moving conf_files creation scripts to nodeconfig

[myplc.git] / bin / clean-empty-dirs.py

diff --git a/bin/clean-empty-dirs.py b/bin/clean-empty-dirs.py
new file mode 100755 (executable)
index 0000000..244dfac
--- /dev/null
+++ b/bin/clean-empty-dirs.py
@@ -0,0 +1,55 @@
+#!/usr/bin/python
+###
+### $Id$
+###
+### utility script for cleaning empty directories
+### useful to clean up /var/tmp/bootmedium
+### 
+
+"""
+Usage: $0 dir [ .. dir]
+scans all provided directories and prunes any empty directory under
+the arg directories are always preserved 
+"""
+
+import os,sys
+
+### cleans up a everything under a given root
+def clean_root (path, cleanRoot = False):
+
+    if not os.path.isdir(path):
+        return
+    
+    # scan dir contents
+    files=os.listdir(path)
+
+    for x in files:
+        fullpath=os.path.join(path, x)
+        if os.path.isfile(fullpath):
+           # we do not remove files
+           return
+        elif os.path.isdir(fullpath):
+            clean_root(fullpath,True)
+
+    if (cleanRoot):
+       # rescan, and clean if empty
+       files=os.listdir(path)
+       if not files:
+           os.rmdir(path)
+
+ERROR_STR= """Error removing %(path)s, %(error)s """
+
+def main (dirs):
+
+    for dir in dirs:
+       try:
+           if dir.index("/") != 0:
+               print "%s: args must be absolute paths"%(sys.argv[0])
+               print "%s: %s ignored"%(sys.argv[0],dir)
+           else:
+               clean_root(dir)
+       except OSError, (errno, strerror):
+           print ERROR_STR % {'path' : path, 'error': strerror }
+
+if __name__ == '__main__':
+    main (sys.argv[1:])