mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-24 10:56:56 +00:00
107 lines
3.7 KiB
Diff
107 lines
3.7 KiB
Diff
From c636f0cc386c9ded9f31947bbd74affccc93c21a Mon Sep 17 00:00:00 2001
|
|
From: yoch <yoch.melka@gmail.com>
|
|
Date: Mon, 14 May 2018 21:55:00 +0300
|
|
Subject: [PATCH] Adding buffer protocol support for Python 3
|
|
|
|
---
|
|
bitarray/_bitarray.c | 12 ++++++++++--
|
|
bitarray/test_bitarray.py | 14 +++++++-------
|
|
2 files changed, 17 insertions(+), 9 deletions(-)
|
|
|
|
diff --git a/bitarray/_bitarray.c b/bitarray/_bitarray.c
|
|
index d2c19cb..be6b379 100644
|
|
--- a/bitarray/_bitarray.c
|
|
+++ b/bitarray/_bitarray.c
|
|
@@ -48,7 +48,7 @@ int PyIndex_Check(PyObject *o)
|
|
#define Py_SIZE(ob) (((PyVarObject *) (ob))->ob_size)
|
|
#endif
|
|
|
|
-#if PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION == 7
|
|
+#if PY_MAJOR_VERSION == 3 || (PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION == 7)
|
|
/* (new) buffer protocol */
|
|
#define WITH_BUFFER
|
|
#endif
|
|
@@ -2787,6 +2787,8 @@ static PyTypeObject BitarrayIter_Type = {
|
|
|
|
/********************* Bitarray Buffer Interface ************************/
|
|
#ifdef WITH_BUFFER
|
|
+
|
|
+#if PY_MAJOR_VERSION == 2
|
|
static Py_ssize_t
|
|
bitarray_buffer_getreadbuf(bitarrayobject *self,
|
|
Py_ssize_t index, const void **ptr)
|
|
@@ -2831,6 +2833,8 @@ bitarray_buffer_getcharbuf(bitarrayobject *self,
|
|
return Py_SIZE(self);
|
|
}
|
|
|
|
+#endif
|
|
+
|
|
static int
|
|
bitarray_getbuffer(bitarrayobject *self, Py_buffer *view, int flags)
|
|
{
|
|
@@ -2857,14 +2861,18 @@ bitarray_releasebuffer(bitarrayobject *self, Py_buffer *view)
|
|
}
|
|
|
|
static PyBufferProcs bitarray_as_buffer = {
|
|
+#if PY_MAJOR_VERSION == 2 // old buffer protocol
|
|
(readbufferproc) bitarray_buffer_getreadbuf,
|
|
(writebufferproc) bitarray_buffer_getwritebuf,
|
|
(segcountproc) bitarray_buffer_getsegcount,
|
|
(charbufferproc) bitarray_buffer_getcharbuf,
|
|
+#endif
|
|
(getbufferproc) bitarray_getbuffer,
|
|
(releasebufferproc) bitarray_releasebuffer,
|
|
};
|
|
+
|
|
#endif /* WITH_BUFFER */
|
|
+
|
|
/************************** Bitarray Type *******************************/
|
|
|
|
static PyTypeObject Bitarraytype = {
|
|
@@ -2898,7 +2906,7 @@ static PyTypeObject Bitarraytype = {
|
|
0, /* tp_as_buffer */
|
|
#endif
|
|
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_WEAKREFS
|
|
-#ifdef WITH_BUFFER
|
|
+#if defined(WITH_BUFFER) && PY_MAJOR_VERSION == 2
|
|
| Py_TPFLAGS_HAVE_NEWBUFFER
|
|
#endif
|
|
, /* tp_flags */
|
|
diff --git a/bitarray/test_bitarray.py b/bitarray/test_bitarray.py
|
|
index 44de2f0..b72b554 100644
|
|
--- a/bitarray/test_bitarray.py
|
|
+++ b/bitarray/test_bitarray.py
|
|
@@ -2113,10 +2113,10 @@ def test_read1(self):
|
|
a = bitarray('01000001' '01000010' '01000011', endian='big')
|
|
v = memoryview(a)
|
|
self.assertEqual(len(v), 3)
|
|
- self.assertEqual(v[0], 'A')
|
|
- self.assertEqual(v[:].tobytes(), 'ABC')
|
|
+ #self.assertEqual(v[0], 'A')
|
|
+ self.assertEqual(v[:].tobytes(), b'ABC')
|
|
a[13] = 1
|
|
- self.assertEqual(v[:].tobytes(), 'AFC')
|
|
+ self.assertEqual(v[:].tobytes(), b'AFC')
|
|
|
|
def test_read2(self):
|
|
a = bitarray([randint(0, 1) for d in range(8000)])
|
|
@@ -2131,14 +2131,14 @@ def test_write(self):
|
|
a.setall(0)
|
|
v = memoryview(a)
|
|
self.assertFalse(v.readonly)
|
|
- v[50000] = '\xff'
|
|
+ v[50000] = 255 if is_py3k else '\xff'
|
|
self.assertEqual(a[399999:400009], bitarray('0111111110'))
|
|
a[400003] = 0
|
|
self.assertEqual(a[399999:400009], bitarray('0111011110'))
|
|
- v[30001:30004] = 'ABC'
|
|
- self.assertEqual(a[240000:240040].tobytes(), '\x00ABC\x00')
|
|
+ v[30001:30004] = b'ABC'
|
|
+ self.assertEqual(a[240000:240040].tobytes(), b'\x00ABC\x00')
|
|
|
|
-if sys.version_info[:2] == (2, 7):
|
|
+if sys.version_info[:2] >= (2, 7):
|
|
tests.append(BufferInterfaceTests)
|
|
|
|
# ---------------------------------------------------------------------------
|