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Python: use a new output buffer code (#902)

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Currently, the output buffer is a std::vector<uint8_t>.
When the buffer grows, resizing will cause unnecessary memcpy().

This change uses a list of bytes object to represent output buffer, can avoid the extra overhead of resizing.
In addition, C++ code can be removed, it's a pure C extension.
This commit is contained in:
Ma Lin 2022-12-29 21:07:16 +08:00 committed by GitHub
parent 509d4419bd
commit c8df4b3049
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 399 additions and 177 deletions
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524
python/_brotli.cc → python/_brotli.c
View File

@ -6,15 +6,206 @@
#include <brotli/decode.h>
#include <brotli/encode.h>
#include <vector>
#if PY_MAJOR_VERSION >= 3
#define PyInt_Check PyLong_Check
#define PyInt_AsLong PyLong_AsLong
#else
#define Py_ARRAY_LENGTH(array) (sizeof(array) / sizeof((array)[0]))
#endif
static PyObject *BrotliError;
/* -----------------------------------
BlocksOutputBuffer code
----------------------------------- */
typedef struct {
/* List of blocks */
PyObject *list;
/* Number of whole allocated size. */
Py_ssize_t allocated;
} BlocksOutputBuffer;
static const char unable_allocate_msg[] = "Unable to allocate output buffer.";
/* Block size sequence */
#define KB (1024)
#define MB (1024*1024)
static const Py_ssize_t BUFFER_BLOCK_SIZE[] =
{ 32*KB, 64*KB, 256*KB, 1*MB, 4*MB, 8*MB, 16*MB, 16*MB,
32*MB, 32*MB, 32*MB, 32*MB, 64*MB, 64*MB, 128*MB, 128*MB,
256*MB };
#undef KB
#undef MB
/* According to the block sizes defined by BUFFER_BLOCK_SIZE, the whole
allocated size growth step is:
1 32 KB +32 KB
2 96 KB +64 KB
3 352 KB +256 KB
4 1.34 MB +1 MB
5 5.34 MB +4 MB
6 13.34 MB +8 MB
7 29.34 MB +16 MB
8 45.34 MB +16 MB
9 77.34 MB +32 MB
10 109.34 MB +32 MB
11 141.34 MB +32 MB
12 173.34 MB +32 MB
13 237.34 MB +64 MB
14 301.34 MB +64 MB
15 429.34 MB +128 MB
16 557.34 MB +128 MB
17 813.34 MB +256 MB
18 1069.34 MB +256 MB
19 1325.34 MB +256 MB
20 1581.34 MB +256 MB
21 1837.34 MB +256 MB
22 2093.34 MB +256 MB
...
*/
/* Initialize the buffer, and grow the buffer.
Return 0 on success
Return -1 on failure
*/
static inline int
BlocksOutputBuffer_InitAndGrow(BlocksOutputBuffer *buffer,
size_t *avail_out, uint8_t **next_out)
{
PyObject *b;
const Py_ssize_t block_size = BUFFER_BLOCK_SIZE[0];
// Ensure .list was set to NULL, for BlocksOutputBuffer_OnError().
assert(buffer->list == NULL);
// The first block
b = PyBytes_FromStringAndSize(NULL, block_size);
if (b == NULL) {
return -1;
}
// Create list
buffer->list = PyList_New(1);
if (buffer->list == NULL) {
Py_DECREF(b);
return -1;
}
PyList_SET_ITEM(buffer->list, 0, b);
// Set variables
buffer->allocated = block_size;
*avail_out = (size_t) block_size;
*next_out = (uint8_t*) PyBytes_AS_STRING(b);
return 0;
}
/* Grow the buffer. The avail_out must be 0, please check it before calling.
