--- wallpapoz-0.4.1-svn92_trunk/src/wallpapoz.dircheck	2010-02-08 02:25:38.000000000 +0900
+++ wallpapoz-0.4.1-svn92_trunk/src/wallpapoz	2010-02-08 02:16:08.000000000 +0900
@@ -538,6 +538,9 @@
         # if recursive, we use walktree
 	if recursive_widget.get_active():
 	  # looping with walktree method
+          if not os.path.isdir(cur_dir):
+            return
+
 	  for (basepath, children) in self.walktree(cur_dir,False):
 	    for child in children:
 	      # get the filename
@@ -553,7 +556,11 @@
         # if not just looping the directory with ordinary fashion
 	else:
 	  # looping all files in this directory
-	  for file in os.listdir(cur_dir):
+          try:
+            dlist = os.listdir(cur_dir)
+          except OSError:
+            return
+	  for file in dlist:
 	    # get the filename
 	    filename = os.path.join(cur_dir, file)
 	    # we interested in file, not directory
@@ -575,6 +582,9 @@
         # if recursive, we use walktree
 	if recursive_widget.get_active():
 	  # looping with walktree method
+          if not os.path.isdir(cur_dir):
+            return
+
 	  for (basepath, children) in self.walktree(cur_dir,False):
 	    for child in children:
 	      # get the filename
@@ -590,7 +600,11 @@
         # if not, just looping with ordinary fashion
         else:
 	  # looping all files in this directory
-	  for file in os.listdir(cur_dir):
+          try:
+            ddir = os.listdir(cur_dir)
+          except OSError:
+            return
+	  for file in ddir:
 	    # get the filename
 	    filename = os.path.join(cur_dir, file)
 	    # we interested in file, not directory
@@ -620,6 +634,9 @@
       cur_dir = filechooser_widget.get_filename()
       # if recursive, we use walktree
       if recursive_widget.get_active():
+        if not os.path.isdir(cur_dir):
+          return
+
 	# looping with walktree method
 	for (basepath, children) in self.walktree(cur_dir,False):
 	  for child in children:
@@ -636,7 +653,11 @@
       # if not recursive, just looping the directory with ordinary fashion
       else:
 	# looping all files in this directory
-	for file in os.listdir(cur_dir):
+        try:
+          dlist = os.listdir(cur_dir)
+        except OSError:
+          return
+	for file in dlist:
 	  # get the filename
 	  filename = os.path.join(cur_dir, file)
 	  # we interested in file, not directory
@@ -1219,7 +1240,11 @@
 
   # helping method
   def walktree (self, top = ".", depthfirst = True):
-    names = os.listdir(top)
+    try:
+      names = os.listdir(top)
+    except OSError:
+      names = []
+      yield top, names
     if not depthfirst:
       yield top, names
     for name in names: