Exemplo n.º 1
0
    def AddTorrentSkipHashCheck(self, logger, torrentPath, downloadPath):
        logger.info(
            "Adding torrent '%s' without hash checking to rTorrent to '%s'." %
            (torrentPath, downloadPath))

        sourceDirectory, sourceFilename = os.path.split(torrentPath)
        sourceFilename = "fast resume " + sourceFilename
        destinationTorrentPath = os.path.join(sourceDirectory, sourceFilename)

        if os.path.exists(destinationTorrentPath):
            raise PtpUploaderException(
                "Can't create fast resume torrent because path '%s' already exists."
                % destinationTorrentPath)

        shutil.copyfile(torrentPath, destinationTorrentPath)

        metainfo = bencode.bread(destinationTorrentPath)
        metafile.add_fast_resume(metainfo, downloadPath.encode('utf-8'))
        bencode.bwrite(destinationTorrentPath, metainfo)

        infoHash = ""
        try:
            infoHash = self.AddTorrent(logger, destinationTorrentPath,
                                       downloadPath)
        finally:
            # We always remove the fast resume torrent regardless of result of adding the torrent to rTorrent.
            # This ensures that even if adding to rTorent fails, then resuming the job will work.
            os.remove(destinationTorrentPath)

        return infoHash
Exemplo n.º 2
0
	def AddTorrentSkipHashCheck(self, logger, torrentPath, downloadPath):
		logger.info( "Adding torrent '%s' without hash checking to rTorrent to '%s'." % ( torrentPath, downloadPath ) );		

		sourceDirectory, sourceFilename = os.path.split( torrentPath );
		sourceFilename = "fast resume " + sourceFilename;
		destinationTorrentPath = os.path.join( sourceDirectory, sourceFilename );
		
		if os.path.exists( destinationTorrentPath ):
			raise PtpUploaderException( "Can't create fast resume torrent because path '%s' already exists." % destinationTorrentPath )
		
		shutil.copyfile( torrentPath, destinationTorrentPath );

		metainfo = bencode.bread( destinationTorrentPath )
		metafile.add_fast_resume( metainfo, downloadPath.encode( 'utf-8' ) )
		bencode.bwrite( destinationTorrentPath, metainfo )

		infoHash = ""
		try:
			infoHash = self.AddTorrent( logger, destinationTorrentPath, downloadPath )
		finally:
			# We always remove the fast resume torrent regardless of result of adding the torrent to rTorrent.
			# This ensures that even if adding to rTorent fails, then resuming the job will work.
			os.remove( destinationTorrentPath )

		return infoHash
Exemplo n.º 3
0
    def mainloop(self):
        """ The main loop.
        """
        if len(self.args) == 1 and "=urn:btih:" in self.args[0]:
            # Handle magnet link
            self.make_magnet_meta(self.args[0])
            return

        if not self.args:
            self.parser.print_help()
            self.parser.exit()
        elif len(self.args) < 2:
            self.parser.error("Expected a path and at least one announce URL, got: %s" % (' '.join(self.args),))

        # Create and configure metafile factory
        datapath = self.args[0].rstrip(os.sep)
        metapath = datapath
        if self.options.output_filename:
            metapath = self.options.output_filename
            if os.path.isdir(metapath):
                metapath = os.path.join(metapath, os.path.basename(datapath))
        if not metapath.endswith(".torrent"):
            metapath += ".torrent"
        torrent = metafile.Metafile(metapath)
        torrent.ignore.extend(self.options.exclude)

        def callback(meta):
            "Callback to set label and resume data."
            if self.options.cross_seed:
                meta["info"]["x_cross_seed_label"] = self.options.cross_seed
            if self.options.no_cross_seed:
                del meta["info"]["x_cross_seed"]

            # Set specific keys?
            metafile.assign_fields(meta, self.options.set)

        # Create and write the metafile(s)
        # TODO: make it work better with multiple trackers (hash only once), also create fast-resume file for each tracker
        meta = torrent.create(datapath, self.args[1:],
            progress=None if self.options.quiet else metafile.console_progress(),
            root_name=self.options.root_name, private=self.options.private, no_date=self.options.no_date,
            comment=self.options.comment, created_by="PyroScope %s" % self.version, callback=callback
        )

