[Python-apps-team] Bug#463625: cython: cdef-ed attribute -> invalid C source

[Jakub Wilk]

Package: cython
Version: 0.9.6.11.ds-1
Severity: normal

cython produces invalid C code if an extension type contains an attribute with
type declared as another extension type.

$ cat buggy.pyx

cdef class A:
	pass

cdef class B:
	cdef A a

$ gcc --version | head -n 1
gcc (GCC) 4.2.3 20080114 (prerelease) (Debian 4.2.2-7)

$ cython buggy.pyx && gcc buggy.c -I/usr/include/python2.4/
buggy.c: In function '__pyx_tp_clear_5buggy_B':
buggy.c:300: error: lvalue required as left operand of assignment

-- System Information:
Debian Release: lenny/sid
   APT prefers testing
   APT policy: (900, 'testing'), (600, 'unstable'), (500, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.22-3-686 (SMP w/1 CPU core)
Locale: LANG=C, LC_CTYPE=pl_PL (charmap=ISO-8859-2)
Shell: /bin/sh linked to /bin/dash

Versions of packages cython depends on:
ii  python                        2.4.4-6    An interactive high-level object-o
ii  python-support                0.7.6      automated rebuilding support for p

cython recommends no packages.

-- debconf-show failed

-- 
Jakub Wilk