New submission from Michael Dale Long <[email protected]>:
I have some code that relies on inheriting from SDL's SDL_Rect class. This
works in CPython 2.x and 3.x, but fails in PyPy 2.0 beta and the most recent
nightly build as well. There seems to be some problem passing arguments to the
superclass constructor. See the attached sdl_inherit_test.py for a simplified
example (SDL libraries not required, it just declares the Structure), and
output.txt for my tests with various Python interpreters on Gentoo Linux.
----------
nosy: +link
status: unread -> chatting
________________________________________
PyPy bug tracker <[email protected]>
<https://bugs.pypy.org/issue1473>
________________________________________
link@brinstar /work $ python3 --version
Python 3.2.4
link@brinstar /work $ python3 ./sdl_inherit_test.py
SDL_Rect: 0 0 10 10
Our_Rect: 5 5 15 15
link@brinstar /work $ python2 --version
Python 2.7.3
link@brinstar /work $ python2 ./sdl_inherit_test.py
SDL_Rect: 0 0 10 10
Our_Rect: 5 5 15 15
link@brinstar /work $ pypy-c2.0 --version
Python 2.7.3 (07e08e9c885ca67d89bcc304e45a32346daea2fa, Apr 03 2013, 12:48:25)
[PyPy 2.0.0-beta1]
link@brinstar /work $ pypy-c2.0 ./sdl_inherit_test.py
Traceback (most recent call last):
File "app_main.py", line 52, in run_toplevel
File "./sdl_inherit_test.py", line 24, in <module>
subrect = Our_Rect(5, 5, 15, 15)
File "./sdl_inherit_test.py", line 16, in __init__
SDL_Rect.__init__(self, args[0], args[1], args[2], args[3])
File "/usr/lib64/pypy2.0/lib_pypy/_ctypes/structure.py", line 228, in __init__
raise TypeError("too many initializers")
TypeError: too many initializers
link@brinstar /work $ ./pypy-c-jit-63819-c16cd00e82ef-linux64/bin/pypy --version
./pypy-c-jit-63819-c16cd00e82ef-linux64/bin/pypy: /usr/lib64/libssl.so.1.0.0:
no version information available (required by
./pypy-c-jit-63819-c16cd00e82ef-linux64/bin/pypy)
./pypy-c-jit-63819-c16cd00e82ef-linux64/bin/pypy:
/usr/lib64/libcrypto.so.1.0.0: no version information available (required by
./pypy-c-jit-63819-c16cd00e82ef-linux64/bin/pypy)
Python 2.7.3 (c16cd00e82ef, May 03 2013, 22:00:19)
[PyPy 2.0.0-beta2 with GCC 4.6.3]
link@brinstar /work $ ./pypy-c-jit-63819-c16cd00e82ef-linux64/bin/pypy
./sdl_inherit_test.py
./pypy-c-jit-63819-c16cd00e82ef-linux64/bin/pypy: /usr/lib64/libssl.so.1.0.0:
no version information available (required by
./pypy-c-jit-63819-c16cd00e82ef-linux64/bin/pypy)
./pypy-c-jit-63819-c16cd00e82ef-linux64/bin/pypy:
/usr/lib64/libcrypto.so.1.0.0: no version information available (required by
./pypy-c-jit-63819-c16cd00e82ef-linux64/bin/pypy)
Traceback (most recent call last):
File "app_main.py", line 72, in run_toplevel
File "./sdl_inherit_test.py", line 24, in <module>
subrect = Our_Rect(5, 5, 15, 15)
File "./sdl_inherit_test.py", line 16, in __init__
SDL_Rect.__init__(self, args[0], args[1], args[2], args[3])
File
"/work/pypy-c-jit-63819-c16cd00e82ef-linux64/lib_pypy/_ctypes/structure.py",
line 228, in __init__
raise TypeError("too many initializers")
TypeError: too many initializers
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