Solving #83 and inverse non-constant predicates

src/yatter/__main__.py

@@ -5,8 +5,8 @@
 from . import translate, inverse_translation, merge_mappings
 from .constants import *
 
-def write_results(mapping):
 
+def write_results(mapping):
     if type(mapping) is str:
         output_file = open(args.output_mapping_path, "w")
         output_file.write(mapping)
@@ -18,14 +18,16 @@ def write_results(mapping):
             yaml.default_flow_style = False
             yaml.dump(mapping, f)
 
+
 def parse_inputs():
     input_format = RML_URI
     yaml = YAML(typ='safe', pure=True)
     if args.input_mapping_path and args.output_mapping_path:
         if args.input_mapping_path.endswith('.yml') or args.input_mapping_path.endswith('.yaml'):
             with open(args.input_mapping_path) as f:
                 input_data = yaml.load(f)
-        elif args.input_mapping_path.endswith('.ttl') or args.input_mapping_path.endswith('.rml') or args.input_mapping_path.endswith('.r2rml'):
+        elif args.input_mapping_path.endswith('.ttl') or args.input_mapping_path.endswith(
+                '.rml') or args.input_mapping_path.endswith('.r2rml'):
             input_data = Graph()
             input_data.parse(args.input_mapping_path, format="turtle")
         else:

src/yatter/predicateobject.py

@@ -372,15 +372,13 @@ def add_inverse_pom(mapping_id, rdf_mapping, classes, prefixes):
             logger.error("ERROR: There is POM without predicate map defined")
             raise Exception("Review your mapping " + str(mapping_id))
 
-        prefix = list({i for i in prefixes if predicate.startswith(prefixes[i])})
-        if not predicate.startswith("http") and "{" not in predicate:
+        if not predicate.startswith("http"):
             predicate = '$(' + predicate + ')'
-        elif "{" in predicate and "}" in predicate:
+        elif predicate.startswith("http") and "{" not in predicate:
+            predicate = find_prefixes(predicate, prefixes)
+        else:
             predicate = predicate.replace('{', '$(').replace('}', ')')
-        elif prefix:
-            predicate = tm['predicateValue'].toPython().replace(prefixes[prefix[0]], prefix[0] + ":")
 
-        predicate = find_prefixes(predicate,prefixes)
 
         if tm['parentTriplesMap']:
             if tm['child']:

src/yatter/subject.py

@@ -54,7 +54,7 @@ def add_subject(data, mapping, mapping_format):
             if YARRRML_TARGETS in individual_subject:
                 subject_termmap = subject_termmap[0:-3]+"\t"+RML_LOGICAL_TARGET+" <"+individual_subject[YARRRML_TARGETS]+">\n\t];\n"
 
-            if YARRRML_TYPE in individual_subject:
+            if isinstance(individual_subject, dict) and YARRRML_TYPE in individual_subject:
                 if individual_subject.get(YARRRML_TYPE) == YARRRML_BLANK:
                     subject_termmap = subject_termmap[0:-3] + "\t" + R2RML_TERMTYPE + " " + R2RML_BLANK_NODE +"\n\t];\n"
 

test/r2rml/INVERSETC-0005/mapping.yml

@@ -46,5 +46,5 @@ mappings:
     s: http://example.com/Patient/$(ID)
     po:
     - [rdf:type, foaf:Person]
-    - [ex:$(last_name), $(LastName), xsd:string]
+    - [http://example.com/$(last_name), $(LastName), xsd:string]
     - [ex:height, http://example.com/$(Height)]