gnu/packages/bittorrent.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2014 Taylan Ulrich Bayirli/Kammer <taylanbayirli@gmail.com>
   3 ;;; Copyright © 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
   4 ;;; Copyright © 2016, 2017, 2018, 2019, 2020 Leo Famulari <leo@famulari.name>
   5 ;;; Copyright © 2016, 2017, 2018, 2019, 2020 Efraim Flashner <efraim@flashner.co.il>
   6 ;;; Copyright © 2016 Tomáš Čech <sleep_walker@gnu.org>
   7 ;;; Copyright © 2016, 2017, 2018, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
   8 ;;; Copyright © 2017 Jelle Licht <jlicht@fsfe.org>
   9 ;;; Copyright © 2018 Fis Trivial <ybbs.daans@hotmail.com>
  10 ;;; Copyright © 2018 Nam Nguyen <namn@berkeley.edu>
  11 ;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
  12 ;;; Copyright © 2019, 2020 Brett Gilio <brettg@gnu.org>
  13 ;;; Copyright © 2020 Hartmut Goebel <h.goebel@crazy-compilers.com>
  14 ;;;
  15 ;;; This file is part of GNU Guix.
  16 ;;;
  17 ;;; GNU Guix is free software; you can redistribute it and/or modify it
  18 ;;; under the terms of the GNU General Public License as published by
  19 ;;; the Free Software Foundation; either version 3 of the License, or (at
  20 ;;; your option) any later version.
  21 ;;;
  22 ;;; GNU Guix is distributed in the hope that it will be useful, but
  23 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  24 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25 ;;; GNU General Public License for more details.
  26 ;;;
  27 ;;; You should have received a copy of the GNU General Public License
  28 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  29
  30 (define-module (gnu packages bittorrent)
  31   #:use-module (guix packages)
  32   #:use-module (guix download)
  33   #:use-module (guix git-download)
  34   #:use-module (guix build-system gnu)
  35   #:use-module (guix build-system python)
  36   #:use-module (guix build-system glib-or-gtk)
  37   #:use-module ((guix licenses) #:prefix l:)
  38   #:use-module (guix utils)
  39   #:use-module (gnu packages)
  40   #:use-module (gnu packages adns)
  41   #:use-module (gnu packages boost)
  42   #:use-module (gnu packages check)
  43   #:use-module (gnu packages compression)
  44   #:use-module (gnu packages crypto)
  45   #:use-module (gnu packages curl)
  46   #:use-module (gnu packages cyrus-sasl)
  47   #:use-module (gnu packages freedesktop)
  48   #:use-module (gnu packages glib)
  49   #:use-module (gnu packages gnome)
  50   #:use-module (gnu packages gnupg)
  51   #:use-module (gnu packages gstreamer)
  52   #:use-module (gnu packages gtk)
  53   #:use-module (gnu packages libevent)
  54   #:use-module (gnu packages multiprecision)
  55   #:use-module (gnu packages nettle)
  56   #:use-module (gnu packages ncurses)
  57   #:use-module (gnu packages pkg-config)
  58   #:use-module (gnu packages python)
  59   #:use-module (gnu packages python-build)
  60   #:use-module (gnu packages python-crypto)
  61   #:use-module (gnu packages python-web)
  62   #:use-module (gnu packages python-xyz)
  63   #:use-module (gnu packages qt)
  64   #:use-module (gnu packages sqlite)
  65   #:use-module (gnu packages ssh)
  66   #:use-module (gnu packages tls)
  67   #:use-module (gnu packages xml))
  68
  69 (define-public transmission
  70   (package
  71     (name "transmission")
  72     (version "3.00")
  73     (source (origin
  74               (method url-fetch)
  75               (uri (string-append "https://github.com/transmission/transmission"
  76                                   "/releases/download/" version "/transmission-"
  77                                   version ".tar.xz"))
  78               (sha256
  79                (base32
  80                 "1wjmn96zrvmk8j1yz2ysmqd7a2x6ilvnwwapcvfzgxs2wwpnai4i"))
  81               (patches (search-patches "transmission-honor-localedir.patch"))))
  82     (build-system glib-or-gtk-build-system)
  83     (outputs '("out"                      ; library and command-line interface
  84                "gui"))                    ; graphical user interface
  85     (arguments
  86      '(#:configure-flags
  87        (list (string-append "--localedir="
  88                             (assoc-ref %outputs "gui")
  89                             "/share/locale"))
  90        #:glib-or-gtk-wrap-excluded-outputs '("out")
  91        #:phases
  92        (modify-phases %standard-phases
  93          (add-after 'install 'move-gui
  94            (lambda* (#:key outputs #:allow-other-keys)
  95              ;; Move the GUI to its own output, so that "out" doesn't
  96              ;; depend on GTK+.
