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Issue #25318: Avoid sprintf() in backslashreplace()

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Rewrite backslashreplace() to be closer to PyCodec_BackslashReplaceErrors().

Add also unit tests for non-BMP characters.
This commit is contained in:
Victor Stinner 2015-10-09 03:17:30 +02:00
parent b13b97d3b8
commit 797485e101
2 changed files with 22 additions and 9 deletions
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6
Lib/test/test_codecs.py
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@ -3155,7 +3155,8 @@ class ASCIITest(unittest.TestCase):
('[\x80\xff\u20ac]', 'ignore', b'[]'),
('[\x80\xff\u20ac]', 'replace', b'[???]'),
('[\x80\xff\u20ac]', 'xmlcharrefreplace', b'[€ÿ€]'),
('[\x80\xff\u20ac]', 'backslashreplace', b'[\\x80\\xff\\u20ac]'),
('[\x80\xff\u20ac\U000abcde]', 'backslashreplace',
b'[\\x80\\xff\\u20ac\\U000abcde]'),
('[\udc80\udcff]', 'surrogateescape', b'[\x80\xff]'),
):
with self.subTest(data=data, error_handler=error_handler,
@ -3197,7 +3198,8 @@ class Latin1Test(unittest.TestCase):
for data, error_handler, expected in (
('[\u20ac\udc80]', 'ignore', b'[]'),
('[\u20ac\udc80]', 'replace', b'[??]'),
('[\u20ac\udc80]', 'backslashreplace', b'[\\u20ac\\udc80]'),
('[\u20ac\U000abcde]', 'backslashreplace',
b'[\\u20ac\\U000abcde]'),
('[\u20ac\udc80]', 'xmlcharrefreplace', b'[€�]'),
('[\udc80\udcff]', 'surrogateescape', b'[\x80\xff]'),
):