[Rdiff-backup-commits] Changes to rdiff-backup/rdiff_backup/hash.py

[Ben Escoto]

Index: rdiff-backup/rdiff_backup/hash.py
diff -u rdiff-backup/rdiff_backup/hash.py:1.1 
rdiff-backup/rdiff_backup/hash.py:1.2
--- rdiff-backup/rdiff_backup/hash.py:1.1       Thu Oct 27 06:16:39 2005
+++ rdiff-backup/rdiff_backup/hash.py   Mon Oct 31 04:53:31 2005
@@ -20,6 +20,7 @@
 """Contains a file wrapper that returns a hash on close"""
 
 import sha
+import Globals
 
 class FileWrapper:
        """Wrapper around a file-like object
@@ -51,3 +52,17 @@
        def __init__(self, close_val, sha1_digest):
                assert not close_val # For now just assume inner file closes 
correctly
                self.sha1_digest = sha1_digest
+
+
+def compute_sha1(rp, compressed = 0):
+       """Return the hex sha1 hash of given rpath"""
+       assert rp.conn is Globals.local_connection # inefficient not to do 
locally
+       blocksize = Globals.blocksize
+       fp = FileWrapper(rp.open("r", compressed))
+       while 1:
+               if not fp.read(blocksize): break
+       digest = fp.close().sha1_digest
+       rp.set_sha1(digest)
+       return digest
+
+