mirror of https://github.com/borgbackup/borg.git
253 lines
10 KiB
Python
253 lines
10 KiB
Python
import argparse
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from datetime import datetime
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import os
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import stat
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import sys
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from .archive import Archive
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from .store import Store
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from .cache import Cache
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from .keychain import Keychain
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from .helpers import location_validator, format_file_size, format_time,\
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format_file_mode, walk_dir, IncludePattern, ExcludePattern, exclude_path
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class Archiver(object):
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def __init__(self):
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self.exit_code = 0
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def open_store(self, location):
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return Store(location.path)
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def print_error(self, msg, *args):
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msg = args and msg % args or msg
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self.exit_code = 1
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print >> sys.stderr, msg
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def print_verbose(self, msg, *args, **kw):
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if self.verbose:
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msg = args and msg % args or msg
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if kw.get('newline', True):
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print msg
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else:
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print msg,
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def do_init(self, args):
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Store(args.store.path, create=True)
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return self.exit_code
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def do_create(self, args):
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store = self.open_store(args.archive)
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keychain = Keychain(args.keychain)
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try:
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Archive(store, keychain, args.archive.archive)
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except Archive.DoesNotExist:
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pass
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else:
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self.print_error('Archive already exists')
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return self.exit_code
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archive = Archive(store, keychain)
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cache = Cache(store, keychain)
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for path in args.paths:
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for path, st in walk_dir(unicode(path)):
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if exclude_path(path, args.patterns):
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continue
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self.print_verbose(path)
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if stat.S_ISDIR(st.st_mode):
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archive.process_dir(path, st)
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elif stat.S_ISLNK(st.st_mode):
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archive.process_symlink(path, st)
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elif stat.S_ISFIFO(st.st_mode):
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archive.process_fifo(path, st)
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elif stat.S_ISREG(st.st_mode):
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try:
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archive.process_file(path, st, cache)
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except IOError, e:
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self.print_error('%s: %s', path, e)
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else:
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self.print_error('Unknown file type: %s', path)
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archive.save(args.archive.archive)
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cache.save()
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return self.exit_code
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def do_extract(self, args):
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store = self.open_store(args.archive)
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keychain = Keychain(args.keychain)
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archive = Archive(store, keychain, args.archive.archive)
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archive.get_items()
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dirs = []
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for item in archive.items:
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if exclude_path(item['path'], args.patterns):
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continue
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self.print_verbose(item['path'])
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archive.extract_item(item, args.dest)
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if stat.S_ISDIR(item['mode']):
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dirs.append(item)
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if dirs and not item['path'].startswith(dirs[-1]['path']):
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# Extract directories twice to make sure mtime is correctly restored
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archive.extract_item(dirs.pop(-1), args.dest)
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while dirs:
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archive.extract_item(dirs.pop(-1), args.dest)
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return self.exit_code
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def do_delete(self, args):
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store = self.open_store(args.archive)
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keychain = Keychain(args.keychain)
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archive = Archive(store, keychain, args.archive.archive)
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cache = Cache(store, keychain)
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archive.delete(cache)
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return self.exit_code
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def do_list(self, args):
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store = self.open_store(args.src)
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keychain = Keychain(args.keychain)
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if args.src.archive:
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tmap = {1: 'p', 2: 'c', 4: 'd', 6: 'b', 010: '-', 012: 'l', 014: 's'}
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archive = Archive(store, keychain, args.src.archive)
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archive.get_items()
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for item in archive.items:
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type = tmap.get(item['mode'] / 4096, '?')
