diff options
| -rw-r--r-- | source/blender/python/api2_2x/bpy_internal_import.c | 62 | ||||
| -rw-r--r-- | source/blender/python/api2_2x/bpy_internal_import.h | 1 | ||||
| -rw-r--r-- | source/gameengine/Ketsji/KX_PythonInit.cpp | 9 |
3 files changed, 71 insertions, 1 deletions
diff --git a/source/blender/python/api2_2x/bpy_internal_import.c b/source/blender/python/api2_2x/bpy_internal_import.c index d944c24d928..a62ae689f59 100644 --- a/source/blender/python/api2_2x/bpy_internal_import.c +++ b/source/blender/python/api2_2x/bpy_internal_import.c @@ -265,3 +265,65 @@ static PyObject *blender_reload( PyObject * self, PyObject * args ) PyMethodDef bpy_import[] = { {"bpy_import", blender_import, METH_KEYWORDS, "blenders import"} }; PyMethodDef bpy_reload[] = { {"bpy_reload", blender_reload, METH_VARARGS, "blenders reload"} }; + +/* Clear user modules. + * This is to clear any modules that could be defined from running scripts in blender. + * + * Its also needed for the BGE Python api so imported scripts are not used between levels + * + * This clears every modules that has a __file__ attribute (is not a builtin) + * and is a filename only (no path). since pythons bultins include a full path even for win32. + * even if we remove a python module a reimport will bring it back again. + */ + + +#if defined(WIN32) || defined(WIN64) +#define SEPSTR "\\" +#else +#define SEPSTR "/" +#endif + + +void importClearUserModules(void) +{ + PyObject *modules= PySys_GetObject("modules"); + + char *fname; + char *file_extension; + + /* looping over the dict */ + PyObject *key, *value; + Py_ssize_t pos = 0; + + /* new list */ + PyObject *list= PyList_New(0); + + /* go over sys.modules and remove anything with a + * sys.modukes[x].__file__ thats ends with a .py and has no path + */ + while (PyDict_Next(modules, &pos, &key, &value)) { + fname= PyModule_GetFilename(value); + if(fname) { + if ((strstr(fname, SEPSTR))==0) { /* no path ? */ + file_extension = strstr(fname, ".py"); + if(file_extension && *(file_extension + 3) == '\0') { /* .py extension ? */ + /* now we can be fairly sure its a python import from the blendfile */ + PyList_Append(list, key); /* free'd with the list */ + } + } + } + else { + PyErr_Clear(); + } + } + + /* remove all our modules */ + for(pos=0; pos < PyList_Size(list); pos++) { + /* PyObject_Print(key, stderr, 0); */ + key= PyList_GET_ITEM(list, pos); + PyDict_DelItem(modules, key); + } + + Py_DECREF(list); /* removes all references from append */ +} + diff --git a/source/blender/python/api2_2x/bpy_internal_import.h b/source/blender/python/api2_2x/bpy_internal_import.h index 7fe412019ab..9d440406636 100644 --- a/source/blender/python/api2_2x/bpy_internal_import.h +++ b/source/blender/python/api2_2x/bpy_internal_import.h @@ -37,6 +37,7 @@ PyObject *importText( char *name, int *found ); PyObject *reimportText( PyObject *module, int *found ); +void importClearUserModules( void ); /* Clear user modules */ extern PyMethodDef bpy_import[]; extern PyMethodDef bpy_reload[]; diff --git a/source/gameengine/Ketsji/KX_PythonInit.cpp b/source/gameengine/Ketsji/KX_PythonInit.cpp index 924c5451608..eafb7fc0cb8 100644 --- a/source/gameengine/Ketsji/KX_PythonInit.cpp +++ b/source/gameengine/Ketsji/KX_PythonInit.cpp @@ -102,7 +102,7 @@ extern "C" { #include "GPU_material.h" static void setSandbox(TPythonSecurityLevel level); - +static void clearGameModules(); // 'local' copy of canvas ptr, for window height/width python scripts static RAS_ICanvas* gp_Canvas = NULL; @@ -1402,6 +1402,10 @@ PyObject* initGamePythonScripting(const STR_String& progname, TPythonSecurityLev initPyTypes(); bpy_import_main_set(maggie); + + /* run this to clear game modules and user modules which + * may contain references to in game data */ + clearGameModules(); PyObject* moduleobj = PyImport_AddModule("__main__"); return PyModule_GetDict(moduleobj); @@ -1434,6 +1438,9 @@ static void clearGameModules() clearModule(modules, "Mathutils"); clearModule(modules, "BGL"); PyErr_Clear(); // incase some of these were alredy removed. + + /* clear user defined modules */ + importClearUserModules(); } void exitGamePythonScripting() |