        # Create second metafile with fast-resume?
        if self.options.hashed:
            try:
                metafile.add_fast_resume(meta, datapath)
            except EnvironmentError, exc:
                self.fatal("Error making fast-resume data (%s)" % (exc,))
                raise

            hashed_path = re.sub(r"\.torrent$", "", metapath) + "-resume.torrent"
            self.LOG.info("Writing fast-resume metafile %r..." % (hashed_path,))
            try:
                bencode.bwrite(hashed_path, meta)
            except EnvironmentError, exc:
                self.fatal("Error writing fast-resume metafile %r (%s)" % (hashed_path, exc,))
                raise
Exemplo n.º 4
0
class MetafileChanger(ScriptBaseWithConfig):
    """ Change attributes of a bittorrent metafile.
    """

    # argument description for the usage information
    ARGS_HELP = "<metafile>..."

    # Keys of rTorrent session data
    RT_RESUMT_KEYS = ('libtorrent_resume', 'log_callback', 'err_callback', 'rtorrent')
              

    def add_options(self):
        """ Add program options.
        """
        super(MetafileChanger, self).add_options()

        self.add_bool_option("-n", "--dry-run",
            help="don't write changes to disk, just tell what would happen")
        self.add_bool_option("-V", "--no-skip",
            help="do not skip broken metafiles that fail the integrity check")
        self.add_value_option("-o", "--output-directory", "PATH",
            help="optional output directory for the modified metafile(s)")
        self.add_bool_option("-p", "--make-private",
            help="make torrent private (DHT/PEX disabled)")
        self.add_bool_option("-P", "--make-public",
            help="make torrent public (DHT/PEX enabled)")
        self.add_value_option("-s", "--set", "KEY=VAL [-s ...]",
            action="append", default=[],
            help="set a specific key to the given value")
        self.add_value_option("-r", "--regex", "KEYcREGEXcSUBSTc [-r ...]",
            action="append", default=[],
            help="replace pattern in a specific key by the given substitution")
        self.add_bool_option("-C", "--clean",
            help="remove all non-standard data from metafile outside the info dict")
        self.add_bool_option("-A", "--clean-all",
            help="remove all non-standard data from metafile including inside the info dict")
        self.add_bool_option("-X", "--clean-xseed",
            help="like --clean-all, but keep libtorrent resume information")
        self.add_bool_option("-R", "--clean-rtorrent",
            help="remove all rTorrent session data from metafile")
        self.add_value_option("-H", "--hashed", "--fast-resume", "DATAPATH",
            help="add libtorrent fast-resume information (use {} in place of the torrent's name in DATAPATH)")
        # TODO: chtor --tracker
        ##self.add_value_option("-T", "--tracker", "DOMAIN",
        ##    help="filter given torrents for a tracker domain")
        self.add_value_option("-a", "--reannounce", "URL",
            help="set a new announce URL, but only if the old announce URL matches the new one")
        self.add_value_option("--reannounce-all", "URL",
            help="set a new announce URL on ALL given metafiles")
        self.add_bool_option("--no-ssl",
            help="force announce URL to 'http'")
        self.add_bool_option("--no-cross-seed",
            help="when using --reannounce-all, do not add a non-standard field to the info dict ensuring unique info hashes")
        self.add_value_option("--comment", "TEXT",
            help="set a new comment (an empty value deletes it)")
        self.add_bool_option("--bump-date",
            help="set the creation date to right now")
        self.add_bool_option("--no-date",
            help="remove the 'creation date' field")


    def mainloop(self):
        """ The main loop.
        """
        if not self.args:
            self.parser.error("No metafiles given, nothing to do!")

        if 1 < sum(bool(i) for i in (self.options.no_ssl, self.options.reannounce, self.options.reannounce_all)):
            self.parser.error("Conflicting options --no-ssl, --reannounce and --reannounce-all!")

