Fix export for non-string array values (#360)

.secrets.baseline

@@ -3,7 +3,7 @@
     "files": null,
     "lines": null
   },
-  "generated_at": "2021-08-19T20:25:38Z",
+  "generated_at": "2021-11-01T21:39:46Z",
   "plugins_used": [
     {
       "name": "AWSKeyDetector"
@@ -166,7 +166,7 @@
       {
         "hashed_secret": "78b4db9b2aec0f0f2d3e38f9278be42b861c9dc3",
         "is_verified": false,
-        "line_number": 1424,
+        "line_number": 1473,
         "type": "Hex High Entropy String"
       }
     ],

sheepdog/utils/transforms/graph_to_doc.py

@@ -157,7 +157,7 @@ def list_to_comma_string(val, file_format):
     Handle array fields by converting them to a comma-separated string.
 
     Example:
-        ['1','2','3'] -> 1,2,3
+        ['1','2','3'] -> '1,2,3'
     """
 
     if val is None:
@@ -167,7 +167,7 @@ def list_to_comma_string(val, file_format):
         return ""
 
     if isinstance(val, list):
-        val = ",".join(val)
+        val = ",".join((str(x) for x in val))
     return val
 
 

tests/integration/datadict/submission/test_endpoints.py

@@ -21,6 +21,7 @@
 from sheepdog.transactions.upload import UploadTransaction
 from sheepdog.utils import get_external_proxies
 from sheepdog.utils.transforms import TSVToJSONConverter
+from sheepdog.utils.transforms.graph_to_doc import list_to_comma_string
 from tests.integration.datadict.submission.utils import (
     data_fnames,
     extended_data_fnames,
@@ -819,6 +820,10 @@ def test_export_all_node_types(
     do_test_export(client, pg_driver, submitter, "experimental_metadata", "tsv")
 
 
+def test_export_non_string_array_values():
+    assert list_to_comma_string(["string", 1, 0.5, True], "tsv") == "string,1,0.5,True"
+
+
 def test_export_all_node_types_and_resubmit_json(
     client, pg_driver, cgci_blgsp, submitter, require_index_exists_off
 ):