bpo-37022: Fix bug where pdb's do_p/do_pp commands swallow exceptions from repr (GH-18180) (GH-26650)
(cherry picked from commit 6544b2532df82d137b71323445a07a6e29bcdec0)
Co-authored-by: Daniel Hahler <git@thequod.de>
diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py
index cd096e7..f944acd 100644
--- a/Lib/test/test_pdb.py
+++ b/Lib/test/test_pdb.py
@@ -391,6 +391,34 @@ def test_pdb_breakpoints_preserved_across_interactive_sessions():
(Pdb) continue
"""
+def test_pdb_pp_repr_exc():
+ """Test that do_p/do_pp do not swallow exceptions.
+
+ >>> class BadRepr:
+ ... def __repr__(self):
+ ... raise Exception('repr_exc')
+ >>> obj = BadRepr()
+
+ >>> def test_function():
+ ... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
+
+ >>> with PdbTestInput([ # doctest: +NORMALIZE_WHITESPACE
+ ... 'p obj',
+ ... 'pp obj',
+ ... 'continue',
+ ... ]):
+ ... test_function()
+ --Return--
+ > <doctest test.test_pdb.test_pdb_pp_repr_exc[2]>(2)test_function()->None
+ -> import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
+ (Pdb) p obj
+ *** Exception: repr_exc
+ (Pdb) pp obj
+ *** Exception: repr_exc
+ (Pdb) continue
+ """
+
+
def do_nothing():
pass