STINNER Victor <victor.stin...@haypocalc.com> added the comment: Case "S" (type str): "%s" uses _PyObject_Str() which checks the object type with PyString_CheckExact().
Case "U" (type unicode) "%s" uses PyUnicode_Check() and then calls PyUnicode_Format(). PyUnicode_Format() uses PyUnicode_Check() to check the object object. It should uses PyUnicode_CheckExact() instead. xxx_CheckExact() is different than xxx_Check(): exact is only true for the base type, whereas the the second is also true for subclass. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue1583863> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
