mirror of
https://github.com/explosion/spaCy.git
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94 lines
2.8 KiB
Python
94 lines
2.8 KiB
Python
# coding: utf8
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from __future__ import unicode_literals, division, print_function
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import plac
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import json
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from collections import defaultdict
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import cytoolz
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from pathlib import Path
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import dill
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import tqdm
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from thinc.neural._classes.model import Model
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from thinc.neural.optimizers import linear_decay
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from timeit import default_timer as timer
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import random
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import numpy.random
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from ..tokens.doc import Doc
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from ..scorer import Scorer
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from ..gold import GoldParse, merge_sents
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from ..gold import GoldCorpus, minibatch
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from ..util import prints
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from .. import util
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from .. import about
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from .. import displacy
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from ..compat import json_dumps
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random.seed(0)
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numpy.random.seed(0)
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@plac.annotations(
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model=("Model name or path", "positional", None, str),
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data_path=("Location of JSON-formatted evaluation data", "positional", None, str),
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gold_preproc=("Use gold preprocessing", "flag", "G", bool),
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)
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def evaluate(cmd, model, data_path, gold_preproc=False):
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"""
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Train a model. Expects data in spaCy's JSON format.
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"""
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util.set_env_log(True)
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data_path = util.ensure_path(data_path)
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if not data_path.exists():
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prints(data_path, title="Evaluation data not found", exits=1)
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corpus = GoldCorpus(data_path, data_path)
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nlp = util.load_model(model)
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scorer = nlp.evaluate(list(corpus.dev_docs(nlp, gold_preproc=gold_preproc)))
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print_results(scorer)
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def _render_parses(i, to_render):
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to_render[0].user_data['title'] = "Batch %d" % i
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with Path('/tmp/entities.html').open('w') as file_:
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html = displacy.render(to_render[:5], style='ent', page=True)
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file_.write(html)
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with Path('/tmp/parses.html').open('w') as file_:
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html = displacy.render(to_render[:5], style='dep', page=True)
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file_.write(html)
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def print_progress(itn, losses, dev_scores, wps=0.0):
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scores = {}
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for col in ['dep_loss', 'tag_loss', 'uas', 'tags_acc', 'token_acc',
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'ents_p', 'ents_r', 'ents_f', 'wps']:
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scores[col] = 0.0
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scores['dep_loss'] = losses.get('parser', 0.0)
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scores['ner_loss'] = losses.get('ner', 0.0)
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scores['tag_loss'] = losses.get('tagger', 0.0)
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scores.update(dev_scores)
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scores['wps'] = wps
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tpl = '\t'.join((
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'{:d}',
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'{dep_loss:.3f}',
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'{ner_loss:.3f}',
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'{uas:.3f}',
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'{ents_p:.3f}',
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'{ents_r:.3f}',
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'{ents_f:.3f}',
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'{tags_acc:.3f}',
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'{token_acc:.3f}',
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'{wps:.1f}'))
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print(tpl.format(itn, **scores))
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def print_results(scorer):
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results = {
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'TOK': '%.2f' % scorer.token_acc,
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'POS': '%.2f' % scorer.tags_acc,
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'UAS': '%.2f' % scorer.uas,
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'LAS': '%.2f' % scorer.las,
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'NER P': '%.2f' % scorer.ents_p,
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'NER R': '%.2f' % scorer.ents_r,
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'NER F': '%.2f' % scorer.ents_f}
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util.print_table(results, title="Results")
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