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|
/*[clinic input]
preserve
[clinic start generated code]*/
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
# include "pycore_gc.h" // PyGC_Head
# include "pycore_runtime.h" // _Py_ID()
#endif
#include "pycore_modsupport.h" // _PyArg_UnpackKeywords()
PyDoc_STRVAR(_zstd_ZstdCompressor___init____doc__,
"ZstdCompressor(level=None, options=None, zstd_dict=None)\n"
"--\n"
"\n"
"Create a compressor object for compressing data incrementally.\n"
"\n"
" level\n"
" The compression level to use, defaults to ZSTD_CLEVEL_DEFAULT.\n"
" options\n"
" A dict object that contains advanced compression parameters.\n"
" zstd_dict\n"
" A ZstdDict object, a pre-trained zstd dictionary.\n"
"\n"
"Thread-safe at method level. For one-shot compression, use the compress()\n"
"function instead.");
static int
_zstd_ZstdCompressor___init___impl(ZstdCompressor *self, PyObject *level,
PyObject *options, PyObject *zstd_dict);
static int
_zstd_ZstdCompressor___init__(PyObject *self, PyObject *args, PyObject *kwargs)
{
int return_value = -1;
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#define NUM_KEYWORDS 3
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
Py_hash_t ob_hash;
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_hash = -1,
.ob_item = { &_Py_ID(level), &_Py_ID(options), &_Py_ID(zstd_dict), },
};
#undef NUM_KEYWORDS
#define KWTUPLE (&_kwtuple.ob_base.ob_base)
#else // !Py_BUILD_CORE
# define KWTUPLE NULL
#endif // !Py_BUILD_CORE
static const char * const _keywords[] = {"level", "options", "zstd_dict", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "ZstdCompressor",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[3];
PyObject * const *fastargs;
Py_ssize_t nargs = PyTuple_GET_SIZE(args);
Py_ssize_t noptargs = nargs + (kwargs ? PyDict_GET_SIZE(kwargs) : 0) - 0;
PyObject *level = Py_None;
PyObject *options = Py_None;
PyObject *zstd_dict = Py_None;
fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser,
/*minpos*/ 0, /*maxpos*/ 3, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
if (!fastargs) {
goto exit;
}
if (!noptargs) {
goto skip_optional_pos;
}
if (fastargs[0]) {
level = fastargs[0];
if (!--noptargs) {
goto skip_optional_pos;
}
}
if (fastargs[1]) {
options = fastargs[1];
if (!--noptargs) {
goto skip_optional_pos;
}
}
zstd_dict = fastargs[2];
skip_optional_pos:
return_value = _zstd_ZstdCompressor___init___impl((ZstdCompressor *)self, level, options, zstd_dict);
exit:
return return_value;
}
PyDoc_STRVAR(_zstd_ZstdCompressor_compress__doc__,
"compress($self, /, data, mode=ZstdCompressor.CONTINUE)\n"
"--\n"
"\n"
"Provide data to the compressor object.\n"
"\n"
" mode\n"
" Can be these 3 values ZstdCompressor.CONTINUE,\n"
" ZstdCompressor.FLUSH_BLOCK, ZstdCompressor.FLUSH_FRAME\n"
"\n"
"Return a chunk of compressed data if possible, or b\'\' otherwise. When you have\n"
"finished providing data to the compressor, call the flush() method to finish\n"
"the compression process.");
#define _ZSTD_ZSTDCOMPRESSOR_COMPRESS_METHODDEF \
{"compress", _PyCFunction_CAST(_zstd_ZstdCompressor_compress), METH_FASTCALL|METH_KEYWORDS, _zstd_ZstdCompressor_compress__doc__},
static PyObject *
_zstd_ZstdCompressor_compress_impl(ZstdCompressor *self, Py_buffer *data,
int mode);
static PyObject *
_zstd_ZstdCompressor_compress(PyObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
PyObject *return_value = NULL;
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#define NUM_KEYWORDS 2
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
Py_hash_t ob_hash;
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_hash = -1,
.ob_item = { &_Py_ID(data), &_Py_ID(mode), },
};
#undef NUM_KEYWORDS
#define KWTUPLE (&_kwtuple.ob_base.ob_base)
#else // !Py_BUILD_CORE
# define KWTUPLE NULL
#endif // !Py_BUILD_CORE
static const char * const _keywords[] = {"data", "mode", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "compress",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[2];
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
Py_buffer data = {NULL, NULL};
int mode = ZSTD_e_continue;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
/*minpos*/ 1, /*maxpos*/ 2, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
if (!args) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &data, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!noptargs) {
goto skip_optional_pos;
}
mode = PyLong_AsInt(args[1]);
if (mode == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional_pos:
return_value = _zstd_ZstdCompressor_compress_impl((ZstdCompressor *)self, &data, mode);
exit:
/* Cleanup for data */
if (data.obj) {
PyBuffer_Release(&data);
}
return return_value;
}
PyDoc_STRVAR(_zstd_ZstdCompressor_flush__doc__,
"flush($self, /, mode=ZstdCompressor.FLUSH_FRAME)\n"
"--\n"
"\n"
"Finish the compression process.\n"
"\n"
" mode\n"
" Can be these 2 values ZstdCompressor.FLUSH_FRAME,\n"
" ZstdCompressor.FLUSH_BLOCK\n"
"\n"
"Flush any remaining data left in internal buffers. Since zstd data consists\n"
"of one or more independent frames, the compressor object can still be used\n"
"after this method is called.");
#define _ZSTD_ZSTDCOMPRESSOR_FLUSH_METHODDEF \
{"flush", _PyCFunction_CAST(_zstd_ZstdCompressor_flush), METH_FASTCALL|METH_KEYWORDS, _zstd_ZstdCompressor_flush__doc__},
static PyObject *
_zstd_ZstdCompressor_flush_impl(ZstdCompressor *self, int mode);
static PyObject *
_zstd_ZstdCompressor_flush(PyObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
PyObject *return_value = NULL;
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#define NUM_KEYWORDS 1
static struct {
PyGC_Head _this_is_not_used;
PyObject_VAR_HEAD
Py_hash_t ob_hash;
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_hash = -1,
.ob_item = { &_Py_ID(mode), },
};
#undef NUM_KEYWORDS
#define KWTUPLE (&_kwtuple.ob_base.ob_base)
#else // !Py_BUILD_CORE
# define KWTUPLE NULL
#endif // !Py_BUILD_CORE
static const char * const _keywords[] = {"mode", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "flush",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[1];
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
int mode = ZSTD_e_end;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
/*minpos*/ 0, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
if (!args) {
goto exit;
}
if (!noptargs) {
goto skip_optional_pos;
}
mode = PyLong_AsInt(args[0]);
if (mode == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional_pos:
return_value = _zstd_ZstdCompressor_flush_impl((ZstdCompressor *)self, mode);
exit:
return return_value;
}
/*[clinic end generated code: output=ef69eab155be39f6 input=a9049054013a1b77]*/
|
