gnu/packages/python.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
   3 ;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
   4 ;;; Copyright © 2013, 2014, 2015, 2016 Andreas Enge <andreas@enge.fr>
   5 ;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org>
   6 ;;; Copyright © 2014, 2017, 2019 Eric Bavier <bavier@member.fsf.org>
   7 ;;; Copyright © 2014, 2015 Federico Beffa <beffa@fbengineering.ch>
   8 ;;; Copyright © 2015 Omar Radwan <toxemicsquire4@gmail.com>
   9 ;;; Copyright © 2015 Pierre-Antoine Rault <par@rigelk.eu>
  10 ;;; Copyright © 2015, 2016, 2017, 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
  11 ;;; Copyright © 2015, 2016 Christopher Allan Webber <cwebber@dustycloud.org>
  12 ;;; Copyright © 2015 Eric Dvorsak <eric@dvorsak.fr>
  13 ;;; Copyright © 2015, 2016 David Thompson <davet@gnu.org>
  14 ;;; Copyright © 2015, 2016, 2017, 2021 Leo Famulari <leo@famulari.name>
  15 ;;; Copyright © 2015, 2017 Ben Woodcroft <donttrustben@gmail.com>
  16 ;;; Copyright © 2015, 2016 Erik Edrosa <erik.edrosa@gmail.com>
  17 ;;; Copyright © 2015, 2016, 2017, 2018, 2019, 2020 Efraim Flashner <efraim@flashner.co.il>
  18 ;;; Copyright © 2015, 2017 Kyle Meyer <kyle@kyleam.com>
  19 ;;; Copyright © 2015, 2016 Chris Marusich <cmmarusich@gmail.com>
  20 ;;; Copyright © 2016 Danny Milosavljevic <dannym+a@scratchpost.org>
  21 ;;; Copyright © 2016 Lukas Gradl <lgradl@openmailbox.org>
  22 ;;; Copyright © 2016, 2018 Hartmut Goebel <h.goebel@crazy-compilers.com>
  23 ;;; Copyright © 2016 Daniel Pimentel <d4n1@d4n1.org>
  24 ;;; Copyright © 2016 Sou Bunnbu <iyzsong@gmail.com>
  25 ;;; Copyright © 2016, 2017 Troy Sankey <sankeytms@gmail.com>
  26 ;;; Copyright © 2016, 2017 Nikita <nikita@n0.is>
  27 ;;; Copyright © 2016 Dylan Jeffers <sapientech@sapientech@openmailbox.org>
  28 ;;; Copyright © 2016 David Craven <david@craven.ch>
  29 ;;; Copyright © 2016, 2017, 2018, 2019, 2020 Marius Bakke <mbakke@fastmail.com>
  30 ;;; Copyright © 2016, 2017 Stefan Reichör <stefan@xsteve.at>
  31 ;;; Copyright © 2016 Dylan Jeffers <sapientech@sapientech@openmailbox.org>
  32 ;;; Copyright © 2016, 2017 Alex Vong <alexvong1995@gmail.com>
  33 ;;; Copyright © 2016, 2017, 2018 Arun Isaac <arunisaac@systemreboot.net>
  34 ;;; Copyright © 2016, 2017, 2018 Julien Lepiller <julien@lepiller.eu>
  35 ;;; Copyright © 2016–2018, 2021 Tobias Geerinckx-Rice <me@tobias.gr>
  36 ;;; Copyright © 2016, 2017 Thomas Danckaert <post@thomasdanckaert.be>
  37 ;;; Copyright © 2017 Carlo Zancanaro <carlo@zancanaro.id.au>
  38 ;;; Copyright © 2017 Frederick M. Muriithi <fredmanglis@gmail.com>
  39 ;;; Copyright © 2017, 2018 Adriano Peluso <catonano@gmail.com>
  40 ;;; Copyright © 2017 Ben Sturmfels <ben@sturm.com.au>
  41 ;;; Copyright © 2017, 2018, 2019 Mathieu Othacehe <m.othacehe@gmail.com>
  42 ;;; Copyright © 2017 José Miguel Sánchez García <jmi2k@openmailbox.org>
  43 ;;; Copyright © 2017 Roel Janssen <roel@gnu.org>
  44 ;;; Copyright © 2017, 2018 Kei Kebreau <kkebreau@posteo.net>
  45 ;;; Copyright © 2017 Rutger Helling <rhelling@mykolab.com>
  46 ;;; Copyright © 2017 Muriithi Frederick Muriuki <fredmanglis@gmail.com>
  47 ;;; Copyright © 2017 Brendan Tildesley <mail@brendan.scot>
  48 ;;; Copyright © 2018 Ethan R. Jones <ethanrjones97@gmail.com
  49 ;;; Copyright © 2018 Fis Trivial <ybbs.daans@hotmail.com>
  50 ;;; Copyright © 2018 Vijayalakshmi Vedantham <vijimay12@gmail.com>
  51 ;;; Copyright © 2018 Mathieu Lirzin <mthl@gnu.org>
  52 ;;; Copyright © 2018 Adam Massmann <massmannak@gmail.com>
  53 ;;; Copyright © 2016, 2018 Tomáš Čech <sleep_walker@gnu.org>
  54 ;;; Copyright © 2018 Nicolas Goaziou <mail@nicolasgoaziou.fr>
  55 ;;; Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com>
  56 ;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org>
  57 ;;; Copyright © 2018, 2019 Maxim Cournoyer <maxim.cournoyer@gmail.com>
  58 ;;; Copyright © 2018 Luther Thompson <lutheroto@gmail.com>
  59 ;;; Copyright © 2018 Vagrant Cascadian <vagrant@debian.org>
  60 ;;; Copyright © 2019 Tanguy Le Carrour <tanguy@bioneland.org>
  61 ;;; Copyright © 2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  62 ;;; Copyright © 2021 Greg Hogan <code@greghogan.com>
  63 ;;;
  64 ;;; This file is part of GNU Guix.
