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Move Entity Linker v1 to spacy-legacy (#12006)

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* Move Entity Linker v1 component to spacy-legacy

This is a follow up to #11889 that moves the component instead of
removing it.

In general, we never import from spacy-legacy in spaCy proper. However,
to use this component, that kind of import will be necessary. I was able
to test this without issues, but is this current import strategy
acceptable? Or should we put the component in a registry?

* Use spacy-legacy pr for CI

This will need to be reverted before merging.

* Add temporary step to log installed spacy-legacy version

* Modify requirements.txt to trigger tests

* Add comment to Python to trigger tests

* TODO REVERT This is a commit with logic changes to trigger tests

* Remove pipe from YAML

Works locally, but possibly this is causing a quoting error or
something.

* Revert "TODO REVERT This is a commit with logic changes to trigger tests"

This reverts commit 689fae71f3.

* Revert "Add comment to Python to trigger tests"

This reverts commit 11840fc598.

* Add more logging

* Try installing directly in workflow

* Try explicitly uninstalling spacy-legacy first

* Cat requirements.txt to confirm contents

In the branch, the thinc version spec is `thinc>=8.1.0,<8.2.0`. But in
the logs, it's clear that a development release of 9.0 is being
installed. It's not clear why that would happen.

* Log requirements at start of build

* TODO REVERT Change thinc spec

Want to see what happens to the installed thinc spec with this change.

* Update thinc requirements

This makes it the same as it was before the merge, >=8.1.0,<8.2.0.

* Use same thinc version as v4 branch

* TODO REVERT Mark dependency check as xfail

spacy-legacy is specified as a git checkout in requirements.txt while
this PR is in progress, which makes the consistency check here fail.

* Remove debugging output / install step

* Revert "Remove debugging output / install step"

This reverts commit 923ea7448b.

* Clean up debugging output

The manual install step with the URL fragment seems to have caused
issues on Windows due to the = in the URL being misinterpreted. On the
other hand, removing it seems to mean the git version of spacy-legacy
isn't actually installed.

This PR removes the URL fragment but keeps the direct command-line
install. Additionally, since it looks like this job is configured to use
the default shell (and not bash), it removes a comment that upsets the
Windows cmd shell.

* Revert "TODO REVERT Mark dependency check as xfail"

This reverts commit d4863ec156.

* Fix requirements.txt, increasing spacy-legacy version

* Raise spacy legacy version in setup.cfg

* Remove azure build workarounds

* make spacy-legacy version explicit in error message

* Remove debugging line

* Suggestions from code review
This commit is contained in:
Paul O'Leary McCann 2023-02-01 17:47:56 +09:00 committed by GitHub
parent 360ccf628a
commit 6920fb7baf
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4 changed files with 8 additions and 427 deletions
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7
spacy/pipeline/entity_linker.py
View File

@ -13,7 +13,6 @@ from ..kb import KnowledgeBase, Candidate
from ..ml import empty_kb
from ..tokens import Doc, Span
from .pipe import deserialize_config
from .legacy.entity_linker import EntityLinker_v1
from .trainable_pipe import TrainablePipe
from ..language import Language
from ..vocab import Vocab
@ -120,6 +119,12 @@ def make_entity_linker(
"""
if not model.attrs.get("include_span_maker", False):
try:
from spacy_legacy.components.entity_linker import EntityLinker_v1
except:
raise ImportError(
"In order to use v1 of the EntityLinker, you must use spacy-legacy>=3.0.12."
)
# The only difference in arguments here is that use_gold_ents and threshold aren't available.
return EntityLinker_v1(
nlp.vocab,

3
spacy/pipeline/legacy/__init__.py
View File

@ -1,3 +0,0 @@
from .entity_linker import EntityLinker_v1
__all__ = ["EntityLinker_v1"]

422
spacy/pipeline/legacy/entity_linker.py
View File

@ -1,422 +0,0 @@
# This file is present to provide a prior version of the EntityLinker component
# for backwards compatability. For details see #9669.
from typing import Optional, Iterable, Callable, Dict, Union, List, Any
from thinc.types import Floats2d
from pathlib import Path
from itertools import islice
import srsly
import random
from thinc.api import CosineDistance, Model, Optimizer
from thinc.api import set_dropout_rate
import warnings
from ...kb import KnowledgeBase, Candidate
from ...ml import empty_kb
from ...tokens import Doc, Span
from ..pipe import deserialize_config
from ..trainable_pipe import TrainablePipe
from ...language import Language
from ...vocab import Vocab
from ...training import Example, validate_examples, validate_get_examples
from ...errors import Errors, Warnings
from ...util import SimpleFrozenList
from ... import util
from ...scorer import Scorer
# See #9050
BACKWARD_OVERWRITE = True
def entity_linker_score(examples, **kwargs):
return Scorer.score_links(examples, negative_labels=[EntityLinker_v1.NIL], **kwargs)
class EntityLinker_v1(TrainablePipe):
"""Pipeline component for named entity linking.
DOCS: https://spacy.io/api/entitylinker
"""
NIL = "NIL" # string used to refer to a non-existing link
def __init__(
self,
vocab: Vocab,
model: Model,
name: str = "entity_linker",
*,
labels_discard: Iterable[str],
n_sents: int,
incl_prior: bool,
incl_context: bool,
entity_vector_length: int,
get_candidates: Callable[[KnowledgeBase, Span], Iterable[Candidate]],
overwrite: bool = BACKWARD_OVERWRITE,
scorer: Optional[Callable] = entity_linker_score,
) -> None:
"""Initialize an entity linker.
vocab (Vocab): The shared vocabulary.
model (thinc.api.Model): The Thinc Model powering the pipeline component.
name (str): The component instance name, used to add entries to the
losses during training.
labels_discard (Iterable[str]): NER labels that will automatically get a "NIL" prediction.
n_sents (int): The number of neighbouring sentences to take into account.
incl_prior (bool): Whether or not to include prior probabilities from the KB in the model.
incl_context (bool): Whether or not to include the local context in the model.
entity_vector_length (int): Size of encoding vectors in the KB.
get_candidates (Callable[[KnowledgeBase, Span], Iterable[Candidate]]): Function that
produces a list of candidates, given a certain knowledge base and a textual mention.
scorer (Optional[Callable]): The scoring method. Defaults to Scorer.score_links.
DOCS: https://spacy.io/api/entitylinker#init
"""
self.vocab = vocab
self.model = model
self.name = name
self.labels_discard = list(labels_discard)
self.n_sents = n_sents
self.incl_prior = incl_prior
self.incl_context = incl_context
self.get_candidates = get_candidates
self.cfg: Dict[str, Any] = {"overwrite": overwrite}
self.distance = CosineDistance(normalize=False)
# how many neighbour sentences to take into account
# create an empty KB by default. If you want to load a predefined one, specify it in 'initialize'.
self.kb = empty_kb(entity_vector_length)(self.vocab)
self.scorer = scorer
def set_kb(self, kb_loader: Callable[[Vocab], KnowledgeBase]):
"""Define the KB of this pipe by providing a function that will
create it using this object's vocab."""
if not callable(kb_loader):
raise ValueError(Errors.E885.format(arg_type=type(kb_loader)))
self.kb = kb_loader(self.vocab)
def validate_kb(self) -> None:
# Raise an error if the knowledge base is not initialized.
if self.kb is None:
raise ValueError(Errors.E1018.format(name=self.name))
if len(self.kb) == 0:
raise ValueError(Errors.E139.format(name=self.name))
def initialize(
self,
get_examples: Callable[[], Iterable[Example]],
*,
nlp: Optional[Language] = None,