        # Set filter criteria for metafiles
        filter_url_prefix = None
        if self.options.reannounce:
            # <scheme>://<netloc>/<path>?<query>
            filter_url_prefix = urlparse.urlsplit(self.options.reannounce, allow_fragments=False)
            filter_url_prefix = urlparse.urlunsplit((
                filter_url_prefix.scheme, filter_url_prefix.netloc, '/', '', '' # bogus pylint: disable=E1103
            ))
            self.LOG.info("Filtering for metafiles with announce URL prefix %r..." % filter_url_prefix)

        if self.options.reannounce_all:
            self.options.reannounce = self.options.reannounce_all
        else:
            # When changing the announce URL w/o changing the domain, don't change the info hash!
            self.options.no_cross_seed = True

        # Resolve tracker alias, if URL doesn't look like an URL
        if self.options.reannounce and not urlparse.urlparse(self.options.reannounce).scheme:
            tracker_alias, idx = self.options.reannounce, "0"
            if '.' in tracker_alias:
                tracker_alias, idx = tracker_alias.split('.', 1)
            try:
                idx = int(idx, 10)
                _, tracker_url = config.lookup_announce_alias(tracker_alias)
                self.options.reannounce = tracker_url[idx]
            except (KeyError, IndexError, TypeError, ValueError), exc:
                raise error.UserError("Unknown tracker alias or bogus URL %r (%s)!" % (
                    self.options.reannounce, exc))

        # go through given files
        bad = 0
        changed = 0
        for filename in self.args:
            try:
                # Read and remember current content
                metainfo = bencode.bread(filename)
                old_metainfo = bencode.bencode(metainfo)
            except (EnvironmentError, KeyError, bencode.BencodeError), exc:
                self.LOG.warning("Skipping bad metafile %r (%s: %s)" % (filename, type(exc).__name__, exc))
                bad += 1
            else:
                # Check metafile integrity
                try:
                    metafile.check_meta(metainfo)
                except ValueError, exc:
                    self.LOG.warn("Metafile %r failed integrity check: %s" % (filename, exc,))
                    if not self.options.no_skip:
                        continue
                
                # Skip any metafiles that don't meet the pre-conditions
                if filter_url_prefix and not metainfo['announce'].startswith(filter_url_prefix):
                    self.LOG.warn("Skipping metafile %r no tracked by %r!" % (filename, filter_url_prefix,))
                    continue

                # Keep resume info safe
                libtorrent_resume = {}
                if "libtorrent_resume" in metainfo:
                    try:
                        libtorrent_resume["bitfield"] = metainfo["libtorrent_resume"]["bitfield"]
                    except KeyError:
                        pass # nothing to remember

                    libtorrent_resume["files"] = copy.deepcopy(metainfo["libtorrent_resume"]["files"])

                # Change private flag?
                if self.options.make_private and not metainfo["info"].get("private", 0):
                    self.LOG.info("Setting private flag...")
                    metainfo["info"]["private"] = 1
                if self.options.make_public and metainfo["info"].get("private", 0):
                    self.LOG.info("Clearing private flag...")
                    del metainfo["info"]["private"]

                # Remove non-standard keys?
                if self.options.clean or self.options.clean_all or self.options.clean_xseed:
                    metafile.clean_meta(metainfo, including_info=not self.options.clean, logger=self.LOG.info)

                # Restore resume info?
                if self.options.clean_xseed:
                    if libtorrent_resume:
                        self.LOG.info("Restoring key 'libtorrent_resume'...")
                        metainfo.setdefault("libtorrent_resume", {})
                        metainfo["libtorrent_resume"].update(libtorrent_resume)
                    else:
                        self.LOG.warn("No resume information found!")

