According to the buffer PEP, __getbuffer__ should raise a BufferError
under certain circumstances. This is not present in older versions of
Python. Backport/emulate or not? Any good ideas for how it should
happen? (I'm blank when it comes to both builtins and creating exception
types.) One option could be to simply make BufferError be a ValueError
in Python 2.5-; still, the main question I guess is whether we import
BufferError into the Cython builtin scope.
Slightly related, look at this code in Symtab.py:
def declare_builtin(self, name, pos):
if not hasattr(__builtin__, name):
If I'm not entirely wrong, this means that BufferError (and other new
builtin symbols) will be available only if you run Cython under Python
2.6+. I find the fact that results of a compilation depends on the
Python version used for running Cython somewhat disturbing. Should
perhaps a literal list of accepted Cython builtins be present in
Symtab.py instead? (Or couple it to Builtins.py somehow?)
Dag Sverre
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