3 bup_python="$(dirname "$0")/bup-python" || exit $?
4 exec "$bup_python" "$0" ${1+"$@"}
8 from calendar import timegm
9 from pipes import quote
10 from subprocess import check_call
11 from time import strftime, strptime
15 from bup import git, options, vfs
16 from bup.helpers import handle_ctrl_c, log, readpipe, saved_errors, unlink
20 bup import-duplicity [-n] <duplicity-source-url> <bup-save-name>
22 n,dry-run don't do anything; just print what would be done
27 if isinstance(cmd, basestring):
30 log(' '.join(map(quote, cmd)) + '\n')
33 def exc(cmd, shell=False):
37 check_call(cmd, shell=shell)
39 def exo(cmd, shell=False):
43 return readpipe(cmd, shell=shell)
48 log('\nbup: import-duplicity is EXPERIMENTAL (proceed with caution)\n\n')
50 o = options.Options(optspec)
51 opt, flags, extra = o.parse(sys.argv[1:])
53 if len(extra) < 1 or not extra[0]:
54 o.fatal('duplicity source URL required')
55 if len(extra) < 2 or not extra[1]:
56 o.fatal('bup destination save name required')
58 o.fatal('too many arguments')
60 source_url, save_name = extra
63 git.check_repo_or_die()
64 top = vfs.RefList(None)
66 tmpdir = tempfile.mkdtemp(prefix='bup-import-dup-')
68 dup = ['duplicity', '--archive-dir', tmpdir + '/dup-cache']
69 restoredir = tmpdir + '/restore'
70 tmpidx = tmpdir + '/index'
72 exo(' '.join(map(quote, dup))
73 + ' collection-status --log-fd=3 %s 3>&1 1>&2' % quote(source_url),
75 # Duplicity output lines of interest look like this (one leading space):
76 # full 20150222T073111Z 1 noenc
77 # inc 20150222T073233Z 1 noenc
79 for line in collection_status.splitlines():
80 if line.startswith(' inc '):
81 assert(len(line) >= len(' inc 20150222T073233Z'))
82 dup_timestamps.append(line[5:21])
83 elif line.startswith(' full '):
84 assert(len(line) >= len(' full 20150222T073233Z'))
85 dup_timestamps.append(line[6:22])
86 for i, dup_ts in enumerate(dup_timestamps):
87 tm = strptime(dup_ts, '%Y%m%dT%H%M%SZ')
88 exc(['rm', '-rf', restoredir])
89 exc(dup + ['restore', '-t', dup_ts, source_url, restoredir])
90 exc([bup, 'index', '-uxf', tmpidx, restoredir])
91 exc([bup, 'save', '--strip', '--date', str(timegm(tm)), '-f', tmpidx,
92 '-n', save_name, restoredir])
94 exc(['rm', '-rf', tmpdir])
97 log('warning: %d errors encountered\n' % len(saved_errors))