1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
# Copyright (C) 2009-2011 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import cliapp
__version__ = '0.21'
# Import _obnam if it is there. We need to be able to do things without
# it, especially at build time, while we're generating manual pages.
# If _obnam is not there, substitute a dummy that throws an exception
# if used.
class DummyExtension(object):
def __getattr__(self, name):
raise Exception('Trying to use _obnam, but that was not found.')
try:
import _obnam
except ImportError:
_obnam = DummyExtension()
from pluginmgr import PluginManager
class Error(cliapp.AppException):
pass
DEFAULT_NODE_SIZE = 64 * 1024
DEFAULT_CHUNK_SIZE = 64 * 1024
DEFAULT_UPLOAD_QUEUE_SIZE = 1024
DEFAULT_LRU_SIZE = 500
DEFAULT_CHUNKIDS_PER_GROUP = 1024
# The following values have been determined empirically on a laptop
# with an encrypted ext4 filesystem. Other values might be better for
# other situations.
IDPATH_DEPTH = 3
IDPATH_BITS = 12
IDPATH_SKIP = 13
# Maximum identifier for clients, chunks, files, etc. This is the largest
# unsigned 64-bit value. In various places we assume 64-bit field sizes
# for on-disk data structures.
MAX_ID = 2**64 - 1
from sizeparse import SizeSyntaxError, UnitNameError, ByteSizeParser
from encryption import (generate_symmetric_key,
encrypt_symmetric,
decrypt_symmetric,
get_public_key,
Keyring,
SecretKeyring,
encrypt_with_keyring,
decrypt_with_secret_keys,
SymmetricKeyCache)
from hooks import Hook, FilterHook, HookManager
from pluginbase import ObnamPlugin
from vfs import VirtualFileSystem, VfsFactory, VfsTests
from vfs_local import LocalFS
from metadata import (read_metadata, set_metadata, Metadata, metadata_fields,
metadata_verify_fields, encode_metadata, decode_metadata)
from repo_tree import RepositoryTree
from chunklist import ChunkList
from clientlist import ClientList
from checksumtree import ChecksumTree
from clientmetadatatree import ClientMetadataTree
from repo import Repository, LockFail, BadFormat
from forget_policy import ForgetPolicy
from app import App
__all__ = locals()
|