Return 0 on success
Return -1 on failure
*/
static inline int
BlocksOutputBuffer_Grow(BlocksOutputBuffer *buffer,
size_t *avail_out, uint8_t **next_out)
{
PyObject *b;
const Py_ssize_t list_len = Py_SIZE(buffer->list);
Py_ssize_t block_size;
// Ensure no gaps in the data
assert(*avail_out == 0);
// Get block size
if (list_len < (Py_ssize_t) Py_ARRAY_LENGTH(BUFFER_BLOCK_SIZE)) {
block_size = BUFFER_BLOCK_SIZE[list_len];
} else {
block_size = BUFFER_BLOCK_SIZE[Py_ARRAY_LENGTH(BUFFER_BLOCK_SIZE) - 1];
}
// Check buffer->allocated overflow
if (block_size > PY_SSIZE_T_MAX - buffer->allocated) {
PyErr_SetString(PyExc_MemoryError, unable_allocate_msg);
return -1;
}
// Create the block
b = PyBytes_FromStringAndSize(NULL, block_size);
if (b == NULL) {
PyErr_SetString(PyExc_MemoryError, unable_allocate_msg);
return -1;
}
if (PyList_Append(buffer->list, b) < 0) {
Py_DECREF(b);
return -1;
}
Py_DECREF(b);
// Set variables
buffer->allocated += block_size;
*avail_out = (size_t) block_size;
*next_out = (uint8_t*) PyBytes_AS_STRING(b);
return 0;
}
/* Finish the buffer.
Return a bytes object on success
Return NULL on failure
*/
static inline PyObject *
BlocksOutputBuffer_Finish(BlocksOutputBuffer *buffer, size_t avail_out)
{
PyObject *result, *block;
const Py_ssize_t list_len = Py_SIZE(buffer->list);
// Fast path for single block
if ((list_len == 1 && avail_out == 0) ||
(list_len == 2 && Py_SIZE(PyList_GET_ITEM(buffer->list, 1)) == (Py_ssize_t) avail_out))
{
block = PyList_GET_ITEM(buffer->list, 0);
Py_INCREF(block);
Py_CLEAR(buffer->list);
return block;
}
// Final bytes object
result = PyBytes_FromStringAndSize(NULL, buffer->allocated - avail_out);
if (result == NULL) {
PyErr_SetString(PyExc_MemoryError, unable_allocate_msg);
return NULL;
}
// Memory copy
if (list_len > 0) {
char *posi = PyBytes_AS_STRING(result);
// Blocks except the last one
Py_ssize_t i = 0;
for (; i < list_len-1; i++) {
block = PyList_GET_ITEM(buffer->list, i);
memcpy(posi, PyBytes_AS_STRING(block), Py_SIZE(block));
posi += Py_SIZE(block);
}
// The last block
block = PyList_GET_ITEM(buffer->list, i);
memcpy(posi, PyBytes_AS_STRING(block), Py_SIZE(block) - avail_out);
} else {
assert(Py_SIZE(result) == 0);
}
Py_CLEAR(buffer->list);
return result;
}
/* Clean up the buffer */
static inline void
BlocksOutputBuffer_OnError(BlocksOutputBuffer *buffer)
{
Py_CLEAR(buffer->list);
}
static int as_bounded_int(PyObject *o, int* result, int lower_bound, int upper_bound) {
long value = PyInt_AsLong(o);
if ((value < (long) lower_bound) || (value > (long) upper_bound)) {
@ -88,39 +279,52 @@ static int lgblock_convertor(PyObject *o, int *lgblock) {
return 1;
}
static BROTLI_BOOL compress_stream(BrotliEncoderState* enc, BrotliEncoderOperation op,
std::vector<uint8_t>* output,
uint8_t* input, size_t input_length) {
BROTLI_BOOL ok = BROTLI_TRUE;
Py_BEGIN_ALLOW_THREADS
static PyObject* compress_stream(BrotliEncoderState* enc, BrotliEncoderOperation op,
uint8_t* input, size_t input_length) {
BROTLI_BOOL ok;
size_t available_in = input_length;
const uint8_t* next_in = input;
size_t available_out = 0;
uint8_t* next_out = NULL;
while (ok) {
size_t available_out;
uint8_t* next_out;
BlocksOutputBuffer buffer = {.list=NULL};
PyObject *ret;
if (BlocksOutputBuffer_InitAndGrow(&buffer, &available_out, &next_out) < 0) {
goto error;
}
while (1) {
Py_BEGIN_ALLOW_THREADS
ok = BrotliEncoderCompressStream(enc, op,
&available_in, &next_in,
&available_out, &next_out, NULL);
if (!ok)
break;
size_t buffer_length = 0; // Request all available output.
