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| author | Lars Wirzenius <liw@liw.fi> | 2013-08-05 19:31:00 +0100 |
|---|---|---|
| committer | Lars Wirzenius <liw@liw.fi> | 2013-08-05 19:31:00 +0100 |
| commit | 1b899fac85976d69137d4685b3c8f1f18ab83f19 (patch) | |
| tree | 0314f30150c4c0bcbafc2eb2bf6cc0bcc3684184 | |
| parent | b298971d4992d63e7e8da53eaca29c1be8cebae3 (diff) | |
| parent | 1b5777036e05a66a3c535aafb6d5915b7c800831 (diff) | |
| download | obnam-1b899fac85976d69137d4685b3c8f1f18ab83f19.tar.gz | |
Add a tiny speedup patch
| -rw-r--r-- | obnamlib/checksumtree.py | 2 | ||||
| -rw-r--r-- | obnamlib/chunklist.py | 5 | ||||
| -rw-r--r-- | obnamlib/clientlist.py | 2 |
3 files changed, 5 insertions, 4 deletions
diff --git a/obnamlib/checksumtree.py b/obnamlib/checksumtree.py index 75d6c3a7..3fdc0ac5 100644 --- a/obnamlib/checksumtree.py +++ b/obnamlib/checksumtree.py @@ -33,7 +33,7 @@ class ChecksumTree(obnamlib.RepositoryTree): upload_queue_size, lru_size, hooks): tracing.trace('new ChecksumTree name=%s' % name) self.fmt = '!%dsQQ' % checksum_length - key_bytes = len(self.key('', 0, 0)) + key_bytes = struct.calcsize(self.fmt) obnamlib.RepositoryTree.__init__(self, fs, name, key_bytes, node_size, upload_queue_size, lru_size, hooks) self.keep_just_one_tree = True diff --git a/obnamlib/chunklist.py b/obnamlib/chunklist.py index c6557d0b..5e1daf77 100644 --- a/obnamlib/chunklist.py +++ b/obnamlib/chunklist.py @@ -35,14 +35,15 @@ class ChunkList(obnamlib.RepositoryTree): def __init__(self, fs, node_size, upload_queue_size, lru_size, hooks): tracing.trace('new ChunkList') - self.key_bytes = len(self.key(0)) + self.fmt = '!Q' + self.key_bytes = struct.calcsize(self.fmt) obnamlib.RepositoryTree.__init__(self, fs, 'chunklist', self.key_bytes, node_size, upload_queue_size, lru_size, hooks) self.keep_just_one_tree = True def key(self, chunk_id): - return struct.pack('!Q', chunk_id) + return struct.pack(self.fmt, chunk_id) def add(self, chunk_id, checksum): tracing.trace('chunk_id=%s', chunk_id) diff --git a/obnamlib/clientlist.py b/obnamlib/clientlist.py index 9ca3d5a2..69ff1708 100644 --- a/obnamlib/clientlist.py +++ b/obnamlib/clientlist.py @@ -49,7 +49,7 @@ class ClientList(obnamlib.RepositoryTree): tracing.trace('new ClientList') self.hash_len = len(self.hashfunc('')) self.fmt = '!%dsQB' % self.hash_len - self.key_bytes = len(self.key('', 0, 0)) + self.key_bytes = struct.calcsize(self.fmt) self.minkey = self.hashkey('\x00' * self.hash_len, 0, 0) self.maxkey = self.hashkey('\xff' * self.hash_len, obnamlib.MAX_ID, self.SUBKEY_MAX) |