[svn r63148] add a __repr__ for xspecs

--HG--
branch : trunk

py/execnet/testing/test_xspec.py

@@ -34,6 +34,10 @@ class TestXSpec:
         for x in ("popen", "popen//python=this"):
             assert XSpec(x)._spec == x
 
+    def test_repr(self):
+        for x in ("popen", "popen//python=this"):
+            assert repr(XSpec(x)).find("popen") != -1
+
     def test_hash_equality(self):
         assert XSpec("popen") == XSpec("popen")
         assert hash(XSpec("popen")) == hash(XSpec("popen"))

py/execnet/xspec.py

@@ -22,9 +22,12 @@ class XSpec:
                 key, value = keyvalue[:i], keyvalue[i+1:]
             # XXX be restrictive for now
             if key not in XSpec.__dict__:
-                raise AttributeError("%r not a valid attribute" % key)
+                raise AttributeError("%r not a valid XSpec key" % key)
             setattr(self, key, value)
 
+    def __repr__(self):
+        return "<XSpec %r>" %(self._spec,)
+
     def __hash__(self):
         return hash(self._spec)
     def __eq__(self, other):