  97              (let ((out (assoc-ref outputs "out"))
  98                    (gui (assoc-ref outputs "gui")))
  99                (mkdir-p (string-append gui "/bin"))
 100                (rename-file (string-append out "/bin/transmission-gtk")
 101                             (string-append gui "/bin/transmission-gtk"))
 102
 103                (for-each
 104                 (lambda (dir)
 105                   (rename-file (string-append out "/share/" dir)
 106                                (string-append gui "/share/" dir)))
 107                 '("appdata" "applications" "icons" "pixmaps"))
 108
 109                (mkdir-p (string-append gui "/share/man/man1"))
 110                (rename-file
 111                 (string-append out "/share/man/man1/transmission-gtk.1")
 112                 (string-append gui "/share/man/man1/transmission-gtk.1"))
 113              #t))))))
 114     (inputs
 115      `(("libevent" ,libevent)
 116        ("curl" ,curl)
 117        ("openssl" ,openssl)
 118        ("zlib" ,zlib)
 119        ("gtk+" ,gtk+)))
 120     (native-inputs
 121      `(("intltool" ,intltool)
 122        ("pkg-config" ,pkg-config)))
 123     (home-page "https://transmissionbt.com/")
 124     (synopsis "Fast and easy BitTorrent client")
 125     (description
 126      "Transmission is a BitTorrent client that comes with graphical,
 127 textual, and Web user interfaces.  Transmission also has a daemon for
 128 unattended operations.  It supports local peer discovery, full encryption,
 129 DHT, µTP, PEX and Magnet Links.")
 130
 131     ;; COPYING reads:
 132     ;;
 133     ;;     Transmission can be redistributed and/or modified under the terms of
 134     ;; the GNU GPLv2 (http://www.gnu.org/licenses/license-list.html#GPLv2),
 135     ;; the GNU GPLv3 (http://www.gnu.org/licenses/license-list.html#GNUGPLv3),
 136     ;; or any future license endorsed by Mnemosyne LLC.
 137     ;;
 138     ;; A few files files carry an MIT/X11 license header.
 139     (license (list l:gpl2 l:gpl3))))
 140
 141 (define-public libtorrent
 142   (package
 143     (name "libtorrent")
 144     (version "0.13.8")
 145     (source (origin
 146               (method url-fetch)
 147               (uri (string-append
 148                     "http://rtorrent.net/downloads/libtorrent-"
 149                     version ".tar.gz"))
 150               (sha256
 151                (base32
 152                 "10z9i1rc41cmmi7nx8k7k1agsx6afv09g9cl7g9zr35fyhl5l4gd"))))
 153     (build-system gnu-build-system)
 154     (inputs `(("openssl" ,openssl)
 155               ("zlib" ,zlib)))
 156     (native-inputs `(("pkg-config" ,pkg-config)
 157                      ("cppunit" ,cppunit)))
 158     (synopsis "BitTorrent library of rtorrent")
 159     (description
 160      "LibTorrent is a BitTorrent library used by and developed in parallel
 161 with the BitTorrent client rtorrent.  It is written in C++ with emphasis on
 162 speed and efficiency.")
