#3573: idle now doesn't hungs if launched as: idle -e <directory>

Patch by Guilherme Polo.

Lib/idlelib/NEWS.txt

+What's New in IDLE 3.2.3?
+=========================
+
+- Issue #3573: IDLE hangs when passing invalid command line args
+  (directory(ies) instead of file(s)).
+
+
 What's New in IDLE 3.2.1?
 =========================
 

Lib/idlelib/PyShell.py

@@ -1389,8 +1389,10 @@ def main():
 
     if enable_edit:
         if not (cmd or script):
-            for filename in args:
-                flist.open(filename)
+            for filename in args[:]:
+                if flist.open(filename) is None:
+                    # filename is a directory actually, disconsider it
+                    args.remove(filename)
             if not args:
                 flist.new()
     if enable_shell:

Misc/NEWS

@@ -28,6 +28,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #3573: IDLE hangs when passing invalid command line args
+  (directory(ies) instead of file(s)) (Patch by Guilherme Polo)
+
 - Issue #13694: asynchronous connect in asyncore.dispatcher does not set addr
   attribute.