  65 ;;;
  66 ;;; GNU Guix is free software; you can redistribute it and/or modify it
  67 ;;; under the terms of the GNU General Public License as published by
  68 ;;; the Free Software Foundation; either version 3 of the License, or (at
  69 ;;; your option) any later version.
  70 ;;;
  71 ;;; GNU Guix is distributed in the hope that it will be useful, but
  72 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  73 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  74 ;;; GNU General Public License for more details.
  75 ;;;
  76 ;;; You should have received a copy of the GNU General Public License
  77 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  78
  79 (define-module (gnu packages python)
  80   #:use-module ((guix licenses) #:prefix license:)
  81   #:use-module (gnu packages)
  82   #:use-module (gnu packages base)
  83   #:use-module (gnu packages bash)
  84   #:use-module (gnu packages certs)
  85   #:use-module (gnu packages check)
  86   #:use-module (gnu packages compression)
  87   #:use-module (gnu packages dbm)
  88   #:use-module (gnu packages hurd)
  89   #:use-module (gnu packages libffi)
  90   #:use-module (gnu packages ncurses)
  91   #:use-module (gnu packages pkg-config)
  92   #:use-module (gnu packages python-xyz)
  93   #:use-module (gnu packages readline)
  94   #:use-module (gnu packages shells)
  95   #:use-module (gnu packages sqlite)
  96   #:use-module (gnu packages tcl)
  97   #:use-module (gnu packages tls)
  98   #:use-module (gnu packages xml)
  99   #:use-module (guix packages)
 100   #:use-module (guix download)
 101   #:use-module (guix utils)
 102   #:use-module (guix build-system gnu)
 103   #:use-module (guix build-system trivial)
 104   #:use-module (srfi srfi-1)
 105   #:use-module (srfi srfi-26))
 106
 107 (define-public python-2.7
 108   (package
 109     (name "python2")
 110     (replacement python-2.7/fixed)
 111     (version "2.7.17")
 112     (source
 113      (origin
 114       (method url-fetch)
 115       (uri (string-append "https://www.python.org/ftp/python/"
 116                           version "/Python-" version ".tar.xz"))
 117       (sha256
 118        (base32
 119         "0hds28cg226m8j8sr394nm9yc4gxhvlv109w0avsf2mxrlrz0hsd"))
 120       (patches (search-patches "python-2.7-search-paths.patch"
 121                                "python-2-deterministic-build-info.patch"
 122                                "python-2.7-site-prefixes.patch"
 123                                "python-2.7-source-date-epoch.patch"
 124                                "python-2.7-adjust-tests.patch"
 125                                "python-cross-compile.patch"))
 126       (modules '((guix build utils)))
 127       (snippet
 128        '(begin
 129           ;; Ensure the bundled copies of these libraries are not used.
 130           (for-each delete-file-recursively
 131                     '("Modules/_ctypes/libffi" "Modules/expat" "Modules/zlib"))
 132
 133           (substitute* "Modules/Setup.dist"
 134             ;; Link Expat instead of embedding the bundled one.
 135             (("^#pyexpat.*") "pyexpat pyexpat.c -lexpat\n"))
 136
 137           ;; Suboptimal to delete failing tests here, but if we delete them in
 138           ;; the arguments then we need to make sure to strip out that phase
 139           ;; when it gets inherited by python and python-minimal.
 140           (for-each delete-file
 141                     '("Lib/test/test_compileall.py"
 142                       "Lib/test/test_ctypes.py" ; fails on mips64el
 143                       "Lib/test/test_distutils.py"
 144                       "Lib/test/test_import.py"
 145                       "Lib/test/test_shutil.py"
 146                       "Lib/test/test_socket.py"
 147                       "Lib/test/test_subprocess.py"))
 148           #t))))
 149     (outputs '("out"
 150                "tk"))                     ;tkinter; adds 50 MiB to the closure
 151     (build-system gnu-build-system)
 152     (arguments
 153      `(#:test-target "test"
 154        #:configure-flags
 155        (list "--enable-shared"                    ;allow embedding
 156              "--with-system-expat"                ;for XML support
 157              "--with-system-ffi"                  ;build ctypes
 158              "--with-ensurepip=install"           ;install pip and setuptools
 159              "--enable-unicode=ucs4"
 160
 161              ;; Prevent the installed _sysconfigdata.py from retaining a reference
 162              ;; to coreutils.
 163              "INSTALL=install -c"
 164              "MKDIR_P=mkdir -p"
 165
 166              ;; Disable runtime check failing if cross-compiling, see:
 167              ;; https://lists.yoctoproject.org/pipermail/poky/2013-June/008997.html
 168              ,@(if (%current-target-system)
 169                    '("ac_cv_buggy_getaddrinfo=no"
 170                      "ac_cv_file__dev_ptmx=no"
 171                      "ac_cv_file__dev_ptc=no")
 172                    '())
 173              (string-append "LDFLAGS=-Wl,-rpath="
 174                             (assoc-ref %outputs "out") "/lib"))
 175        ;; With no -j argument tests use all available cpus, so provide one.
 176        #:make-flags
 177        (list (string-append
 178               (format #f "TESTOPTS=-j~d" (parallel-job-count))
 179               ;; Exclude the following tests as they fail
 180               ;; non-deterministically with "error: [Errno 104] Connection
 181               ;; reset by peer."  Python 3 seems unaffected.  A potential fix,
 182               ;; yet to be backported to Python 2, is available at:
 183               ;; https://github.com/python/cpython/commit/529525fb5a8fd9b96ab4021311a598c77588b918.
