Encode the data to JSON and set the status code

Issue:
https://github.com/genenetwork/gn-gemtext-threads/blob/main/topics/gn1-migration-to-gn2/partial-correlations.gmi

* Encode bytes objects to string
* Encode NaN values to "null"
* gn3/api/correlation.py:

1 files changed, 6 insertions, 4 deletions

diff --git a/gn3/api/correlation.py b/gn3/api/correlation.py
index f84228a..c0b5806 100644
--- a/gn3/api/correlation.py
+++ b/gn3/api/correlation.py
@@ -1,9 +1,9 @@
 """Endpoints for running correlations"""
 import json
-
 from flask import jsonify
 from flask import Blueprint
 from flask import request
+from flask import make_response
 
 from gn3.computations.correlations import compute_all_sample_correlation
 from gn3.computations.correlations import compute_all_lit_correlation
@@ -109,6 +109,8 @@ def partial_correlation():
         conn, trait_fullname(args["primary_trait"]),
         tuple(trait_fullname(trait) for trait in args["control_traits"]),
         args["method"], int(args["criteria"]), args["target_db"])
-    return make_response(
-        jsonify(corr_results),
-        400)
+    response = make_response(
+        json.dumps(corr_results, cls=OutputEncoder),
+        400 if "error" in corr_results.keys() else 200)
+    response.headers["Content-Type"] = "application/json"
+    return response