commit b3a77964ea89a488fc0e920e3db6d8477279f19b
author Serhiy Storchaka <storchaka@gmail.com> Thu Sep 21 14:24:13 2017 +0300
committer GitHub <noreply@github.com> Thu Sep 21 14:24:13 2017 +0300
tree 880d5770553aac324a7b29efdb233eca0cfbd38a
parent 9adda0cdf89432386b7a04444a6199b580d287a1

bpo-27541: Reprs of subclasses of some classes now contain actual type name. (#3631)

Affected classes are bytearray, array, deque, defaultdict, count and repeat.

Modules/_collectionsmodule.c

diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c
index 8766d86..e78399d 100644
--- a/Modules/_collectionsmodule.c
+++ b/Modules/_collectionsmodule.c
@@ -1384,10 +1384,12 @@
         return NULL;
     }
     if (((dequeobject *)deque)->maxlen >= 0)
-        result = PyUnicode_FromFormat("deque(%R, maxlen=%zd)",
-                                      aslist, ((dequeobject *)deque)->maxlen);
+        result = PyUnicode_FromFormat("%s(%R, maxlen=%zd)",
+                                      _PyType_Name(Py_TYPE(deque)), aslist,
+                                      ((dequeobject *)deque)->maxlen);
     else
-        result = PyUnicode_FromFormat("deque(%R)", aslist);
+        result = PyUnicode_FromFormat("%s(%R)",
+                                      _PyType_Name(Py_TYPE(deque)), aslist);
     Py_ReprLeave(deque);
     Py_DECREF(aslist);
     return result;
@@ -2127,7 +2129,8 @@
         Py_DECREF(baserepr);
         return NULL;
     }
-    result = PyUnicode_FromFormat("defaultdict(%U, %U)",
+    result = PyUnicode_FromFormat("%s(%U, %U)",
+                                  _PyType_Name(Py_TYPE(dd)),
                                   defrepr, baserepr);
     Py_DECREF(defrepr);
     Py_DECREF(baserepr);