add_alias(
alias="guy",
entities=["Q53", "Q007", "Q17", "Q44"],
probabilities=[0.3, 0.3, 0.2, 0.1],
)
kb.add_alias(alias="random", entities=["Q007"], probabilities=[1.0])
return kb
def _check_kb(kb):
# check entities
assert kb.get_size_entities() == 4
for entity_string in ["Q53", "Q17", "Q007", "Q44"]:
assert entity_string in kb.get_entity_strings()
for entity_string in ["", "Q0"]:
assert entity_string not in kb.get_entity_strings()
# check aliases
assert kb.get_size_aliases() == 3
for alias_string in ["double07", "guy", "random"]:
assert alias_string in kb.get_alias_strings()
for alias_string in ["nothingness", "", "randomnoise"]:
assert alias_string not in kb.get_alias_strings()
# check candidates & probabilities
candidates = sorted(
kb._get_alias_candidates("double07"), key=lambda x: x.entity_id_
)
assert len(candidates) == 2
assert candidates[0].entity_id_ == "Q007"
assert 6.999 < candidates[0].entity_freq < 7.01
assert candidates[0].entity_vector == [0, 0, 7]
assert candidates[0].alias == "double07"
assert 0.899 < candidates[0].prior_prob < 0.901
assert candidates[1].entity_id_ == "Q17"
assert 1.99 < candidates[1].entity_freq < 2.01
assert candidates[1].entity_vector == [7, 1, 0]
assert candidates[1].alias == "double07"
assert 0.099 < candidates[1].prior_prob < 0.101
def test_serialize_subclassed_kb():
"""Check that IO of a custom KB works fine as part of an EL pipe."""
config_string = """
[nlp]
lang = "en"
pipeline = ["entity_linker"]
[components]
[components.entity_linker]
factory = "entity_linker"
[components.entity_linker.generate_empty_kb]
@misc = "kb_test.CustomEmptyKB.v1"
[initialize]
[initialize.components]
[initialize.components.entity_linker]
[initialize.components.entity_linker.kb_loader]
@misc = "kb_test.CustomKB.v1"
entity_vector_length = 342
custom_field = 666
"""
class SubInMemoryLookupKB(InMemoryLookupKB):
def __init__(self, vocab, entity_vector_length, custom_field):
super().__init__(vocab, entity_vector_length)
self.custom_field = custom_field
def to_disk(self, path, exclude: Iterable[str] = SimpleFrozenList()):
"""We overwrite InMemoryLookupKB.to_disk() to ensure that self.custom_field is stored as well."""
path = ensure_path(path)
if not path.exists():
path.mkdir(parents=True)
if not path.is_dir():
raise ValueError(Errors.E928.format(loc=path))
def serialize_custom_fields(file_path: Path) -> None:
srsly.write_json(file_path, {"custom_field": self.custom_field})
serialize = {
"contents": lambda p: self.write_contents(p),
"strings.json": lambda p: self.vocab.strings.to_disk(p),
"custom_fields": lambda p: serialize_custom_fields(p),
}
util.to_disk(path, serialize, exclude)
def from_disk(self, path, exclude: Iterable[str] = SimpleFrozenList()):
"""We overwrite InMemoryLookupKB.from_disk() to ensure that self.custom_field is loaded as well."""
path = ensure_path(path)
if not path.exists():
raise ValueError(Errors.E929.format(loc=path))
if not path.is_dir():
raise ValueError(Errors.E928.format(loc=path))
def deserialize_custom_fields(file_path: Path) -> None:
self.custom_field = srsly.read_json(file_path)["custom_field"]
deserialize: Dict[str, Callable[[Any], Any]] = {
"contents": lambda p: self.read_contents(p),
"strings.json": lambda p: self.vocab.strings.from_disk(p),
"custom_fields": lambda p: deserialize_custom_fields(p),
}
util.from_disk(path, deserialize, exclude)
@registry.misc("kb_test.CustomEmptyKB.v1")
def empty_custom_kb() -> Callable[[Vocab, int], SubInMemoryLookupKB]:
def empty_kb_factory(vocab: Vocab, entity_vector_length: int):
return SubInMemoryLookupKB(
vocab=vocab,
entity_vector_length=entity_vector_length,
custom_field=0,
)
return empty_kb_factory
@registry.misc("kb_test.CustomKB.v1")
def custom_kb(
entity_vector_length: int, custom_field: int
) -> Callable[[Vocab], SubInMemoryLookupKB]:
def custom_kb_factory(vocab):
kb = SubInMemoryLookupKB(
vocab=vocab,
entity_vector_length=entity_vector_length,
custom_field=custom_field,
)
kb.add_entity("random_entity", 0.0, zeros(entity_vector_length))
return kb
return custom_kb_factory
config = Config().from_str(config_string)
nlp = load_model_from_config(config, auto_fill=True)
nlp.initialize()
entity_linker = nlp.get_pipe("entity_linker")
assert type(entity_linker.kb) == SubInMemoryLookupKB
assert entity_linker.kb.entity_vector_length == 342
assert entity_linker.kb.custom_field == 666
# Make sure the custom KB is serialized correctly
with make_tempdir() as tmp_dir:
nlp.to_disk(tmp_dir)
nlp2 = util.load_model_from_path(tmp_dir)
entity_linker2 = nlp2.get_pipe("entity_linker")
# After IO, the KB is the standard one
assert type(entity_linker2.kb) == SubInMemoryLookupKB
assert entity_linker2.kb.entity_vector_length == 342
assert entity_linker2.kb.custom_field == 666