diff options
Diffstat (limited to 'Modules/_zstd/clinic/compressor.c.h')
-rw-r--r-- | Modules/_zstd/clinic/compressor.c.h | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/Modules/_zstd/clinic/compressor.c.h b/Modules/_zstd/clinic/compressor.c.h new file mode 100644 index 00000000000..d7909cdf89f --- /dev/null +++ b/Modules/_zstd/clinic/compressor.c.h @@ -0,0 +1,255 @@ +/*[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]*/ |