                # Clean rTorrent data?
                if self.options.clean_rtorrent:
                    for key in self.RT_RESUMT_KEYS:
                        if key in metainfo:
                            self.LOG.info("Removing key %r..." % (key,))
                            del metainfo[key]

                # Change announce URL?
                if self.options.reannounce:
                    metainfo['announce'] = self.options.reannounce 
                    if "announce-list" in metainfo:
                        del metainfo["announce-list"]

                    if not self.options.no_cross_seed:
                        # Enforce unique hash per tracker
                        metainfo["info"]["x_cross_seed"] = hashlib.md5(self.options.reannounce).hexdigest()
                if self.options.no_ssl:
                    # We're assuming here the same (default) port is used
                    metainfo['announce'] = (metainfo['announce']
                        .replace("https://", "http://").replace(":443/", ":80/"))

                # Change comment or creation date?
                if self.options.comment is not None:
                    if self.options.comment:
                        metainfo["comment"] = self.options.comment
                    elif "comment" in metainfo:
                        del metainfo["comment"]
                if self.options.bump_date:
                    metainfo["creation date"] = long(time.time())
                if self.options.no_date and "creation date" in metainfo:
                    del metainfo["creation date"]
                    
                # Add fast-resume data?
                if self.options.hashed:
                    try:
                        metafile.add_fast_resume(metainfo, self.options.hashed.replace("{}", metainfo["info"]["name"]))
                    except EnvironmentError, exc:
                        self.fatal("Error making fast-resume data (%s)" % (exc,))
                        raise
        if ratio >= args.ratio or seeding_time >= max_seconds:

            D2Rlog.info("[ " + str(torrent_index + 1) + " ] " + " Selected <" +
                        details['name'] + "> Ratio: " + str(ratio) +
                        " Seed Time: " + str(seeding_time))

            delugeTorrent = os.path.join(delugeBasePath, torrent + ".torrent")

            #           Read Torrent
            metainfo = bencode.bread(delugeTorrent)

            payloadPath = os.path.join(details["save_path"],
                                       metainfo["info"]["name"])

            #           Add RTorrent Fast Resume
            rTorrent = metafile.add_fast_resume(metainfo, payloadPath)

            #           Determine where to save the new torrent
            destination = watchFolder

            if args.label:
                labeled = os.path.join(watchFolder, details["label"])

                #               Label Folder must exist, otherwise add torrent to base watch folder (no label)
                if os.path.exists(labeled):
                    destination = labeled

            torrentFile = os.path.join(destination, torrent + ".torrent")

            #           Write out rtorrent torrent to watch folder destination
            try:
Exemplo n.º 6
0
    def mainloop(self):
        """ The main loop.
        """
        if not self.args:
            self.parser.error("No metafiles given, nothing to do!")

        if 1 < sum(bool(i) for i in (self.options.no_ssl, self.options.reannounce, self.options.reannounce_all)):
            self.parser.error("Conflicting options --no-ssl, --reannounce and --reannounce-all!")

        # Set filter criteria for metafiles
        filter_url_prefix = None
        if self.options.reannounce:
            # <scheme>://<netloc>/<path>?<query>
            filter_url_prefix = urlparse.urlsplit(self.options.reannounce, allow_fragments=False)
            filter_url_prefix = urlparse.urlunsplit((
                filter_url_prefix.scheme, filter_url_prefix.netloc, '/', '', '' # bogus pylint: disable=E1103
            ))
            self.LOG.info("Filtering for metafiles with announce URL prefix %r..." % filter_url_prefix)

        if self.options.reannounce_all:
            self.options.reannounce = self.options.reannounce_all
        else:
            # When changing the announce URL w/o changing the domain, don't change the info hash!
            self.options.no_cross_seed = True

        # Resolve tracker alias, if URL doesn't look like an URL
        if self.options.reannounce and not urlparse.urlparse(self.options.reannounce).scheme:
            tracker_alias, idx = self.options.reannounce, "0"
            if '.' in tracker_alias:
                tracker_alias, idx = tracker_alias.split('.', 1)
            try:
                idx = int(idx, 10)
                _, tracker_url = config.lookup_announce_alias(tracker_alias)
                self.options.reannounce = tracker_url[idx]
            except (KeyError, IndexError, TypeError, ValueError) as exc:
                raise error.UserError("Unknown tracker alias or bogus URL %r (%s)!" % (
                    self.options.reannounce, exc))

