https://github.com/python/cpython/commit/efcfb1a4e0f4d0d0e33aefccd8373e116e98e3de
commit: efcfb1a4e0f4d0d0e33aefccd8373e116e98e3de
branch: main
author: Serhiy Storchaka <[email protected]>
committer: terryjreedy <[email protected]>
date: 2026-07-01T16:36:34-04:00
summary:
gh-65339: Save IDLE Shell and Output windows as text by default (#152742)
Their content is not Python source, so the Save As dialog now lists text
files first and defaults to a ".txt" extension.
files:
A Misc/NEWS.d/next/IDLE/2026-07-01-17-00-00.gh-issue-65339.oUtTxt.rst
M Lib/idlelib/idle_test/test_outwin.py
M Lib/idlelib/iomenu.py
M Lib/idlelib/outwin.py
diff --git a/Lib/idlelib/idle_test/test_outwin.py
b/Lib/idlelib/idle_test/test_outwin.py
index 0f13363f84f361..00a7432b908873 100644
--- a/Lib/idlelib/idle_test/test_outwin.py
+++ b/Lib/idlelib/idle_test/test_outwin.py
@@ -41,6 +41,13 @@ def test_ispythonsource(self):
self.assertFalse(w.ispythonsource('test.txt'))
self.assertFalse(w.ispythonsource(__file__))
+ def test_save_defaults_to_text(self):
+ # gh-65339: output is saved as text, not Python source.
+ io = self.window.io
+ self.assertEqual(io.defaultextension, '.txt')
+ # Text files are offered before Python files.
+ self.assertEqual(io.filetypes[0][0], 'Text files')
+
def test_window_title(self):
self.assertEqual(self.window.top.title(), 'Output' + ' (%s)' %
platform.python_version())
diff --git a/Lib/idlelib/iomenu.py b/Lib/idlelib/iomenu.py
index fc502f7fde1780..9560aaa2da0c42 100644
--- a/Lib/idlelib/iomenu.py
+++ b/Lib/idlelib/iomenu.py
@@ -384,7 +384,16 @@ def print_window(self, event):
("All files", "*"),
)
+ # Output windows (Shell, Output) are not Python source, so they list
+ # text files first and default to ".txt" (gh-65339).
+ text_filetypes = (
+ ("Text files", "*.txt", "TEXT"),
+ ("Python files", py_extensions, "TEXT"),
+ ("All files", "*"),
+ )
+
defaultextension = '.py' if sys.platform == 'darwin' else ''
+ text_defaultextension = '.txt'
def askopenfile(self):
dir, base = self.defaultfilename("open")
diff --git a/Lib/idlelib/outwin.py b/Lib/idlelib/outwin.py
index 8baa657550de94..f7e92bb8ac0c77 100644
--- a/Lib/idlelib/outwin.py
+++ b/Lib/idlelib/outwin.py
@@ -78,6 +78,10 @@ class OutputWindow(EditorWindow):
def __init__(self, *args):
EditorWindow.__init__(self, *args)
self.text.bind("<<goto-file-line>>", self.goto_file_line)
+ # Output is not Python source, so save it as text by default
+ # (gh-65339).
+ self.io.filetypes = self.io.text_filetypes
+ self.io.defaultextension = self.io.text_defaultextension
# Customize EditorWindow
def ispythonsource(self, filename):
diff --git
a/Misc/NEWS.d/next/IDLE/2026-07-01-17-00-00.gh-issue-65339.oUtTxt.rst
b/Misc/NEWS.d/next/IDLE/2026-07-01-17-00-00.gh-issue-65339.oUtTxt.rst
new file mode 100644
index 00000000000000..a8b216e86dc8d7
--- /dev/null
+++ b/Misc/NEWS.d/next/IDLE/2026-07-01-17-00-00.gh-issue-65339.oUtTxt.rst
@@ -0,0 +1,3 @@
+Saving the IDLE Shell or an Output window now defaults to a ``.txt``
+extension and lists text files before Python files, since their content is
+not Python source.
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