Has anyone tried setting class attributes on a new-style class in C?
The file sandbox/datetime/datetime.py has code that does this:
class datetime(basetime):
...
datetime.min = datetime(...)
datetime.max = datetime(...)
I can easily add descriptors in the C version so that min and max are
defined on instances, but using PyObject_SetAttrString() using the new
class:
tmp = create_datetime(...);
if (datetime_min == NULL)
return;
if (PyObject_SetAttrString((PyObject *) &PyDateTime_Type,
"min", datetime_min) < 0)
return;
produces this exception:
Traceback (most recent call last):
File "test_cdatetime.py", line 9, in ?
from _datetime import datetime, MINYEAR, MAXYEAR
TypeError: can't set attributes of built-in/extension type 'datetime.datetime'
(where _datetime is the C extension that implements the C version of
the type).
Any ideas?
-Fred
--
Fred L. Drake, Jr. <fdrake at acm.org>
PythonLabs at Zope Corporation
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