        # go through given files
        bad = 0
        changed = 0
        for filename in self.args:
            try:
                # Read and remember current content
                metainfo = bencode.bread(filename)
                old_metainfo = bencode.bencode(metainfo)
            except (EnvironmentError, KeyError, bencode.BencodeError) as exc:
                self.LOG.warning("Skipping bad metafile %r (%s: %s)" % (filename, type(exc).__name__, exc))
                bad += 1
            else:
                # Check metafile integrity
                try:
                    metafile.check_meta(metainfo)
                except ValueError as exc:
                    self.LOG.warn("Metafile %r failed integrity check: %s" % (filename, exc,))
                    if not self.options.no_skip:
                        continue

                # Skip any metafiles that don't meet the pre-conditions
                if filter_url_prefix and not metainfo['announce'].startswith(filter_url_prefix):
                    self.LOG.warn("Skipping metafile %r no tracked by %r!" % (filename, filter_url_prefix,))
                    continue

                # Keep resume info safe
                libtorrent_resume = {}
                if "libtorrent_resume" in metainfo:
                    try:
                        libtorrent_resume["bitfield"] = metainfo["libtorrent_resume"]["bitfield"]
                    except KeyError:
                        pass # nothing to remember

                    libtorrent_resume["files"] = copy.deepcopy(metainfo["libtorrent_resume"]["files"])

                # Change private flag?
                if self.options.make_private and not metainfo["info"].get("private", 0):
                    self.LOG.info("Setting private flag...")
                    metainfo["info"]["private"] = 1
                if self.options.make_public and metainfo["info"].get("private", 0):
                    self.LOG.info("Clearing private flag...")
                    del metainfo["info"]["private"]

                # Remove non-standard keys?
                if self.options.clean or self.options.clean_all or self.options.clean_xseed:
                    metafile.clean_meta(metainfo, including_info=not self.options.clean, logger=self.LOG.info)

                # Restore resume info?
                if self.options.clean_xseed:
                    if libtorrent_resume:
                        self.LOG.info("Restoring key 'libtorrent_resume'...")
                        metainfo.setdefault("libtorrent_resume", {})
                        metainfo["libtorrent_resume"].update(libtorrent_resume)
                    else:
                        self.LOG.warn("No resume information found!")

                # Clean rTorrent data?
                if self.options.clean_rtorrent:
                    for key in self.RT_RESUMT_KEYS:
                        if key in metainfo:
                            self.LOG.info("Removing key %r..." % (key,))
                            del metainfo[key]

                # Change announce URL?
                if self.options.reannounce:
                    metainfo['announce'] = self.options.reannounce
                    if "announce-list" in metainfo:
                        del metainfo["announce-list"]

                    if not self.options.no_cross_seed:
                        # Enforce unique hash per tracker
                        metainfo["info"]["x_cross_seed"] = hashlib.md5(self.options.reannounce).hexdigest()
                if self.options.no_ssl:
                    # We're assuming here the same (default) port is used
                    metainfo['announce'] = (metainfo['announce']
                        .replace("https://", "http://").replace(":443/", ":80/"))

                # Change comment or creation date?
                if self.options.comment is not None:
                    if self.options.comment:
                        metainfo["comment"] = self.options.comment
                    elif "comment" in metainfo:
                        del metainfo["comment"]
                if self.options.bump_date:
                    metainfo["creation date"] = int(time.time())
                if self.options.no_date and "creation date" in metainfo:
                    del metainfo["creation date"]

                # Add fast-resume data?
                if self.options.hashed:
                    try:
                        metafile.add_fast_resume(metainfo, self.options.hashed.replace("{}", metainfo["info"]["name"]))
                    except EnvironmentError as exc:
                        self.fatal("Error making fast-resume data (%s)" % (exc,))
                        raise

                # Set specific keys?
                metafile.assign_fields(metainfo, self.options.set, self.options.debug)
                replace_fields(metainfo, self.options.regex)

