From 3a0bbcfb4ca31c89a8235e91d454ae5ceb6da424 Mon Sep 17 00:00:00 2001
From: Matthew Honnibal <honnibal+gh@gmail.com>
Date: Sat, 13 Jun 2020 23:10:54 +0200
Subject: [PATCH] Add biluo_tags_from_doc function

---
 spacy/gold/iob_utils.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/spacy/gold/iob_utils.py b/spacy/gold/iob_utils.py
index 2f0f116a1..6d16cf1a5 100644
--- a/spacy/gold/iob_utils.py
+++ b/spacy/gold/iob_utils.py
@@ -47,6 +47,14 @@ def _consume_ent(tags):
         return [start] + middle + [end]
 
 
+def biluo_tags_from_doc(doc, missing="O"):
+    return biluo_tags_from_offsets(
+        doc,
+        [(ent.start_char, ent.end_char, ent.label_) for ent in doc.ents],
+        missing=missing
+    )
+
+
 def biluo_tags_from_offsets(doc, entities, missing="O"):
     """Encode labelled spans into per-token tags, using the
     Begin/In/Last/Unit/Out scheme (BILUO).