mirror of
https://github.com/explosion/spaCy.git
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Remove the 'pass example into __call__' thing
This commit is contained in:
Matthew Honnibal
parent
b3868cd1f8
commit
0714f1fa5c
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@ -20,7 +20,7 @@ from .defaults import default_nel, default_senter
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from .functions import merge_subtokens
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from ..language import Language, component
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from ..syntax import nonproj
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from ..gold import Example
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from ..gold.new_example import NewExample as Example
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from ..attrs import POS, ID
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from ..util import link_vectors_to_models, create_default_optimizer
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from ..parts_of_speech import X
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@ -48,12 +48,6 @@ class Pipe(object):
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def from_nlp(cls, nlp, model, **cfg):
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return cls(nlp.vocab, model, **cfg)
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def _get_doc(self, example):
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""" Use this method if the `example` can be both a Doc or an Example """
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if isinstance(example, Doc):
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return example
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return example.doc
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def __init__(self, vocab, model, **cfg):
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"""Create a new pipe instance."""
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raise NotImplementedError
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@ -73,18 +67,17 @@ class Pipe(object):
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else:
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self.set_annotations([doc], predictions)
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if isinstance(example, Example):
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example.doc = doc
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example.predicted = doc
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return example
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return doc
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def pipe(self, stream, batch_size=128, n_threads=-1, as_example=False):
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def pipe(self, stream, batch_size=128, n_threads=-1):
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"""Apply the pipe to a stream of documents.
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Both __call__ and pipe should delegate to the `predict()`
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and `set_annotations()` methods.
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"""
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for examples in util.minibatch(stream, size=batch_size):
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docs = [self._get_doc(ex) for ex in examples]
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predictions = self.predict(docs)
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if isinstance(predictions, tuple) and len(tuple) == 2:
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scores, tensors = predictions
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@ -94,7 +87,7 @@ class Pipe(object):
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if as_example:
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for ex, doc in zip(examples, docs):
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ex.doc = doc
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ex.predicted = doc
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yield ex
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else:
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yield from docs
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@ -116,7 +109,6 @@ class Pipe(object):
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Delegates to predict() and get_loss().
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"""
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if set_annotations:
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docs = (self._get_doc(ex) for ex in examples)
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docs = list(self.pipe(docs))
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def rehearse(self, examples, sgd=None, losses=None, **config):
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@ -256,27 +248,17 @@ class Tagger(Pipe):
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return tuple(self.vocab.morphology.tag_names)
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def __call__(self, example):
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doc = self._get_doc(example)
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tags = self.predict([doc])
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self.set_annotations([doc], tags)
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if isinstance(example, Example):
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example.doc = doc
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example.predicted = doc
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return example
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return doc
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def pipe(self, stream, batch_size=128, n_threads=-1, as_example=False):
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for examples in util.minibatch(stream, size=batch_size):
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docs = [self._get_doc(ex) for ex in examples]
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for docs in util.minibatch(stream, size=batch_size):
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tag_ids = self.predict(docs)
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assert len(docs) == len(examples)
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assert len(tag_ids) == len(examples)
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self.set_annotations(docs, tag_ids)
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if as_example:
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for ex, doc in zip(examples, docs):
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ex.doc = doc
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yield ex
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else:
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yield from docs
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def predict(self, docs):
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@ -327,15 +309,17 @@ class Tagger(Pipe):
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doc.is_tagged = True
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def update(self, examples, drop=0., sgd=None, losses=None, set_annotations=False):
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examples = Example.to_example_objects(examples)
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for eg in examples:
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assert isinstance(eg, Example)
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if losses is not None and self.name not in losses:
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losses[self.name] = 0.
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if not any(len(ex.doc) if ex.doc else 0 for ex in examples):
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if not any(len(eg.predicted) if eg.predicted else 0 for eg in examples):
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# Handle cases where there are no tokens in any docs.
