STINNER Victor <[email protected]> added the comment:
The first example was extracted from Lib/importlib/_bootstrap.py. The code was
maybe wrong, I don't know.
Another example:
----------------------
import errno
import os
try:
os.rmdir("testdir")
except:
pass
os.mkdir("testdir")
try:
try:
#os.mkdir("testdir")
open("NOT EXISTING FILENAME")
except OSError as exc:
if exc.errno == errno.EEXIST:
pass
else:
raise
except IOError as exc:
if exc.errno == errno.ENOENT:
pass
else:
raise
except Exception:
raise
print("PEP 3151 broke backward compatibility on such pattern!")
----------------------
Uncomment mkdir() to test both paths.
----------
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<http://bugs.python.org/issue13286>
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