Author: mattip <matti.pi...@gmail.com>
Branch: cpyext-ext
Changeset: r83441:f52a0d372df2
Date: 2016-03-30 20:09 +0300
http://bitbucket.org/pypy/pypy/changeset/f52a0d372df2/
Log: cannot raise NotImplemented on a CANNOT_FAIL function that returns a
pointer
diff --git a/pypy/module/cpyext/memoryobject.py
b/pypy/module/cpyext/memoryobject.py
--- a/pypy/module/cpyext/memoryobject.py
+++ b/pypy/module/cpyext/memoryobject.py
@@ -1,4 +1,5 @@
-from pypy.module.cpyext.api import cpython_api, Py_buffer, build_type_checkers
+from pypy.module.cpyext.api import (cpython_api, Py_buffer, CANNOT_FAIL,
+ build_type_checkers)
from pypy.module.cpyext.pyobject import PyObject
from rpython.rtyper.lltypesystem import lltype
@@ -13,11 +14,27 @@
# return the obj field of the Py_buffer created by PyMemoryView_GET_BUFFER
raise NotImplementedError
-@cpython_api([PyObject], lltype.Ptr(Py_buffer))
-def PyMemoryView_GET_BUFFER(space, obj):
+@cpython_api([PyObject], lltype.Ptr(Py_buffer), error=CANNOT_FAIL)
+def PyMemoryView_GET_BUFFER(space, w_obj):
"""Return a pointer to the buffer-info structure wrapped by the given
object. The object must be a memoryview instance; this macro doesn't
check its type, you must do it yourself or you will risk crashes."""
- raise NotImplementedError
+ view = lltype.malloc(Py_buffer, flavor='raw', zero=True)
+ # TODO - fill in fields
+ '''
+ view.c_buf = buf
+ view.c_len = length
+ view.c_obj = obj
+ Py_IncRef(space, obj)
+ view.c_itemsize = 1
+ rffi.setintfield(view, 'c_readonly', readonly)
+ rffi.setintfield(view, 'c_ndim', 0)
+ view.c_format = lltype.nullptr(rffi.CCHARP.TO)
+ view.c_shape = lltype.nullptr(Py_ssize_tP.TO)
+ view.c_strides = lltype.nullptr(Py_ssize_tP.TO)
+ view.c_suboffsets = lltype.nullptr(Py_ssize_tP.TO)
+ view.c_internal = lltype.nullptr(rffi.VOIDP.TO)
+ '''
+ return view
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