 184               " --exclude test_urllib2_localnet test_httplib"))
 185
 186         #:modules ((ice-9 ftw) (ice-9 match)
 187                    (guix build utils) (guix build gnu-build-system))
 188         #:phases
 189         (modify-phases %standard-phases
 190           (add-before
 191            'configure 'patch-lib-shells
 192            (lambda _
 193              ;; This variable is used in setup.py to enable cross compilation
 194              ;; specific switches. As it is not set properly by configure
 195              ;; script, set it manually.
 196              ,@(if (%current-target-system)
 197                    '((setenv "_PYTHON_HOST_PLATFORM" ""))
 198                    '())
 199              ;; Filter for existing files, since some may not exist in all
 200              ;; versions of python that are built with this recipe.
 201              (substitute* (filter file-exists?
 202                                   '("Lib/subprocess.py"
 203                                     "Lib/popen2.py"
 204                                     "Lib/distutils/tests/test_spawn.py"
 205                                     "Lib/test/support/__init__.py"
 206                                     "Lib/test/test_subprocess.py"))
 207                (("/bin/sh") (which "sh")))
 208              #t))
 209           ,@(if (hurd-system?)
 210                 `((add-before 'build 'patch-regen-for-hurd
 211                     (lambda* (#:key inputs #:allow-other-keys)
 212                       (let ((libc (assoc-ref inputs "libc")))
 213                         (substitute* "Lib/plat-generic/regen"
 214                           (("/usr/include/") (string-append libc "/include/")))
 215                         #t))))
 216                 '())
 217           (add-before 'configure 'do-not-record-configure-flags
 218             (lambda* (#:key configure-flags #:allow-other-keys)
 219               ;; Remove configure flags from the installed '_sysconfigdata.py'
 220               ;; and 'Makefile' so we don't end up keeping references to the
 221               ;; build tools.
 222               ;;
 223               ;; Preserve at least '--with-system-ffi' since otherwise the
 224               ;; thing tries to build libffi, fails, and we end up with a
 225               ;; Python that lacks ctypes.
 226               (substitute* "configure"
 227                 (("^CONFIG_ARGS=.*$")
 228                  (format #f "CONFIG_ARGS='~a'\n"
 229                          (if (member "--with-system-ffi" configure-flags)
 230                              "--with-system-ffi"
 231                              ""))))
 232               #t))
 233           (add-before
 234            'check 'pre-check
 235            (lambda _
 236              ;; 'Lib/test/test_site.py' needs a valid $HOME
 237              (setenv "HOME" (getcwd))
 238              #t))
 239           (add-after
 240            'unpack 'set-source-file-times-to-1980
 241            ;; XXX One of the tests uses a ZIP library to pack up some of the
 242            ;; source tree, and fails with "ZIP does not support timestamps
 243            ;; before 1980".  Work around this by setting the file times in the
 244            ;; source tree to sometime in early 1980.
 245            (lambda _
 246              (let ((circa-1980 (* 10 366 24 60 60)))
 247                (ftw "." (lambda (file stat flag)
 248                           (utime file circa-1980 circa-1980)
 249                           #t))
 250                #t)))
 251           (add-after 'install 'remove-tests
 252             ;; Remove 25 MiB of unneeded unit tests.  Keep test_support.*
 253             ;; because these files are used by some libraries out there.
 254             (lambda* (#:key outputs #:allow-other-keys)
 255               (let ((out (assoc-ref outputs "out")))
 256                 (match (scandir (string-append out "/lib")
 257                                 (lambda (name)
 258                                   (string-prefix? "python" name)))
 259                   ((pythonX.Y)
 260                    (let ((testdir (string-append out "/lib/" pythonX.Y
 261                                                  "/test")))
 262                      (with-directory-excursion testdir
 263                        (for-each delete-file-recursively
 264                                  (scandir testdir
 265                                           (match-lambda
 266                                             ((or "." "..") #f)
 267                                             ("support" #f)
 268                                             (file
 269                                              (not
 270                                               (string-prefix? "test_support."
 271                                                               file))))))
 272                        (call-with-output-file "__init__.py" (const #t))
 273                        #t)))))))
 274           (add-after 'remove-tests 'rebuild-bytecode
 275             (lambda* (#:key outputs #:allow-other-keys)
 276               (let ((out (assoc-ref outputs "out")))
 277                 ;; Disable hash randomization to ensure the generated .pycs
 278                 ;; are reproducible.
 279                 (setenv "PYTHONHASHSEED" "0")
 280                 (for-each
 281                  (lambda (opt)
 282                    (format #t "Compiling with optimization level: ~a\n"
 283                            (if (null? opt) "none" (car opt)))
 284                    (for-each (lambda (file)
 285                                (apply invoke
 286                                       `(,,(if (%current-target-system)
 287                                               "python2"
 288                                               '(string-append out "/bin/python"))
 289                                         ,@opt
 290                                         "-m" "compileall"
 291                                         "-f" ; force rebuild
 292                                         ;; Don't build lib2to3, because it contains Python 3 code.
 293                                         "-x" "lib2to3/.*"
 294                                         ,file)))
 295                              (find-files out "\\.py$")))
 296                  (list '() '("-O") '("-OO")))
 297                 #t)))
 298           (add-after 'install 'move-tk-inter
 299             (lambda* (#:key outputs #:allow-other-keys)
 300               ;; When Tkinter support is built move it to a separate output so
 301               ;; that the main output doesn't contain a reference to Tcl/Tk.
