mirror of
https://github.com/python/cpython.git
synced 2025-08-04 08:59:19 +00:00
225 lines
8.4 KiB
C
Generated
225 lines
8.4 KiB
C
Generated
/*[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_ZstdDict_new__doc__,
|
|
"ZstdDict(dict_content, /, *, is_raw=False)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Represents a Zstandard dictionary.\n"
|
|
"\n"
|
|
" dict_content\n"
|
|
" The content of a Zstandard dictionary as a bytes-like object.\n"
|
|
" is_raw\n"
|
|
" If true, perform no checks on *dict_content*, useful for some\n"
|
|
" advanced cases. Otherwise, check that the content represents\n"
|
|
" a Zstandard dictionary created by the zstd library or CLI.\n"
|
|
"\n"
|
|
"The dictionary can be used for compression or decompression, and can be shared\n"
|
|
"by multiple ZstdCompressor or ZstdDecompressor objects.");
|
|
|
|
static PyObject *
|
|
_zstd_ZstdDict_new_impl(PyTypeObject *type, Py_buffer *dict_content,
|
|
int is_raw);
|
|
|
|
static PyObject *
|
|
_zstd_ZstdDict_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
|
|
{
|
|
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(is_raw), },
|
|
};
|
|
#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[] = {"", "is_raw", NULL};
|
|
static _PyArg_Parser _parser = {
|
|
.keywords = _keywords,
|
|
.fname = "ZstdDict",
|
|
.kwtuple = KWTUPLE,
|
|
};
|
|
#undef KWTUPLE
|
|
PyObject *argsbuf[2];
|
|
PyObject * const *fastargs;
|
|
Py_ssize_t nargs = PyTuple_GET_SIZE(args);
|
|
Py_ssize_t noptargs = nargs + (kwargs ? PyDict_GET_SIZE(kwargs) : 0) - 1;
|
|
Py_buffer dict_content = {NULL, NULL};
|
|
int is_raw = 0;
|
|
|
|
fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser,
|
|
/*minpos*/ 1, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
|
|
if (!fastargs) {
|
|
goto exit;
|
|
}
|
|
if (PyObject_GetBuffer(fastargs[0], &dict_content, PyBUF_SIMPLE) != 0) {
|
|
goto exit;
|
|
}
|
|
if (!noptargs) {
|
|
goto skip_optional_kwonly;
|
|
}
|
|
is_raw = PyObject_IsTrue(fastargs[1]);
|
|
if (is_raw < 0) {
|
|
goto exit;
|
|
}
|
|
skip_optional_kwonly:
|
|
return_value = _zstd_ZstdDict_new_impl(type, &dict_content, is_raw);
|
|
|
|
exit:
|
|
/* Cleanup for dict_content */
|
|
if (dict_content.obj) {
|
|
PyBuffer_Release(&dict_content);
|
|
}
|
|
|
|
return return_value;
|
|
}
|
|
|
|
PyDoc_STRVAR(_zstd_ZstdDict_dict_content__doc__,
|
|
"The content of a Zstandard dictionary, as a bytes object.");
|
|
#if defined(_zstd_ZstdDict_dict_content_DOCSTR)
|
|
# undef _zstd_ZstdDict_dict_content_DOCSTR
|
|
#endif
|
|
#define _zstd_ZstdDict_dict_content_DOCSTR _zstd_ZstdDict_dict_content__doc__
|
|
|
|
#if !defined(_zstd_ZstdDict_dict_content_DOCSTR)
|
|
# define _zstd_ZstdDict_dict_content_DOCSTR NULL
|
|
#endif
|
|
#if defined(_ZSTD_ZSTDDICT_DICT_CONTENT_GETSETDEF)
|
|
# undef _ZSTD_ZSTDDICT_DICT_CONTENT_GETSETDEF
|
