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gh-130139: always check ast node type in ast.parse() with ast input (#130140)

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Irit Katriel 2025-02-16 13:32:39 +00:00 • committed by GitHub
parent 2e8044a4f7
commit c9b1bf302c
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8 changed files with 73 additions and 32 deletions
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42
Python/Python-ast.c generated
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@ -18161,11 +18161,35 @@ PyObject* PyAST_mod2obj(mod_ty t)
}
/* mode is 0 for "exec", 1 for "eval" and 2 for "single" input */
mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode)
int PyAst_CheckMode(PyObject *ast, int mode)
{
const char * const req_name[] = {"Module", "Expression", "Interactive"};
int isinstance;
struct ast_state *state = get_ast_state();
if (state == NULL) {
return -1;
}
PyObject *req_type[3];
req_type[0] = state->Module_type;
req_type[1] = state->Expression_type;
req_type[2] = state->Interactive_type;
assert(0 <= mode && mode <= 2);
int isinstance = PyObject_IsInstance(ast, req_type[mode]);
if (isinstance == -1) {
return -1;
}
if (!isinstance) {
PyErr_Format(PyExc_TypeError, "expected %s node, got %.400s",
req_name[mode], _PyType_Name(Py_TYPE(ast)));
return -1;
}
return 0;
}
mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode)
{
if (PySys_Audit("compile", "OO", ast, Py_None) < 0) {
return NULL;
}
@ -18175,19 +18199,7 @@ mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode)
return NULL;
}
PyObject *req_type[3];
req_type[0] = state->Module_type;
req_type[1] = state->Expression_type;
req_type[2] = state->Interactive_type;
assert(0 <= mode && mode <= 2);
isinstance = PyObject_IsInstance(ast, req_type[mode]);
if (isinstance == -1)
return NULL;
if (!isinstance) {
PyErr_Format(PyExc_TypeError, "expected %s node, got %.400s",
req_name[mode], _PyType_Name(Py_TYPE(ast)));
if (PyAst_CheckMode(ast, mode) < 0) {
return NULL;
}