const uint8_t* buffer = BrotliEncoderTakeOutput(enc, &buffer_length);
if (buffer_length) {
(*output).insert((*output).end(), buffer, buffer + buffer_length);
Py_END_ALLOW_THREADS
if (!ok) {
goto error;
}
if (available_in || BrotliEncoderHasMoreOutput(enc)) {
if (available_out == 0) {
if (BlocksOutputBuffer_Grow(&buffer, &available_out, &next_out) < 0) {
goto error;
}
}
continue;
}
break;
}
Py_END_ALLOW_THREADS
return ok;
ret = BlocksOutputBuffer_Finish(&buffer, available_out);
if (ret != NULL) {
return ret;
}
error:
BlocksOutputBuffer_OnError(&buffer);
return NULL;
}
PyDoc_STRVAR(brotli_Compressor_doc,
@ -179,7 +383,7 @@ static int brotli_Compressor_init(brotli_Compressor *self, PyObject *args, PyObj
static const char *kwlist[] = {"mode", "quality", "lgwin", "lgblock", NULL};
ok = PyArg_ParseTupleAndKeywords(args, keywds, "|O&O&O&O&:Compressor",
const_cast<char **>(kwlist),
(char **) kwlist,
&mode_convertor, &mode,
&quality_convertor, &quality,
&lgwin_convertor, &lgwin,
@ -222,36 +426,37 @@ PyDoc_STRVAR(brotli_Compressor_process_doc,
" brotli.error: If compression fails\n");
static PyObject* brotli_Compressor_process(brotli_Compressor *self, PyObject *args) {
PyObject* ret = NULL;
std::vector<uint8_t> output;
PyObject* ret;
Py_buffer input;
BROTLI_BOOL ok = BROTLI_TRUE;
int ok;
#if PY_MAJOR_VERSION >= 3
ok = (BROTLI_BOOL)PyArg_ParseTuple(args, "y*:process", &input);
ok = PyArg_ParseTuple(args, "y*:process", &input);
#else
ok = (BROTLI_BOOL)PyArg_ParseTuple(args, "s*:process", &input);
ok = PyArg_ParseTuple(args, "s*:process", &input);
#endif
if (!ok)
if (!ok) {
return NULL;
}
if (!self->enc) {
ok = BROTLI_FALSE;
goto end;
goto error;
}
ok = compress_stream(self->enc, BROTLI_OPERATION_PROCESS,
&output, static_cast<uint8_t*>(input.buf), input.len);
ret = compress_stream(self->enc, BROTLI_OPERATION_PROCESS,
(uint8_t*) input.buf, input.len);
if (ret != NULL) {
goto finally;
}
end:
error:
PyErr_SetString(BrotliError,
"BrotliEncoderCompressStream failed while processing the stream");
ret = NULL;
finally:
PyBuffer_Release(&input);
if (ok) {
ret = PyBytes_FromStringAndSize((char*)(output.size() ? &output[0] : NULL), output.size());
} else {
PyErr_SetString(BrotliError, "BrotliEncoderCompressStream failed while processing the stream");
}
return ret;
}
@ -270,25 +475,23 @@ PyDoc_STRVAR(brotli_Compressor_flush_doc,
" brotli.error: If compression fails\n");
static PyObject* brotli_Compressor_flush(brotli_Compressor *self) {
PyObject *ret = NULL;
std::vector<uint8_t> output;
BROTLI_BOOL ok = BROTLI_TRUE;
PyObject *ret;
if (!self->enc) {
ok = BROTLI_FALSE;
goto end;
goto error;
}
ok = compress_stream(self->enc, BROTLI_OPERATION_FLUSH,
&output, NULL, 0);
end:
if (ok) {
ret = PyBytes_FromStringAndSize((char*)(output.size() ? &output[0] : NULL), output.size());
} else {
PyErr_SetString(BrotliError, "BrotliEncoderCompressStream failed while flushing the stream");
ret = compress_stream(self->enc, BROTLI_OPERATION_FLUSH,
NULL, 0);
if (ret != NULL) {
goto finally;
}
error:
PyErr_SetString(BrotliError,
"BrotliEncoderCompressStream failed while flushing the stream");
ret = NULL;
finally:
return ret;
}
@ -310,29 +513,25 @@ PyDoc_STRVAR(brotli_Compressor_finish_doc,
" brotli.error: If compression fails\n");
static PyObject* brotli_Compressor_finish(brotli_Compressor *self) {
PyObject *ret = NULL;
std::vector<uint8_t> output;
