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Copy pathmarshal.c.h
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346 lines (308 loc) · 9.93 KB
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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(marshal_dump__doc__,
"dump($module, value, file, version=version, /, *, allow_code=True)\n"
"--\n"
"\n"
"Write the value on the open file.\n"
"\n"
" value\n"
" Must be a supported type.\n"
" file\n"
" Must be a writeable binary file.\n"
" version\n"
" Indicates the data format that dump should use.\n"
" allow_code\n"
" Allow to write code objects.\n"
"\n"
"If the value has (or contains an object that has) an unsupported type, a\n"
"ValueError exception is raised - but garbage data will also be written\n"
"to the file. The object will not be properly read back by load().");
#define MARSHAL_DUMP_METHODDEF \
{"dump", _PyCFunction_CAST(marshal_dump), METH_FASTCALL|METH_KEYWORDS, marshal_dump__doc__},
static PyObject *
marshal_dump_impl(PyObject *module, PyObject *value, PyObject *file,
int version, int allow_code);
static PyObject *
marshal_dump(PyObject *module, 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
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_item = { &_Py_ID(allow_code), },
};
#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[] = {"", "", "", "allow_code", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "dump",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[4];
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
PyObject *value;
PyObject *file;
int version = Py_MARSHAL_VERSION;
int allow_code = 1;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
/*minpos*/ 2, /*maxpos*/ 3, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
if (!args) {
goto exit;
}
value = args[0];
file = args[1];
if (nargs < 3) {
goto skip_optional_posonly;
}
noptargs--;
version = PyLong_AsInt(args[2]);
if (version == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional_posonly:
if (!noptargs) {
goto skip_optional_kwonly;
}
allow_code = PyObject_IsTrue(args[3]);
if (allow_code < 0) {
goto exit;
}
skip_optional_kwonly:
return_value = marshal_dump_impl(module, value, file, version, allow_code);
exit:
return return_value;
}
PyDoc_STRVAR(marshal_load__doc__,
"load($module, file, /, *, allow_code=True)\n"
"--\n"
"\n"
"Read one value from the open file and return it.\n"
"\n"
" file\n"
" Must be readable binary file.\n"
" allow_code\n"
" Allow to load code objects.\n"
"\n"
"If no valid value is read (e.g. because the data has a different Python\n"
"version\'s incompatible marshal format), raise EOFError, ValueError or\n"
"TypeError.\n"
"\n"
"Note: If an object containing an unsupported type was marshalled with\n"
"dump(), load() will substitute None for the unmarshallable type.");
#define MARSHAL_LOAD_METHODDEF \
{"load", _PyCFunction_CAST(marshal_load), METH_FASTCALL|METH_KEYWORDS, marshal_load__doc__},
static PyObject *
marshal_load_impl(PyObject *module, PyObject *file, int allow_code);
static PyObject *
marshal_load(PyObject *module, 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
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_item = { &_Py_ID(allow_code), },
};
#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[] = {"", "allow_code", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "load",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[2];
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
PyObject *file;
int allow_code = 1;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
/*minpos*/ 1, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
if (!args) {
goto exit;
}
file = args[0];
if (!noptargs) {
goto skip_optional_kwonly;
}
allow_code = PyObject_IsTrue(args[1]);
if (allow_code < 0) {
goto exit;
}
skip_optional_kwonly:
return_value = marshal_load_impl(module, file, allow_code);
exit:
return return_value;
}
PyDoc_STRVAR(marshal_dumps__doc__,
"dumps($module, value, version=version, /, *, allow_code=True)\n"
"--\n"
"\n"
"Return the bytes object that would be written to a file by dump(value, file).\n"
"\n"
" value\n"
" Must be a supported type.\n"
" version\n"
" Indicates the data format that dumps should use.\n"
" allow_code\n"
" Allow to write code objects.\n"
"\n"
"Raise a ValueError exception if value has (or contains an object that has) an\n"
"unsupported type.");
#define MARSHAL_DUMPS_METHODDEF \
{"dumps", _PyCFunction_CAST(marshal_dumps), METH_FASTCALL|METH_KEYWORDS, marshal_dumps__doc__},
static PyObject *
marshal_dumps_impl(PyObject *module, PyObject *value, int version,
int allow_code);
static PyObject *
marshal_dumps(PyObject *module, 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
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_item = { &_Py_ID(allow_code), },
};
#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[] = {"", "", "allow_code", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "dumps",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[3];
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
PyObject *value;
int version = Py_MARSHAL_VERSION;
int allow_code = 1;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
/*minpos*/ 1, /*maxpos*/ 2, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
if (!args) {
goto exit;
}
value = args[0];
if (nargs < 2) {
goto skip_optional_posonly;
}
noptargs--;
version = PyLong_AsInt(args[1]);
if (version == -1 && PyErr_Occurred()) {
goto exit;
}
skip_optional_posonly:
if (!noptargs) {
goto skip_optional_kwonly;
}
allow_code = PyObject_IsTrue(args[2]);
if (allow_code < 0) {
goto exit;
}
skip_optional_kwonly:
return_value = marshal_dumps_impl(module, value, version, allow_code);
exit:
return return_value;
}
PyDoc_STRVAR(marshal_loads__doc__,
"loads($module, bytes, /, *, allow_code=True)\n"
"--\n"
"\n"
"Convert the bytes-like object to a value.\n"
"\n"
" allow_code\n"
" Allow to load code objects.\n"
"\n"
"If no valid value is found, raise EOFError, ValueError or TypeError. Extra\n"
"bytes in the input are ignored.");
#define MARSHAL_LOADS_METHODDEF \
{"loads", _PyCFunction_CAST(marshal_loads), METH_FASTCALL|METH_KEYWORDS, marshal_loads__doc__},
static PyObject *
marshal_loads_impl(PyObject *module, Py_buffer *bytes, int allow_code);
static PyObject *
marshal_loads(PyObject *module, 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
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
.ob_item = { &_Py_ID(allow_code), },
};
#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[] = {"", "allow_code", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
.fname = "loads",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[2];
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
Py_buffer bytes = {NULL, NULL};
int allow_code = 1;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser,
/*minpos*/ 1, /*maxpos*/ 1, /*minkw*/ 0, /*varpos*/ 0, argsbuf);
if (!args) {
goto exit;
}
if (PyObject_GetBuffer(args[0], &bytes, PyBUF_SIMPLE) != 0) {
goto exit;
}
if (!noptargs) {
goto skip_optional_kwonly;
}
allow_code = PyObject_IsTrue(args[1]);
if (allow_code < 0) {
goto exit;
}
skip_optional_kwonly:
return_value = marshal_loads_impl(module, &bytes, allow_code);
exit:
/* Cleanup for bytes */
if (bytes.obj) {
PyBuffer_Release(&bytes);
}
return return_value;
}
/*[clinic end generated code: output=c7ef4f599658d8ab input=a9049054013a1b77]*/
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