From c4852afdec87712e09b9cdba5b5db7e1ad1a0701 Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@archive.org>
Date: Thu, 14 May 2020 23:10:41 -0700
Subject: start implementing ES transform helpers

---
 fatcat_scholar/api_entities.py | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 fatcat_scholar/api_entities.py

(limited to 'fatcat_scholar/api_entities.py')

diff --git a/fatcat_scholar/api_entities.py b/fatcat_scholar/api_entities.py
new file mode 100644
index 0000000..53455e8
--- /dev/null
+++ b/fatcat_scholar/api_entities.py
@@ -0,0 +1,34 @@
+
+import json
+import collections
+from fatcat_openapi_client import ApiClient
+
+def entity_to_dict(entity, api_client=None):
+    """
+    Hack to take advantage of the code-generated serialization code.
+
+    Initializing/destroying ApiClient objects is surprisingly expensive
+    (because it involves a threadpool), so we allow passing an existing
+    instance. If you already have a full-on API connection `api`, you can
+    access the ApiClient object as `api.api_client`. This is such a speed-up
+    that this argument may become mandatory.
+    """
+    if not api_client:
+        api_client = ApiClient()
+    return api_client.sanitize_for_serialization(entity)
+
+def entity_from_json(json_str, entity_type, api_client=None):
+    """
+    Hack to take advantage of the code-generated deserialization code
+
+    See note on `entity_to_dict()` about api_client argument.
+    """
+    if not api_client:
+        api_client = ApiClient()
+    thing = collections.namedtuple('Thing', ['data'])
+    thing.data = json_str
+    return api_client.deserialize(thing, entity_type)
+
+def entity_from_dict(obj, entity_type, api_client=None):
+    json_str = json.dumps(obj)
+    return entity_from_json(json_str, entity_type, api_client=api_client)
-- 
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