BROTLI_BOOL ok = BROTLI_TRUE;
PyObject *ret;
if (!self->enc) {
ok = BROTLI_FALSE;
goto end;
goto error;
}
ok = compress_stream(self->enc, BROTLI_OPERATION_FINISH,
&output, NULL, 0);
ret = compress_stream(self->enc, BROTLI_OPERATION_FINISH,
NULL, 0);
if (ok) {
ok = BrotliEncoderIsFinished(self->enc);
}
end:
if (ok) {
ret = PyBytes_FromStringAndSize((char*)(output.empty() ? NULL : &output[0]), output.size());
} else {
PyErr_SetString(BrotliError, "BrotliEncoderCompressStream failed while finishing the stream");
if (ret == NULL || !BrotliEncoderIsFinished(self->enc)) {
goto error;
}
goto finally;
error:
PyErr_SetString(BrotliError,
"BrotliEncoderCompressStream failed while finishing the stream");
ret = NULL;
finally:
return ret;
}
@ -393,32 +592,55 @@ static PyTypeObject brotli_CompressorType = {
brotli_Compressor_new, /* tp_new */
};
static BROTLI_BOOL decompress_stream(BrotliDecoderState* dec,
std::vector<uint8_t>* output,
uint8_t* input, size_t input_length) {
BROTLI_BOOL ok = BROTLI_TRUE;
Py_BEGIN_ALLOW_THREADS
static PyObject* decompress_stream(BrotliDecoderState* dec,
uint8_t* input, size_t input_length) {
BrotliDecoderResult result;
size_t available_in = input_length;
const uint8_t* next_in = input;
size_t available_out = 0;
uint8_t* next_out = NULL;
BrotliDecoderResult result = BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT;
while (result == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) {
size_t available_out;
uint8_t* next_out;
BlocksOutputBuffer buffer = {.list=NULL};
PyObject *ret;
if (BlocksOutputBuffer_InitAndGrow(&buffer, &available_out, &next_out) < 0) {
goto error;
}
while (1) {
Py_BEGIN_ALLOW_THREADS
result = BrotliDecoderDecompressStream(dec,
&available_in, &next_in,
&available_out, &next_out, NULL);
size_t buffer_length = 0; // Request all available output.
const uint8_t* buffer = BrotliDecoderTakeOutput(dec, &buffer_length);
if (buffer_length) {
(*output).insert((*output).end(), buffer, buffer + buffer_length);
}
}
ok = result != BROTLI_DECODER_RESULT_ERROR && !available_in;
Py_END_ALLOW_THREADS
Py_END_ALLOW_THREADS
return ok;
if (result == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) {
if (available_out == 0) {
if (BlocksOutputBuffer_Grow(&buffer, &available_out, &next_out) < 0) {
goto error;
}
}
continue;
}
break;
}
if (result == BROTLI_DECODER_RESULT_ERROR || available_in != 0) {
goto error;
}
ret = BlocksOutputBuffer_Finish(&buffer, available_out);
if (ret != NULL) {
goto finally;
}
error:
BlocksOutputBuffer_OnError(&buffer);
ret = NULL;
finally:
return ret;
}
PyDoc_STRVAR(brotli_Decompressor_doc,
@ -461,7 +683,7 @@ static int brotli_Decompressor_init(brotli_Decompressor *self, PyObject *args, P
static const char *kwlist[] = {NULL};
ok = PyArg_ParseTupleAndKeywords(args, keywds, "|:Decompressor",
const_cast<char **>(kwlist));
(char **) kwlist);
if (!ok)
return -1;
if (!self->dec)
@ -491,35 +713,36 @@ PyDoc_STRVAR(brotli_Decompressor_process_doc,
" brotli.error: If decompression fails\n");
static PyObject* brotli_Decompressor_process(brotli_Decompressor *self, PyObject *args) {
PyObject* ret = NULL;
std::vector<uint8_t> output;
PyObject* ret;
Py_buffer input;
BROTLI_BOOL ok = BROTLI_TRUE;
int ok;
#if PY_MAJOR_VERSION >= 3
ok = (BROTLI_BOOL)PyArg_ParseTuple(args, "y*:process", &input);
ok = PyArg_ParseTuple(args, "y*:process", &input);
#else
