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Issue #23696: Chain ZipImportError to the OSError

This commit is contained in:
Victor Stinner 2015-03-20 10:52:25 +01:00
parent 99953006df
commit fbd6f9ed12
2 changed files with 9 additions and 2 deletions
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5
Lib/test/test_zipimport.py
View File

@ -450,7 +450,10 @@ def testFileUnreadable(self):
fd = os.open(TESTMOD, os.O_CREAT, 000)
try:
os.close(fd)
self.assertZipFailure(TESTMOD)
with self.assertRaises(zipimport.ZipImportError) as cm:
zipimport.zipimporter(TESTMOD)
self.assertIsInstance(cm.exception.__context__, PermissionError)
finally:
# If we leave "the read-only bit" set on Windows, nothing can
# delete TESTMOD, and later tests suffer bogus failures.

6
Modules/zipimport.c
View File

@ -875,8 +875,12 @@ read_directory(PyObject *archive)
fp = _Py_fopen_obj(archive, "rb");
if (fp == NULL) {
if (PyErr_ExceptionMatches(PyExc_OSError))
if (PyErr_ExceptionMatches(PyExc_OSError)) {
PyObject *exc, *val, *tb;
PyErr_Fetch(&exc, &val, &tb);
PyErr_Format(ZipImportError, "can't open Zip file: %R", archive);
_PyErr_ChainExceptions(exc, val, tb);
}
return NULL;
}