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fix [#26667] Can't import scripts when using blenderplayer

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- move import override initialization to bpy_internal_import.c so the player and blender can both call.
- remove ineffectual & unused sandboxing code.
This commit is contained in:
Campbell Barton
2011-03-29 16:12:25 +00:00
parent c0ab420a73
commit f4ba9495c5
4 changed files with 26 additions and 194 deletions
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21
source/blender/python/generic/bpy_internal_import.c
View File

@@ -55,6 +55,27 @@
static Main *bpy_import_main= NULL;
/* 'builtins' is most likely PyEval_GetBuiltins() */
void bpy_import_init(PyObject *builtins)
{
PyObject *item;
PyObject *mod;
PyDict_SetItemString(builtins, "__import__", item=PyCFunction_New(&bpy_import_meth, NULL)); Py_DECREF(item);
/* move reload here
* XXX, use import hooks */
mod= PyImport_ImportModuleLevel((char *)"imp", NULL, NULL, NULL, 0);
if(mod) {
PyDict_SetItemString(PyModule_GetDict(mod), "reload", item=PyCFunction_New(&bpy_reload_meth, NULL)); Py_DECREF(item);
Py_DECREF(mod);
}
else {
BLI_assert(!"unable to load 'imp' module.");
}
}
static void free_compiled_text(Text *text)
{
if(text->compiled) {

2
source/blender/python/generic/bpy_internal_import.h
View File

@@ -47,6 +47,8 @@
struct Text;
void bpy_import_init(PyObject *builtins);
PyObject* bpy_text_import(struct Text *text);
PyObject* bpy_text_import_name(char *name, int *found);
PyObject* bpy_text_reimport(PyObject *module, int *found);

22
source/blender/python/intern/bpy_interface.c
View File

@@ -272,27 +272,7 @@ void BPY_python_start(int argc, const char **argv)
/* bpy.* and lets us import it */
BPy_init_modules();
{ /* our own import and reload functions */
PyObject *item;
PyObject *mod;
//PyObject *m= PyImport_AddModule("__builtin__");
//PyObject *d= PyModule_GetDict(m);
PyObject *d= PyEval_GetBuiltins();
// PyDict_SetItemString(d, "reload", item=PyCFunction_New(&bpy_reload_meth, NULL)); Py_DECREF(item);
PyDict_SetItemString(d, "__import__", item=PyCFunction_New(&bpy_import_meth, NULL)); Py_DECREF(item);
/* move reload here
* XXX, use import hooks */
mod= PyImport_ImportModuleLevel((char *)"imp", NULL, NULL, NULL, 0);
if(mod) {
PyDict_SetItemString(PyModule_GetDict(mod), "reload", item=PyCFunction_New(&bpy_reload_meth, NULL)); Py_DECREF(item);
Py_DECREF(mod);
}
else {
BLI_assert(!"unable to load 'imp' module.");
}
}
bpy_import_init(PyEval_GetBuiltins());
pyrna_alloc_types();

