Python errors originating in the active text are now displayed at the top of the text area. Errors in other files/scripts still pop up a message as before and all errors are still printed to the console. This removes the need to switch to the console for local errors.

source/blender/python/BPY_extern.h

@@ -89,6 +89,7 @@ extern "C" {
 	
 	int BPY_Err_getLinenumber( void );
 	const char *BPY_Err_getFilename( void );
+	const char *BPY_Err_getMessage( void );
 
 	int BPY_txt_do_python_Text( struct Text *text );
 	int BPY_menu_do_python( short menutype, int event );

source/blender/python/BPY_interface.c

@@ -145,9 +145,11 @@ static struct _inittab BPy_Inittab_Modules[] = {
 * Structure definitions	
 **************************************************************************/
 #define FILENAME_LENGTH 24
+#define MESSAGE_LENGTH 256
 
 typedef struct _ScriptError {
 	char filename[FILENAME_LENGTH];
+	char message[MESSAGE_LENGTH+1];
 	int lineno;
 } ScriptError;
 
@@ -507,6 +509,15 @@ const char *BPY_Err_getFilename( void )
 	return g_script_error.filename;
 }
 
+/*****************************************************************************/
+/* Description: This function will return the short message of the error     */
+/* that has occured in the python script.                                    */
+/*****************************************************************************/
+const char *BPY_Err_getMessage( void )
+{
+	return g_script_error.message;
+}
+
 /*****************************************************************************/
 /* Description: Return PyString filename from a traceback object	    */
 /*****************************************************************************/
@@ -566,6 +577,15 @@ void BPY_Err_Handle( char *script_name )
 		} else {
 			g_script_error.lineno = -1;
 		}
+		v = PyObject_GetAttrString( err, "text" );
+		if ( v && PyString_Check(v) ) {
+			strcpy(g_script_error.message, "Invalid syntax: ");
+			strncpy(g_script_error.message+16, PyString_AS_STRING( v ), MESSAGE_LENGTH-16);
+			g_script_error.message[MESSAGE_LENGTH]= '\0';
+			Py_DECREF( v );
+		} else {
+			strcpy(g_script_error.message, "Invalid Syntax");
+		}
 		/* this avoids an abort in Python 2.3's garbage collecting: */
 		PyErr_Clear(  );
 		return;
@@ -612,6 +632,14 @@ void BPY_Err_Handle( char *script_name )
 				FILENAME_LENGTH );
 			Py_DECREF(v);
 		}
+		v = PyObject_GetAttrString( err, "message" );
+		if ( v && PyString_Check(v) ) {
+			strncpy(g_script_error.message, PyString_AS_STRING( v ), MESSAGE_LENGTH);
+			g_script_error.message[MESSAGE_LENGTH]= '\0';
+			Py_DECREF( v );
+		} else {
+			g_script_error.message[0] = '\0';
+		}
 		Py_DECREF( tb );
 	}
 

source/blender/src/drawtext.c

@@ -2014,6 +2014,18 @@ void txt_find_panel(SpaceText *st, int again, int flags)
 	}
 }
 
+static void txt_print_error(SpaceText *st, char* str)
+{
+	if (curarea->spacetype != SPACE_TEXT) return;
+	drawtextspace(curarea, st);
+	glColor3ub(128, 16, 16);
+	glRecti(22, curarea->winy-2, curarea->winx-2, curarea->winy-st->lheight-3);
+	glColor3ub(255, 32, 32);
+	glRasterPos2i(22, curarea->winy-st->lheight);
+	BMF_DrawString(spacetext_get_font(st), str);
+	curarea->win_swap= WIN_BACK_OK;
+}
+
 void run_python_script(SpaceText *st)
 {
 	char *py_filename;
@@ -2029,16 +2041,17 @@ void run_python_script(SpaceText *st)
 		if (!st->text) return;
 
 		if (!strcmp(py_filename, st->text->id.name+2)) {
-			error_pyscript(  );
+			//error_pyscript(  );
 			if (lineno >= 0) {
 				txt_move_toline(text, lineno-1, 0);
 				txt_sel_line(text);
 				pop_space_text(st);
-			}	
+			}
+			txt_print_error(st, BPY_Err_getMessage());
 		} else {
 			error("Error in other (possibly external) file, "\
 				"check console");
-		}	
+		}
 	}
 }
 
@@ -2862,7 +2875,6 @@ void winqreadtextspace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 		case PKEY:
 			if (G.qual == LR_ALTKEY) {
 				run_python_script(st);
-				do_draw= 1;
 			}
 			break; /* BREAK P */
 		case QKEY: