diff options
Diffstat (limited to 'rdiff-backup/rdiff_backup/hash.py')
| -rw-r--r-- | rdiff-backup/rdiff_backup/hash.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/rdiff-backup/rdiff_backup/hash.py b/rdiff-backup/rdiff_backup/hash.py index 4fcbdab..3e7306f 100644 --- a/rdiff-backup/rdiff_backup/hash.py +++ b/rdiff-backup/rdiff_backup/hash.py @@ -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 @@ class Report: 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 + + |