{5} Assigned, Active Tickets by Owner (Full Description) (6 matches)

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dagss (4 matches)

Ticket Summary Component Milestone Type Created
Description
#101 Clean up numpy.pxd Packaging wishlist defect 10/11/2008

As soon as inner functions is supported and ticket #99 is fixed, numpy.pxd should be cleaned up as it is using massive amounts of hacks right now to get around these limitations.

#134 cpdef method w/ unused buffer causes compilation error Code Generation wishlist defect 11/25/2008

Hello,

The following code segment won't compile: 

from numpy cimport ndarray

cdef class DumbClass:
    cpdef dumb_function(self):
        cdef ndarray[int] nothing
        return None

When I try to compile it, it returns 

gcc -pthread -fno-strict-aliasing -DNDEBUG -O2 -march=i586 -mtune=i686 -fmessage-length=0 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector -g -fwrapv -fPIC -I/home/hoytak/sysroot/lib/python2.5/site-packages/numpy/core/include -I/usr/include/python2.5 -c cs/test_cpdef.c -o build/temp.linux-i686-2.5/cs/test_cpdef.o -O3 -mtune=core2 -march=core2
cs/test_cpdef.c: In function ‘__pyx_f_2cs_10test_cpdef_9DumbClass_dumb_function’:
cs/test_cpdef.c:408: warning: implicit declaration of function ‘__Pyx_SafeReleaseBuffer’
cs/test_cpdef.c:408: error: ‘__pyx_bstruct_nothing’ undeclared (first use in this function)
cs/test_cpdef.c:408: error: (Each undeclared identifier is reported only once
cs/test_cpdef.c:408: error: for each function it appears in.)
error: command 'gcc' failed with exit status 1

A quick search shows that pyx_bstruct_nothing is not declared anywhere.

Also, it seems to happen only in class methods and only when cpdef is used (not cdef or def).

I'm using changeset 1374.

#469 Dependency graph for output of types and utility code Code Generation wishlist task 12/14/2009

As the builtin/"utility code" types of Cython becomes more complex, the current way of building up the output is too naive. Current behaviour:

  • Output stream is divided into coarse-grained blocks
  • Within each block, the order of type declarations are relied upon

For complex numbers, memoryviews, etc., this is ugly or even insufficient. It would be better to store the full type DAG, and walk it to output declarations in the right order.

Utility code could make use of the same DAG, so that utility code could depend on types and vice versa.

#339 Add library functions to numpy.pxd Library wishlist defect 06/28/2009

numpy.pxd is incomplete

haoyu (2 matches)

Ticket Summary Component Milestone Type Created
Description
#542 Support for relative import Pure Python Mode 1.0 defect 06/07/2010

Python >=2.5 supports relative import: 

from . import foo
from ...bar import xxx

this is not supported by Cython yet.

Relative import is described in  PEP0328.

#423 Support explicit exception chaining syntax (PEP 3134) Parsing wishlist enhancement 10/18/2009

This is a follow-up to #217. PEP 3134 defines a new syntax for explicitly chaining exceptions: 

raise Exception from other_exception

This should be supported.

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