From 44be832c5708baadd146cb954befbc3dcad8d463 Mon Sep 17 00:00:00 2001
From: Micah Anderson <micah@riseup.net>
Date: Tue, 11 Nov 2014 11:52:45 -0500
Subject: prepare for upgrade to new upstream

---
 zmq/backend/cython/rebuffer.pyx | 104 ----------------------------------------
 1 file changed, 104 deletions(-)
 delete mode 100644 zmq/backend/cython/rebuffer.pyx

(limited to 'zmq/backend/cython/rebuffer.pyx')

diff --git a/zmq/backend/cython/rebuffer.pyx b/zmq/backend/cython/rebuffer.pyx
deleted file mode 100644
index 402e3b6..0000000
--- a/zmq/backend/cython/rebuffer.pyx
+++ /dev/null
@@ -1,104 +0,0 @@
-"""
-Utility for changing itemsize of memoryviews, and getting
-numpy arrays from byte-arrays that should be interpreted with a different
-itemsize.
-
-Authors
--------
-* MinRK
-"""
-
-#-----------------------------------------------------------------------------
-#  Copyright (c) 2010-2012 Brian Granger, Min Ragan-Kelley
-#
-#  This file is part of pyzmq
-#
-#  Distributed under the terms of the New BSD License.  The full license is in
-#  the file COPYING.BSD, distributed as part of this software.
-#-----------------------------------------------------------------------------
-
-from libc.stdlib cimport malloc
-from buffers cimport *
-
-cdef inline object _rebuffer(object obj, char * format, int itemsize):
-    """clobber the format & itemsize of a 1-D
-
-    This is the Python 3 model, but will work on Python >= 2.6. Currently,
-    we use it only on >= 3.0.
-    """
-    cdef Py_buffer view
-    cdef int flags = PyBUF_SIMPLE
-    cdef int mode = 0
-    # cdef Py_ssize_t *shape, *strides, *suboffsets
-    
-    mode = check_buffer(obj)
-    if mode == 0:
-        raise TypeError("%r does not provide a buffer interface."%obj)
-
-    if mode == 3:
-        flags = PyBUF_ANY_CONTIGUOUS
-        if format:
-            flags |= PyBUF_FORMAT
-        PyObject_GetBuffer(obj, &view, flags)
-        assert view.ndim <= 1, "Can only reinterpret 1-D memoryviews"
-        assert view.len % itemsize == 0, "Buffer of length %i not divisible into items of size %i"%(view.len, itemsize)
-        # hack the format
-        view.ndim = 1
-        view.format = format
-        view.itemsize = itemsize
-        view.strides = <Py_ssize_t *>malloc(sizeof(Py_ssize_t))
-        view.strides[0] = itemsize
-        view.shape = <Py_ssize_t *>malloc(sizeof(Py_ssize_t))
-        view.shape[0] = view.len/itemsize
-        view.suboffsets = <Py_ssize_t *>malloc(sizeof(Py_ssize_t))
-        view.suboffsets[0] = 0
-        # for debug: make buffer writable, for zero-copy testing
-        # view.readonly = 0
-        
-        return PyMemoryView_FromBuffer(&view)
-    else:
-        raise TypeError("This funciton is only for new-style buffer objects.")
-
-def rebuffer(obj, format, itemsize):
-    """Change the itemsize of a memoryview.
-    
-    Only for 1D contiguous buffers.
-    """
-    return _rebuffer(obj, format, itemsize)
-
-def array_from_buffer(view, dtype, shape):
-    """Get a numpy array from a memoryview, regardless of the itemsize of the original
-    memoryview.  This is important, because pyzmq does not send memoryview shape data
-    over the wire, so we need to change the memoryview itemsize before calling
-    asarray.
-    """
-    import numpy
-    A = numpy.array([],dtype=dtype)
-    ref = viewfromobject(A,0)
-    fmt = ref.format.encode()
-    buf = viewfromobject(view, 0)
-    buf = _rebuffer(view, fmt, ref.itemsize)
-    return numpy.asarray(buf, dtype=dtype).reshape(shape)
-
-def print_view_info(obj):
-    """simple utility for printing info on a new-style buffer object"""
-    cdef Py_buffer view
-    cdef int flags = PyBUF_ANY_CONTIGUOUS|PyBUF_FORMAT
-    cdef int mode = 0
-    
-    mode = check_buffer(obj)
-    if mode == 0:
-        raise TypeError("%r does not provide a buffer interface."%obj)
-
-    if mode == 3:
-        PyObject_GetBuffer(obj, &view, flags)
-        print <size_t>view.buf, view.len, view.format, view.ndim,
-        if view.ndim:
-            if view.shape:
-                print view.shape[0],
-            if view.strides:
-                print view.strides[0],
-            if view.suboffsets:
-                print view.suboffsets[0],
-        print
-    
\ No newline at end of file
-- 
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