|
# define _ZSTD_ZSTDDICT_DICT_CONTENT_GETSETDEF {"dict_content", (getter)_zstd_ZstdDict_dict_content_get, (setter)_zstd_ZstdDict_dict_content_set, _zstd_ZstdDict_dict_content_DOCSTR},
|
|
#else
|
|
# define _ZSTD_ZSTDDICT_DICT_CONTENT_GETSETDEF {"dict_content", (getter)_zstd_ZstdDict_dict_content_get, NULL, _zstd_ZstdDict_dict_content_DOCSTR},
|
|
#endif
|
|
|
|
static PyObject *
|
|
_zstd_ZstdDict_dict_content_get_impl(ZstdDict *self);
|
|
|
|
static PyObject *
|
|
_zstd_ZstdDict_dict_content_get(PyObject *self, void *Py_UNUSED(context))
|
|
{
|
|
return _zstd_ZstdDict_dict_content_get_impl((ZstdDict *)self);
|
|
}
|
|
|
|
PyDoc_STRVAR(_zstd_ZstdDict_as_digested_dict__doc__,
|
|
"Load as a digested dictionary to compressor.\n"
|
|
"\n"
|
|
"Pass this attribute as zstd_dict argument:\n"
|
|
"compress(dat, zstd_dict=zd.as_digested_dict)\n"
|
|
"\n"
|
|
"1. Some advanced compression parameters of compressor may be overridden\n"
|
|
" by parameters of digested dictionary.\n"
|
|
"2. ZstdDict has a digested dictionaries cache for each compression level.\n"
|
|
" It\'s faster when loading again a digested dictionary with the same\n"
|
|
" compression level.\n"
|
|
"3. No need to use this for decompression.");
|
|
#if defined(_zstd_ZstdDict_as_digested_dict_DOCSTR)
|
|
# undef _zstd_ZstdDict_as_digested_dict_DOCSTR
|
|
#endif
|
|
#define _zstd_ZstdDict_as_digested_dict_DOCSTR _zstd_ZstdDict_as_digested_dict__doc__
|
|
|
|
#if !defined(_zstd_ZstdDict_as_digested_dict_DOCSTR)
|
|
# define _zstd_ZstdDict_as_digested_dict_DOCSTR NULL
|
|
#endif
|
|
#if defined(_ZSTD_ZSTDDICT_AS_DIGESTED_DICT_GETSETDEF)
|
|
# undef _ZSTD_ZSTDDICT_AS_DIGESTED_DICT_GETSETDEF
|
|
# define _ZSTD_ZSTDDICT_AS_DIGESTED_DICT_GETSETDEF {"as_digested_dict", (getter)_zstd_ZstdDict_as_digested_dict_get, (setter)_zstd_ZstdDict_as_digested_dict_set, _zstd_ZstdDict_as_digested_dict_DOCSTR},
|
|
#else
|
|
# define _ZSTD_ZSTDDICT_AS_DIGESTED_DICT_GETSETDEF {"as_digested_dict", (getter)_zstd_ZstdDict_as_digested_dict_get, NULL, _zstd_ZstdDict_as_digested_dict_DOCSTR},
|
|
#endif
|
|
|
|
static PyObject *
|
|
_zstd_ZstdDict_as_digested_dict_get_impl(ZstdDict *self);
|
|
|
|
static PyObject *
|
|
_zstd_ZstdDict_as_digested_dict_get(PyObject *self, void *Py_UNUSED(context))
|
|
{
|
|
return _zstd_ZstdDict_as_digested_dict_get_impl((ZstdDict *)self);
|
|
}
|
|
|
|
PyDoc_STRVAR(_zstd_ZstdDict_as_undigested_dict__doc__,
|
|
"Load as an undigested dictionary to compressor.\n"
|
|
"\n"
|
|
"Pass this attribute as zstd_dict argument:\n"
|
|
"compress(dat, zstd_dict=zd.as_undigested_dict)\n"
|
|
"\n"
|
|
"1. The advanced compression parameters of compressor will not be overridden.\n"
|
|
"2. Loading an undigested dictionary is costly. If load an undigested dictionary\n"
|
|
" multiple times, consider reusing a compressor object.\n"