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return
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set_dropout_rate(self.model, drop)
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tag_scores, bp_tag_scores = self.model.begin_update([ex.doc for ex in examples])
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tag_scores, bp_tag_scores = self.model.begin_update(
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[eg.predicted for eg in examples])
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for sc in tag_scores:
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if self.model.ops.xp.isnan(sc.sum()):
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raise ValueError("nan value in scores")
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@ -347,17 +331,16 @@ class Tagger(Pipe):
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if losses is not None:
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losses[self.name] += loss
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if set_annotations:
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docs = [ex.doc for ex in examples]
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docs = [eg.predicted for eg in examples]
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self.set_annotations(docs, self._scores2guesses(tag_scores))
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def rehearse(self, examples, drop=0., sgd=None, losses=None):
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"""Perform a 'rehearsal' update, where we try to match the output of
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an initial model.
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"""
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docs = [eg.predicted for eg in examples]
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if self._rehearsal_model is None:
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return
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examples = Example.to_example_objects(examples)
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docs = [ex.doc for ex in examples]
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if not any(len(doc) for doc in docs):
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# Handle cases where there are no tokens in any docs.
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return
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@ -387,7 +370,8 @@ class Tagger(Pipe):
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orig_tag_map = dict(self.vocab.morphology.tag_map)
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new_tag_map = {}
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for example in get_examples():
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for tag in example.token_annotation.tags:
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for token in example.y:
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tag = token.tag_
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if tag in orig_tag_map:
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new_tag_map[tag] = orig_tag_map[tag]
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else:
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@ -575,7 +559,7 @@ class SentenceRecognizer(Tagger):
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d_scores = scores - to_categorical(correct, n_classes=scores.shape[1])
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d_scores *= self.model.ops.asarray(known_labels)
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loss = (d_scores**2).sum()
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docs = [eg.doc for eg in examples]
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docs = [eg.predicted for eg in examples]
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d_scores = self.model.ops.unflatten(d_scores, [len(d) for d in docs])
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return float(loss), d_scores
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@ -687,8 +671,8 @@ class MultitaskObjective(Tagger):
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gold_examples = nonproj.preprocess_training_data(get_examples())
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# for raw_text, doc_annot in gold_tuples:
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for example in gold_examples:
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for i in range(len(example.token_annotation.ids)):
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label = self.make_label(i, example.token_annotation)
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for token in example.y:
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label = self.make_label(token)
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if label is not None and label not in self.labels:
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self.labels[label] = len(self.labels)
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self.model.initialize()
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@ -706,11 +690,11 @@ class MultitaskObjective(Tagger):
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cdef int idx = 0
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correct = numpy.zeros((scores.shape[0],), dtype="i")
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guesses = scores.argmax(axis=1)
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docs = [ex.doc for ex in examples]
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docs = [eg.predicted for eg in examples]
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for i, eg in enumerate(examples):
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# Handles alignment for tokenization differences
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doc_annots = eg.get_aligned()
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for j in range(len(eg.doc)):
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for j in range(len(eg.predicted)):
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tok_annots = {key: values[j] for key, values in tok_annots.items()}
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label = self.make_label(j, tok_annots)
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if label is None or label not in self.labels:
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@ -724,83 +708,49 @@ class MultitaskObjective(Tagger):
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return float(loss), d_scores
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@staticmethod
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def make_dep(i, token_annotation):
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if token_annotation.deps[i] is None or token_annotation.heads[i] is None:
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return None
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return token_annotation.deps[i]
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def make_dep(token):
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return token.dep_
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@staticmethod
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def make_tag(i, token_annotation):
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return token_annotation.tags[i]
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def make_tag(token):
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return token.tag_
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@staticmethod
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def make_ent(i, token_annotation):
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if token_annotation.entities is None:
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return None
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return token_annotation.entities[i]
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def make_ent(token):
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if token.ent_iob_ == "O":
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return "O"
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else:
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return token.ent_iob_ + "-" + token.ent_type_
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@staticmethod
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def make_dep_tag_offset(i, token_annotation):
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if token_annotation.deps[i] is None or token_annotation.heads[i] is None:
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return None
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offset = token_annotation.heads[i] - i
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def make_dep_tag_offset(token):
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dep = token.dep_
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tag = token.tag_
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offset = token.head.i - token.i
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offset = min(offset, 2)
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offset = max(offset, -2)
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return f"{token_annotation.deps[i]}-{token_annotation.tags[i]}:{offset}"
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return f"{dep}-{tag}:{offset}"
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@staticmethod
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def make_ent_tag(i, token_annotation):
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if token_annotation.entities is None or token_annotation.entities[i] is None:
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return None
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def make_ent_tag(token):
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if token.ent_iob_ == "O":
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ent = "O"
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else:
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return f"{token_annotation.tags[i]}-{token_annotation.entities[i]}"
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ent = token.ent_iob_ + "-" + token.ent_type_
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tag = token.tag_
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return f"{tag}-{ent}"
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@staticmethod
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def make_sent_start(target, token_annotation, cache=True, _cache={}):
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def make_sent_start(token):
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"""A multi-task objective for representing sentence boundaries,
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using BILU scheme. (O is impossible)
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The implementation of this method uses an internal cache that relies
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on the identity of the heads array, to avoid requiring a new piece
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of gold data. You can pass cache=False if you know the cache will
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do the wrong thing.