 163     (home-page "https://github.com/rakshasa/libtorrent")
 164     (license l:gpl2+)))
 165
 166 (define-public rtorrent
 167   (package
 168     (name "rtorrent")
 169     (version "0.9.8")
 170     (source (origin
 171               (method url-fetch)
 172               (uri (string-append
 173                     "http://rtorrent.net/downloads/rtorrent-"
 174                     version ".tar.gz"))
 175               (sha256
 176                (base32
 177                 "1bs2fnf4q7mlhkhzp3i1v052v9xn8qa7g845pk9ia8hlpw207pwy"))))
 178     (build-system gnu-build-system)
 179     (inputs `(("libtorrent" ,libtorrent)
 180               ("ncurses" ,ncurses)
 181               ("curl" ,curl)
 182               ("cyrus-sasl" ,cyrus-sasl)
 183               ("openssl" ,openssl)
 184               ("zlib" ,zlib)))
 185     (native-inputs `(("pkg-config" ,pkg-config)
 186                      ("cppunit" ,cppunit)))
 187     (synopsis "BitTorrent client with ncurses interface")
 188     (description
 189      "rTorrent is a BitTorrent client with an ncurses interface.  It supports
 190 full encryption, DHT, PEX, and Magnet Links.  It can also be controlled via
 191 XML-RPC over SCGI.")
 192     (home-page "https://github.com/rakshasa/rtorrent")
 193     (license l:gpl2+)))
 194
 195 (define-public tremc
 196   (package
 197     (name "tremc")
 198     (version "0.9.2")
 199     (source
 200      (origin
 201        (method git-fetch)
 202        (uri (git-reference
 203              (url "https://github.com/tremc/tremc")
 204              (commit version)))
 205        (file-name (git-file-name name version))
 206        (sha256
 207         (base32
 208          "1fqspp2ckafplahgba54xmx0sjidx1pdzyjaqjhz0ivh98dkx2n5"))))
 209     (build-system gnu-build-system)
 210     (arguments
 211      `(#:tests? #f                      ; no test suite
 212        #:make-flags
 213        (list (string-append "PREFIX=" (assoc-ref %outputs "out")))
 214        #:phases
 215        (modify-phases %standard-phases
 216          ;; The software is just a Python script that must be copied into place.
 217          (delete 'configure)
 218          (delete 'build))))
 219     (inputs
 220      `(("python" ,python)))
 221     (synopsis "Console client for the Transmission BitTorrent daemon")
 222     (description "Tremc is a console client, with a curses interface, for the
 223 Transmission BitTorrent daemon.")
 224     (home-page "https://github.com/tremc/tremc")
 225     (license l:gpl3+)))
 226
 227 (define-public transmission-remote-cli
 228   (package
 229     (name "transmission-remote-cli")
 230     (version "1.7.1")
 231     (source (origin
 232               (method git-fetch)
 233               (uri (git-reference
 234                     (url "https://github.com/fagga/transmission-remote-cli")
 235                     (commit (string-append "v" version))))
 236               (file-name (git-file-name name version))
 237               (sha256
 238                (base32
 239                 "09w9f8vrm61lapin8fmq4rgahr95y3c6wss10g0fgd0kl16f895v"))))
 240     (build-system python-build-system)
 241     (arguments
 242      `(#:python ,python-2 ; only supports Python 2
 243        #:tests? #f ; no test suite
 244        #:phases (modify-phases %standard-phases
 245                   ;; The software is just a Python script that must be
 246                   ;; copied into place.
 247                   (delete 'build)
 248                   (replace 'install
 249                     (lambda* (#:key outputs #:allow-other-keys)
 250                       (let* ((out (assoc-ref outputs "out"))
 251                              (bin (string-append out "/bin"))
 252                              (man (string-append out "/share/man/man1"))
 253                              ;; FIXME install zsh completions
 254                              (completions (string-append out "/etc/bash_completion.d")))
 255                         (install-file "transmission-remote-cli" bin)
 256                         (install-file "transmission-remote-cli.1" man)
 257                         (install-file
 258                           (string-append
 259                             "completion/bash/"
 260                             "transmission-remote-cli-bash-completion.sh")
 261                           completions)))))))
 262     (synopsis "Console client for the Transmission BitTorrent daemon")
 263     (description "Transmission-remote-cli is a console client, with a curses
 264 interface, for the Transmission BitTorrent daemon.  This package is no longer
 265 maintained upstream.")
