issue 6275
Add an "exc_value" attribute to the _AssertRaisesContext context manager in the unittest package. This allows further tests on the exception that was raised after the context manager exits.
diff --git a/Lib/unittest/case.py b/Lib/unittest/case.py
index 6ffdacb..d52bc8d 100644
--- a/Lib/unittest/case.py
+++ b/Lib/unittest/case.py
@@ -104,6 +104,7 @@
if not issubclass(exc_type, self.expected):
# let unexpected exceptions pass through
return False
+ self.exc_value = exc_value #store for later retrieval
if self.expected_regex is None:
return True