Merge pull request #1044 from aayush17002/patch-1

Updating namespace.py to solve issue #801

rdflib/namespace.py

@@ -804,7 +804,7 @@ def absolutize(self, uri, defrag=1):
 NAME_START_CATEGORIES = ["Ll", "Lu", "Lo", "Lt", "Nl"]
 SPLIT_START_CATEGORIES = NAME_START_CATEGORIES + ["Nd"]
 NAME_CATEGORIES = NAME_START_CATEGORIES + ["Mc", "Me", "Mn", "Lm", "Nd"]
-ALLOWED_NAME_CHARS = [u"\u00B7", u"\u0387", u"-", u".", u"_", u":"]
+ALLOWED_NAME_CHARS = [u"\u00B7", u"\u0387", u"-", u".", u"_", u":", u"%"]
 
 
 # http://www.w3.org/TR/REC-xml-names/#NT-NCName

test/test_issue801.py

@@ -0,0 +1,19 @@
+"""
+Issue 801 - Problem with prefixes created for URIs containing %20
+"""
+from rdflib import Namespace, Graph, BNode, Literal
+import unittest
+
+class TestIssue801(unittest.TestCase):
+
+    def test_issue_801(self):
+        g = Graph()
+        example = Namespace('http://example.org/')
+        g.bind('', example)
+        node = BNode()
+        g.add((node, example['first%20name'], Literal('John')))
+        self.assertEqual(g.serialize(format="turtle").decode().split("\n")[-3],
+                '[] :first%20name "John" .')
+
+if __name__ == "__main__":
+    unittest.main()