ok = (BROTLI_BOOL)PyArg_ParseTuple(args, "s*:process", &input);
ok = PyArg_ParseTuple(args, "s*:process", &input);
#endif
if (!ok)
if (!ok) {
return NULL;
}
if (!self->dec) {
ok = BROTLI_FALSE;
goto end;
goto error;
}
ok = decompress_stream(self->dec, &output, static_cast<uint8_t*>(input.buf), input.len);
ret = decompress_stream(self->dec, (uint8_t*) input.buf, input.len);
if (ret != NULL) {
goto finally;
}
end:
error:
PyErr_SetString(BrotliError,
"BrotliDecoderDecompressStream failed while processing the stream");
ret = NULL;
finally:
PyBuffer_Release(&input);
if (ok) {
ret = PyBytes_FromStringAndSize((char*)(output.empty() ? NULL : &output[0]), output.size());
} else {
PyErr_SetString(BrotliError, "BrotliDecoderDecompressStream failed while processing the stream");
}
return ret;
}
@ -538,14 +761,9 @@ PyDoc_STRVAR(brotli_Decompressor_is_finished_doc,
" brotli.error: If decompression fails\n");
static PyObject* brotli_Decompressor_is_finished(brotli_Decompressor *self) {
PyObject *ret = NULL;
std::vector<uint8_t> output;
BROTLI_BOOL ok = BROTLI_TRUE;
if (!self->dec) {
ok = BROTLI_FALSE;
PyErr_SetString(BrotliError, "BrotliDecoderState is NULL while checking is_finished");
goto end;
return NULL;
}
if (BrotliDecoderIsFinished(self->dec)) {
@ -553,15 +771,6 @@ static PyObject* brotli_Decompressor_is_finished(brotli_Decompressor *self) {
} else {
Py_RETURN_FALSE;
}
end:
if (ok) {
ret = PyBytes_FromStringAndSize((char*)(output.empty() ? NULL : &output[0]), output.size());
} else {
PyErr_SetString(BrotliError, "BrotliDecoderDecompressStream failed while finishing the stream");
}
return ret;
}
static PyMemberDef brotli_Decompressor_members[] = {
@ -636,56 +845,77 @@ PyDoc_STRVAR(brotli_decompress__doc__,
" brotli.error: If decompressor fails.\n");
static PyObject* brotli_decompress(PyObject *self, PyObject *args, PyObject *keywds) {
PyObject *ret = NULL;
Py_buffer input;
BrotliDecoderState* state;
BrotliDecoderResult result;
const uint8_t* next_in;
size_t available_in;
int ok;
uint8_t* next_out;
size_t available_out;
BlocksOutputBuffer buffer = {.list=NULL};
PyObject *ret;
static const char *kwlist[] = {"string", NULL};
Py_buffer input;
int ok;
#if PY_MAJOR_VERSION >= 3
ok = PyArg_ParseTupleAndKeywords(args, keywds, "y*|:decompress",
const_cast<char **>(kwlist), &input);
(char**) kwlist, &input);
#else
ok = PyArg_ParseTupleAndKeywords(args, keywds, "s*|:decompress",
const_cast<char **>(kwlist), &input);
(char**) kwlist, &input);
#endif
if (!ok)
if (!ok) {
return NULL;
}
std::vector<uint8_t> output;
state = BrotliDecoderCreateInstance(0, 0, 0);
/* >>> Pure C block; release python GIL. */
Py_BEGIN_ALLOW_THREADS
BrotliDecoderState* state = BrotliDecoderCreateInstance(0, 0, 0);
BrotliDecoderResult result = BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT;
next_in = static_cast<uint8_t*>(input.buf);
next_in = (uint8_t*) input.buf;
available_in = input.len;
while (result == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) {
size_t available_out = 0;
if (BlocksOutputBuffer_InitAndGrow(&buffer, &available_out, &next_out) < 0) {
goto error;
}
while (1) {
Py_BEGIN_ALLOW_THREADS
result = BrotliDecoderDecompressStream(state, &available_in, &next_in,
&available_out, 0, 0);
const uint8_t* next_out = BrotliDecoderTakeOutput(state, &available_out);
if (available_out != 0)