 266     (home-page "https://github.com/fagga/transmission-remote-cli")
 267     (license l:gpl3+)
 268     (properties `((superseded . ,tremc)))))
 269
 270 (define-public aria2
 271   (package
 272     (name "aria2")
 273     (version "1.35.0")
 274     (source (origin
 275               (method url-fetch)
 276               (uri (string-append "https://github.com/aria2/aria2/releases/"
 277                                   "download/release-" version
 278                                   "/aria2-" version ".tar.xz"))
 279               (sha256
 280                (base32
 281                 "1zbxc517d97lb96f15xcy4l7b66grxrp3h2ids2jiwkaip87yaqy"))))
 282     (build-system gnu-build-system)
 283     (arguments
 284      `(#:configure-flags (list "--enable-libaria2"
 285                                (string-append "--with-bashcompletiondir="
 286                                               %output "/etc/bash_completion.d/"))
 287        #:phases
 288        (modify-phases %standard-phases
 289          (add-after 'unpack 'delete-socket-tests
 290            (lambda _
 291              (substitute* "test/LpdMessageDispatcherTest.cc"
 292                (("CPPUNIT_TEST_SUITE_REGISTRATION\\(LpdMessageDispatcherTest\\);" text)
 293                 (string-append "// " text)))
 294              (substitute* "test/LpdMessageReceiverTest.cc"
 295                (("CPPUNIT_TEST_SUITE_REGISTRATION\\(LpdMessageReceiverTest\\);" text)
 296                 (string-append "// " text)))
 297              #t)))))
 298     (native-inputs
 299      `(("cppunit" ,cppunit) ; for the tests
 300        ("pkg-config" ,pkg-config)))
 301     (inputs
 302      `(("c-ares" ,c-ares)
 303        ("gnutls" ,gnutls)
 304        ("gmp" ,gmp)
 305        ("libssh2" ,libssh2)
 306        ("libxml2" ,libxml2)
 307        ("nettle" ,nettle)
 308        ("sqlite" ,sqlite)
 309        ("zlib" ,zlib)))
 310     (home-page "https://aria2.github.io/")
 311     (synopsis "Utility for parallel downloading files")
 312     (description
 313       "Aria2 is a lightweight, multi-protocol & multi-source command-line
 314 download utility.  It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.
 315 Aria2 can be manipulated via built-in JSON-RPC and XML-RPC interfaces.")
 316     (license l:gpl2+)))
 317
 318 (define-public uget
 319   (package
 320     (name "uget")
 321     (version "2.2.1")
 322     (source
 323      (origin
 324        (method url-fetch)
 325        (uri (string-append "mirror://sourceforge/urlget/"
 326                            "uget%20%28stable%29/" version "/uget-"
 327                            version ".tar.gz"))
 328        (sha256
 329         (base32 "0dlrjhnm1pg2vwmp7nl2xv1aia5hyirb3021rl46x859k63zap24"))))
 330     (build-system gnu-build-system)
 331     (inputs
 332      `(("curl" ,curl)
 333        ("gtk+" ,gtk+)
 334        ("glib" ,glib)
 335        ("gnutls" ,gnutls)
 336        ("gstreamer" ,gstreamer)
 337        ("libgcrypt" ,libgcrypt)
 338        ("libnotify" ,libnotify)
 339        ("openssl" ,openssl)))
 340     (native-inputs
 341      `(("intltool" ,intltool)
 342        ("pkg-config" ,pkg-config)))
 343     (home-page "https://ugetdm.com/")
 344     (synopsis "Universal download manager with GTK+ interface")
 345     (description
 346      "uGet is portable download manager with GTK+ interface supporting
 347 HTTP, HTTPS, BitTorrent and Metalink, supporting multi-connection
 348 downloads, download scheduling, download rate limiting.")
 349     (license l:lgpl2.1+)))
 350
 351 (define-public mktorrent
 352   (package
 353     (name "mktorrent")
 354     (version "1.1")
 355     (source (origin
 356               (method git-fetch)
 357               (uri (git-reference
 358                     (url "https://github.com/Rudde/mktorrent")
 359                     (commit (string-append "v" version))))
 360               (file-name (git-file-name name version))
 361               (sha256
 362                (base32
 363                 "17pdc5mandl739f8q26n5is8ga56s83aqcrwhlnnplbxwx2inidr"))))
 364     (build-system gnu-build-system)
 365     (arguments
 366      `(#:phases (modify-phases %standard-phases
 367                   (delete 'configure))          ; no configure script
 368        #:make-flags (list (string-append "CC=" ,(cc-for-target))
 369                           (string-append "PREFIX=" (assoc-ref %outputs "out"))
 370                           "NO_HASH_CHECK=1"
 371                           "USE_LARGE_FILES=1"
 372                           "USE_LONG_OPTIONS=1"
 373                           "USE_PTHREADS=1")
 374        #:tests? #f))                            ; no tests
 375     (home-page "https://github.com/Rudde/mktorrent")
 376     (synopsis "Utility to create BitTorrent metainfo files")
 377     (description
 378      "mktorrent is a simple command-line utility to create BitTorrent
 379 @dfn{metainfo} files, often known simply as @dfn{torrents}, from both single
 380 files and whole directories.  It can add multiple trackers and web seed URLs,
 381 and set the @code{private} flag to disallow advertisement through the
 382 distributed hash table (@dfn{DHT}) and Peer Exchange.  Hashing is multi-threaded
 383 and will take advantage of multiple processor cores where possible.")
