A12 implementation

metrics/A12_Impl.py

@@ -0,0 +1,77 @@
+from metrics.AbstractFAIRMetrics import AbstractFAIRMetrics
+import validators
+from metrics.recommendation import json_rec
+
+
+class A12_Impl(AbstractFAIRMetrics):
+    """
+    GOAL : retrieve embedded semantic annotations
+    """
+
+    def __init__(self, web_resource=None):
+        super().__init__(web_resource)
+        self.name = "Authorisation procedure or access rights"
+        self.id = "16"
+        self.principle = "https://w3id.org/fair/principles/terms/A1.2"
+        self.principle_tag = "A1.2"
+        self.implem = "FAIR-Checker"
+        self.desc = """
+            The protocol allows for an authentication and authorisation procedure where necessary. <br>
+            FAIR-Checker verifies if access rights are specified in metadata through terms 
+            odrl:hasPolicy, dct:rights, dct:accessRights, or dct:license. 
+        """
+
+    def weak_evaluate(self):
+        eval = self.get_evaluation()
+        eval.set_implem(self.implem)
+        eval.set_metrics(self.principle_tag)
+        return eval
+
+    def strong_evaluate(self):
+        eval = self.get_evaluation()
+        eval.set_implem(self.implem)
+        eval.set_metrics(self.principle_tag)
+
+        checked_properties = """
+            odrl:hasPolicy
+            dct:rights
+            dct:accessRights
+            dct:license
+            schema:license
+        """
+        query_prov = (
+            self.COMMON_SPARQL_PREFIX
+            + """ 
+ASK { 
+    VALUES ?p { """
+            + checked_properties
+            + """ } . 
+    ?s ?p ?o .
+}
+            """
+        )
+
+        eval.log_info(
+            "Checking that at least one of the access policy properties is found in metadata:\n"
+            + checked_properties
+        )
+        res = self.get_web_resource().get_rdf().query(query_prov)
+        for bool_res in res:
+            if bool_res:
+                eval.log_info(
+                    "At least one of the access policy properties was found in metadata !"
+                )
+                eval.set_score(2)
+                return eval
+            else:
+                eval.log_info(
+                    "None of the access policy properties were found in metadata !"
+                )
+                eval.set_recommendations(
+                    json_rec["A12"]["reco1"]
+                    + checked_properties
+                    + """
+                """
+                )
+                eval.set_score(0)
+                return eval