spaCy/spacy/cli/converters/conll_ner2json.py

39 lines
1.2 KiB
Python

# coding: utf8
from __future__ import unicode_literals
from ...gold import iob_to_biluo
def conll_ner2json(input_data, **kwargs):
"""
Convert files in the CoNLL-2003 NER format into JSON format for use with
train cli.
"""
delimit_docs = "-DOCSTART- -X- O O"
output_docs = []
for doc in input_data.strip().split(delimit_docs):
doc = doc.strip()
if not doc:
continue
output_doc = []
for sent in doc.split("\n\n"):
sent = sent.strip()
if not sent:
continue
lines = [line.strip() for line in sent.split("\n") if line.strip()]
words, tags, chunks, iob_ents = zip(*[line.split() for line in lines])
biluo_ents = iob_to_biluo(iob_ents)
output_doc.append(
{
"tokens": [
{"orth": w, "tag": tag, "ner": ent}
for (w, tag, ent) in zip(words, tags, biluo_ents)
]
}
)
output_docs.append(
{"id": len(output_docs), "paragraphs": [{"sentences": output_doc}]}
)
output_doc = []
return output_docs