 384     (license (list l:public-domain      ; sha1.*, used to build without OpenSSL
 385                    l:gpl2+))))          ; with permission to link with OpenSSL
 386
 387 (define-public libtorrent-rasterbar
 388   (package
 389     (name "libtorrent-rasterbar")
 390     (version "1.2.8")
 391     (source
 392      (origin
 393        (method url-fetch)
 394        (uri
 395         (string-append "https://github.com/arvidn/libtorrent/"
 396                        "releases/download/libtorrent-" version "/"
 397                        "libtorrent-rasterbar-" version ".tar.gz"))
 398        (sha256
 399         (base32 "1phn4klzvfzvidv5g566pnrrxj8l0givpy6s4r17d45wznqxc006"))))
 400     (build-system gnu-build-system)
 401     (arguments
 402      `(#:configure-flags
 403        (list (string-append "--with-boost-libdir="
 404                             (assoc-ref %build-inputs "boost")
 405                             "/lib")
 406              "--enable-python-binding"
 407              "--enable-tests")
 408        #:make-flags (list
 409                      (string-append "LDFLAGS=-Wl,-rpath="
 410                                     (assoc-ref %outputs "out") "/lib"))))
 411     (inputs `(("boost" ,boost)
 412               ("openssl" ,openssl)))
 413     (native-inputs `(("python" ,python-wrapper)
 414                      ("pkg-config" ,pkg-config)))
 415     (home-page "https://www.libtorrent.org/")
 416     (synopsis "Feature-complete BitTorrent implementation")
 417     (description
 418      "libtorrent-rasterbar is a feature-complete C++ BitTorrent implementation
 419 focusing on efficiency and scalability.  It runs on embedded devices as well as
 420 desktops.")
 421     (license l:bsd-2)))
 422
 423 (define-public qbittorrent
 424   (package
 425     (name "qbittorrent")
 426     (version "4.2.5")
 427     (source
 428      (origin
 429        (method git-fetch)
 430        (uri (git-reference
 431              (url "https://github.com/qbittorrent/qBittorrent")
 432              (commit (string-append "release-" version))))
 433        (file-name (git-file-name name version))
 434        (sha256
 435         (base32 "1n613ylg6i9gisgk0dbr2kpfasyizrkdjff1r8smd4vri2qrdksn"))))
 436     (build-system gnu-build-system)
 437     (arguments
 438      `(#:configure-flags
 439        (list (string-append "--with-boost-libdir="
 440                             (assoc-ref %build-inputs "boost")
 441                             "/lib")
 442              "--enable-debug"
 443              "QMAKE_LRELEASE=lrelease")
 444        #:modules ((guix build gnu-build-system)
 445                   (guix build qt-utils)
 446                   (guix build utils))
 447        #:imported-modules (,@%gnu-build-system-modules
 448                            (guix build qt-utils))
 449        #:phases
 450        (modify-phases %standard-phases
 451          (add-after 'install 'wrap-qt
 452            (lambda* (#:key outputs inputs #:allow-other-keys)
 453              (let ((out (assoc-ref outputs "out")))
 454                (wrap-qt-program "qbittorrent" #:output out #:inputs inputs))
 455              #t)))))
 456     (native-inputs
 457      `(("pkg-config" ,pkg-config)
 458        ("qttools" ,qttools)))
 459     (inputs
 460      `(("boost" ,boost)
 461        ("libtorrent-rasterbar" ,libtorrent-rasterbar)
 462        ("openssl" ,openssl)
 463        ("python" ,python-wrapper)
 464        ("qtbase" ,qtbase-5)
 465        ("qtsvg" ,qtsvg)
 466        ("zlib" ,zlib)))
 467     (home-page "https://www.qbittorrent.org/")
 468     (synopsis "Graphical BitTorrent client")
 469     (description
 470      "qBittorrent is a BitTorrent client programmed in C++/Qt that uses
 471 libtorrent (sometimes called libtorrent-rasterbar) by Arvid Norberg.