|
|
"3. No need to use this for decompression.");
|
|
#if defined(_zstd_ZstdDict_as_undigested_dict_DOCSTR)
|
|
# undef _zstd_ZstdDict_as_undigested_dict_DOCSTR
|
|
#endif
|
|
#define _zstd_ZstdDict_as_undigested_dict_DOCSTR _zstd_ZstdDict_as_undigested_dict__doc__
|
|
|
|
#if !defined(_zstd_ZstdDict_as_undigested_dict_DOCSTR)
|
|
# define _zstd_ZstdDict_as_undigested_dict_DOCSTR NULL
|
|
#endif
|
|
#if defined(_ZSTD_ZSTDDICT_AS_UNDIGESTED_DICT_GETSETDEF)
|
|
# undef _ZSTD_ZSTDDICT_AS_UNDIGESTED_DICT_GETSETDEF
|
|
# define _ZSTD_ZSTDDICT_AS_UNDIGESTED_DICT_GETSETDEF {"as_undigested_dict", (getter)_zstd_ZstdDict_as_undigested_dict_get, (setter)_zstd_ZstdDict_as_undigested_dict_set, _zstd_ZstdDict_as_undigested_dict_DOCSTR},
|
|
#else
|
|
# define _ZSTD_ZSTDDICT_AS_UNDIGESTED_DICT_GETSETDEF {"as_undigested_dict", (getter)_zstd_ZstdDict_as_undigested_dict_get, NULL, _zstd_ZstdDict_as_undigested_dict_DOCSTR},
|
|
#endif
|
|
|
|
static PyObject *
|
|
_zstd_ZstdDict_as_undigested_dict_get_impl(ZstdDict *self);
|
|
|
|
static PyObject *
|
|
_zstd_ZstdDict_as_undigested_dict_get(PyObject *self, void *Py_UNUSED(context))
|
|
{
|
|
return _zstd_ZstdDict_as_undigested_dict_get_impl((ZstdDict *)self);
|
|
}
|
|
|
|
PyDoc_STRVAR(_zstd_ZstdDict_as_prefix__doc__,
|
|
"Load as a prefix to compressor/decompressor.\n"
|
|
"\n"
|
|
"Pass this attribute as zstd_dict argument:\n"
|
|
"compress(dat, zstd_dict=zd.as_prefix)\n"
|
|
"\n"
|
|
"1. Prefix is compatible with long distance matching, while dictionary is not.\n"
|
|
"2. It only works for the first frame, then the compressor/decompressor will\n"
|
|
" return to no prefix state.\n"
|
|
"3. When decompressing, must use the same prefix as when compressing.");
|
|
#if defined(_zstd_ZstdDict_as_prefix_DOCSTR)
|
|
# undef _zstd_ZstdDict_as_prefix_DOCSTR
|
|
#endif
|
|
#define _zstd_ZstdDict_as_prefix_DOCSTR _zstd_ZstdDict_as_prefix__doc__
|
|
|
|
#if !defined(_zstd_ZstdDict_as_prefix_DOCSTR)
|
|
# define _zstd_ZstdDict_as_prefix_DOCSTR NULL
|
|
#endif
|
|
#if defined(_ZSTD_ZSTDDICT_AS_PREFIX_GETSETDEF)
|
|
# undef _ZSTD_ZSTDDICT_AS_PREFIX_GETSETDEF
|
|
# define _ZSTD_ZSTDDICT_AS_PREFIX_GETSETDEF {"as_prefix", (getter)_zstd_ZstdDict_as_prefix_get, (setter)_zstd_ZstdDict_as_prefix_set, _zstd_ZstdDict_as_prefix_DOCSTR},
|
|
#else
|
|
# define _ZSTD_ZSTDDICT_AS_PREFIX_GETSETDEF {"as_prefix", (getter)_zstd_ZstdDict_as_prefix_get, NULL, _zstd_ZstdDict_as_prefix_DOCSTR},
|
|
#endif
|
|
|
|
static PyObject *
|
|
_zstd_ZstdDict_as_prefix_get_impl(ZstdDict *self);
|
|
|
|
static PyObject *
|
|
_zstd_ZstdDict_as_prefix_get(PyObject *self, void *Py_UNUSED(context))
|
|
{
|
|
return _zstd_ZstdDict_as_prefix_get_impl((ZstdDict *)self);
|
|
}
|
|
/*[clinic end generated code: output=f41d9e2e2cc2928f input=a9049054013a1b77]*/
|