Python Bugfix

A new file could have its Blender.Get("filename") return "<memory>" after undo'ing on an open file.
Fix for own error with python sys.path, messed up game engine.

source/blender/blenkernel/intern/blender.c

@@ -482,7 +482,7 @@ int BKE_read_file_from_memory(char* filebuf, int filelength, void *type_r)
 		if (type_r)
 			*((BlenFileType*)type_r)= bfd->type;
 		
-		setup_app_data(bfd, "<memory>");
+		setup_app_data(bfd, "<memory2>");
 	} else {
 		error("Loading failed: %s", BLO_bre_as_string(bre));
 	}
@@ -504,7 +504,7 @@ int BKE_read_file_from_memfile(MemFile *memfile)
 		
 	bfd= BLO_read_from_memfile(G.sce, memfile, &bre);
 	if (bfd) {
-		setup_app_data(bfd, "<memory>");
+		setup_app_data(bfd, "<memory1>");
 	} else {
 		error("Loading failed: %s", BLO_bre_as_string(bre));
 	}

source/blender/makesdna/DNA_scene_types.h

@@ -576,6 +576,8 @@ typedef struct Scene {
 #define R_FBUF			0x40000
 		/* threads obsolete... is there for old files, now use for autodetect threads */
 #define R_THREADS		0x80000
+		/* Use the same flag for autothreads */
+#define R_AUTO_THREADS		0x80000 
 
 #define R_SPEED			0x100000
 #define R_SSS			0x200000

source/blender/python/BPY_interface.c

@@ -377,7 +377,7 @@ void init_syspath( int first_time )
 		d = PyModule_GetDict( mod );	/* borrowed ref */
 		EXPP_dict_set_item_str( d, "executable", Py_BuildValue( "s", bprogname ) );
 		
-		if (first_time) {
+		if (bpy_orig_syspath_List == NULL) {
 			/* backup the original sys.path to rebuild later */	
 			PyObject *syspath = PyDict_GetItemString( d, "path" );	/* borrowed ref */
 			if (bpy_orig_syspath_List) { /* This should never happen but just incase, be nice */
@@ -401,12 +401,12 @@ void BPY_rebuild_syspath( void )
 	
 	mod = PyImport_ImportModule( "sys" );	
 	if (!mod) {
-		printf("error: could not import python sys module. some modules may not import.");
+		printf("error: could not import python sys module. some modules may not import.\n");
 		return;
 	}
 	
 	if (!bpy_orig_syspath_List) { /* should never happen */
-		printf("error refershing python path");
+		printf("error refershing python path\n");
 		Py_DECREF(mod);
 		return;
 	}

source/blender/python/api2_2x/Blender.c

@@ -341,10 +341,10 @@ static PyObject *Blender_Get( PyObject * self, PyObject * value )
 	else if( StringEqual( str, "endframe" ) )
 		ret = PyInt_FromLong( G.scene->r.efra );
 	else if( StringEqual( str, "filename" ) ) {
-		if ( strstr(G.main->name, ".B.blend") != 0)
+		if (!G.relbase_valid)
 			ret = PyString_FromString("");
 		else
-			ret = PyString_FromString(G.main->name);
+			ret = PyString_FromString(G.sce);
 	}
 	else if( StringEqual( str, "homedir" ) ) {
 		char *hdir = bpy_gethome(0);

source/blender/python/api2_2x/sceneRender.c

@@ -2089,7 +2089,7 @@ static int RenderData_setModeBit( BPy_RenderData* self, PyObject *value,
 