 302               (let ((out (assoc-ref outputs "out"))
 303                     (tk  (assoc-ref outputs "tk")))
 304                 (when tk
 305                   (match (find-files out "tkinter.*\\.so")
 306                     ((tkinter.so)
 307                      ;; The .so is in OUT/lib/pythonX.Y/lib-dynload, but we
 308                      ;; want it under TK/lib/pythonX.Y/site-packages.
 309                      (let* ((len    (string-length out))
 310                             (target (string-append
 311                                      tk "/"
 312                                      (string-drop
 313                                       (dirname (dirname tkinter.so))
 314                                       len)
 315                                      "/site-packages")))
 316                        (install-file tkinter.so target)
 317                        (delete-file tkinter.so)))))
 318                 #t))))))
 319     (inputs
 320      `(("bzip2" ,bzip2)
 321        ("expat" ,expat)
 322        ("gdbm" ,gdbm)
 323        ("libffi" ,libffi)                         ; for ctypes
 324        ("sqlite" ,sqlite)                         ; for sqlite extension
 325        ("openssl" ,openssl)
 326        ("readline" ,readline)
 327        ("zlib" ,zlib)
 328        ("tcl" ,tcl)
 329        ("tk" ,tk)))                               ; for tkinter
 330     (native-inputs
 331      `(("pkg-config" ,pkg-config)
 332        ;; When cross-compiling, a native version of Python itself is needed.
 333        ,@(if (%current-target-system)
 334              `(("python2" ,this-package)
 335                ("which" ,which))
 336              '())))
 337     (native-search-paths
 338      (list (search-path-specification
 339             (variable "PYTHONPATH")
 340             (files '("lib/python2.7/site-packages")))))
 341     (home-page "https://www.python.org")
 342     (synopsis "High-level, dynamically-typed programming language")
 343     (description
 344      "Python is a remarkably powerful dynamic programming language that
 345 is used in a wide variety of application domains.  Some of its key
 346 distinguishing features include: clear, readable syntax; strong
 347 introspection capabilities; intuitive object orientation; natural
 348 expression of procedural code; full modularity, supporting hierarchical
 349 packages; exception-based error handling; and very high level dynamic
 350 data types.")
 351     (properties '((cpe-name . "python")))
 352     (license license:psfl)))
 353
 354 (define python-2.7/fixed
 355   (package
 356     (inherit python-2.7)
 357     (source (origin
 358               (inherit (package-source python-2.7))
 359               (patches (append (search-patches "python-2.7-CVE-2021-3177.patch")
 360                                (origin-patches (package-source python-2.7))))))))
 361
 362 ;; Current 2.x version.
 363 (define-public python-2 python-2.7)
 364
 365 (define-public python2-called-python
 366   ;; Both 2.x and 3.x used to be called "python".  In commit
 367   ;; a7714d42de2c3082f3609d1e63c83d703fb39cf9 (March 2018), we renamed the
 368   ;; Python 2.x package to "python2".
 369   (package
 370     (inherit python-2)
 371     (name "python")
 372     (properties `((superseded . ,python-2)))))
 373
 374 (define-public python-3.8
 375   (package (inherit python-2)
 376     (name "python")
 377     (replacement python-3.8/fixed)
 378     (version "3.8.2")
 379     (source (origin
 380               (method url-fetch)
 381               (uri (string-append "https://www.python.org/ftp/python/"
 382                                   version "/Python-" version ".tar.xz"))
 383               (patches (search-patches
 384                         "python-CVE-2020-26116.patch"
 385                         "python-3-fix-tests.patch"
 386                         "python-3.8-fix-tests.patch"
 387                         "python-3-deterministic-build-info.patch"
 388                         "python-3-search-paths.patch"))
 389               (sha256
 390                (base32
 391                 "1ps5v323cp5czfshqjmbsqw7nvrdpcbk06f62jbzaqik4gfffii6"))
 392               (modules '((guix build utils)))
 393               (snippet
 394                '(begin
 395                   ;; Delete the bundled copy of libexpat.
 396                   (delete-file-recursively "Modules/expat")
 397                   (substitute* "Modules/Setup"
 398                     ;; Link Expat instead of embedding the bundled one.
 399                     (("^#pyexpat.*") "pyexpat pyexpat.c -lexpat\n"))
 400                   #t))))
 401     (arguments
 402      (substitute-keyword-arguments (package-arguments python-2)
 403        ((#:make-flags _)
 404         `(list (string-append
 405                 (format #f "TESTOPTS=-j~d" (parallel-job-count))
 406                 ;; test_mmap fails on low-memory systems.
 407                 " --exclude test_mmap"
 408                 ;; test_socket may hang and eventually run out of memory
 409                 ;; on some systems: <https://bugs.python.org/issue34587>.
 410                 " test_socket"
 411                 ,@(if (hurd-target?)
 412                       '(" test_posix"      ;multiple errors
 413                         " test_time"
 414                         " test_pty"
 415                         " test_shutil"
 416                         " test_tempfile"   ;chflags: invalid argument:
 417                                            ;  tbv14c9t/dir0/dir0/dir0/test0.txt
 418                         " test_asyncio"    ;runs over 10min
 419                         " test_os"         ;stty: 'standard input':
 420                                            ;  Inappropriate ioctl for device
 421                         " test_openpty"    ;No such file or directory
 422                         " test_selectors"  ;assertEqual(NUM_FDS // 2, len(fds))
 423                                            ;  32752 != 4
 424                         " test_compileall" ;multiple errors
 425                         " test_poll"       ;list index out of range
 426                         " test_subprocess" ;runs over 10min
 427                         " test_asyncore"   ;multiple errors
 428                         " test_threadsignals"
 429                         " test_eintr"      ;Process return code is -14
 430                         " test_io"         ;multiple errors
 431                         " test_logging"
 432                         " test_signal"
 433                         " test_threading"  ;runs over 10min
 434                         " test_flags"      ;ERROR
 435                         " test_bidirectional_pty"
 436                         " test_create_unix_connection"
 437                         " test_unix_sock_client_ops"
 438                         " test_open_unix_connection"
 439                         " test_open_unix_connection_error"
 440                         " test_read_pty_output"
 441                         " test_write_pty")
 442                       '()))))
 443        ((#:phases phases)
 444        `(modify-phases ,phases
 445           ,@(if (hurd-system?)
 446                 `((delete 'patch-regen-for-hurd)) ;regen was removed after 3.5.9
 447                 '())
 448           ,@(if (hurd-target?)
 449                 ;; The build system refuses to cross-compile for unknown targets
 450                 ;; even though it works fine.  Add GNU/Hurd target.
 451                 ;; TODO: Make it a patch in a future rebuild cycle.
 452                 '((add-before 'configure 'support-hurd-cross-compile
 453                     (lambda _
 454                       (substitute* "configure"
 455                         (("\\*-\\*-vxworks.*" all)
 456                          (string-append "*-*-gnu)\nac_sys_system=GNU\n;;\n" all)))
 457                       #t)))
 458                 '())
 459           (add-before 'check 'set-TZDIR
 460             (lambda* (#:key inputs native-inputs #:allow-other-keys)
 461               ;; test_email requires the Olson time zone database.
 462               (setenv "TZDIR"
 463                       (string-append (assoc-ref
 464                                       (or native-inputs inputs) "tzdata")
 465                                      "/share/zoneinfo"))
 466               #t))
 467           ;; Unset SOURCE_DATE_EPOCH while running the test-suite and set it
 468           ;; again afterwards.  See <https://bugs.python.org/issue34022>.
 469           (add-before 'check 'unset-SOURCE_DATE_EPOCH
 470             (lambda _ (unsetenv "SOURCE_DATE_EPOCH") #t))
 471           (add-after 'check 'reset-SOURCE_DATE_EPOCH
 472             (lambda _ (setenv "SOURCE_DATE_EPOCH" "1") #t))
 473            (replace 'rebuild-bytecode
 474              (lambda* (#:key outputs #:allow-other-keys)
 475                (let ((out (assoc-ref outputs "out")))
 476                  ;; Disable hash randomization to ensure the generated .pycs
 477                  ;; are reproducible.
 478                  (setenv "PYTHONHASHSEED" "0")
 479                  (for-each
 480                   (lambda (opt)
 481                     (format #t "Compiling with optimization level: ~a\n"
 482                             (if (null? opt) "none" (car opt)))
 483                     (for-each (lambda (file)
 484                                 (apply invoke
 485                                        `(,,(if (%current-target-system)
 486                                                "python3"
 487                                                '(string-append out
 488                                                                "/bin/python3"))
 489                                           ,@opt
 490                                           "-m" "compileall"
 491                                           "-f" ; force rebuild
 492                                           ;; Don't build lib2to3, because it's Python 2 code.
 493                                           "-x" "lib2to3/.*"
 494                                           ,file)))
 495                               (find-files out "\\.py$")))
 496                   (list '() '("-O") '("-OO")))
 497                  #t)))
 498            ;; XXX: Apply patch on ARM platforms only to avoid a full rebuild.
 499            ;; Remove this phase in the next rebuild cycle.
 500            ,@(let ((system (or (%current-target-system)
 501                                (%current-system))))
 502                (if (any (cute string-prefix? <> system)
 503                         '("arm" "aarch64"))
 504                    '((add-after 'unpack 'apply-alignment-patch
 505                        (lambda* (#:key native-inputs inputs #:allow-other-keys)
 506                         (invoke "patch" "-p1" "--force" "--input"
 507                                 (assoc-ref (or native-inputs inputs)
 508                                            "arm-alignment.patch")))))
 509                    '()))))))
 510     (native-inputs
 511      `(("tzdata" ,tzdata-for-tests)
 512
 513        ;; Disable unaligned accesses in the sha3 module on ARM as
 514        ;; it causes a test failure when building 32-bit Python on a
 515        ;; 64-bit kernel.  See <https://bugs.python.org/issue36515>.
 516        ;; TODO: make this a regular patch in the next rebuild cycle.
 517        ,@(let ((system (or (%current-target-system)
 518                            (%current-system))))
 519            (if (any (cute string-prefix? <> system)
 520                     '("arm" "aarch64"))
 521                `(("arm-alignment.patch" ,(search-patch "python-3-arm-alignment.patch")))
 522                '()))
 523
 524        ,@(if (%current-target-system)
 525              `(("python3" ,this-package))
 526              '())
 527        ,@(package-native-inputs python-2)))
 528     (native-search-paths
 529      (list (search-path-specification
 530             (variable "PYTHONPATH")
 531             (files (list (string-append "lib/python"
 532                                         (version-major+minor version)
 533                                         "/site-packages"))))))))
 534
 535 (define python-3.8/fixed
 536   (package
 537     (inherit python-3.8)
 538     (source (origin
 539               (inherit (package-source python-3.8))
 540               (patches (append (search-patches "python-3.8-CVE-2021-3177.patch")
 541                                (origin-patches (package-source python-3.8))))))))
 542
 543 (define-public python-3.9
 544   (package (inherit python-3.8)
 545     (name "python-next")
 546     (version "3.9.2")
 547     (source (origin
 548               (method url-fetch)
 549               (uri (string-append "https://www.python.org/ftp/python/"
 550                                   version "/Python-" version ".tar.xz"))
 551               (patches (search-patches
 552                         "python-3.9-fix-tests.patch"
 553                         "python-3-deterministic-build-info.patch"
 554                         "python-3-search-paths.patch"))
 555               (sha256
 556                (base32
 557                 "0z94vv5qhlwvcgc4sy9sdiqs0220s84wx3b62vslh5419z2k881w"))
 558               (modules '((guix build utils)))
 559               (snippet
 560                '(begin
 561                   ;; Delete the bundled copy of libexpat.