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"""
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words = token_annotation.words
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heads = token_annotation.heads
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assert len(words) == len(heads)
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assert target < len(words), (target, len(words))
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if cache:
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if id(heads) in _cache:
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return _cache[id(heads)][target]
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if token.is_sent_start and token.is_sent_end:
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return "U-SENT"
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elif token.is_sent_start:
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return "B-SENT"
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else:
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for key in list(_cache.keys()):
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_cache.pop(key)
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sent_tags = ["I-SENT"] * len(words)
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_cache[id(heads)] = sent_tags
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else:
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sent_tags = ["I-SENT"] * len(words)
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def _find_root(child):
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seen = set([child])
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while child is not None and heads[child] != child:
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seen.add(child)
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child = heads[child]
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return child
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sentences = {}
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for i in range(len(words)):
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root = _find_root(i)
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if root is None:
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sent_tags[i] = None
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else:
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sentences.setdefault(root, []).append(i)
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for root, span in sorted(sentences.items()):
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if len(span) == 1:
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sent_tags[span[0]] = "U-SENT"
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else:
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sent_tags[span[0]] = "B-SENT"
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sent_tags[span[-1]] = "L-SENT"
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return sent_tags[target]
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return "I-SENT"
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class ClozeMultitask(Pipe):
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@ -833,7 +783,7 @@ class ClozeMultitask(Pipe):
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# token.vector values, but that's a bit inefficient, especially on GPU.
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# Instead we fetch the index into the vectors table for each of our tokens,
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# and look them up all at once. This prevents data copying.
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ids = self.model.ops.flatten([ex.doc.to_array(ID).ravel() for ex in examples])
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ids = self.model.ops.flatten([eg.predicted.to_array(ID).ravel() for eg in examples])
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target = vectors[ids]
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gradient = self.distance.get_grad(prediction, target)
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loss = self.distance.get_loss(prediction, target)
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@ -843,11 +793,12 @@ class ClozeMultitask(Pipe):
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pass
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def rehearse(self, examples, drop=0., sgd=None, losses=None):
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examples = Example.to_example_objects(examples)
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if losses is not None and self.name not in losses:
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losses[self.name] = 0.