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mode = format_file_mode(item['mode'])
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size = item.get('size', 0)
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mtime = format_time(datetime.fromtimestamp(item['mtime']))
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print '%s%s %-6s %-6s %8d %s %s' % (type, mode, item['user'],
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item['group'], size, mtime, item['path'])
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else:
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for archive in Archive.list_archives(store, keychain):
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print '%(name)-20s %(time)s' % archive.metadata
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return self.exit_code
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def do_verify(self, args):
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store = self.open_store(args.archive)
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keychain = Keychain(args.keychain)
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archive = Archive(store, keychain, args.archive.archive)
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archive.get_items()
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for item in archive.items:
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if stat.S_ISREG(item['mode']) and not 'source' in item:
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self.print_verbose('%s ...', item['path'], newline=False)
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if archive.verify_file(item):
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self.print_verbose('OK')
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else:
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self.print_verbose('ERROR')
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self.print_error('%s: verification failed' % item['path'])
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return self.exit_code
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def do_info(self, args):
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store = self.open_store(args.archive)
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keychain = Keychain(args.keychain)
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archive = Archive(store, keychain, args.archive.archive)
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cache = Cache(store, keychain)
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osize, csize, usize = archive.stats(cache)
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print 'Name:', archive.metadata['name']
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print 'Hostname:', archive.metadata['hostname']
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print 'Username:', archive.metadata['username']
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print 'Time:', archive.metadata['time']
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print 'Command line:', ' '.join(archive.metadata['cmdline'])
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print 'Number of Files:', len(archive.items)
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print 'Original size:', format_file_size(osize)
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print 'Compressed size:', format_file_size(csize)
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print 'Unique data:', format_file_size(usize)
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return self.exit_code
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def do_init_keychain(self, args):
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return Keychain.generate(args.keychain)
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def do_export_restricted(self, args):
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keychain = Keychain(args.keychain)
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keychain.restrict(args.output)
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return self.exit_code
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def do_keychain_chpass(self, args):
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return Keychain(args.keychain).chpass()
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def run(self, args=None):
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default_keychain = os.path.join(os.path.expanduser('~'),
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'.darc', 'keychain')
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parser = argparse.ArgumentParser(description='DARC - Deduplicating Archiver')
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parser.add_argument('-k', '--keychain', dest='keychain', type=str,
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default=default_keychain,
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help='Keychain to use')
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parser.add_argument('-v', '--verbose', dest='verbose', action='store_true',
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default=False,
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help='Verbose output')
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subparsers = parser.add_subparsers(title='Available subcommands')
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subparser = subparsers.add_parser('init-keychain')
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subparser.set_defaults(func=self.do_init_keychain)
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subparser = subparsers.add_parser('export-restricted')
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subparser.add_argument('output', metavar='OUTPUT', type=str,
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help='Keychain to create')
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subparser.set_defaults(func=self.do_export_restricted)
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subparser = subparsers.add_parser('change-password')
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subparser.set_defaults(func=self.do_keychain_chpass)
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subparser = subparsers.add_parser('init')
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subparser.set_defaults(func=self.do_init)
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subparser.add_argument('store', metavar='STORE',
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type=location_validator(archive=False),
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help='Store to initialize')
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subparser = subparsers.add_parser('create')
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subparser.set_defaults(func=self.do_create)
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subparser.add_argument('-i', '--include', dest='patterns',
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type=IncludePattern, action='append',
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help='Include condition')
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subparser.add_argument('-e', '--exclude', dest='patterns',
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type=ExcludePattern, action='append',
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help='Include condition')
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subparser.add_argument('archive', metavar='ARCHIVE',
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type=location_validator(archive=True),
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help='Archive to create')
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subparser.add_argument('paths', metavar='PATH', nargs='+', type=str,
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help='Paths to add to archive')
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subparser = subparsers.add_parser('extract')
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subparser.set_defaults(func=self.do_extract)
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subparser.add_argument('-i', '--include', dest='patterns',
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type=IncludePattern, action='append',
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help='Include condition')
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subparser.add_argument('-e', '--exclude', dest='patterns',
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type=ExcludePattern, action='append',
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help='Include condition')
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subparser.add_argument('archive', metavar='ARCHIVE',
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type=location_validator(archive=True),
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help='Archive to create')
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subparser.add_argument('dest', metavar='DEST', type=str, nargs='?',
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help='Where to extract files')
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subparser = subparsers.add_parser('delete')
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subparser.set_defaults(func=self.do_delete)
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subparser.add_argument('archive', metavar='ARCHIVE',
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type=location_validator(archive=True),
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help='Archive to delete')
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subparser = subparsers.add_parser('list')
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subparser.set_defaults(func=self.do_list)
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subparser.add_argument('src', metavar='SRC', type=location_validator(),
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help='Store/Archive to list contents of')
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subparser= subparsers.add_parser('verify')
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subparser.set_defaults(func=self.do_verify)
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subparser.add_argument('archive', metavar='ARCHIVE',
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type=location_validator(archive=True),
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help='Archive to verity integrity of')
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subparser= subparsers.add_parser('info')
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subparser.set_defaults(func=self.do_info)
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subparser.add_argument('archive', metavar='ARCHIVE',
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type=location_validator(archive=True),
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help='Archive to display information about')
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args = parser.parse_args(args)
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self.verbose = args.verbose
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return args.func(args)
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def main():
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archiver = Archiver()
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sys.exit(archiver.run())
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if __name__ == '__main__':
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main()
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