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bpo-21519: IDLE basic custom key entry detects duplicates. by terryjreedy · Pull Request #2428 · python/cpython · GitHub

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6 changes: 3 additions & 3 deletions Lib/idlelib/config_key.py
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
Original file line number Diff line number Diff line change
Expand Up @@ -250,10 +250,10 @@ def KeysOK(self, keys):
'''
finalKey = self.listKeysFinal.get(ANCHOR)
modifiers = self.GetModifiers()
# create a key sequence list for overlap check:
keySequence = keys.split()
keysOK = False
title = self.keyerror_title
key_sequences = [key for keylist in self.currentKeySequences
for key in keylist]
if not keys.endswith('>'):
self.showerror(title, parent=self,
message='Missing the final Key')
Expand All @@ -267,7 +267,7 @@ def KeysOK(self, keys):
msg = 'The shift modifier by itself may not be used with'\
' this key symbol.'
self.showerror(title=title, parent=self, message=msg)
elif keySequence in self.currentKeySequences:
elif keys in key_sequences:
msg = 'This key combination is already in use.'
self.showerror(title=title, parent=self, message=msg)
else:
Expand Down
14 changes: 10 additions & 4 deletions Lib/idlelib/idle_test/test_config_key.py
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Original file line number Diff line number Diff line change
Expand Up @@ -28,8 +28,9 @@ def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
keylist = [['<Key-F12>'], ['<Control-Key-x>', '<Control-Key-X>']]
cls.dialog = cls.Validator(
cls.root, 'Title', '<<Test>>', [['<Key-F12>']], _utest=True)
cls.root, 'Title', '<<Test>>', keylist, _utest=True)

@classmethod
def tearDownClass(cls):
Expand Down Expand Up @@ -78,10 +79,15 @@ def test_keys_shift_bad(self):
self.dialog.GetModifiers.result = []

def test_keys_dup(self):
self.dialog.listKeysFinal.get.result = 'F12'
for mods, final, seq in (([], 'F12', '<Key-F12>'),
(['Control'], 'x', '<Control-Key-x>'),
(['Control'], 'X', '<Control-Key-X>')):
with self.subTest(m=mods, f=final, s=seq):
self.dialog.listKeysFinal.get.result = final
self.dialog.GetModifiers.result = mods
self.assertFalse(self.dialog.KeysOK(seq))
self.assertIn('already in use', self.dialog.showerror.message)
self.dialog.GetModifiers.result = []
self.assertFalse(self.dialog.KeysOK('<Key-F12>'))
self.assertIn('already in use', self.dialog.showerror.message)

def test_bind_ok(self):
self.assertTrue(self.dialog.bind_ok('<Control-Shift-Key-a>'))
Expand Down
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
IDLE's basic custom key entry dialog now detects duplicates properly.
Original patch by Saimadhav Heblikar.

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