From 8e6d09c1ccb5fed0d1b074aae9325f41fed4705d Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Tue, 14 Jun 2016 12:33:31 +0300
Subject: Issue #26386: Fixed ttk.TreeView selection operations with item id's
 containing spaces.

---
 Lib/tkinter/test/test_ttk/test_widgets.py | 51 +++++++++++++++++++++++++++++++
 Lib/tkinter/ttk.py                        |  4 ++-
 Misc/NEWS                                 |  3 ++
 3 files changed, 57 insertions(+), 1 deletion(-)

diff --git a/Lib/tkinter/test/test_ttk/test_widgets.py b/Lib/tkinter/test/test_ttk/test_widgets.py
index c031351..8bd22d0 100644
--- a/Lib/tkinter/test/test_ttk/test_widgets.py
+++ b/Lib/tkinter/test/test_ttk/test_widgets.py
@@ -1486,6 +1486,57 @@ class TreeviewTest(AbstractWidgetTest, unittest.TestCase):
             value)
 
 
+    def test_selection(self):
+        # item 'none' doesn't exist
+        self.assertRaises(tkinter.TclError, self.tv.selection_set, 'none')
+        self.assertRaises(tkinter.TclError, self.tv.selection_add, 'none')
+        self.assertRaises(tkinter.TclError, self.tv.selection_remove, 'none')
+        self.assertRaises(tkinter.TclError, self.tv.selection_toggle, 'none')
+
+        item1 = self.tv.insert('', 'end')
+        item2 = self.tv.insert('', 'end')
+        c1 = self.tv.insert(item1, 'end')
+        c2 = self.tv.insert(item1, 'end')
+        c3 = self.tv.insert(item1, 'end')
+        self.assertEqual(self.tv.selection(), ())
+
+        self.tv.selection_set((c1, item2))
+        self.assertEqual(self.tv.selection(), (c1, item2))
+        self.tv.selection_set(c2)
+        self.assertEqual(self.tv.selection(), (c2,))
+
+        self.tv.selection_add((c1, item2))
+        self.assertEqual(self.tv.selection(), (c1, c2, item2))
+        self.tv.selection_add(item1)
+        self.assertEqual(self.tv.selection(), (item1, c1, c2, item2))
+
+        self.tv.selection_remove((item1, c3))
+        self.assertEqual(self.tv.selection(), (c1, c2, item2))
+        self.tv.selection_remove(c2)
+        self.assertEqual(self.tv.selection(), (c1, item2))
+
+        self.tv.selection_toggle((c1, c3))
+        self.assertEqual(self.tv.selection(), (c3, item2))
+        self.tv.selection_toggle(item2)
+        self.assertEqual(self.tv.selection(), (c3,))
+
+        self.tv.insert('', 'end', id='with spaces')
+        self.tv.selection_set('with spaces')
+        self.assertEqual(self.tv.selection(), ('with spaces',))
+
+        self.tv.insert('', 'end', id='{brace')
+        self.tv.selection_set('{brace')
+        self.assertEqual(self.tv.selection(), ('{brace',))
+
+        self.tv.insert('', 'end', id='unicode\u20ac')
+        self.tv.selection_set('unicode\u20ac')
+        self.assertEqual(self.tv.selection(), ('unicode\u20ac',))
+
+        self.tv.insert('', 'end', id=b'bytes\xe2\x82\xac')
+        self.tv.selection_set(b'bytes\xe2\x82\xac')
+        self.assertEqual(self.tv.selection(), ('bytes\xe2\x82\xac',))
+
+
     def test_set(self):
         self.tv['columns'] = ['A', 'B']
         item = self.tv.insert('', 'end', values=['a', 'b'])
diff --git a/Lib/tkinter/ttk.py b/Lib/tkinter/ttk.py
index 8f9369b..0e5759d 100644
--- a/Lib/tkinter/ttk.py
+++ b/Lib/tkinter/ttk.py
@@ -1392,7 +1392,9 @@ class Treeview(Widget, tkinter.XView, tkinter.YView):
 
     def selection(self, selop=None, items=None):
         """If selop is not specified, returns selected items."""
-        return self.tk.call(self._w, "selection", selop, items)
+        if isinstance(items, (str, bytes)):
+            items = (items,)
+        return self.tk.splitlist(self.tk.call(self._w, "selection", selop, items))
 
 
     def selection_set(self, items):
diff --git a/Misc/NEWS b/Misc/NEWS
index 14fd247..eb810d0 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -13,6 +13,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #26386: Fixed ttk.TreeView selection operations with item id's
+  containing spaces.
+
 - Issue #22636: Avoid shell injection problems with
   ctypes.util.find_library().
 
-- 
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