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-rw-r--r--gn3/db/rdf.py28
1 files changed, 28 insertions, 0 deletions
diff --git a/gn3/db/rdf.py b/gn3/db/rdf.py
index f46e33c..deecefa 100644
--- a/gn3/db/rdf.py
+++ b/gn3/db/rdf.py
@@ -90,3 +90,31 @@ WHERE {
)[0].items():
result[key] = value.bind(lambda x: Just(x["value"]))
return result
+
+
+def get_trait_metadata(
+ sparql_conn: SPARQLWrapper,
+ trait_name: str,
+ dataset_name: str
+):
+ """Return metadata about a given trait"""
+ __metadata_query = """
+PREFIX gn: <http://genenetwork.org/>
+
+SELECT strafter((str(?key)), "http://genenetwork.org/sampledata:") as ?key
+ ?value WHERE {
+ gn:sampledata_$trait_name gn:sampledata:dataset "$dataset_name" .
+ gn:sampledata_$trait_name ?key ?value .
+}
+"""
+ result: MonadicDict = MonadicDict()
+ for _r in sparql_query(
+ sparql_conn,
+ Template(__metadata_query)
+ .substitute(trait_name=trait_name,
+ dataset_name=dataset_name)
+ ):
+ _key = _r["key"].bind(lambda x: x["value"]) # type:ignore
+ if _key:
+ result[_key] = _r["value"].bind(lambda x: Just(x["value"])) # type:ignore
+ return result