Exit status for an interrupted test should not be 0

Also display traceback of interrupt.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35435 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/tests/backportUnittest.py

@@ -91,6 +91,12 @@ def expectedFailure(func):
     wrapper.__doc__ = func.__doc__
     return wrapper
 
+try:
+    BaseException
+except NameError:
+    # BACK: python < 2.5
+    BaseException = Exception
+
 class TestCase(unittest.TestCase):
     """We redefine here the run() method, and add a skipTest() method.
 
@@ -136,10 +142,10 @@ class TestCase(unittest.TestCase):
                 result.addSkip(self, str(e))
             except SetupSiteError, e:
                 result.errors.append(None)
-            except (KeyboardInterrupt, SystemExit): # BACK: Not needed for
-                raise                               #       Python >= 2.5
-            except Exception:
+            except BaseException, e:
                 result.addError(self, sys.exc_info())
+                if isinstance(e, (KeyboardInterrupt, SystemExit)):
+                    raise
             else:
                 try:
                     testMethod()
@@ -151,19 +157,19 @@ class TestCase(unittest.TestCase):
                     result.addUnexpectedSuccess(self)
                 except SkipTest, e:
                     result.addSkip(self, str(e))
-                except (KeyboardInterrupt, SystemExit): # BACK: Not needed for
-                    raise                               #       Python >= 2.5
-                except Exception:
+                except BaseException, e:
                     result.addError(self, sys.exc_info())
+                    if isinstance(e, (KeyboardInterrupt, SystemExit)):
+                        raise
                 else:
                     success = True
 
                 try:
                     self.tearDown()
-                except (KeyboardInterrupt, SystemExit): # BACK: Not needed for
-                    raise                               #       Python >= 2.5
-                except Exception:
+                except BaseException, e:
                     result.addError(self, sys.exc_info())
+                    if isinstance(e, (KeyboardInterrupt, SystemExit)):
+                        raise
                     success = False
 
             # BACK: Not needed for Python < 2.7