test for Python traceback in C++ exception what()

wlav · Jan 5, 2023 · a25ca91 · a25ca91
1 parent 23e5d75
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diff --git a/doc/source/changelog.rst b/doc/source/changelog.rst
@@ -26,6 +26,7 @@ master: 2.4.2
 * Walk the full inheritance tree to find the overloads
 * Allow __destruct__ override in Python derived class
 * Allow NULL function pointers to be returned as std::function objects
+* Add Python traceback to C++ exception what()
 
 
 2022-10-03: 2.4.1

diff --git a/test/test_crossinheritance.py b/test/test_crossinheritance.py
@@ -250,6 +250,23 @@ def sum_value(self, val):
         except ValueError as e:
             assert errmsg in str(e)
 
+        cppyy.cppdef("""\
+        namespace CrossInheritance {
+        std::string call_base1(Base1* b) {
+            try {
+                b->sum_value(-7);
+            } catch (CPyCppyy::PyException& e) {
+                e.clear();
+                return e.what();
+            }
+            return "";
+        } }""")
+
+        res = cppyy.gbl.CrossInheritance.call_base1(d)
+
+        assert 'ValueError' in res
+        assert os.path.basename(__file__) in res
+
     def test09_interface_checking(self):
         """Conversion errors should be Python exceptions"""