output.insert(output.end(), next_out, next_out + available_out);
&available_out, &next_out, 0);
Py_END_ALLOW_THREADS
if (result == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) {
if (available_out == 0) {
if (BlocksOutputBuffer_Grow(&buffer, &available_out, &next_out) < 0) {
goto error;
}
}
continue;
}
break;
}
ok = result == BROTLI_DECODER_RESULT_SUCCESS && !available_in;
if (result != BROTLI_DECODER_RESULT_SUCCESS || available_in != 0) {
goto error;
}
ret = BlocksOutputBuffer_Finish(&buffer, available_out);
if (ret != NULL) {
goto finally;
}
error:
BlocksOutputBuffer_OnError(&buffer);
PyErr_SetString(BrotliError, "BrotliDecompress failed");
ret = NULL;
finally:
BrotliDecoderDestroyInstance(state);
Py_END_ALLOW_THREADS
/* <<< Pure C block end. Python GIL reacquired. */
PyBuffer_Release(&input);
if (ok) {
ret = PyBytes_FromStringAndSize((char*)(output.size() ? &output[0] : NULL), output.size());
} else {
PyErr_SetString(BrotliError, "BrotliDecompress failed");
}
return ret;
}

52
setup.py
View File

@ -71,40 +71,33 @@ class BuildExt(build_ext):
log.info("building '%s' extension", ext.name)
c_sources = []
cxx_sources = []
for source in ext.sources:
if source.endswith('.c'):
c_sources.append(source)
else:
cxx_sources.append(source)
extra_args = ext.extra_compile_args or []
objects = []
for lang, sources in (('c', c_sources), ('c++', cxx_sources)):
if lang == 'c++':
if self.compiler.compiler_type == 'msvc':
extra_args.append('/EHsc')
macros = ext.define_macros[:]
if platform.system() == 'Darwin':
macros.append(('OS_MACOSX', '1'))
elif self.compiler.compiler_type == 'mingw32':
# On Windows Python 2.7, pyconfig.h defines "hypot" as "_hypot",
# This clashes with GCC's cmath, and causes compilation errors when
# building under MinGW: http://bugs.python.org/issue11566
macros.append(('_hypot', 'hypot'))
for undef in ext.undef_macros:
macros.append((undef,))
macros = ext.define_macros[:]
if platform.system() == 'Darwin':
macros.append(('OS_MACOSX', '1'))
elif self.compiler.compiler_type == 'mingw32':
# On Windows Python 2.7, pyconfig.h defines "hypot" as "_hypot",
# This clashes with GCC's cmath, and causes compilation errors when
# building under MinGW: http://bugs.python.org/issue11566
macros.append(('_hypot', 'hypot'))
for undef in ext.undef_macros:
macros.append((undef,))
objs = self.compiler.compile(
sources,
output_dir=self.build_temp,
macros=macros,
include_dirs=ext.include_dirs,
debug=self.debug,
extra_postargs=extra_args,
depends=ext.depends)
objects.extend(objs)
objs = self.compiler.compile(
c_sources,
output_dir=self.build_temp,
macros=macros,
include_dirs=ext.include_dirs,
debug=self.debug,
extra_postargs=extra_args,
depends=ext.depends)
objects.extend(objs)
self._built_objects = objects[:]
if ext.extra_objects:
@ -117,7 +110,7 @@ class BuildExt(build_ext):
ext_path = self.get_ext_fullpath(ext.name)
# Detect target language, if not provided
language = ext.language or self.compiler.detect_language(sources)
language = ext.language or self.compiler.detect_language(c_sources)
self.compiler.link_shared_object(
objects,
@ -180,7 +173,7 @@ EXT_MODULES = [
Extension(
'_brotli',
sources=[
'python/_brotli.cc',
'python/_brotli.c',
'c/common/constants.c',
'c/common/context.c',
'c/common/dictionary.c',
@ -271,8 +264,7 @@ EXT_MODULES = [
],
include_dirs=[
'c/include',
],
language='c++'),
]),
]
TEST_SUITE = 'setup.get_test_suite'