 562                   (delete-file-recursively "Modules/expat")
 563                   (substitute* "Modules/Setup"
 564                     ;; Link Expat instead of embedding the bundled one.
 565                     (("^#pyexpat.*") "pyexpat pyexpat.c -lexpat\n"))
 566                   #t))))))
 567
 568 ;; Current 3.x version.
 569 (define-public python-3 python-3.8)
 570
 571 ;; Current major version.
 572 (define-public python python-3)
 573
 574 ;; Minimal variants of Python, mostly used to break the cycle between Tk and
 575 ;; Python (Tk -> libxcb -> Python.)
 576
 577 (define-public python2-minimal
 578   (package/inherit python-2
 579     (name "python2-minimal")
 580     (outputs '("out"))
 581
 582     ;; Keep zlib, which is used by 'pip' (via the 'zipimport' module), which
 583     ;; is invoked upon 'make install'.  'pip' also expects 'ctypes' and thus
 584     ;; libffi.  Expat is needed for XML support which is expected by a lot
 585     ;; of libraries out there.
 586     (inputs `(("expat" ,expat)
 587               ("libffi" ,libffi)
 588               ("zlib" ,zlib)))))
 589
 590 (define-public python-minimal
 591   (package/inherit python
 592     (name "python-minimal")
 593     (outputs '("out"))
 594
 595     ;; Build fails due to missing ctypes without libffi.
 596     ;; OpenSSL is a mandatory dependency of Python 3.x, for urllib;
 597     ;; zlib is required by 'zipimport', used by pip.  Expat is needed
 598     ;; for XML support, which is generally expected to be available.
 599     (inputs `(("expat" ,expat)
 600               ("libffi" ,libffi)
 601               ("openssl" ,openssl)
 602               ("zlib" ,zlib)))))
 603
 604 (define-public python-debug
 605   (package/inherit python
 606     (name "python-debug")
 607     (outputs '("out" "debug"))
 608     (build-system gnu-build-system)
 609     (arguments
 610      (substitute-keyword-arguments (package-arguments python)
 611        ((#:configure-flags flags '())
 612         `(cons "--with-pydebug" ,flags))))
 613     (synopsis
 614      "High-level, dynamically-typed programming language (for debugging)")
 615     (description
 616      "This variant of Python provides an interpreter built with
 617 @code{--with-pydebug} to help develop and debug extensions.  See
 618 @url{https://pythonextensionpatterns.readthedocs.io/en/latest/debugging/debug.html},
 619 for more information.")))
 620
 621 (define* (wrap-python3 python
 622                        #:optional
 623                        (name (string-append (package-name python) "-wrapper")))
 624   (package/inherit python
 625     (name name)
 626     (source #f)
 627     (build-system trivial-build-system)
 628     (outputs '("out"))
 629     (inputs `(("bash" ,bash)))
 630     (propagated-inputs `(("python" ,python)))
 631     (arguments
 632      `(#:modules ((guix build utils))
 633        #:builder
 634          (begin
 635            (use-modules (guix build utils))
 636            (let ((bin (string-append (assoc-ref %outputs "out") "/bin"))
 637                  (python (string-append (assoc-ref %build-inputs "python") "/bin/")))
 638                 (mkdir-p bin)
 639                 (for-each
 640                   (lambda (old new)
 641                     (symlink (string-append python old)
 642                              (string-append bin "/" new)))
 643                   `("python3" ,"pydoc3" ,"idle3" ,"pip3")
 644                   `("python"  ,"pydoc"  ,"idle"  ,"pip"))
 645                 ;; python-config outputs search paths based upon its location,
 646                 ;; use a bash wrapper to avoid changing its outputs.
 647                 (let ((bash (string-append (assoc-ref %build-inputs "bash")
 648                                            "/bin/bash"))
 649                       (old  (string-append python "python3-config"))
 650                       (new  (string-append bin "/python-config")))
 651                   (with-output-to-file new
 652                     (lambda ()
 653                       (format #t "#!~a~%" bash)
 654                       (format #t "exec \"~a\" \"$@\"~%" old)
 655                       (chmod new #o755)
 656                       #t)))))))
 657     (synopsis "Wrapper for the Python 3 commands")
 658     (description
 659      "This package provides wrappers for the commands of Python@tie{}3.x such
 660 that they can be invoked under their usual name---e.g., @command{python}
 661 instead of @command{python3} or @command{pip} instead of @command{pip3}.
 662 To function properly, this package should not be installed together with the
 663 @command{python} package.")))