                # Write new metafile, if changed
                new_metainfo = bencode.bencode(metainfo)
                if new_metainfo != old_metainfo:
                    if self.options.output_directory:
                        filename = os.path.join(self.options.output_directory, os.path.basename(filename))
                        self.LOG.info("Writing %r..." % filename)

                        if not self.options.dry_run:
                            bencode.bwrite(filename, metainfo)
                            if "libtorrent_resume" in metainfo:
                                # Also write clean version
                                filename = filename.replace(".torrent", "-no-resume.torrent")
                                del metainfo["libtorrent_resume"]
                                self.LOG.info("Writing %r..." % filename)
                                bencode.bwrite(filename, metainfo)
                    else:
                        self.LOG.info("Changing %r..." % filename)

                        if not self.options.dry_run:
                            # Write to temporary file
                            tempname = os.path.join(
                                os.path.dirname(filename),
                                '.' + os.path.basename(filename),
                            )
                            self.LOG.debug("Writing %r..." % tempname)
                            bencode.bwrite(tempname, metainfo)

                            # Replace existing file
                            if os.name != "posix":
                                # cannot rename to existing target on WIN32
                                os.remove(filename)

                            try:
                                os.rename(tempname, filename)
                            except EnvironmentError as exc:
                                # TODO: Try to write directly, keeping a backup!
                                raise error.LoggableError("Can't rename tempfile %r to %r (%s)" % (
                                    tempname, filename, exc
                                ))

                    changed += 1

        # Print summary
        if changed:
            self.LOG.info("%s %d metafile(s)." % (
                "Would've changed" if self.options.dry_run else "Changed", changed
            ))
        if bad:
            self.LOG.warn("Skipped %d bad metafile(s)!" % (bad))
Exemplo n.º 7
0
    def mainloop(self):
        """ The main loop.
        """
        if len(self.args) == 1 and "=urn:btih:" in self.args[0]:
            # Handle magnet link
            self.make_magnet_meta(self.args[0])
            return

        if not self.args:
            self.parser.print_help()
            self.parser.exit()
        elif len(self.args) < 2:
            self.parser.error(
                "Expected a path and at least one announce URL, got: %s" %
                (' '.join(self.args), ))

        # Create and configure metafile factory
        datapath = self.args[0].rstrip(os.sep)
        metapath = datapath
        if self.options.output_filename:
            metapath = self.options.output_filename
            if os.path.isdir(metapath):
                metapath = os.path.join(metapath, os.path.basename(datapath))
        if not metapath.endswith(".torrent"):
            metapath += ".torrent"
        torrent = metafile.Metafile(metapath)
        torrent.ignore.extend(self.options.exclude)

        def callback(meta):
            "Callback to set label and resume data."
            if self.options.cross_seed:
                if self.options.cross_seed == "@entropy":
                    meta["info"]["entropy"] = format(
                        random.getrandbits(self.ENTROPY_BITS),
                        'x').zfill(self.ENTROPY_BITS // 4)
                else:
                    meta["info"][
                        "x_cross_seed_label"] = self.options.cross_seed
            if self.options.no_cross_seed:
                del meta["info"]["x_cross_seed"]

            # Set specific keys?
            metafile.assign_fields(meta, self.options.set, self.options.debug)

        # Create and write the metafile(s)
        # TODO: make it work better with multiple trackers (hash only once), also create fast-resume file for each tracker
        meta = torrent.create(datapath,
                              self.args[1:],
                              progress=None if self.options.quiet else
                              metafile.console_progress(),
                              root_name=self.options.root_name,
                              private=self.options.private,
                              no_date=self.options.no_date,
                              comment=self.options.comment,
                              created_by="PyroScope %s" % self.version,
                              callback=callback)
        tied_file = metapath

