BugFix and error reporting

* Fix a bug if the macro path is invalid
* reporting exeptions if somethings fail in the Draft core modules init

src/Mod/Draft/InitGui.py

@@ -100,8 +100,9 @@ class DraftWorkbench (Workbench):
             FreeCADGui.addLanguagePath(":/translations")
             FreeCADGui.addIconPath(":/icons")
             self.appendMenu(["&Macro",translate("draft","Installed Macros")],macros.macrosList)
-        except:
-            pass
+        except Exception as inst:
+            print inst
+            FreeCAD.Console.PrintError("Error: Initializing one or more of the Draft modules failed, Draft will not work as expected.\n")
 
         # setup menus
         self.cmdList = ["Draft_Line","Draft_Wire","Draft_Circle","Draft_Arc","Draft_Ellipse",

src/Mod/Draft/macros.py

@@ -40,7 +40,7 @@ class MacroCommand():
             if os.path.exists(target): execfile(target)
 
             
-if macroPath:
+if macroPath and os.path.isdir(macroPath):
     macros = []
     for f in os.listdir(macroPath):
         if ".FCMacro" in f: