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authorTerry Jan Reedy <tjreedy@udel.edu>2018-02-12 22:42:41 (GMT)
committerGitHub <noreply@github.com>2018-02-12 22:42:41 (GMT)
commit688722cedd6437910ff185ecf94fb3b749ad37f2 (patch)
treefb6bd49c0019cb3e84d27180d07a4b533e74134a /Lib
parentf34e03ec0ea6a4cef8d966087c77e616c4a5893b (diff)
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bpo-32837: IDLE - require encoding argument for textview.view_file. (GH-5646)
Using the system and place-dependent default encoding for open() is a bad idea for IDLE's system and location-independent files.
Diffstat (limited to 'Lib')
-rw-r--r--Lib/idlelib/idle_test/test_textview.py7
-rw-r--r--Lib/idlelib/textview.py2
2 files changed, 5 insertions, 4 deletions
diff --git a/Lib/idlelib/idle_test/test_textview.py b/Lib/idlelib/idle_test/test_textview.py
index c129c2f..dfd4063 100644
--- a/Lib/idlelib/idle_test/test_textview.py
+++ b/Lib/idlelib/idle_test/test_textview.py
@@ -112,7 +112,7 @@ class ViewFunctionTest(unittest.TestCase):
view.ok()
def test_view_file(self):
- view = tv.view_file(root, 'Title', __file__, modal=False)
+ view = tv.view_file(root, 'Title', __file__, 'ascii', modal=False)
self.assertIsInstance(view, tv.ViewWindow)
self.assertIsInstance(view.viewframe, tv.ViewFrame)
get = view.viewframe.textframe.text.get
@@ -121,7 +121,7 @@ class ViewFunctionTest(unittest.TestCase):
def test_bad_file(self):
# Mock showerror will be used; view_file will return None.
- view = tv.view_file(root, 'Title', 'abc.xyz', modal=False)
+ view = tv.view_file(root, 'Title', 'abc.xyz', 'ascii', modal=False)
self.assertIsNone(view)
self.assertEqual(tv.showerror.title, 'File Load Error')
@@ -161,7 +161,8 @@ class ButtonClickTest(unittest.TestCase):
def test_view_file_bind_with_button(self):
def _command():
self.called = True
- self.view = tv.view_file(root, 'TITLE_FILE', __file__, _utest=True)
+ self.view = tv.view_file(root, 'TITLE_FILE', __file__,
+ encoding='ascii', _utest=True)
button = Button(root, text='BUTTON', command=_command)
button.invoke()
self.addCleanup(button.destroy)
diff --git a/Lib/idlelib/textview.py b/Lib/idlelib/textview.py
index e3b5506..6620134 100644
--- a/Lib/idlelib/textview.py
+++ b/Lib/idlelib/textview.py
@@ -107,7 +107,7 @@ def view_text(parent, title, text, modal=True, _utest=False):
return ViewWindow(parent, title, text, modal, _utest=_utest)
-def view_file(parent, title, filename, encoding=None, modal=True, _utest=False):
+def view_file(parent, title, filename, encoding, modal=True, _utest=False):
"""Create text viewer for text in filename.
Return error message if file cannot be read. Otherwise calls view_text