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bpo-44349: Fix edge case when displaying text from files with encoding in syntax errors (GH-26611) (GH-26616)

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(cherry picked from commit 9fd21f649d)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
This commit is contained in:
Miss Islington (bot) 2021-06-08 17:29:21 -07:00 • committed by GitHub
parent eeefa7f6c0
commit c0496093e5
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3 changed files with 22 additions and 2 deletions
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16
Lib/test/test_exceptions.py
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@ -2105,6 +2105,22 @@ class SyntaxErrorTests(unittest.TestCase):
sys.__excepthook__(*sys.exc_info())
the_exception = exc
def test_encodings(self):
source = (
'# -*- coding: cp437 -*-\n'
'"¢¢¢¢¢¢" + f(4, x for x in range(1))\n'
)
try:
with open(TESTFN, 'w', encoding='cp437') as testfile:
testfile.write(source)
rc, out, err = script_helper.assert_python_failure('-Wd', '-X', 'utf8', TESTFN)
err = err.decode('utf-8').splitlines()
self.assertEqual(err[-3], ' "¢¢¢¢¢¢" + f(4, x for x in range(1))')
self.assertEqual(err[-2], ' ^^^^^^^^^^^^^^^^^^^')
finally:
unlink(TESTFN)
def test_attributes_new_constructor(self):
args = ("bad.py", 1, 2, "abcdefg", 1, 100)
the_exception = SyntaxError("bad bad", args)