On Fri, Aug 25, 2000 at 03:16:56PM +1000, Mark Hammond wrote:
> Something strange is happening in my Windows Debug builds (fresh CVS tree)
> If you remove "urllib.pyc", and execute 'python_d -c "import urllib"',
> Python dies after printing the message:
>
> FATAL: node type 305, required 311
>
> It also happens for a number of other files (compileall.py will show you
> :-)
> Further analysis shows this deep in the compiler, and triggered by this
> macro in node.h:
> #define REQ(n, type) \
> { if (TYPE(n) != (type)) { \
> fprintf(stderr, "FATAL: node type %d, required %d\n", \
> TYPE(n), type); \
> abort(); \
> } }
> Is this pointing to a deeper problem, or is the assertion incorrect?
At first sight, I would say "yes, the assertion is wrong". That doesn't mean
it shouldn't be fixed ! It's probably caused by augmented assignment or list
comprehensions, though I have used both with Py_DEBUG enabled a few times,
so I don't know for sure. I'm compiling with debug right now, to inspect
this, though.
Another thing that might cause it is an out-of-date graminit.h file
somewhere. The one in the CVS tree is up to date, but maybe you have a copy
stashed somewhere ?
> Does the Linux community ever run with Py_DEBUG defined? I couldn't even
> find a simple way to turn it on to confirm it also exists on Linux...
There's undoubtedly a good way, but I usually just chicken out and add
'#define Py_DEBUG 1' at the bottom of config.h ;) That also makes sure I
don't keep it around too long, as config.h gets regenerated often enough :)
--
Thomas Wouters <thomas@xs4all.net>
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