 472
 473 It aims to be a good alternative to all other BitTorrent clients out there.
 474 qBittorrent is fast, stable and provides unicode support as well as many
 475 features.")
 476     (license l:gpl2+)))
 477
 478 (define-public deluge
 479   (package
 480     (name "deluge")
 481     (version "2.0.3")
 482     (source
 483      (origin
 484        (method url-fetch)
 485        (uri (string-append
 486              "https://ftp.osuosl.org/pub/deluge/source/"
 487              (version-major+minor version) "/deluge-" version ".tar.xz"))
 488        (sha256
 489         (base32
 490          "14d8kn2pvr1qv8mwqrxmj85jycr73vwfqz12hzag0ararbkfhyky"))))
 491     (build-system python-build-system)
 492     (propagated-inputs
 493      `(("gtk+" ,gtk+)
 494        ("librsvg" ,librsvg)
 495        ("libtorrent" ,libtorrent-rasterbar)
 496        ("python-pycairo" ,python-pycairo)
 497        ("python-chardet" ,python-chardet)
 498        ("python-dbus" ,python-dbus)
 499        ("python-mako" ,python-mako)
 500        ("python-pygobject" ,python-pygobject)
 501        ("python-pillow" ,python-pillow)
 502        ("python-pyopenssl" ,python-pyopenssl)
 503        ("python-pyxdg" ,python-pyxdg)
 504        ("python-rencode" ,python-rencode)
 505        ("python-service-identity" ,python-service-identity)
 506        ("python-setproctitle" ,python-setproctitle)
 507        ("python-six" ,python-six)
 508        ("python-twisted" ,python-twisted)
 509        ("python-zope-interface" ,python-zope-interface)))
 510     (native-inputs
 511      `(("intltool" ,intltool)
 512        ("python-wheel" ,python-wheel)))
 513     ;; TODO: Enable tests.
 514     ;; After "pytest-twisted" is packaged, HOME is set, and an X server is
 515     ;; started, some of the tests still fail.  There are likely some tests
 516     ;; that require a network connection.
 517     (arguments
 518      `(#:tests? #f
 519        #:phases
 520        (modify-phases %standard-phases
 521          ;; Remove this phase when upgrading to version 2.0.4 or beyond, as
 522          ;; the issue is fixed upstream.
 523          (add-after 'unpack 'fix-gettext-warning
 524            (lambda _
 525              (substitute* "deluge/i18n/util.py"
 526                (("names='ngettext'") "names=['ngettext']"))
 527              #t))
 528          (add-after 'install 'wrap
 529            (lambda* (#:key outputs #:allow-other-keys)
 530              (let ((out               (assoc-ref outputs "out"))
 531                    (gi-typelib-path   (getenv "GI_TYPELIB_PATH")))
 532                (for-each
 533                 (lambda (program)
 534                   (wrap-program program
 535                     `("GI_TYPELIB_PATH" ":" prefix (,gi-typelib-path))))
 536                 (map (lambda (name)
 537                        (string-append out "/bin/" name))
 538                      '("deluge" "deluge-gtk"))))
 539              #t)))))
 540     (home-page "https://www.deluge-torrent.org/")
 541     (synopsis  "Fully-featured cross-platform BitTorrent client")
 542     (description
 543      "Deluge contains the common features to BitTorrent clients such as
 544 Protocol Encryption, DHT, Local Peer Discovery (LSD), Peer Exchange
 545 (PEX), UPnP, NAT-PMP, Proxy support, Web seeds, global and per-torrent
 546 speed limits.  Deluge heavily utilises the libtorrent library.  It is
 547 designed to run as both a normal standalone desktop application and as a
 548 client-server.")
 549     (license l:gpl3+)))