 #define MODE_MASK ( R_OSA | R_SHADOW | R_GAMMA | R_ENVMAP | R_EDGE | \
 	R_FIELDS | R_FIELDSTILL | R_RADIO | R_BORDER | R_PANORAMA | R_CROP | \
-	R_ODDFIELD | R_MBLUR | R_RAYTRACE | R_THREADS )
+	R_ODDFIELD | R_MBLUR | R_RAYTRACE | R_AUTO_THREADS )
 
 static PyObject *RenderData_getMode( BPy_RenderData *self )
 {
@@ -2593,10 +2593,13 @@ static PyGetSetDef BPy_RenderData_getseters[] = {
 	 (getter)RenderData_getModeBit, (setter)RenderData_setModeBit,
 	 "Skip rendering existing image files",
 	 (void *)R_NO_OVERWRITE},
-	  
+	{"autoThreads",
+	 (getter)RenderData_getModeBit, (setter)RenderData_setModeBit,
+	 "Use system number of processors",
+	 (void *)R_AUTO_THREADS},
 /* R_GAUSS unused */
 /* R_FBUF unused */
-/* R_THREADS unused */
+/* R_AUTO_THREADS unused */
 	{"threads",
 	 (getter)RenderData_getThreads, (setter)RenderData_setThreads,
 	 "Number of threads used to render",
@@ -3718,7 +3721,7 @@ static PyObject *M_Render_ModesDict( void )
 		PyConstant_Insert( d, "ODDFIELD", PyInt_FromLong( R_ODDFIELD ) );
 		PyConstant_Insert( d, "MBLUR", PyInt_FromLong( R_MBLUR ) );
 		PyConstant_Insert( d, "RAYTRACING", PyInt_FromLong( R_RAYTRACE ) );
-		PyConstant_Insert( d, "THREADS", PyInt_FromLong( R_THREADS ) );
+		PyConstant_Insert( d, "AUTOTHREADS", PyInt_FromLong( R_AUTO_THREADS ) );
 	}
 	return M;
 }

source/blender/render/intern/source/pipeline.c

@@ -1108,7 +1108,7 @@ void RE_InitState(Render *re, Render *source, RenderData *rd, int winx, int winy
 		/* we clip faces with a minimum of 2 pixel boundary outside of image border. see zbuf.c */
 		re->clipcrop= 1.0f + 2.0f/(float)(re->winx>re->winy?re->winy:re->winx);
 		
-		if (rd->mode & R_THREADS || commandline_threads == 0) { /* Automatic threads */
+		if (rd->mode & R_AUTO_THREADS || commandline_threads == 0) { /* Automatic threads */
 			re->r.threads = BLI_system_thread_count();
 		} else if(commandline_threads >= 1 && commandline_threads<=BLENDER_MAX_THREADS) {
 			re->r.threads= commandline_threads;

source/blender/src/buttons_scene.c

@@ -2023,8 +2023,8 @@ static void render_panel_output(void)
 	uiBlockEndAlign(block);
 
 	uiBlockBeginAlign(block);
-	uiDefIconButBitI(block, TOG, R_THREADS, B_REDR, ICON_AUTO,	10, 63, 20, 20, &G.scene->r.mode, 0.0, 0.0, 0, 0, "Automatic threads from system");
+	uiDefIconButBitI(block, TOG, R_AUTO_THREADS, B_REDR, ICON_AUTO,	10, 63, 20, 20, &G.scene->r.mode, 0.0, 0.0, 0, 0, "Automatically set the threads to the number of processors on the system");
-	if (G.scene->r.mode & R_THREADS) {
+	if (G.scene->r.mode & R_AUTO_THREADS) {
 		char thread_str[16];
 		sprintf(thread_str, " Threads: %d", BLI_system_thread_count());
 		uiDefBut(block, LABEL, 0, thread_str, 30, 63,80,20, 0, 0, 0, 0, 0, "");

source/blender/src/previewrender.c

@@ -264,8 +264,6 @@ static Scene *preview_prepare_scene(RenderInfo *ri, int id_type, ID *id, int pr_
 	
 	sce= pr_main->scene.first;
 	if(sce) {
-		
-		// sce->r.mode |= G.scene->r.mode & R_THREADS;
 		/* this flag tells render to not execute depsgraph or ipos etc */
 		sce->r.scemode |= R_PREVIEWBUTS;
 		/* set world always back, is used now */