mirror of
https://github.com/python/cpython
synced 2024-09-05 08:17:45 +00:00
![Serhiy Storchaka](/assets/img/avatar_default.png)
Passing allow_code=False prevents serialization and de-serialization of code objects which is incompatible between Python versions.
343 lines
9.7 KiB
C
Generated
343 lines
9.7 KiB
C
Generated
/*[clinic input]
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preserve
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[clinic start generated code]*/
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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# include "pycore_gc.h" // PyGC_Head
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# include "pycore_runtime.h" // _Py_ID()
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#endif
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#include "pycore_modsupport.h" // _PyArg_UnpackKeywords()
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PyDoc_STRVAR(marshal_dump__doc__,
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"dump($module, value, file, version=version, /, *, allow_code=True)\n"
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"--\n"
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"\n"
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"Write the value on the open file.\n"
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"\n"
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" value\n"
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" Must be a supported type.\n"
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" file\n"
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" Must be a writeable binary file.\n"
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" version\n"
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" Indicates the data format that dump should use.\n"
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" allow_code\n"
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" Allow to write code objects.\n"
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"\n"
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"If the value has (or contains an object that has) an unsupported type, a\n"
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"ValueError exception is raised - but garbage data will also be written\n"
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"to the file. The object will not be properly read back by load().");
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#define MARSHAL_DUMP_METHODDEF \
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{"dump", _PyCFunction_CAST(marshal_dump), METH_FASTCALL|METH_KEYWORDS, marshal_dump__doc__},
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static PyObject *
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marshal_dump_impl(PyObject *module, PyObject *value, PyObject *file,
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int version, int allow_code);
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static PyObject *
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marshal_dump(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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#define NUM_KEYWORDS 1
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static struct {
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PyGC_Head _this_is_not_used;
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PyObject_VAR_HEAD
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PyObject *ob_item[NUM_KEYWORDS];
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} _kwtuple = {
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.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
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.ob_item = { &_Py_ID(allow_code), },
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};
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#undef NUM_KEYWORDS
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#define KWTUPLE (&_kwtuple.ob_base.ob_base)
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#else // !Py_BUILD_CORE
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# define KWTUPLE NULL
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#endif // !Py_BUILD_CORE
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static const char * const _keywords[] = {"", "", "", "allow_code", NULL};
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static _PyArg_Parser _parser = {
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.keywords = _keywords,
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.fname = "dump",
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.kwtuple = KWTUPLE,
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};
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#undef KWTUPLE
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PyObject *argsbuf[4];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
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PyObject *value;
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PyObject *file;
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int version = Py_MARSHAL_VERSION;
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int allow_code = 1;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 3, 0, argsbuf);
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if (!args) {
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goto exit;
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}
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value = args[0];
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file = args[1];
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if (nargs < 3) {
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goto skip_optional_posonly;
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}
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noptargs--;
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version = PyLong_AsInt(args[2]);
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if (version == -1 && PyErr_Occurred()) {
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goto exit;
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}
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skip_optional_posonly:
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if (!noptargs) {
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goto skip_optional_kwonly;
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}
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allow_code = PyObject_IsTrue(args[3]);
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if (allow_code < 0) {
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goto exit;
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}
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skip_optional_kwonly:
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return_value = marshal_dump_impl(module, value, file, version, allow_code);
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exit:
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return return_value;
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}
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PyDoc_STRVAR(marshal_load__doc__,
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"load($module, file, /, *, allow_code=True)\n"
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"--\n"
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"\n"
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"Read one value from the open file and return it.\n"
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"\n"
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" file\n"
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" Must be readable binary file.\n"
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" allow_code\n"
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" Allow to load code objects.\n"
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"\n"
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"If no valid value is read (e.g. because the data has a different Python\n"
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"version\'s incompatible marshal format), raise EOFError, ValueError or\n"
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"TypeError.\n"
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"\n"
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"Note: If an object containing an unsupported type was marshalled with\n"
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"dump(), load() will substitute None for the unmarshallable type.");
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#define MARSHAL_LOAD_METHODDEF \
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{"load", _PyCFunction_CAST(marshal_load), METH_FASTCALL|METH_KEYWORDS, marshal_load__doc__},
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static PyObject *
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marshal_load_impl(PyObject *module, PyObject *file, int allow_code);
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static PyObject *
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marshal_load(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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#define NUM_KEYWORDS 1
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static struct {
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PyGC_Head _this_is_not_used;
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PyObject_VAR_HEAD
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PyObject *ob_item[NUM_KEYWORDS];
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} _kwtuple = {
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.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
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.ob_item = { &_Py_ID(allow_code), },
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};
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#undef NUM_KEYWORDS
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#define KWTUPLE (&_kwtuple.ob_base.ob_base)
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#else // !Py_BUILD_CORE
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# define KWTUPLE NULL
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#endif // !Py_BUILD_CORE
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static const char * const _keywords[] = {"", "allow_code", NULL};
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static _PyArg_Parser _parser = {
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.keywords = _keywords,
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.fname = "load",
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.kwtuple = KWTUPLE,
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};
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#undef KWTUPLE
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PyObject *argsbuf[2];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
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PyObject *file;
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int allow_code = 1;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, argsbuf);
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if (!args) {
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goto exit;
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}
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file = args[0];
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if (!noptargs) {
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goto skip_optional_kwonly;
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}
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allow_code = PyObject_IsTrue(args[1]);
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if (allow_code < 0) {
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goto exit;
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}
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skip_optional_kwonly:
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return_value = marshal_load_impl(module, file, allow_code);
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exit:
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return return_value;
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}
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PyDoc_STRVAR(marshal_dumps__doc__,
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"dumps($module, value, version=version, /, *, allow_code=True)\n"
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"--\n"
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"\n"
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"Return the bytes object that would be written to a file by dump(value, file).\n"
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"\n"
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" value\n"
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" Must be a supported type.\n"
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" version\n"
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" Indicates the data format that dumps should use.\n"
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" allow_code\n"
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" Allow to write code objects.\n"
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"\n"
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"Raise a ValueError exception if value has (or contains an object that has) an\n"
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"unsupported type.");
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#define MARSHAL_DUMPS_METHODDEF \
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{"dumps", _PyCFunction_CAST(marshal_dumps), METH_FASTCALL|METH_KEYWORDS, marshal_dumps__doc__},
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static PyObject *
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marshal_dumps_impl(PyObject *module, PyObject *value, int version,
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int allow_code);
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static PyObject *
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marshal_dumps(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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#define NUM_KEYWORDS 1
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static struct {
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PyGC_Head _this_is_not_used;
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PyObject_VAR_HEAD
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PyObject *ob_item[NUM_KEYWORDS];
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} _kwtuple = {
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.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
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.ob_item = { &_Py_ID(allow_code), },
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};
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#undef NUM_KEYWORDS
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#define KWTUPLE (&_kwtuple.ob_base.ob_base)
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#else // !Py_BUILD_CORE
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# define KWTUPLE NULL
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#endif // !Py_BUILD_CORE
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static const char * const _keywords[] = {"", "", "allow_code", NULL};
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static _PyArg_Parser _parser = {
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.keywords = _keywords,
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.fname = "dumps",
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.kwtuple = KWTUPLE,
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};
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#undef KWTUPLE
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PyObject *argsbuf[3];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
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PyObject *value;
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int version = Py_MARSHAL_VERSION;
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int allow_code = 1;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 2, 0, argsbuf);
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if (!args) {
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goto exit;
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}
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value = args[0];
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if (nargs < 2) {
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goto skip_optional_posonly;
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}
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noptargs--;
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version = PyLong_AsInt(args[1]);
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if (version == -1 && PyErr_Occurred()) {
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goto exit;
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}
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skip_optional_posonly:
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if (!noptargs) {
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goto skip_optional_kwonly;
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}
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allow_code = PyObject_IsTrue(args[2]);
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if (allow_code < 0) {
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goto exit;
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}
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skip_optional_kwonly:
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return_value = marshal_dumps_impl(module, value, version, allow_code);
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exit:
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return return_value;
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}
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PyDoc_STRVAR(marshal_loads__doc__,
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"loads($module, bytes, /, *, allow_code=True)\n"
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"--\n"
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"\n"
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"Convert the bytes-like object to a value.\n"
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"\n"
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" allow_code\n"
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" Allow to load code objects.\n"
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"\n"
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"If no valid value is found, raise EOFError, ValueError or TypeError. Extra\n"
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"bytes in the input are ignored.");
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#define MARSHAL_LOADS_METHODDEF \
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{"loads", _PyCFunction_CAST(marshal_loads), METH_FASTCALL|METH_KEYWORDS, marshal_loads__doc__},
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static PyObject *
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marshal_loads_impl(PyObject *module, Py_buffer *bytes, int allow_code);
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static PyObject *
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marshal_loads(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
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#define NUM_KEYWORDS 1
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static struct {
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PyGC_Head _this_is_not_used;
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PyObject_VAR_HEAD
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PyObject *ob_item[NUM_KEYWORDS];
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} _kwtuple = {
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.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
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.ob_item = { &_Py_ID(allow_code), },
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};
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#undef NUM_KEYWORDS
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#define KWTUPLE (&_kwtuple.ob_base.ob_base)
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#else // !Py_BUILD_CORE
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# define KWTUPLE NULL
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#endif // !Py_BUILD_CORE
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static const char * const _keywords[] = {"", "allow_code", NULL};
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static _PyArg_Parser _parser = {
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.keywords = _keywords,
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.fname = "loads",
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.kwtuple = KWTUPLE,
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};
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#undef KWTUPLE
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PyObject *argsbuf[2];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
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Py_buffer bytes = {NULL, NULL};
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int allow_code = 1;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, argsbuf);
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if (!args) {
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goto exit;
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}
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if (PyObject_GetBuffer(args[0], &bytes, PyBUF_SIMPLE) != 0) {
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goto exit;
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}
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if (!noptargs) {
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goto skip_optional_kwonly;
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}
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allow_code = PyObject_IsTrue(args[1]);
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if (allow_code < 0) {
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goto exit;
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}
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skip_optional_kwonly:
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return_value = marshal_loads_impl(module, &bytes, allow_code);
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exit:
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/* Cleanup for bytes */
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if (bytes.obj) {
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PyBuffer_Release(&bytes);
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}
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return return_value;
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}
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/*[clinic end generated code: output=1575b9a3ae48ad3d input=a9049054013a1b77]*/
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