bpo-33065: Fix problem debugging user classes with __repr__ method (GH-24183)
If __repr__ uses instance attributes, as normal, and one steps
through the __init__ method, debugger may try to get repr before
the instance attributes exist. reprlib.repr handles the error.
diff --git a/Lib/idlelib/debugger_r.py b/Lib/idlelib/debugger_r.py
index 9dcfc56..2620443 100644
--- a/Lib/idlelib/debugger_r.py
+++ b/Lib/idlelib/debugger_r.py
@@ -19,7 +19,7 @@
barrier, in particular frame and traceback objects.
"""
-
+import reprlib
import types
from idlelib import debugger
@@ -170,7 +170,7 @@ def dict_keys_list(self, did):
def dict_item(self, did, key):
dict = dicttable[did]
value = dict[key]
- value = repr(value) ### can't pickle module 'builtins'
+ value = reprlib.repr(value) ### can't pickle module 'builtins'
return value
#----------end class IdbAdapter----------
@@ -390,4 +390,4 @@ def restart_subprocess_debugger(rpcclt):
if __name__ == "__main__":
from unittest import main
- main('idlelib.idle_test.test_debugger', verbosity=2, exit=False)
+ main('idlelib.idle_test.test_debugger_r', verbosity=2, exit=False)