 664
 665 (define-public python-wrapper (wrap-python3 python))
 666 (define-public python-minimal-wrapper (wrap-python3 python-minimal))
 667
 668 (define-public micropython
 669   (package
 670     (name "micropython")
 671     (version "1.14")
 672     (source
 673       (origin
 674         (method url-fetch)
 675         (uri (string-append "https://github.com/micropython/micropython/"
 676                             "releases/download/v" version
 677                             "/micropython-" version ".tar.xz"))
 678         (sha256
 679          (base32 "0k6ri3rxxnnmvcbi7z7x59r21f4vj9dcf9j64jhj1cgazmb62c4p"))
 680       (modules '((guix build utils)))
 681       (snippet
 682        '(begin
 683           (delete-file-recursively "ports/cc3200/FreeRTOS")
 684           (with-directory-excursion "lib"
 685             ;; TODO: Unbundle axtls and berkley-db-1.xx
 686             (for-each delete-file-recursively
 687                       '("libffi" "lwip" "stm32lib" "nrfx")))
 688           #t))))
 689     (build-system gnu-build-system)
 690     (arguments
 691      `(#:phases
 692        (modify-phases %standard-phases
 693          (add-before 'build 'build-mpy-cross
 694            (lambda* (#:key make-flags #:allow-other-keys)
 695              (with-directory-excursion "mpy-cross"
 696                (apply invoke "make" make-flags))))
 697          (add-after 'build-mpy-cross 'prepare-build
 698            (lambda _
 699              (chdir "ports/unix")
 700              ;; see: https://github.com/micropython/micropython/pull/4246
 701              (substitute* "Makefile"
 702                (("-Os") "-Os -ffp-contract=off"))
 703              #t))
 704          (replace 'install-license-files
 705            ;; We don't build in the root directory so the file isn't found.
 706            (lambda* (#:key outputs #:allow-other-keys)
 707              (let* ((out  (assoc-ref outputs "out"))
 708                     (dest (string-append out "/share/doc/" ,name "-" ,version "/")))
 709                (install-file "../../LICENSE" dest))
 710              #t))
 711          (delete 'configure)) ; no configure
 712        #:make-flags (list (string-append "PREFIX=" (assoc-ref %outputs "out"))
 713                           "V=1")
 714        #:test-target "test"))
 715     (native-inputs
 716      `(("pkg-config" ,pkg-config)
 717        ("python" ,python-wrapper)))
 718     (inputs
 719      `(("libffi" ,libffi)))
 720     (home-page "https://micropython.org/")
 721     (synopsis "Python implementation for microcontrollers and constrained systems")
 722     (description "MicroPython is a lean and efficient implementation of the
 723 Python 3 programming language that includes a small subset of the Python
 724 standard library and is optimised to run on microcontrollers and in constrained
 725 environments.  MicroPython is packed full of advanced features such as an
 726 interactive prompt, arbitrary precision integers, closures, list comprehension,
 727 generators, exception handling and more.  Still it is compact enough to fit and
 728 run within just 256k of code space and 16k of RAM.  MicroPython aims to be as
 729 compatible with normal Python as possible to allow you to transfer code with
 730 ease from the desktop to a microcontroller or embedded system.")
 731     (license license:expat)))
 732
 733 (define-public pypy3
 734   (package
 735     (name "pypy3")
 736     (version "7.3.1")
 737     (source (origin
 738               (method url-fetch)
 739               (uri (string-append "https://bitbucket.org/pypy/pypy/downloads/" ;
 740                                   "pypy3.6-v" version "-src.tar.bz2"))
 741               (sha256
 742                (base32
 743                 "10zsk8jby8j6visk5mzikpb1cidvz27qq4pfpa26jv53klic6b0c"))
 744               (patches (search-patches "pypy3-7.3.1-fix-tests.patch"))))
 745     (build-system gnu-build-system)
 746     (native-inputs
 747      `(("python-2" ,python-2)
 748        ("pkg-config" ,pkg-config)
 749        ("tar" ,tar)                     ; Required for package.py
 750        ("python2-pycparser" ,python2-pycparser)
 751        ("python2-hypothesis" ,python2-hypothesis)
 752        ("nss-certs" ,nss-certs)         ; For ssl tests
 753        ("gzip" ,gzip)))
 754     (inputs
 755      `(("libffi" ,libffi)
 756        ("zlib" ,zlib)
 757        ("ncurses" ,ncurses)
 758        ("openssl" ,openssl)
 759        ("expat" ,expat)
 760        ("bzip2" ,bzip2)
 761        ("sqlite" ,sqlite)
 762        ("gdbm" ,gdbm)
 763        ("tcl" ,tcl)
 764        ("tk" ,tk)
 765        ("glibc" ,glibc)
 766        ("bash-minimal" ,bash-minimal)   ; Used as /bin/sh
 767        ("xz" ,xz)))                     ; liblzma
 768     (arguments
 769      `(#:tests? #f     ;FIXME: Disabled for now, there are many tests failing.
 770        #:modules ((ice-9 ftw) (ice-9 match)
 771                   (guix build utils) (guix build gnu-build-system))
 772        #:phases (modify-phases %standard-phases
 773                   (delete 'configure)
 774                   (add-after 'unpack 'patch-source
 775                     (lambda* (#:key inputs outputs #:allow-other-keys)
 776                       (substitute* '("rpython/rlib/clibffi.py")
 777                         ;; find_library does not work for libc
 778                         (("ctypes\\.util\\.find_library\\('c'\\)") "'libc.so'"))
 779                       (substitute* '("lib_pypy/cffi/_pycparser/ply/cpp.py")
 780                         ;; Make reproducible (XXX: unused?)
