Mercurial > cpython-lru_cache-weakref
diff Python/structmember.c @ 58018:46f4b7b5b4dd 3.1
Merged revisions 77161 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k
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r77161 | benjamin.peterson | 2009-12-30 13:44:54 -0600 (Wed, 30 Dec 2009) | 12 lines
Merged revisions 77157 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r77157 | benjamin.peterson | 2009-12-30 13:34:10 -0600 (Wed, 30 Dec 2009) | 5 lines
check if the attribute is set before deleting it with T_OBJECT_EX (fixes #7604)
Also, add a note to the docs about the better behavior of T_OBJECT_EX as
compared to T_OBJECT.
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| author | Benjamin Peterson <benjamin@python.org> |
|---|---|
| date | Wed, 30 Dec 2009 19:47:05 +0000 |
| parents | 85b67fb5672b |
| children | a88e0f6ab945 a7b58f1e8af0 |
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--- a/Python/structmember.c Wed Dec 30 16:25:13 2009 +0000 +++ b/Python/structmember.c Wed Dec 30 19:47:05 2009 +0000 @@ -104,17 +104,27 @@ { PyObject *oldv; + addr += l->offset; + if ((l->flags & READONLY) || l->type == T_STRING) { PyErr_SetString(PyExc_AttributeError, "readonly attribute"); return -1; } - if (v == NULL && l->type != T_OBJECT_EX && l->type != T_OBJECT) { - PyErr_SetString(PyExc_TypeError, - "can't delete numeric/char attribute"); - return -1; + if (v == NULL) { + if (l->type == T_OBJECT_EX) { + /* Check if the attribute is set. */ + if (*(PyObject **)addr == NULL) { + PyErr_SetString(PyExc_AttributeError, l->name); + return -1; + } + } + else if (l->type != T_OBJECT) { + PyErr_SetString(PyExc_TypeError, + "can't delete numeric/char attribute"); + return -1; + } } - addr += l->offset; switch (l->type) { case T_BOOL:{ if (!PyBool_Check(v)) {