borg/dedupestore/archiver.py

125 lines
4.8 KiB
Python

import argparse
import logging
import sys
from .archive import Archive
from .bandstore import BandStore
from .cache import Cache
from .helpers import location_validator, pretty_size, LevelFilter
class Archiver(object):
def open_store(self, location):
store = BandStore(location.path)
cache = Cache(store)
return store, cache
def exit_code_from_logger(self):
return 1 if self.level_filter.count.get('ERROR') else 0
def do_create(self, args):
store, cache = self.open_store(args.archive)
archive = Archive(store, cache)
archive.create(args.archive.archive, args.paths, cache)
return self.exit_code_from_logger()
def do_extract(self, args):
store, cache = self.open_store(args.archive)
archive = Archive(store, cache, args.archive.archive)
archive.extract(args.dest)
return self.exit_code_from_logger()
def do_delete(self, args):
store, cache = self.open_store(args.archive)
archive = Archive(store, cache, args.archive.archive)
archive.delete(cache)
return self.exit_code_from_logger()
def do_list(self, args):
store, cache = self.open_store(args.src)
if args.src.archive:
archive = Archive(store, cache, args.src.archive)
archive.list()
else:
for archive in sorted(cache.archives):
print archive
return self.exit_code_from_logger()
def do_verify(self, args):
store, cache = self.open_store(args.archive)
archive = Archive(store, cache, args.archive.archive)
archive.verify()
return self.exit_code_from_logger()
def do_info(self, args):
store, cache = self.open_store(args.archive)
archive = Archive(store, cache, args.archive.archive)
stats = archive.stats(cache)
print 'Original size:', pretty_size(stats['osize'])
print 'Compressed size:', pretty_size(stats['csize'])
print 'Unique data:', pretty_size(stats['usize'])
return self.exit_code_from_logger()
def run(self, args=None):
parser = argparse.ArgumentParser(description='Dedupestore')
parser.add_argument('-v', '--verbose', dest='verbose', action='store_true',
default=False,
help='Verbose output')
subparsers = parser.add_subparsers(title='Available subcommands')
subparser = subparsers.add_parser('create')
subparser.set_defaults(func=self.do_create)
subparser.add_argument('archive', metavar='ARCHIVE',
type=location_validator(archive=True),
help='Archive to create')
subparser.add_argument('paths', metavar='PATH', nargs='+', type=str,
help='Paths to add to archive')
subparser = subparsers.add_parser('extract')
subparser.set_defaults(func=self.do_extract)
subparser.add_argument('archive', metavar='ARCHIVE',
type=location_validator(archive=True),
help='Archive to create')
subparser.add_argument('dest', metavar='DEST', type=str, nargs='?',
help='Where to extract files')
subparser = subparsers.add_parser('delete')
subparser.set_defaults(func=self.do_delete)
subparser.add_argument('archive', metavar='ARCHIVE',
type=location_validator(archive=True),
help='Archive to delete')
subparser = subparsers.add_parser('list')
subparser.set_defaults(func=self.do_list)
subparser.add_argument('src', metavar='SRC', type=location_validator(),
help='Store/Archive to list contents of')
subparser= subparsers.add_parser('verify')
subparser.set_defaults(func=self.do_verify)
subparser.add_argument('archive', metavar='ARCHIVE',
type=location_validator(archive=True),
help='Archive to verity integrity of')
subparser= subparsers.add_parser('info')
subparser.set_defaults(func=self.do_info)
subparser.add_argument('archive', metavar='ARCHIVE',
type=location_validator(archive=True),
help='Archive to display information about')
args = parser.parse_args(args)
if args.verbose:
logging.basicConfig(level=logging.INFO, format='%(message)s')
else:
logging.basicConfig(level=logging.WARNING, format='%(message)s')
self.level_filter = LevelFilter()
logging.getLogger('').addFilter(self.level_filter)
return args.func(args)
def main():
archiver = Archiver()
sys.exit(archiver.run())
if __name__ == '__main__':
main()