better RDF schema error handling (common-workflow-language#26)

schema_salad/ref_resolver.py

@@ -17,6 +17,7 @@
 from .aslist import aslist
 import rdflib
 from rdflib.namespace import RDF, RDFS, OWL
+from rdflib.plugins.parsers.notation3 import BadSyntax
 import xml.sax
 from typing import cast, Union, Tuple, Dict, Any, Callable, Iterable
 
@@ -160,6 +161,10 @@ def add_schemas(self, ns, base_url):
                     break
                 except xml.sax.SAXParseException:  # type: ignore
                     pass
+                except TypeError:
+                    pass
+                except BadSyntax:
+                    pass
 
         for s, _, _ in self.graph.triples((None, RDF.type, RDF.Property)):
             self._add_properties(s)

typeshed/2.7/rdflib/plugins/__init__.pyi

@@ -0,0 +1,4 @@
+# Stubs for rdflib.plugins (Python 3.5)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+

typeshed/2.7/rdflib/plugins/parsers/__init__.pyi

@@ -0,0 +1,4 @@
+# Stubs for rdflib.plugins.parsers (Python 3.5)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+

typeshed/2.7/rdflib/plugins/parsers/notation3.pyi

@@ -0,0 +1,12 @@
+# Stubs for rdflib.plugins.parsers.notation3 (Python 3.5)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any
+from rdflib.parser import Parser
+
+class BadSyntax(SyntaxError):
+    lines = ...  # type: Any
+    def __init__(self, uri, lines, argstr, i, why): ...
+    @property
+    def message(self): ...