Add incomplete iob converter

This commit is contained in:
Matthew Honnibal 2017-05-19 13:27:51 -05:00
parent c12ab47a56
commit 08766240c3

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@ -0,0 +1,39 @@
# coding: utf8
from __future__ import unicode_literals
from ...compat import json_dumps, path2str
from ...util import prints
def iob2json(input_path, output_path, n_sents=10, *a, **k):
"""
Convert IOB files into JSON format for use with train cli.
"""
# TODO: This isn't complete yet -- need to map from IOB to
# BILUO
with input_path.open() as file_:
docs = read_iob(file_)
output_filename = input_path.parts[-1].replace(".iob", ".json")
output_file = output_path / output_filename
with output_file.open('w', encoding='utf-8') as f:
f.write(json_dumps(docs))
prints("Created %d documents" % len(docs),
title="Generated output file %s" % path2str(output_file))
def read_iob(file_):
sentences = []
for line in file_:
if not line.strip():
continue
tokens = [t.rsplit('|', 2) for t in line.split()]
words, pos, iob = zip(*tokens)
sentences.append([
{'orth': w, 'tag': p, 'ner': ent}
for (w, p, ent) in zip(words, pos, iob)
])
sentences = [{'tokens': sent} for sent in sentences]
paragraphs = [{'sentences': [sent]} for sent in sentences]
docs = [{'id': 0, 'paragraphs': [para]} for para in paragraphs]
return docs