changed the directory scheme. now create a directory for every first …

…character of the bucket name. the file name will be bucket + key and "/" will be substituted with "__"

cumulus/cb/pycb/cbPosixBackend.py

@@ -28,9 +28,6 @@ def __init__(self, installdir):
         except:
             pass
 
-    def hash_file(self, name):
-        return urllib.quote(name, '')
-
     # The POST request operation adds an object to a bucket using HTML forms.
     #
     #  Not implemented for now
@@ -48,15 +45,18 @@ def post_object():
     # 
     def put_object(self, bucketName, objectName):
         # first make the bucket directory if it does not exist
-        bdir = self.base_dir + "/" + bucketName
+        dir_name = bucketName[:1]
+        bdir = self.base_dir + "/" + dir_name
+
         try:
             os.mkdir(bdir)
         except OSError, ose:
             if ose.errno != 17:
                 raise
 
-        objectName = objectName.replace("/", "__")
-        (osf, x) = tempfile.mkstemp(dir=bdir, prefix=objectName)
+        fname = bucketName + "/" + objectName
+        fname = fname.replace("/", "__")
+        (osf, x) = tempfile.mkstemp(dir=bdir, prefix=fname)
         os.close(osf)
         data_key = x.strip()
         obj = cbPosixData(data_key, "w+b")