[issue9393] shelve.open/bsddb.hashopen exception with unicode paths

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

shelve uses anydbm which uses gdbm, dbm or bsddbm. Attached patch fixes gdbm and dbm (replace "s" format by "et" with Py_FileSystemDefaultEncoding).

bsddbm is harder to fix: bsdhashopen(), bsdbtopen() and bsdrnopen() have to be fixed, and they accept None for the filename ("z" format).

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9393>
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