From 4fad079b8425b7e2c5abb686694538133bc0d545 Mon Sep 17 00:00:00 2001
From: rolux <rolux@rolux.org>
Date: Tue, 9 Oct 2012 14:37:56 +0200
Subject: [PATCH] after remove and rename, remove newly emptied directories

---
 pandoraclient | 38 +++++++++++++++++++++++++++++++-------
 1 file changed, 31 insertions(+), 7 deletions(-)

diff --git a/pandoraclient b/pandoraclient
index ada687d..2f19e31 100755
--- a/pandoraclient
+++ b/pandoraclient
@@ -298,7 +298,25 @@ def organize():
 
 def execute_organize():
 
+    def get_empty_directories():
+        empty_directories = []
+        for absolute_path, dirnames, filenames in os.walk(volume_path, followlinks=True):
+            if not dirnames and not filenames:
+                empty_directories.append(absolute_path)
+        return empty_directories
+
+    def remove_file(path):
+        print 'Removing "%s"' % path
+        try:
+            if os.path.isdir(path):
+                os.rmdir(path)
+            else:
+                os.remove(path)
+        except:
+            raise IOError('Could not remove file')
+
     def rename_file(source, target):
+        print 'Renaming "%s" to "%s"' % (source, target)
         if not os.path.exists(source):
             raise IOError('Source does not exist')
         elif os.path.exists(target):
@@ -315,22 +333,18 @@ def execute_organize():
         sys.exit('%s not found' % FILES['organize'])
 
     data = ox.jsonc.load(open(FILES['organize']))
+    old_empty_directories = get_empty_directories()
     remove = map(lambda x: os.path.join(volume_path, x), data['automatic']['remove'])
     rename = map(lambda x: map(lambda y: os.path.join(volume_path, y), x), data['automatic']['rename'])
     errors = []
     for path in remove:
-        print 'Removing "%s"' % path
         try:
-            if os.path.isdir(path):
-                os.rmdir(path)
-            else:
-                os.remove(path)
+            remove_file(path)
         except:
             errors.append('Could not remove "%s"' % path)
     for paths in rename:
         source = paths[0]
         target = paths[1] + '.pandora'
-        print 'Renaming "%s" to "%s"' % (source, target)
         try:
             rename_file(source, target)
         except IOError as error:
@@ -338,11 +352,21 @@ def execute_organize():
     for paths in rename:
         source = paths[1] + '.pandora'
         target = paths[1]
-        print 'Renaming "%s" to "%s"' % (source, target)
         try:
             rename_file(source, target)
         except IOError as error:
             errors.append('Could not rename "%s" to "%s" (%s)' % (source, target, error))
+    while True:
+        new_empty_directories = [path for path in get_empty_directories() if not path in old_empty_directories]
+        if new_empty_directories:
+            for path in new_empty_directories:
+                try:
+                    remove_file(path)
+                except:
+                    errors.append('Could not remove "%s"' % path)
+        else:
+            break
+
     for error in errors:
         print error