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docs = [eg.predicted for eg in examples]
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set_dropout_rate(self.model, drop)
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predictions, bp_predictions = self.model.begin_update([ex.doc for ex in examples])
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predictions, bp_predictions = self.model.begin_update(
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[eg.predicted for eg in examples])
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loss, d_predictions = self.get_loss(examples, self.vocab.vectors.data, predictions)
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bp_predictions(d_predictions)
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if sgd is not None:
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@ -883,16 +834,9 @@ class TextCategorizer(Pipe):
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self.cfg["labels"] = tuple(value)
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def pipe(self, stream, batch_size=128, n_threads=-1, as_example=False):
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for examples in util.minibatch(stream, size=batch_size):
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docs = [self._get_doc(ex) for ex in examples]
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for docs in util.minibatch(stream, size=batch_size):
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scores, tensors = self.predict(docs)
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self.set_annotations(docs, scores, tensors=tensors)
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if as_example:
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for ex, doc in zip(examples, docs):
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ex.doc = doc
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yield ex
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else:
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yield from docs
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def predict(self, docs):
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@ -914,12 +858,15 @@ class TextCategorizer(Pipe):
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doc.cats[label] = float(scores[i, j])
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def update(self, examples, state=None, drop=0., set_annotations=False, sgd=None, losses=None):
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examples = Example.to_example_objects(examples)
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if not any(len(ex.doc) if ex.doc else 0 for ex in examples):
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for eg in examples:
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assert isinstance(eg, Example)
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if not any(len(eg.predicted) if eg.predicted else 0 for eg in examples):
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# Handle cases where there are no tokens in any docs.
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return
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set_dropout_rate(self.model, drop)
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scores, bp_scores = self.model.begin_update([ex.doc for ex in examples])
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scores, bp_scores = self.model.begin_update(
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[eg.predicted for eg in examples]
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)
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loss, d_scores = self.get_loss(examples, scores)
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bp_scores(d_scores)
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if sgd is not None:
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@ -928,14 +875,15 @@ class TextCategorizer(Pipe):
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losses.setdefault(self.name, 0.0)
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losses[self.name] += loss
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if set_annotations:
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docs = [ex.doc for ex in examples]
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docs = [eg.predicted for eg in examples]
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self.set_annotations(docs, scores=scores)
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def rehearse(self, examples, drop=0., sgd=None, losses=None):
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if self._rehearsal_model is None:
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return
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examples = Example.to_example_objects(examples)
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docs=[ex.doc for ex in examples]
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for eg in examples:
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assert isinstance(eg, Example)
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docs = [eg.predicted for eg in examples]
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if not any(len(doc) for doc in docs):
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# Handle cases where there are no tokens in any docs.
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return
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@ -955,8 +903,8 @@ class TextCategorizer(Pipe):
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not_missing = numpy.ones((len(examples), len(self.labels)), dtype="f")
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for i, eg in enumerate(examples):
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for j, label in enumerate(self.labels):
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if label in eg.doc_annotation.cats:
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truths[i, j] = eg.doc_annotation.cats[label]
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if label in eg.predicted.cats:
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truths[i, j] = eg.reference.cats[label]
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else:
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not_missing[i, j] = 0.
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truths = self.model.ops.asarray(truths)
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@ -993,7 +941,7 @@ class TextCategorizer(Pipe):
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# TODO: begin_training is not guaranteed to see all data / labels ?