 781                         (("time\\.localtime\\(\\)") "time.gmtime(0)"))
 782                       (substitute* '("pypy/module/sys/version.py")
 783                         ;; Make reproducible
 784                         (("t\\.gmtime\\(\\)") "t.gmtime(0)"))
 785                       (substitute* '("lib_pypy/_tkinter/tklib_build.py")
 786                         ;; Link to versioned libtcl and libtk
 787                         (("linklibs = \\['tcl', 'tk'\\]")
 788                          "linklibs = ['tcl8.6', 'tk8.6']")
 789                         (("incdirs = \\[\\]")
 790                          (string-append "incdirs = ['"
 791                                         (assoc-ref inputs "tcl")
 792                                         "/include', '"
 793                                         (assoc-ref inputs "tk")
 794                                         "/include']")))
 795                       (substitute* '("lib_pypy/_curses_build.py")
 796                         ;; Find curses
 797                         (("/usr/local") (assoc-ref inputs "ncurses")))
 798                       (substitute* '("lib_pypy/_sqlite3_build.py")
 799                         ;; Always use search paths
 800                         (("sys\\.platform\\.startswith\\('freebsd'\\)") "True")
 801                         ;; Find sqlite3
 802                         (("/usr/local") (assoc-ref inputs "sqlite"))
 803                         (("libname = 'sqlite3'")
 804                          (string-append "libname = '"
 805                                         (assoc-ref inputs "sqlite")
 806                                         "/lib/libsqlite3.so.0'")))
 807                       (substitute* '("lib-python/3/subprocess.py")
 808                         ;; Fix shell path
 809                         (("/bin/sh")
 810                          (string-append (assoc-ref inputs "bash-minimal") "/bin/sh")))
 811                       (substitute* '("lib-python/3/distutils/unixccompiler.py")
 812                         ;; gcc-toolchain does not provide symlink cc -> gcc
 813                         (("\"cc\"") "\"gcc\""))
 814                       #t))
 815                   (add-after
 816                       'unpack 'set-source-file-times-to-1980
 817                     ;; copied from python package, required by zip testcase
 818                     (lambda _
 819                       (let ((circa-1980 (* 10 366 24 60 60)))
 820                         (ftw "." (lambda (file stat flag)
 821                                    (utime file circa-1980 circa-1980)
 822                                    #t))
 823                         #t)))
 824                   (replace 'build
 825                     (lambda* (#:key inputs #:allow-other-keys)
 826                       (with-directory-excursion "pypy/goal"
 827                         ;; Build with jit optimization.
 828                         (invoke "python2"
 829                                 "../../rpython/bin/rpython"
 830                                 (string-append "--make-jobs="
 831                                                (number->string (parallel-job-count)))
 832                                 "-Ojit"
 833                                 "targetpypystandalone"))
 834                       ;; Build c modules and package everything, so tests work.
 835                       (with-directory-excursion "pypy/tool/release"
 836                         (unsetenv "PYTHONPATH") ; Do not use the system’s python libs:
 837                                         ; AttributeError: module 'enum' has no
 838                                         ; attribute 'IntFlag'
 839                         (invoke "python2" "package.py"
 840                                 "--archive-name" "pypy-dist"
 841                                 "--builddir" (getcwd)))))
 842                   (replace 'check
 843                     (lambda* (#:key tests? #:allow-other-keys)
 844                       (if tests?
 845                           (begin
 846                             (setenv "HOME" "/tmp") ; test_with_pip tries to
 847                                         ; access ~/.cache/pip
 848                             ;; Run library tests only (no interpreter unit
 849                             ;; tests). This is what Gentoo does.
 850                             (invoke
 851                              "python2"
 852                              "pypy/test_all.py"
 853                              "--pypy=pypy/tool/release/pypy-dist/bin/pypy3"
 854                              "lib-python"))
 855                           (format #t "test suite not run~%"))
 856                       #t))
 857                   (replace 'install
 858                     (lambda* (#:key inputs outputs #:allow-other-keys)
 859                       (with-directory-excursion "pypy/tool/release"
 860                         ;; Delete test data.
 861                         (for-each
 862                          (lambda (x)
 863                            (delete-file-recursively (string-append
 864                                                      "pypy-dist/lib-python/3/" x)))
 865                          '("tkinter/test"
 866                            "test"
 867                            "sqlite3/test"
 868                            "lib2to3/tests"
 869                            "idlelib/idle_test"
 870                            "distutils/tests"
 871                            "ctypes/test"
 872                            "unittest/test"))
 873                         ;; Patch shebang referencing python2
 874                         (substitute* '("pypy-dist/lib-python/3/cgi.py"
 875                                        "pypy-dist/lib-python/3/encodings/rot_13.py")
 876                           (("#!.+/bin/python")
 877                            (string-append "#!" (assoc-ref outputs "out") "/bin/pypy3")))
 878                         (with-fluids ((%default-port-encoding "ISO-8859-1"))
 879                           (substitute* '("pypy-dist/lib_pypy/_md5.py"
 880                                          "pypy-dist/lib_pypy/_sha1.py")
 881                             (("#!.+/bin/python")
 882                              (string-append "#!" (assoc-ref outputs "out") "/bin/pypy3"))))
 883                         (copy-recursively "pypy-dist" (assoc-ref outputs "out")))
 884                       #t)))))
 885     (home-page "https://www.pypy.org/")
 886     (synopsis "Python implementation with just-in-time compilation")
 887     (description "PyPy is a faster, alternative implementation of the Python
 888 programming language employing a just-in-time compiler.  It supports most
 889 Python code natively, including C extensions.")
 890     (license (list license:expat        ; pypy itself; _pytest/
 891                    license:psfl ; python standard library in lib-python/
 892                    license:asl2.0 ; dotviewer/font/ and some of lib-python/
 893                    license:gpl3+ ; ./rpython/rlib/rvmprof/src/shared/libbacktrace/dwarf2.*
 894                    license:bsd-3 ; lib_pypy/cffi/_pycparser/ply/
 895                    (license:non-copyleft
 896                     "http://www.unicode.org/copyright.html")))))
 897