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#20206, #5803: more efficient algorithm that doesn't truncate output.

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This fixes an edge case (20206) where if the input ended in a character
needing encoding but there was no newline on the string, the last byte
of the encoded character would be dropped.  The fix is to use a more
efficient algorithm, provided by Serhiy Storchaka (5803), that does not
have the bug.
This commit is contained in:
R David Murray 2014-01-13 13:19:21 -05:00
parent 2a3d7d1af7
commit 2313e15578
3 changed files with 65 additions and 78 deletions
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5
Lib/test/test_email/test_email.py
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@ -4216,6 +4216,11 @@ class TestQuopri(unittest.TestCase):
def test_encode_one_line_eol(self):
self._test_encode('hello\n', 'hello\r\n', eol='\r\n')
def test_encode_one_line_eol_after_non_ascii(self):
# issue 20206; see changeset 0cf700464177 for why the encode/decode.
self._test_encode('hello\u03c5\n'.encode('utf-8').decode('latin1'),
'hello=CF=85\r\n', eol='\r\n')
def test_encode_one_space(self):
self._test_encode(' ', '=20')