Issue #26177: Fixed the keys() method for Canvas and Scrollbar widgets.

Lib/tkinter/__init__.py

@@ -1336,8 +1336,9 @@ class Misc:
         self.configure({key: value})
     def keys(self):
         """Return a list of all resource names of this widget."""
-        return [x[0][1:] for x in
-                self.tk.splitlist(self.tk.call(self._w, 'configure'))]
+        splitlist = self.tk.splitlist
+        return [splitlist(x)[0][1:] for x in
+                splitlist(self.tk.call(self._w, 'configure'))]
     def __str__(self):
         """Return the window path name of this widget."""
         return self._w

Lib/tkinter/test/test_tkinter/test_geometry_managers.py

@@ -12,6 +12,8 @@ requires('gui')
 
 class PackTest(AbstractWidgetTest, unittest.TestCase):
 
+    test_keys = None
+
     def create2(self):
         pack = tkinter.Toplevel(self.root, name='pack')
         pack.wm_geometry('300x200+0+0')
@@ -276,6 +278,8 @@ class PackTest(AbstractWidgetTest, unittest.TestCase):
 
 class PlaceTest(AbstractWidgetTest, unittest.TestCase):
 
+    test_keys = None
+
     def create2(self):
         t = tkinter.Toplevel(self.root, width=300, height=200, bd=0)
         t.wm_geometry('300x200+0+0')
@@ -478,6 +482,8 @@ class PlaceTest(AbstractWidgetTest, unittest.TestCase):
 
 class GridTest(AbstractWidgetTest, unittest.TestCase):
 
+    test_keys = None
+
     def tearDown(self):
         cols, rows = self.root.grid_size()
         for i in range(cols + 1):

Lib/tkinter/test/test_tkinter/test_widgets.py

@@ -103,7 +103,7 @@ class FrameTest(AbstractToplevelTest, unittest.TestCase):
         'background', 'borderwidth',
         'class', 'colormap', 'container', 'cursor', 'height',
         'highlightbackground', 'highlightcolor', 'highlightthickness',
-        'relief', 'takefocus', 'visual', 'width',
+        'padx', 'pady', 'relief', 'takefocus', 'visual', 'width',
     )
 
     def create(self, **kwargs):
@@ -637,7 +637,7 @@ class CanvasTest(AbstractWidgetTest, unittest.TestCase):
         'highlightbackground', 'highlightcolor', 'highlightthickness',
         'insertbackground', 'insertborderwidth',
         'insertofftime', 'insertontime', 'insertwidth',
-        'relief', 'scrollregion',
+        'offset', 'relief', 'scrollregion',
         'selectbackground', 'selectborderwidth', 'selectforeground',
         'state', 'takefocus',
         'xscrollcommand', 'xscrollincrement',
@@ -659,6 +659,15 @@ class CanvasTest(AbstractWidgetTest, unittest.TestCase):
         widget = self.create()
         self.checkBooleanParam(widget, 'confine')
 
+    def test_offset(self):
+        widget = self.create()
+        self.assertEqual(widget['offset'], '0,0')
+        self.checkParams(widget, 'offset',
+                'n', 'ne', 'e', 'se', 's', 'sw', 'w', 'nw', 'center')
+        self.checkParam(widget, 'offset', '10,20')
+        self.checkParam(widget, 'offset', '#5,6')
+        self.checkInvalidParam(widget, 'offset', 'spam')
+
     def test_scrollregion(self):
         widget = self.create()
         self.checkParam(widget, 'scrollregion', '0 0 200 150')

Lib/tkinter/test/widget_tests.py

@@ -206,6 +206,33 @@ class AbstractWidgetTest(AbstractTkTest):
                 break
 
 
+    def test_keys(self):
+        widget = self.create()
+        keys = widget.keys()
+        # XXX
+        if not isinstance(widget, Scale):
+            self.assertEqual(sorted(keys), sorted(widget.configure()))
+        for k in keys:
+            widget[k]
+        # Test if OPTIONS contains all keys
+        if test.support.verbose:
+            aliases = {
+                'bd': 'borderwidth',
+                'bg': 'background',
+                'fg': 'foreground',
+                'invcmd': 'invalidcommand',
+                'vcmd': 'validatecommand',
+            }
+            keys = set(keys)
+            expected = set(self.OPTIONS)
+            for k in sorted(keys - expected):
+                if not (k in aliases and
+                        aliases[k] in keys and
+                        aliases[k] in expected):
+                    print('%s.OPTIONS doesn\'t contain "%s"' %
+                          (self.__class__.__name__, k))
+
+
 class StandardOptionsTests:
     STANDARD_OPTIONS = (
         'activebackground', 'activeborderwidth', 'activeforeground', 'anchor',

Misc/NEWS

@@ -201,6 +201,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #26177: Fixed the keys() method for Canvas and Scrollbar widgets.
+
 - Issue #21042: Make ctypes.util.find_library() return the full path on
   Linux, similar to other platforms.  Patch by Tamás Bence Gedai.