diff -r 77604a2f019b Lib/tkinter/__init__.py --- a/Lib/tkinter/__init__.py Sat Jun 11 04:36:34 2016 -0400 +++ b/Lib/tkinter/__init__.py Sat Jun 11 22:20:55 2016 +0300 @@ -421,6 +421,9 @@ class Misc: Base class which defines methods common for interior widgets.""" + # used for generating child widget names + _last_child_ids = None + # XXX font command? _tclCommands = None def destroy(self): @@ -2103,7 +2106,15 @@ class BaseWidget(Misc): name = cnf['name'] del cnf['name'] if not name: - name = repr(id(self)) + name = self.__class__.__name__.lower() + if master._last_child_ids is None: + master._last_child_ids = {} + count = master._last_child_ids.get(name, 0) + 1 + master._last_child_ids[name] = count + if count == 1: + name = '0%s' % (name,) + else: + name = '0%s%d' % (name, count) self._name = name if master._w=='.': self._w = '.' + name @@ -3321,9 +3332,6 @@ class Image: if not name: Image._last_id += 1 name = "pyimage%r" % (Image._last_id,) # tk itself would use image - # The following is needed for systems where id(x) - # can return a negative number, such as Linux/m68k: - if name[0] == '-': name = '_' + name[1:] if kw and cnf: cnf = _cnfmerge((cnf, kw)) elif kw: cnf = kw options = () diff -r 77604a2f019b Lib/tkinter/test/test_tkinter/test_misc.py --- a/Lib/tkinter/test/test_tkinter/test_misc.py Sat Jun 11 04:36:34 2016 -0400 +++ b/Lib/tkinter/test/test_tkinter/test_misc.py Sat Jun 11 22:20:55 2016 +0300 @@ -12,6 +12,14 @@ class MiscTest(AbstractTkTest, unittest. f = tkinter.Frame(t, name='child') self.assertEqual(repr(f), '') + def test_generated_names(self): + t = tkinter.Toplevel(self.root) + f = tkinter.Frame(t) + f2 = tkinter.Frame(t) + b = tkinter.Button(f2) + for name in str(b).split('.'): + self.assertFalse(name.isidentifier(), msg=repr(name)) + def test_tk_setPalette(self): root = self.root root.tk_setPalette('black')