        # Create second metafile with fast-resume?
        if self.options.hashed:
            try:
                metafile.add_fast_resume(meta, datapath)
            except EnvironmentError as exc:
                self.fatal("Error making fast-resume data (%s)" % (exc, ))
                raise

            hashed_path = re.sub(r"\.torrent$", "",
                                 metapath) + "-resume.torrent"
            self.LOG.info("Writing fast-resume metafile %r..." %
                          (hashed_path, ))
            try:
                bencode.bwrite(hashed_path, meta)
                tied_file = hashed_path
            except EnvironmentError as exc:
                self.fatal("Error writing fast-resume metafile %r (%s)" % (
                    hashed_path,
                    exc,
                ))
                raise

        # Load into client on demand
        if self.options.load or self.options.start:
            proxy = config.engine.open()
            info_hash = metafile.info_hash(meta)
            try:
                item_name = proxy.d.name(info_hash, fail_silently=True)
            except xmlrpc.HashNotFound:
                load_item = proxy.load.start_verbose if self.options.start else proxy.load.verbose
                load_item(xmlrpc.NOHASH, os.path.abspath(tied_file))
                time.sleep(.05)  # let things settle
                try:
                    item_name = proxy.d.name(info_hash, fail_silently=True)
                    self.LOG.info(
                        "OK: Item #%s %s client.", info_hash,
                        'started in' if self.options.start else 'loaded into')
                except xmlrpc.HashNotFound as exc:
                    self.fatal("Error while loading item #%s into client: %s" %
                               (
                                   info_hash,
                                   exc,
                               ))
            else:
                self.LOG.warning(
                    "Item #%s already exists in client, --load/--start is ignored!",
                    info_hash)
Exemplo n.º 8
0
    def mainloop(self):
        """ The main loop.
        """
        if len(self.args) == 1 and "=urn:btih:" in self.args[0]:
            # Handle magnet link
            self.make_magnet_meta(self.args[0])
            return

        if not self.args:
            self.parser.print_help()
            self.parser.exit()
        elif len(self.args) < 2:
            self.parser.error("Expected a path and at least one announce URL, got: %s" % (' '.join(self.args),))

        # Create and configure metafile factory
        datapath = self.args[0].rstrip(os.sep)
        metapath = datapath
        if self.options.output_filename:
            metapath = self.options.output_filename
            if os.path.isdir(metapath):
                metapath = os.path.join(metapath, os.path.basename(datapath))
        if not metapath.endswith(".torrent"):
            metapath += ".torrent"
        torrent = metafile.Metafile(metapath)
        torrent.ignore.extend(self.options.exclude)

        def callback(meta):
            "Callback to set label and resume data."
            if self.options.cross_seed:
                if self.options.cross_seed == "@entropy":
                    meta["info"]["entropy"] = format(random.getrandbits(self.ENTROPY_BITS),
                                                     'x').zfill(self.ENTROPY_BITS//4)
                else:
                    meta["info"]["x_cross_seed_label"] = self.options.cross_seed
            if self.options.no_cross_seed:
                del meta["info"]["x_cross_seed"]

            # Set specific keys?
            metafile.assign_fields(meta, self.options.set)

        # Create and write the metafile(s)
        # TODO: make it work better with multiple trackers (hash only once), also create fast-resume file for each tracker
        meta = torrent.create(datapath, self.args[1:],
            progress=None if self.options.quiet else metafile.console_progress(),
            root_name=self.options.root_name, private=self.options.private, no_date=self.options.no_date,
            comment=self.options.comment, created_by="PyroScope %s" % self.version, callback=callback
        )

        # Create second metafile with fast-resume?
        if self.options.hashed:
            try:
                metafile.add_fast_resume(meta, datapath)
            except EnvironmentError as exc:
                self.fatal("Error making fast-resume data (%s)" % (exc,))
                raise

            hashed_path = re.sub(r"\.torrent$", "", metapath) + "-resume.torrent"
            self.LOG.info("Writing fast-resume metafile %r..." % (hashed_path,))
            try:
                bencode.bwrite(hashed_path, meta)
            except EnvironmentError as exc:
                self.fatal("Error writing fast-resume metafile %r (%s)" % (hashed_path, exc,))
                raise