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-rw-r--r--python/fatcat_tools/transforms/entities.py31
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diff --git a/python/fatcat_tools/transforms/entities.py b/python/fatcat_tools/transforms/entities.py
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+
+
+import collections
+from fatcat_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 not 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)
+