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bpo-38870: correctly escape unprintable characters on ast.unparse (GH-20166)

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Unprintable characters such as `\x00` weren't correctly roundtripped
due to not using default string repr when generating docstrings. This
patch correctly encodes all unprintable characters (except `\n` and `\t`, which
are commonly used for formatting, and found unescaped).

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
Co-authored-by: Batuhan Taskaya <isidentical@gmail.com>
This commit is contained in:
CyberSaxosTiGER 2020-05-18 21:41:35 +03:00 • committed by GitHub
parent dc31800f86
commit d71a6492db
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2 changed files with 16 additions and 4 deletions
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6
Lib/test/test_unparse.py
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@ -324,7 +324,11 @@ class UnparseTestCase(ASTTestCase):
'\\t',
'\n',
'\\n',
'\r\\r\t\\t\n\\n'
'\r\\r\t\\t\n\\n',
'""">>> content = \"\"\"blabla\"\"\" <<<"""',
r'foo\n\x00',
'🐍⛎𩸽üéş^\X\BB\N{LONG RIGHTWARDS SQUIGGLE ARROW}'
)
for docstring in docstrings:
# check as Module docstrings for easy testing