Add json2docs converter

spacy/gold/converters/json2docs.py

@@ -0,0 +1,38 @@
+import tempfile
+import contextlib
+import shutil
+from pathlib import Path
+from ..gold_io import read_json_file
+from ..example import annotations2doc
+from ..example import _fix_legacy_dict_data, _parse_example_dict_data
+from ...util import load_model
+from ...lang.xx import MultiLanguage
+
+@contextlib.contextmanager
+def make_tempdir():
+    d = Path(tempfile.mkdtemp())
+    yield d
+    shutil.rmtree(str(d))
+
+
+def json2docs(
+    input_data,
+    model=None,
+    **kwargs
+):
+    nlp = load_model(model) if model is not None else MultiLanguage()
+    docs = []
+    with make_tempdir() as tmp_dir:
+        json_path = Path(tmp_dir) / "data.json"
+        with (json_path).open("w") as file_:
+            file_.write(input_data)
+        for json_annot in read_json_file(json_path):
+            example_dict = _fix_legacy_dict_data(json_annot)
+            tok_dict, doc_dict = _parse_example_dict_data(example_dict)
+            doc = annotations2doc(
+                nlp.vocab,
+                tok_dict,
+                doc_dict
+            )
+            docs.append(doc)
+    return docs