+# Copyright 2011 GRNET S.A. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or
+# without modification, are permitted provided that the following
+# conditions are met:
+#
+# 1. Redistributions of source code must retain the above
+# copyright notice, this list of conditions and the following
+# disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following
+# disclaimer in the documentation and/or other materials
+# provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
+# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# The views and conclusions contained in the software and
+# documentation are those of the authors and should not be
+# interpreted as representing official policies, either expressed
+# or implied, of GRNET S.A.
+
+from hashmap import HashMap
+from binascii import hexlify, unhexlify
+from cStringIO import StringIO
+from lib.client import Fault
+
+import os
+import sys
+
+def smart_upload(client, file, blocksize, blockhash):
+ dest_container = 'pithos'
+ dest_object = os.path.split(file)[-1]
+
+ size = os.path.getsize(file)
+ hashes = HashMap(sys.argv[1], blocksize, blockhash)
+ map = {'bytes': size, 'hashes': [hexlify(x) for x in hashes]}
+
+ try:
+ client.create_object_by_hashmap(dest_container, dest_object, map)
+ except Fault, fault:
+ if fault.status != 409:
+ raise
+ else:
+ return
+
+ missing = fault.data.split('\n')
+ if '' in missing:
+ del missing[missing.index(''):]
+
+ with open(file) as fp:
+ for hash in missing:
+ offset = hashes.index(unhexlify(hash)) * BLOCK_SIZE
+ fp.seek(offset)
+ block = fp.read(BLOCK_SIZE)
+ client.create_object('pithos', '.upload', StringIO(block))
+
+ client.create_object_by_hashmap(dest_container, dest_object, map)
\ No newline at end of file