Hi,
I cannot get the documented method to work::
$ cat t.pyx
cdef extern from "tupleobject.h":
ctypedef class __builtin__.tuple [object PyTupleObject]:
pass
cdef class MyTuple(tuple):
pass
$ cython t.pyx
warning: /tmp/t.pyx:2:4: tuple already a builtin Cython type
$ gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall
-Wstrict-prototypes -fPIC -I/usr/include/python2.5 -c t.c -o t.o
$ gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions t.o -o t.so
$ python
Python 2.5.2 (r252:60911, Oct 5 2008, 19:24:49)
[GCC 4.3.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import t
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "t.pyx", line 2, in t (t.c:610)
ctypedef class __builtin__.tuple [object PyTupleObject]:
ValueError: __builtin__.tuple does not appear to be the correct type object
Relevant lines in t.c are::
$ sed -e '547,551!d' t.c
/*--- Function export code ---*/
/*--- Type init code ---*/
__pyx_ptype_1t_tuple = __Pyx_ImportType(__Pyx_BUILTIN_MODULE_NAME,
"tuple", sizeof(PyTupleObject)); if (unlikely(!__pyx_ptype_1t_tuple))
{__pyx_filename = __pyx_f[0]; __pyx_lineno = 2; __pyx_clineno =
__LINE__; goto __pyx_L1_error;}
__pyx_type_1t_MyTuple.tp_base = __pyx_ptype_1t_tuple;
if (PyType_Ready(&__pyx_type_1t_MyTuple) < 0) {__pyx_filename =
__pyx_f[0]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto
__pyx_L1_error;}
I'm using Cython 0.11.1; thanks for any help!
Best regards,
Riccardo
--
Riccardo Murri, via Rossée 17, 6987 Caslano (CH)
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