kb_loader: Optional[Callable[[Vocab], KnowledgeBase]] = None,
):
"""Initialize the pipe for training, using a representative set
of data examples.
get_examples (Callable[[], Iterable[Example]]): Function that
returns a representative sample of gold-standard Example objects.
nlp (Language): The current nlp object the component is part of.
kb_loader (Callable[[Vocab], KnowledgeBase]): A function that creates an InMemoryLookupKB from a Vocab instance.
Note that providing this argument, will overwrite all data accumulated in the current KB.
Use this only when loading a KB as-such from file.
DOCS: https://spacy.io/api/entitylinker#initialize
"""
validate_get_examples(get_examples, "EntityLinker_v1.initialize")
if kb_loader is not None:
self.set_kb(kb_loader)
self.validate_kb()
nO = self.kb.entity_vector_length
doc_sample = []
vector_sample = []
for example in islice(get_examples(), 10):
doc_sample.append(example.x)
vector_sample.append(self.model.ops.alloc1f(nO))
assert len(doc_sample) > 0, Errors.E923.format(name=self.name)
assert len(vector_sample) > 0, Errors.E923.format(name=self.name)
self.model.initialize(
X=doc_sample, Y=self.model.ops.asarray(vector_sample, dtype="float32")
)
def update(
self,
examples: Iterable[Example],
*,
drop: float = 0.0,
sgd: Optional[Optimizer] = None,
losses: Optional[Dict[str, float]] = None,
) -> Dict[str, float]:
"""Learn from a batch of documents and gold-standard information,
updating the pipe's model. Delegates to predict and get_loss.
examples (Iterable[Example]): A batch of Example objects.
drop (float): The dropout rate.
sgd (thinc.api.Optimizer): The optimizer.
losses (Dict[str, float]): Optional record of the loss during training.
Updated using the component name as the key.
RETURNS (Dict[str, float]): The updated losses dictionary.
DOCS: https://spacy.io/api/entitylinker#update
"""
self.validate_kb()
if losses is None:
losses = {}
losses.setdefault(self.name, 0.0)
if not examples:
return losses
validate_examples(examples, "EntityLinker_v1.update")
sentence_docs = []
for eg in examples:
sentences = [s for s in eg.reference.sents]
kb_ids = eg.get_aligned("ENT_KB_ID", as_string=True)
for ent in eg.reference.ents:
# KB ID of the first token is the same as the whole span
kb_id = kb_ids[ent.start]
if kb_id:
try:
# find the sentence in the list of sentences.
sent_index = sentences.index(ent.sent)
except AttributeError:
# Catch the exception when ent.sent is None and provide a user-friendly warning
raise RuntimeError(Errors.E030) from None
# get n previous sentences, if there are any
start_sentence = max(0, sent_index - self.n_sents)
# get n posterior sentences, or as many < n as there are
end_sentence = min(len(sentences) - 1, sent_index + self.n_sents)
# get token positions
start_token = sentences[start_sentence].start
end_token = sentences[end_sentence].end
# append that span as a doc to training
sent_doc = eg.predicted[start_token:end_token].as_doc()
sentence_docs.append(sent_doc)
set_dropout_rate(self.model, drop)
if not sentence_docs:
warnings.warn(Warnings.W093.format(name="Entity Linker"))
return losses
sentence_encodings, bp_context = self.model.begin_update(sentence_docs)
loss, d_scores = self.get_loss(
sentence_encodings=sentence_encodings, examples=examples
)
bp_context(d_scores)
if sgd is not None:
self.finish_update(sgd)
losses[self.name] += loss
return losses
def get_loss(self, examples: Iterable[Example], sentence_encodings: Floats2d):
validate_examples(examples, "EntityLinker_v1.get_loss")
entity_encodings = []
for eg in examples:
kb_ids = eg.get_aligned("ENT_KB_ID", as_string=True)
for ent in eg.reference.ents:
kb_id = kb_ids[ent.start]
if kb_id:
entity_encoding = self.kb.get_vector(kb_id)
entity_encodings.append(entity_encoding)
entity_encodings = self.model.ops.asarray2f(entity_encodings)
if sentence_encodings.shape != entity_encodings.shape:
err = Errors.E147.format(
method="get_loss", msg="gold entities do not match up"
)
raise RuntimeError(err)
gradients = self.distance.get_grad(sentence_encodings, entity_encodings)
loss = self.distance.get_loss(sentence_encodings, entity_encodings)
loss = loss / len(entity_encodings)
return float(loss), gradients
def predict(self, docs: Iterable[Doc]) -> List[str]:
"""Apply the pipeline's model to a batch of docs, without modifying them.
Returns the KB IDs for each entity in each doc, including NIL if there is
no prediction.
docs (Iterable[Doc]): The documents to predict.
RETURNS (List[str]): The models prediction for each document.
DOCS: https://spacy.io/api/entitylinker#predict
"""
self.validate_kb()
entity_count = 0
final_kb_ids: List[str] = []
if not docs:
return final_kb_ids
if isinstance(docs, Doc):
docs = [docs]
for i, doc in enumerate(docs):
sentences = [s for s in doc.sents]
if len(doc) > 0:
# Looping through each entity (TODO: rewrite)
for ent in doc.ents:
sent = ent.sent
sent_index = sentences.index(sent)
assert sent_index >= 0
# get n_neighbour sentences, clipped to the length of the document
start_sentence = max(0, sent_index - self.n_sents)
end_sentence = min(len(sentences) - 1, sent_index + self.n_sents)
start_token = sentences[start_sentence].start
end_token = sentences[end_sentence].end
sent_doc = doc[start_token:end_token].as_doc()
# currently, the context is the same for each entity in a sentence (should be refined)
xp = self.model.ops.xp
if self.incl_context:
sentence_encoding = self.model.predict([sent_doc])[0]
sentence_encoding_t = sentence_encoding.T
sentence_norm = xp.linalg.norm(sentence_encoding_t)
entity_count += 1
if ent.label_ in self.labels_discard:
# ignoring this entity - setting to NIL
final_kb_ids.append(self.NIL)
else:
candidates = list(self.get_candidates(self.kb, ent))
if not candidates:
# no prediction possible for this entity - setting to NIL
final_kb_ids.append(self.NIL)
elif len(candidates) == 1:
# shortcut for efficiency reasons: take the 1 candidate
final_kb_ids.append(candidates[0].entity_)
else:
random.shuffle(candidates)
# set all prior probabilities to 0 if incl_prior=False
prior_probs = xp.asarray([c.prior_prob for c in candidates])
if not self.incl_prior:
prior_probs = xp.asarray([0.0 for _ in candidates])
scores = prior_probs
# add in similarity from the context
if self.incl_context:
entity_encodings = xp.asarray(
[c.entity_vector for c in candidates]
)
entity_norm = xp.linalg.norm(entity_encodings, axis=1)
if len(entity_encodings) != len(prior_probs):
raise RuntimeError(
Errors.E147.format(
method="predict",
msg="vectors not of equal length",
)
)
# cosine similarity
sims = xp.dot(entity_encodings, sentence_encoding_t) / (
sentence_norm * entity_norm
)
if sims.shape != prior_probs.shape:
raise ValueError(Errors.E161)
scores = prior_probs + sims - (prior_probs * sims)
best_index = scores.argmax().item()
best_candidate = candidates[best_index]
final_kb_ids.append(best_candidate.entity_)
if not (len(final_kb_ids) == entity_count):
err = Errors.E147.format(
method="predict", msg="result variables not of equal length"
)
raise RuntimeError(err)
return final_kb_ids
def set_annotations(self, docs: Iterable[Doc], kb_ids: List[str]) -> None:
"""Modify a batch of documents, using pre-computed scores.
docs (Iterable[Doc]): The documents to modify.
kb_ids (List[str]): The IDs to set, produced by EntityLinker.predict.
DOCS: https://spacy.io/api/entitylinker#set_annotations
"""
count_ents = len([ent for doc in docs for ent in doc.ents])
if count_ents != len(kb_ids):
raise ValueError(Errors.E148.format(ents=count_ents, ids=len(kb_ids)))
i = 0
overwrite = self.cfg["overwrite"]
for doc in docs:
for ent in doc.ents:
kb_id = kb_ids[i]
i += 1
for token in ent:
if token.ent_kb_id == 0 or overwrite:
token.ent_kb_id_ = kb_id
def to_bytes(self, *, exclude=tuple()):
"""Serialize the pipe to a bytestring.
exclude (Iterable[str]): String names of serialization fields to exclude.
RETURNS (bytes): The serialized object.
DOCS: https://spacy.io/api/entitylinker#to_bytes
"""
self._validate_serialization_attrs()
serialize = {}
if hasattr(self, "cfg") and self.cfg is not None:
serialize["cfg"] = lambda: srsly.json_dumps(self.cfg)
serialize["vocab"] = lambda: self.vocab.to_bytes(exclude=exclude)
serialize["kb"] = self.kb.to_bytes
serialize["model"] = self.model.to_bytes
return util.to_bytes(serialize, exclude)
def from_bytes(self, bytes_data, *, exclude=tuple()):
"""Load the pipe from a bytestring.
exclude (Iterable[str]): String names of serialization fields to exclude.
RETURNS (TrainablePipe): The loaded object.
DOCS: https://spacy.io/api/entitylinker#from_bytes
"""
self._validate_serialization_attrs()
def load_model(b):
try:
self.model.from_bytes(b)
except AttributeError:
raise ValueError(Errors.E149) from None
deserialize = {}
if hasattr(self, "cfg") and self.cfg is not None:
deserialize["cfg"] = lambda b: self.cfg.update(srsly.json_loads(b))
deserialize["vocab"] = lambda b: self.vocab.from_bytes(b, exclude=exclude)
deserialize["kb"] = lambda b: self.kb.from_bytes(b)
deserialize["model"] = load_model
util.from_bytes(bytes_data, deserialize, exclude)
return self
def to_disk(
self, path: Union[str, Path], *, exclude: Iterable[str] = SimpleFrozenList()
) -> None:
"""Serialize the pipe to disk.
path (str / Path): Path to a directory.
exclude (Iterable[str]): String names of serialization fields to exclude.
DOCS: https://spacy.io/api/entitylinker#to_disk
"""
serialize = {}
serialize["vocab"] = lambda p: self.vocab.to_disk(p, exclude=exclude)
serialize["cfg"] = lambda p: srsly.write_json(p, self.cfg)
serialize["kb"] = lambda p: self.kb.to_disk(p)
serialize["model"] = lambda p: self.model.to_disk(p)
util.to_disk(path, serialize, exclude)
def from_disk(
self, path: Union[str, Path], *, exclude: Iterable[str] = SimpleFrozenList()
) -> "EntityLinker_v1":
"""Load the pipe from disk. Modifies the object in place and returns it.
path (str / Path): Path to a directory.
exclude (Iterable[str]): String names of serialization fields to exclude.
RETURNS (EntityLinker): The modified EntityLinker object.
DOCS: https://spacy.io/api/entitylinker#from_disk
"""
def load_model(p):
try:
with p.open("rb") as infile:
self.model.from_bytes(infile.read())
except AttributeError:
raise ValueError(Errors.E149) from None
deserialize: Dict[str, Callable[[Any], Any]] = {}
deserialize["cfg"] = lambda p: self.cfg.update(deserialize_config(p))
deserialize["vocab"] = lambda p: self.vocab.from_disk(p, exclude=exclude)
deserialize["kb"] = lambda p: self.kb.from_disk(p)
deserialize["model"] = load_model
util.from_disk(path, deserialize, exclude)
return self
def rehearse(self, examples, *, sgd=None, losses=None, **config):
raise NotImplementedError
def add_label(self, label):
raise NotImplementedError

3
spacy/tests/pipeline/test_entity_linker.py
View File

@ -12,7 +12,6 @@ from spacy.lang.en import English
from spacy.ml import load_kb
from spacy.ml.models.entity_linker import build_span_maker
from spacy.pipeline import EntityLinker, TrainablePipe
from spacy.pipeline.legacy import EntityLinker_v1
from spacy.pipeline.tok2vec import DEFAULT_TOK2VEC_MODEL
from spacy.scorer import Scorer
from spacy.tests.util import make_tempdir
@ -997,6 +996,8 @@ def test_scorer_links():
)
# fmt: on
def test_legacy_architectures(name, config):
from spacy_legacy.components.entity_linker import EntityLinker_v1
# Ensure that the legacy architectures still work
vector_length = 3
nlp = English()