[Python-checkins] bpo-32826: Add "encoding=utf-8" to open() in idle_test/test_help_about. (GH-5639)
Terry Jan Reedy
webhook-mailer at python.org
Mon Feb 12 14:58:32 EST 2018
https://github.com/python/cpython/commit/f34e03ec0ea6a4cef8d966087c77e616c4a5893b
commit: f34e03ec0ea6a4cef8d966087c77e616c4a5893b
branch: master
author: Terry Jan Reedy <tjreedy at udel.edu>
committer: GitHub <noreply at github.com>
date: 2018-02-12T14:58:26-05:00
summary:
bpo-32826: Add "encoding=utf-8" to open() in idle_test/test_help_about. (GH-5639)
GUI test test_file_buttons() only looks at initial ascii-only lines,
but failed on systems where open() defaults to 'ascii' because
readline() internally reads and decodes far enough ahead to encounter
a non-ascii character in CREDITS.txt.
files:
A Misc/NEWS.d/next/IDLE/2018-02-12-11-05-22.bpo-32826.IxNZrk.rst
M Lib/idlelib/idle_test/test_help_about.py
diff --git a/Lib/idlelib/idle_test/test_help_about.py b/Lib/idlelib/idle_test/test_help_about.py
index 1f67aaddb3b4..9c6a834a461b 100644
--- a/Lib/idlelib/idle_test/test_help_about.py
+++ b/Lib/idlelib/idle_test/test_help_about.py
@@ -50,35 +50,37 @@ def test_dialog_logo(self):
def test_printer_buttons(self):
"""Test buttons whose commands use printer function."""
dialog = self.dialog
- button_sources = [(dialog.py_license, license),
- (dialog.py_copyright, copyright),
- (dialog.py_credits, credits)]
-
- for button, printer in button_sources:
- printer._Printer__setup()
- button.invoke()
- get = dialog._current_textview.viewframe.textframe.text.get
- self.assertEqual(printer._Printer__lines[0], get('1.0', '1.end'))
- self.assertEqual(
- printer._Printer__lines[1], get('2.0', '2.end'))
- dialog._current_textview.destroy()
+ button_sources = [(dialog.py_license, license, 'license'),
+ (dialog.py_copyright, copyright, 'copyright'),
+ (dialog.py_credits, credits, 'credits')]
+
+ for button, printer, name in button_sources:
+ with self.subTest(name=name):
+ printer._Printer__setup()
+ button.invoke()
+ get = dialog._current_textview.viewframe.textframe.text.get
+ lines = printer._Printer__lines
+ self.assertEqual(lines[0], get('1.0', '1.end'))
+ self.assertEqual(lines[1], get('2.0', '2.end'))
+ dialog._current_textview.destroy()
def test_file_buttons(self):
"""Test buttons that display files."""
dialog = self.dialog
- button_sources = [(self.dialog.readme, 'README.txt'),
- (self.dialog.idle_news, 'NEWS.txt'),
- (self.dialog.idle_credits, 'CREDITS.txt')]
-
- for button, filename in button_sources:
- button.invoke()
- fn = findfile(filename, subdir='idlelib')
- get = dialog._current_textview.viewframe.textframe.text.get
- with open(fn) as f:
- self.assertEqual(f.readline().strip(), get('1.0', '1.end'))
- f.readline()
- self.assertEqual(f.readline().strip(), get('3.0', '3.end'))
- dialog._current_textview.destroy()
+ button_sources = [(self.dialog.readme, 'README.txt', 'readme'),
+ (self.dialog.idle_news, 'NEWS.txt', 'news'),
+ (self.dialog.idle_credits, 'CREDITS.txt', 'credits')]
+
+ for button, filename, name in button_sources:
+ with self.subTest(name=name):
+ button.invoke()
+ fn = findfile(filename, subdir='idlelib')
+ get = dialog._current_textview.viewframe.textframe.text.get
+ with open(fn, encoding='utf-8') as f:
+ self.assertEqual(f.readline().strip(), get('1.0', '1.end'))
+ f.readline()
+ self.assertEqual(f.readline().strip(), get('3.0', '3.end'))
+ dialog._current_textview.destroy()
class DefaultTitleTest(unittest.TestCase):
diff --git a/Misc/NEWS.d/next/IDLE/2018-02-12-11-05-22.bpo-32826.IxNZrk.rst b/Misc/NEWS.d/next/IDLE/2018-02-12-11-05-22.bpo-32826.IxNZrk.rst
new file mode 100644
index 000000000000..4310ed2e721a
--- /dev/null
+++ b/Misc/NEWS.d/next/IDLE/2018-02-12-11-05-22.bpo-32826.IxNZrk.rst
@@ -0,0 +1,5 @@
+Add "encoding=utf-8" to open() in IDLE's test_help_about.
+GUI test test_file_buttons() only looks at initial ascii-only lines,
+but failed on systems where open() defaults to 'ascii' because
+readline() internally reads and decodes far enough ahead to encounter
+a non-ascii character in CREDITS.txt.
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