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Issue #13848: open() and the FileIO constructor now check for NUL characters in the file name.

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Patch by Hynek Schlawack.
This commit is contained in:
Antoine Pitrou 2012-01-29 18:43:36 +01:00
commit 7ab4af0427
6 changed files with 41 additions and 21 deletions
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5
Lib/test/test_io.py
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@ -363,6 +363,11 @@ class IOTest(unittest.TestCase):
self.assertRaises(exc, fp.seek, 1, self.SEEK_CUR)
self.assertRaises(exc, fp.seek, -1, self.SEEK_END)
def test_open_handles_NUL_chars(self):
fn_with_NUL = 'foo\0bar'
self.assertRaises(TypeError, self.open, fn_with_NUL, 'w')
self.assertRaises(TypeError, self.open, bytes(fn_with_NUL, 'ascii'), 'w')
def test_raw_file_io(self):
with self.open(support.TESTFN, "wb", buffering=0) as f:
self.assertEqual(f.readable(), False)