Beispiel #1
0
def main():
    parser = argparse.ArgumentParser(
        description=
        'Receives output from "shatag -0" and records it in the local database '
    )
    parser.add_argument(
        '-d',
        '--database',
        metavar='DB',
        help='path to sqlite database (defaults to $HOME/.shatagdb)')
    parser.add_argument('-v',
                        '--verbose',
                        action='store_true',
                        help='report additions to the database')
    parser.add_argument(
        '-b',
        '--base',
        metavar='PATH',
        help='base path getting processed (for deletion of older entries)',
        default='/')
    parser.add_argument('name',
                        metavar='NAME',
                        help='name of storage location')

    args = parser.parse_args()

    if args.base[-1] != '/':
        args.base += '/'

    store = shatag.Store(url=args.database, name=args.name)

    pattern = re.compile('([0-9a-f]{64})  (.*)')

    new_rows = 0
    old_rows = store.clear(args.base)

    for entry in fileLineIter(sys.stdin, inputNewline='\0', outputNewline=''):
        match = pattern.match(entry)
        if match is not None:
            (hash, filename) = match.group(1, 2)
            if args.verbose:
                print("{0}  {1}\n".format(hash, filename))
            new_rows += 1
            store.record(args.name, filename, hash)
        else:
            print('Error: incorrectly formatted entry\n', file=sys.stderr)

    if new_rows > 0:
        store.commit()

        print('{0} rows added, {1} rows deleted ({2})'.format(
            new_rows, old_rows, new_rows - old_rows),
              file=sys.stderr)

    else:
        store.rollback()
        print('No records received, preserving old database.', file=sys.stderr)
Beispiel #2
0
def main():

    args = parser.parse_args()

    if args.files == []:
        if args.tag or args.update:
            print('shatag: Error: file name(s) required when using -t or -u',
                  file=sys.stderr)
        else:
            args.files = filter(
                lambda x: (args.recursive or os.path.isfile(x)) and not x.
                startswith('.'), os.listdir('.'))

    if (args.quiet and (not args.verbose)
            and not (args.update or args.tag or args.put)):
        print(
            'shatag: Warning: this combination of flags does not do anything.',
            file=sys.stderr)
        exit(1)

    if (args.quiet and args.null):
        print('shatag: Warning: --null useless when using --quiet',
              file=sys.stderr)

    end = args.null and '\0' or '\n'
    store = None

    if args.lookup or args.lookup_verbose or args.put:
        store = shatag.Store(name=args.name, url=args.database)

    backend = shatag.backend(args.backend)

    def process(filename):
        try:

            if args.recursive:
                if os.path.isdir(filename) and not os.path.islink(filename):
                    [
                        process(os.path.join(filename, e))
                        for e in os.listdir(filename) if not e.startswith('.')
                    ]
                    return

            else:
                if not os.path.isfile(filename):
                    print(
                        'shatag: Warning: {0} is not a file'.format(filename),
                        file=sys.stderr)
                    return

            file = backend.file(filename)
            if args.verbose:
                file.verbose()

            if args.force and (args.update or args.tag):
                file.rehash()

            if args.update:
                file.update()

            if args.tag:
                file.tag()

            try:
                if not (args.quiet or args.lookup or args.lookup_verbose):
                    file.fsprint(file.show(canonical=args.canonical), end=end)

                if args.put:
                    store.put(file)

                if args.lookup:
                    file.fsprint(
                        store.lookup(file, remotenames=args.remote).pretty())

                if args.lookup_verbose:
                    r = store.lookup(file)
                    print("{0}:".format(file.path(canonical=args.canonical)))
                    for (name, path) in (r.local + r.remote):
                        print("\t{0}:{1}".format(name, path))

            except shatag.NoChecksum:
                pass

        except IOError as e:
            print('shatag: "{0}": IOError {1}: {2}'.format(
                filename.encode(), e.errno, e.strerror),
                  file=sys.stderr)
            if e.errno == errno.EPIPE:
                raise
            if e.errno == errno.ENOTSUP:
                print(
                    'shatag: "{0}": Operation Unsupported. Did you forget to enable user_xattr ?'
                    .format(filename.encode()),
                    file=sys.stderr)
        except OSError as e:
            print('shatag: {0}'.format(e), file=sys.stderr)

    for filename in args.files:
        if args.put and args.recursive:
            store.clear(os.path.abspath(filename))
        process(filename)

    if args.put:
        store.commit()
Beispiel #3
0
def main():

    config = shatag.Config()

    parser = argparse.ArgumentParser(
        description='Monitors files with inotify and automatically update')
    parser.add_argument('-u',
                        '--update',
                        action='store_true',
                        help='Only update already tagged files')
    parser.add_argument('-p',
                        '--put',
                        action='store_true',
                        help='Send new hashes to database')
    parser.add_argument('-v',
                        '--verbose',
                        action='store_true',
                        help='report missing/invalid checksums')
    parser.add_argument('-b',
                        '--backend',
                        metavar='BACKEND',
                        help='backend for local tag storage',
                        default=config.backend)
    parser.add_argument('-r',
                        '--recursive',
                        action='store_true',
                        help='watch recursively')
    parser.add_argument('-d',
                        '--daemon',
                        action='store_true',
                        help='daemonize')

    parser.add_argument('paths',
                        metavar='PATH',
                        nargs='+',
                        help='paths to monitor')

    args = parser.parse_args()

    backend = shatag.backend(args.backend)
    store = None
    if args.put:
        store = shatag.Store(name=config.name, url=config.database)
        print("shatagd: updating database {0} with name {1}".format(
            config.database, store.name),
              file=sys.stderr)

    class Handler(pyinotify.ProcessEvent):
        def process_IN_CLOSE_WRITE(self, evt):
            try:
                file = backend.file(evt.pathname)

                if args.update:
                    file.update()
                else:
                    file.tag()

                if args.verbose:
                    print(evt.pathname)

                if args.put:
                    store.put(file)
                    store.commit()

            except IOError as e:
                print('shatagd: "{0}": IOError {1}: {2}'.format(
                    filename, e.errno, e.strerror),
                      file=sys.stderr)

            except OSError as e:
                print('shatagd: {0}'.format(e), file=sys.stderr)

    wm = pyinotify.WatchManager()
    nf = pyinotify.AsyncNotifier(wm, Handler())
    nf.coalesce_events()

    for path in args.paths:
        if (args.daemon and path[0] != '/'):
            print(
                "Warning: relative path {0} ignored in daemon mode. Use absolute paths."
                .format(path),
                file=sys.stderr)
        else:
            wm.add_watch(path,
                         pyinotify.IN_CLOSE_WRITE | pyinotify.IN_CREATE,
                         rec=args.recursive,
                         auto_add=args.recursive)

    if (args.daemon):

        print("Daemonizing...", file=sys.stderr)
        try:
            pid = os.fork()
            if pid > 0:
                sys.exit(0)

            os.chdir("/")
            os.setsid()
            os.umask(0)

            pid = os.fork()
            if pid > 0:
                sys.exit(0)
        except OSError as e:
            print("OS Error: {0}".format(e), file=sys.stderr)
            sys.exit(1)

    asyncore.loop()