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examples = list(get_examples())
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for example in examples:
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for cat in example.doc_annotation.cats:
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for cat in example.y.cats:
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self.add_label(cat)
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self.require_labels()
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docs = [Doc(Vocab(), words=["hello"])]
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@ -1152,21 +1100,22 @@ class EntityLinker(Pipe):
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losses.setdefault(self.name, 0.0)
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if not examples:
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return 0
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examples = Example.to_example_objects(examples)
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for eg in examples:
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assert isinstance(eg, Example)
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sentence_docs = []
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docs = [ex.doc for ex in examples]
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docs = [eg.predicted for eg in examples]
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if set_annotations:
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# This seems simpler than other ways to get that exact output -- but
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# it does run the model twice :(
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predictions = self.model.predict(docs)
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for eg in examples:
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doc = eg.doc
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doc = eg.predicted
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ents_by_offset = dict()
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for ent in doc.ents:
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ents_by_offset[(ent.start_char, ent.end_char)] = ent
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for entity, kb_dict in eg.doc_annotation.links.items():
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links = self._get_links_from_doc(eg.reference)
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for entity, kb_dict in links.items():
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if isinstance(entity, str):
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entity = literal_eval(entity)
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start, end = entity
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@ -1204,7 +1153,8 @@ class EntityLinker(Pipe):
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def get_similarity_loss(self, examples, scores):
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entity_encodings = []
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for eg in examples:
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for entity, kb_dict in eg.doc_annotation.links.items():
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links = self._get_links_from_doc(eg.reference)
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for entity, kb_dict in links.items():
|
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for kb_id, value in kb_dict.items():
|
||||
# this loss function assumes we're only using positive examples
|
||||
if value:
|
||||
|
|
@ -1223,8 +1173,9 @@ class EntityLinker(Pipe):
|
|||
|
||||
def get_loss(self, examples, scores):
|
||||
cats = []
|
||||
for ex in examples:
|
||||
for entity, kb_dict in ex.doc_annotation.links.items():
|
||||
for eg in examples:
|
||||
links = self._get_links_from_doc(eg.reference)
|
||||
for entity, kb_dict in links.items():
|
||||
for kb_id, value in kb_dict.items():
|
||||
cats.append([value])
|
||||
|
||||
|
|
@ -1237,26 +1188,21 @@ class EntityLinker(Pipe):
|
|||
loss = loss / len(cats)
|
||||
return loss, d_scores
|
||||
|
||||
def __call__(self, example):
|
||||
doc = self._get_doc(example)
|
||||
def _get_links_from_doc(self, doc):
|
||||
return {}
|
||||
|
||||
def __call__(self, doc):
|
||||
kb_ids, tensors = self.predict([doc])
|
||||
self.set_annotations([doc], kb_ids, tensors=tensors)
|
||||
if isinstance(example, Example):
|
||||
example.doc = doc
|
||||
example.x = doc
|
||||
return example
|
||||
return doc
|
||||
|
||||
def pipe(self, stream, batch_size=128, n_threads=-1, as_example=False):
|
||||
for examples in util.minibatch(stream, size=batch_size):
|
||||
docs = [self._get_doc(ex) for ex in examples]
|
||||
for docs in util.minibatch(stream, size=batch_size):
|
||||
kb_ids, tensors = self.predict(docs)
|
||||
self.set_annotations(docs, kb_ids, tensors=tensors)
|
||||
|
||||
if as_example:
|
||||
for ex, doc in zip(examples, docs):
|
||||
ex.doc = doc
|
||||
yield ex
|
||||
else:
|
||||
yield from docs
|
||||
|
||||
def predict(self, docs):
|
||||
|
|
@ -1433,7 +1379,7 @@ class Sentencizer(Pipe):
|
|||
):
|
||||
pass
|
||||
|
||||
def __call__(self, example):
|
||||
def __call__(self, doc):
|
||||
"""Apply the sentencizer to a Doc and set Token.is_sent_start.
|
||||
|
||||
example (Doc or Example): The document to process.
|
||||
|
|
@ -1441,7 +1387,6 @@ class Sentencizer(Pipe):
|
|||
|
||||
DOCS: https://spacy.io/api/sentencizer#call
|
||||
"""
|
||||
doc = self._get_doc(example)
|
||||
start = 0
|
||||
seen_period = False
|
||||
for i, token in enumerate(doc):
|
||||
|
|
@ -1460,20 +1405,14 @@ class Sentencizer(Pipe):
|
|||
return example
|
||||
return doc
|
||||
|
||||
def pipe(self, stream, batch_size=128, n_threads=-1, as_example=False):
|
||||
for examples in util.minibatch(stream, size=batch_size):
|
||||
docs = [self._get_doc(ex) for ex in examples]
|
||||
def pipe(self, stream, batch_size=128, n_threads=-1):
|
||||
for docs in util.minibatch(stream, size=batch_size):
|
||||
predictions = self.predict(docs)
|
||||
if isinstance(predictions, tuple) and len(tuple) == 2:
|
||||
scores, tensors = predictions
|
||||
self.set_annotations(docs, scores, tensors=tensors)
|
||||
else:
|
||||
self.set_annotations(docs, predictions)
|
||||
if as_example:
|
||||
for ex, doc in zip(examples, docs):
|
||||
ex.doc = doc
|
||||
yield ex
|
||||
else:
|
||||
yield from docs
|
||||
|
||||
def predict(self, docs):
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user