X-Git-Url: https://git.phdru.name/?p=extfs.d.git;a=blobdiff_plain;f=torrent;h=7841fa7e672c950180e94414f2426a5e440891ba;hp=521d10254d4d7faa5e9a2890ba8b95dd72200f0b;hb=34a85ed74694597c4546f8e4c0ee48e181ab4a49;hpb=ee7c2ffa69ef831d2a7a2e8efa4fad66286bbf8f diff --git a/torrent b/torrent index 521d102..7841fa7 100755 --- a/torrent +++ b/torrent @@ -1,42 +1,77 @@ #! /usr/bin/env python - """Torrent Virtual FileSystem for Midnight Commander The script requires Midnight Commander 3.1+ (http://www.midnight-commander.org/), Python 2.4+ (http://www.python.org/), module eff_bdecode.py (http://effbot.org/zone/bencode.htm). -Put the script in the /usr/[local/][lib|share]/mc/extfs/, and add a line -"torrent" to the /usr/[local/][lib|share]/mc/extfs/extfs.ini. Make the script -executable. +For mc 4.7+ just put the script in $HOME/[.local/share/].mc/extfs.d. +For older versions put it in /usr/[local/][lib|share]/mc/extfs +and add a line "torrent" to the /usr/[local/][lib|share]/mc/extfs/extfs.ini. +Make the script executable. + +For mc 4.7+ run this "cd" command in the Midnight Commander (in the "bindings" +file the command is "%cd"): cd file/torrent://; In older versions it is +cd file#torrent, where "file" is the name of your torrent metafile. + +See detailed installation instructions at +https://phdru.name/Software/mc/torrent_INSTALL.html. -Run this "cd" command in the Midnight Commander (in the "bindings" file the -command is "%cd"): cd file#torrent, where "file" is the name of your torrent -metafile. The VFS lists all files and directories from the torrent metafile; -all files appear empty, of course, but the sizes are shown. +The VFS lists all files and directories from the torrent metafile; all files +appear empty, of course, but the sizes are shown. Filenames are reencoded from +the metafile's encoding/codepage to the current locale. Along with the files/directories in the torrent metafile the VFS also presents meta information - in the form of files in .META directory. The size and contents of these files are taken from the corresponding fields in the torrent -metafile. The VFS doesn't check if the torrent contains .META file or directory -(quite unlikely). +metafile. The script doesn't check if the torrent consists of a .META file or +directory (quite unlikely). -Date/time for all files is set at midnight of the 1st January of the current -year. The filesystem is read-only, of course. +Date/time for all directories/files is set to the value of 'creation date' +field, if it exists; if not date/time is set to the last modification time of +the torrent file itself. + +The filesystem is, naturally, read-only. """ -__version__ = "1.0.0" -__revision__ = "$Id$" -__date__ = "$Date$" -__author__ = "Oleg Broytman " -__copyright__ = "Copyright (C) 2010 PhiloSoft Design" +__version__ = "1.2.4" +__author__ = "Oleg Broytman " +__copyright__ = "Copyright (C) 2010-2018 PhiloSoft Design" __license__ = "GPL" -import locale, sys, os -from tempfile import _candidate_tempdir_list + +from datetime import datetime +from os.path import dirname, getmtime +import sys +from time import localtime, asctime from eff_bdecode import decode +try: + import locale + use_locale = True +except ImportError: + use_locale = False + +if use_locale: + # Get the default charset. + try: + lcAll = locale.getdefaultlocale() + except locale.Error, err: + print >>sys.stderr, "WARNING:", err + lcAll = [] + + if len(lcAll) == 2: + default_encoding = lcAll[1] + else: + try: + default_encoding = locale.getpreferredencoding() + except locale.Error, err: + print >>sys.stderr, "WARNING:", err + default_encoding = sys.getdefaultencoding() +else: + default_encoding = sys.getdefaultencoding() + import logging logger = logging.getLogger('torrent-mcextfs') log_err_handler = logging.StreamHandler(sys.stderr) @@ -49,37 +84,12 @@ Torrent Virtual FileSystem for Midnight Commander version %s Author: %s %s -This is not a program. Put the script in /usr/[local/][lib|share]/mc/extfs. -For more information read the source!""", - __version__, __author__, __copyright__ -) +This is not a program. Put the script in $HOME/[.local/share/].mc/extfs.d or +/usr/[local/][lib|share]/mc/extfs. For more information read the source!""", + __version__, __author__, __copyright__) sys.exit(1) - -tempdirlist = _candidate_tempdir_list() -tempdirlist.insert(0, os.path.abspath(os.path.dirname(sys.argv[2]))) - -found = False -for tempdir in tempdirlist: - try: - logfile_name = os.path.join(tempdir, 'torrent-mcextfs.log') - logfile = open(logfile_name, 'w') - except IOError: - pass - else: - found = True - logfile.close() - break - -if not found: - logger.critical("Cannot initialize error log file in directories %s" % str(tempdirlist)) - sys.exit(1) - -logger.removeHandler(log_err_handler) -logger.addHandler(logging.FileHandler(logfile_name)) - locale.setlocale(locale.LC_ALL, '') -charset = locale.getpreferredencoding() def mctorrent_list(): @@ -89,35 +99,91 @@ def mctorrent_list(): torrent_error('Info absent') info = torrent['info'] - if 'name' not in info: + if 'name' not in info and 'name.utf-8' not in info: torrent_error('Unknown name') + codepage = torrent.get('codepage', None) + encoding = torrent.get('encoding', None) + if not encoding and codepage: + encoding = str(codepage) + name = info['name'] + name_utf8 = info.get('name.utf-8', None) + + dt = None if 'files' in info: files = info['files'] paths = [] for file in files: - if 'path' not in file: + if 'path' not in file and 'path.utf-8' not in file: torrent_error('Unknown path') if 'length' not in file: torrent_error('Unknown length') - path = file['path'] + if 'path.utf-8' in file: + if name_utf8: + path = '/'.join([name_utf8] + file['path.utf-8']) + if default_encoding != 'utf-8': + path = path.decode('utf-8', 'replace').encode( + default_encoding, 'replace') + else: + _name_utf8 = name + if encoding and (encoding != 'utf-8'): + _name_utf8 = _name_utf8.decode( + encoding, 'replace').encode('utf-8', 'replace') + path = '/'.join([_name_utf8] + file['path.utf-8']) + if default_encoding != 'utf-8': + path = path.decode('utf-8', 'replace').encode( + default_encoding, 'replace') + else: + if name_utf8: + path = file['path'] + if encoding and (encoding != 'utf-8'): + path = path.decode(encoding, 'replace').encode( + 'utf-8', 'replace') + path = '/'.join([name_utf8] + path) + if default_encoding != 'utf-8': + path = path.decode('utf-8', 'replace').encode( + default_encoding, 'replace') + else: + path = '/'.join([name] + file['path']) + if encoding and (default_encoding != encoding): + path = path.decode(encoding, 'replace').encode( + default_encoding, 'replace') length = file['length'] - paths.append(('/'.join([name] + path), length)) - else: # One-file torrent + paths.append((path, length)) + else: # One-file torrent if 'length' not in info: torrent_error('Unknown length') length = info['length'] + if name_utf8: + if default_encoding != 'utf-8': + name = name_utf8.decode('utf-8', 'replace').encode( + default_encoding, 'replace') + elif encoding and (default_encoding != encoding): + name = name.decode(encoding, 'replace').encode( + default_encoding, 'replace') paths = [(name, length)] meta = [] - for name in 'comment', 'encoding', 'creation date', 'announce-list', \ - 'created by', 'announce': - if name in torrent: - if name == 'creation date': - data = decode_datetime(torrent[name]) - elif name == 'announce-list': - data = decode_list(torrent[name]) + for name in 'announce', 'announce-list', 'codepage', 'comment', \ + 'created by', 'creation date', 'encoding', \ + 'nodes', 'publisher', 'publisher-url': + if name == 'comment' and 'comment.utf-8' in torrent: + data = torrent['comment.utf-8'].decode('utf-8').encode( + default_encoding, 'replace') + meta.append(('.META/' + name, len(data))) + elif name in torrent: + if name == 'announce-list': + data = decode_announce_list(torrent[name]) + elif name == 'codepage': + data = str(torrent[name]) + elif name == 'creation date': + dt = torrent[name] + data = decode_datetime_asc(dt) + dt = decode_datetime(dt) + elif name == 'nodes': + data = ['%s:%s' % (host, port) for host, port in torrent[name]] + data = '\n'.join(data) else: data = torrent[name] meta.append(('.META/' + name, len(data))) @@ -125,8 +191,23 @@ def mctorrent_list(): if 'private' in info: meta.append(('.META/private', 1)) - for name, size in paths + meta: - print "-r--r--r-- 1 user group %d Jan 1 00:00 %s" % (size, name) + if 'piece length' in info: + meta.append(('.META/piece length', len(str(info['piece length'])))) + + paths += meta + dirs = set() + for name, size in paths: + if '/' in name: + dirs.add(dirname(name)) + + if not dt: + dt = decode_datetime(getmtime(sys.argv[2])) + + for name in sorted(dirs): + print "dr-xr-xr-x 1 user group 0 %s %s" % (dt, name) + + for name, size in sorted(paths): + print "-r--r--r-- 1 user group %d %s %s" % (size, dt, name) def mctorrent_copyout(): @@ -136,27 +217,41 @@ def mctorrent_copyout(): real_filename = sys.argv[4] data = None - for name in 'comment', 'encoding', 'creation date', 'announce-list', \ - 'created by', 'announce': - if torrent_filename == '.META/' + name: + for name in 'announce', 'announce-list', 'codepage', 'comment', \ + 'created by', 'creation date', 'encoding', \ + 'nodes', 'publisher', 'publisher-url': + if name == 'comment' and 'comment.utf-8' in torrent: + data = torrent['comment.utf-8'].decode('utf-8').encode( + default_encoding, 'replace') + elif torrent_filename == '.META/' + name: if name in torrent: - if name == 'creation date': - data = decode_datetime(torrent[name]) - elif name == 'announce-list': - data = decode_list(torrent[name]) + if name == 'announce-list': + data = decode_announce_list(torrent[name]) + elif name == 'codepage': + data = str(torrent[name]) + elif name == 'creation date': + data = decode_datetime_asc(torrent[name]) + elif name == 'nodes': + data = ['%s:%s' % (host, port) + for host, port in torrent[name]] + data = '\n'.join(data) else: data = str(torrent[name]) else: torrent_error('Unknown ' + name) break - if torrent_filename == '.META/private': + if torrent_filename in ('.META/private', '.META/piece length'): if 'info' not in torrent: torrent_error('Info absent') info = torrent['info'] - if 'private' not in info: - torrent_error('Info absent') - data = str(info['private']) + if torrent_filename == '.META/private': + if 'private' not in info: + torrent_error('Info absent') + if torrent_filename == '.META/piece length': + if 'piece length' not in info: + torrent_error('Info absent') + data = str(info[torrent_filename[len('.META/'):]]) if not torrent_filename.startswith('.META/'): data = '' @@ -171,23 +266,29 @@ def mctorrent_copyout(): def mctorrent_copyin(): """Put a file to the VFS""" - sys.exit("Torrent VFS doesn't support adding files") + sys.exit("Torrent VFS doesn't support adding files (read-only filesystem)") + def mctorrent_rm(): """Remove a file from the VFS""" - sys.exit("Torrent VFS doesn't support removing files/directories") + sys.exit("Torrent VFS doesn't support removing files/directories " + "(read-only filesystem)") + mctorrent_rmdir = mctorrent_rm + def mctorrent_mkdir(): """Create a directory in the VFS""" - sys.exit("Torrent VFS doesn't support creating directories") + sys.exit("Torrent VFS doesn't support creating directories " + "(read-only filesystem)") def torrent_error(error_str): logger.critical("Error parsing the torrent metafile: %s", error_str) sys.exit(1) + def decode_torrent(): try: torrent_file = open(sys.argv[2], 'r') @@ -198,21 +299,31 @@ def decode_torrent(): torrent_error(error_str) +def decode_datetime_asc(dt): + try: + return asctime(localtime(float(dt))) + except ValueError: + return datetime.max.ctime() + + def decode_datetime(dt): - from time import localtime, asctime - the_time = float(dt) - l_now = localtime(the_time) - return asctime(l_now) + try: + Y, m, d, H, M = localtime(float(dt))[0:5] + except ValueError: + return datetime.max.ctime() + else: + return "%02d-%02d-%d %02d:%02d" % (m, d, Y, H, M) + -def decode_list(announce): - return '\n'.join(l[0] for l in announce) +def decode_announce_list(announce): + return '\n'.join(l[0] for l in announce if l) command = sys.argv[1] procname = "mctorrent_" + command g = globals() -if not g.has_key(procname): +if procname not in g: logger.critical("Unknown command %s", command) sys.exit(1)