175
source/gameengine/Ketsji/KX_PythonInit.cpp
View File

@@ -1637,176 +1637,6 @@ PyObject* initGameLogic(KX_KetsjiEngine *engine, KX_Scene* scene) // quick hack
return m;
}
// Python Sandbox code
// override builtin functions import() and open()
PyObject *KXpy_open(PyObject *self, PyObject *args) {
PyErr_SetString(PyExc_RuntimeError, "Sandbox: open() function disabled!\nGame Scripts should not use this function.");
return NULL;
}
PyObject *KXpy_file(PyObject *self, PyObject *args) {
PyErr_SetString(PyExc_RuntimeError, "Sandbox: file() function disabled!\nGame Scripts should not use this function.");
return NULL;
}
PyObject *KXpy_execfile(PyObject *self, PyObject *args) {
PyErr_SetString(PyExc_RuntimeError, "Sandbox: execfile() function disabled!\nGame Scripts should not use this function.");
return NULL;
}
PyObject *KXpy_compile(PyObject *self, PyObject *args) {
PyErr_SetString(PyExc_RuntimeError, "Sandbox: compile() function disabled!\nGame Scripts should not use this function.");
return NULL;
}
PyObject *KXpy_import(PyObject *self, PyObject *args)
{
char *name;
int found;
PyObject *globals = NULL;
PyObject *locals = NULL;
PyObject *fromlist = NULL;
PyObject *l, *m, *n;
int level; /* not used yet */
if (!PyArg_ParseTuple(args, "s|OOOi:m_import",
&name, &globals, &locals, &fromlist, &level))
return NULL;
/* check for builtin modules */
m = PyImport_AddModule("sys");
l = PyObject_GetAttrString(m, "builtin_module_names");
n = PyUnicode_FromString(name);
if (PySequence_Contains(l, n)) {
return PyImport_ImportModuleEx(name, globals, locals, fromlist);
}
/* quick hack for GamePython modules
TODO: register builtin modules properly by ExtendInittab */
if (!strcmp(name, "GameLogic") || !strcmp(name, "GameKeys") || !strcmp(name, "PhysicsConstraints") ||
!strcmp(name, "Rasterizer") || !strcmp(name, "mathutils") || !strcmp(name, "bgl") || !strcmp(name, "geometry")) {
return PyImport_ImportModuleEx(name, globals, locals, fromlist);
}
/* Import blender texts as python modules */
m= bpy_text_import_name(name, &found);
if (m)
return m;
if(found==0) /* if its found but could not import then it has its own error */
PyErr_Format(PyExc_ImportError, "Import of external Module %.20s not allowed.", name);
return NULL;
}
PyObject *KXpy_reload(PyObject *self, PyObject *args) {
/* Used to be sandboxed, bettet to allow importing of internal text only */
#if 0
PyErr_SetString(PyExc_RuntimeError, "Sandbox: reload() function disabled!\nGame Scripts should not use this function.");
return NULL;
#endif
int found;
PyObject *module = NULL;
PyObject *newmodule = NULL;
/* check for a module arg */
if( !PyArg_ParseTuple( args, "O:bpy_reload_meth", &module ) )
return NULL;
newmodule= bpy_text_reimport( module, &found );
if (newmodule)
return newmodule;
if (found==0) /* if its found but could not import then it has its own error */
PyErr_SetString(PyExc_ImportError, "reload(module): failed to reload from blenders internal text");
return newmodule;
}
/* override python file type functions */
#if 0
static int
file_init(PyObject *self, PyObject *args, PyObject *kwds)
{
KXpy_file(NULL, NULL);
return -1;
}
static PyObject *
file_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
return KXpy_file(NULL, NULL);
}
#endif
static PyMethodDef meth_open[] = {{ "open", KXpy_open, METH_VARARGS, "(disabled)"}};
static PyMethodDef meth_reload[] = {{ "reload", KXpy_reload, METH_VARARGS, "(disabled)"}};
static PyMethodDef meth_file[] = {{ "file", KXpy_file, METH_VARARGS, "(disabled)"}};
static PyMethodDef meth_execfile[] = {{ "execfile", KXpy_execfile, METH_VARARGS, "(disabled)"}};
static PyMethodDef meth_compile[] = {{ "compile", KXpy_compile, METH_VARARGS, "(disabled)"}};
static PyMethodDef meth_import[] = {{ "import", KXpy_import, METH_VARARGS, "our own import"}};
//static PyObject *g_oldopen = 0;
//static PyObject *g_oldimport = 0;
//static int g_security = 0;
static void setSandbox(TPythonSecurityLevel level)
{
PyObject *m = PyImport_AddModule("__builtin__");
PyObject *d = PyModule_GetDict(m);
PyObject *item;
switch (level) {
case psl_Highest:
//if (!g_security) {
//g_oldopen = PyDict_GetItemString(d, "open");
// functions we cant trust
PyDict_SetItemString(d, "open", item=PyCFunction_New(meth_open, NULL)); Py_DECREF(item);
PyDict_SetItemString(d, "reload", item=PyCFunction_New(meth_reload, NULL)); Py_DECREF(item);
PyDict_SetItemString(d, "file", item=PyCFunction_New(meth_file, NULL)); Py_DECREF(item);
PyDict_SetItemString(d, "execfile", item=PyCFunction_New(meth_execfile, NULL)); Py_DECREF(item);
PyDict_SetItemString(d, "compile", item=PyCFunction_New(meth_compile, NULL)); Py_DECREF(item);
// our own import
PyDict_SetItemString(d, "__import__", PyCFunction_New(meth_import, NULL));
//g_security = level;
// Overiding file dosnt stop it being accessed if your sneaky
// f = [ t for t in (1).__class__.__mro__[-1].__subclasses__() if t.__name__ == 'file'][0]('/some_file.txt', 'w')
// f.write('...')
// so overwrite the file types functions. be very careful here still, since python uses python.
// ps - python devs frown deeply upon this.
/* this could mess up pythons internals, if we are serious about sandboxing
* issues like the one above need to be solved, possibly modify __subclasses__ is safer? */
#if 0
PyFile_Type.tp_init = file_init;
PyFile_Type.tp_new = file_new;
#endif
//}
break;
/*
case psl_Lowest:
if (g_security) {
PyDict_SetItemString(d, "open", g_oldopen);
PyDict_SetItemString(d, "__import__", g_oldimport);
g_security = level;
}
*/
default:
/* Allow importing internal text, from bpy_internal_import.py */
PyDict_SetItemString(d, "reload", item=PyCFunction_New(&bpy_reload_meth, NULL)); Py_DECREF(item);
PyDict_SetItemString(d, "__import__", item=PyCFunction_New(&bpy_import_meth, NULL)); Py_DECREF(item);
break;
}
}
/* Explanation of
*
* - backupPySysObjects() : stores sys.path in gp_OrigPythonSysPath
@@ -1963,8 +1793,8 @@ PyObject* initGamePlayerPythonScripting(const STR_String& progname, TPythonSecur
PySys_SetObject("argv", py_argv);
Py_DECREF(py_argv);
}
setSandbox(level);
bpy_import_init(PyEval_GetBuiltins());
/* mathutils types are used by the BGE even if we dont import them */
{
@@ -2016,7 +1846,6 @@ PyObject* initGamePythonScripting(const STR_String& progname, TPythonSecurityLev
Py_NoSiteFlag=1;
Py_FrozenFlag=1;
setSandbox(level);
initPyTypes();
bpy_import_main_set(maggie);