enable rdfa schema format (#22)

enable rdfa schema format

Author: mr-c

schema_salad/ref_resolver.py

@@ -146,10 +146,13 @@ def add_namespaces(self, ns):
 
     def add_schemas(self, ns, base_url):
         for sch in aslist(ns):
-            try:
-                self.graph.parse(urlparse.urljoin(base_url, sch), format="xml")
-            except xml.sax.SAXParseException:
-                self.graph.parse(urlparse.urljoin(base_url, sch), format="turtle")
+            for fmt in ['xml', 'turtle', 'rdfa']:
+                try:
+                    self.graph.parse(urlparse.urljoin(base_url, sch),
+                                     format=fmt)
+                    break
+                except xml.sax.SAXParseException:
+                    pass
 
         for s, _, _ in self.graph.triples( (None, RDF.type, RDF.Property) ):
             self._add_properties(s)

setup.py

@@ -38,7 +38,7 @@
 # extras_require={                # TODO: uncomment me, same conditions as above
 #        ':python_version<"3"': ['avro'],
 #        ':python_version>="3"': ['avro-python3']}
-extras_requires = {}               # TODO: to be removed when the above is added
+extras_require = {}               # TODO: to be removed when the above is added
 
 setup(name='schema-salad',
       version='1.9',
@@ -52,7 +52,7 @@
       packages=["schema_salad"],
       package_data={'schema_salad': ['metaschema/*']},
       install_requires=install_requires,
-      extras_requires=extras_requires,
+      extras_require=extras_require,
       test_suite='tests',
       tests_require=[],
       entry_points={

tests/test_examples.py

@@ -100,9 +100,8 @@ def test_idmap(self):
         self.assertEqual(ra,
                          {
                              "id": "http://example2.com/#stuff",
-                             'inputs': [{'a': 1, 'id': 'http://example2.com/#stuff/zip'},
-                                        {'a': 2, 'id': 'http://example2.com/#stuff/zing'},
-                                        ],
+                             'inputs': [{'a': 2, 'id': 'http://example2.com/#stuff/zing'},
+                                        {'a': 1, 'id': 'http://example2.com/#stuff/zip'}],
                              'outputs': ['http://example2.com/#stuff/out'],
                              'other': {
                                  'n': 9