all messages for Guix-related lists mirrored at yhetil.org
 help / color / mirror / code / Atom feed
blob 8e3ea4151ae19796ae8810bb8b0dc09588562d30 5460 bytes (raw)
name: guix/build/python-build-system.scm 	 # note: path name is non-authoritative(*)

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
 
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (guix build python-build-system)
  #:use-module ((guix build gnu-build-system) #:prefix gnu:)
  #:use-module (guix build utils)
  #:use-module (ice-9 match)
  #:use-module (ice-9 ftw)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-26)
  #:export (%standard-phases
            python-build))

;; Commentary:
;;
;; Builder-side code of the standard Python package build procedure.
;;
;; Code:


(define (call-setuppy command params)
  (if (file-exists? "setup.py")
      (begin
         (format #t "running \"python setup.py\" with command ~s and parameters ~s~%"
                command params)
         (zero? (apply system* "python" "setup.py" command params)))
      (error "no setup.py found")))

(define* (build #:rest empty)
  "Build a given Python package."
  (call-setuppy "build" '()))

(define* (check #:key tests? test-target #:allow-other-keys)
  "Run the test suite of a given Python package."
  (if tests?
    (call-setuppy test-target '())
    #t))

(define (get-python-version python)
  (let* ((version     (last (string-split python #\-)))
         (components  (string-split version #\.))
         (major+minor (take components 2)))
    (string-join major+minor ".")))

(define* (install #:key outputs inputs (configure-flags '())
                  #:allow-other-keys)
  "Install a given Python package."
  (let* ((out (assoc-ref outputs "out"))
         (params (append (list (string-append "--prefix=" out))
                         configure-flags))
         (python-version (get-python-version (assoc-ref inputs "python")))
         (old-path (getenv "PYTHONPATH"))
         (add-path (string-append out "/lib/python" python-version
                                  "/site-packages/")))
        ;; create the module installation directory and add it to PYTHONPATH
        ;; to make setuptools happy
        (mkdir-p add-path)
        (setenv "PYTHONPATH"
                (string-append (if old-path
                                   (string-append old-path ":")
                                   "")
                               add-path))
        (call-setuppy "install" params)))

;; Use `wrap-language-program' to return an executable wrapper for python.
(define wrap
  (wrap-language-programs
   (lambda (inputs outputs)
     (string-append (assoc-ref outputs "out") "/lib/python"
                    (get-python-version (assoc-ref inputs "python"))
                    "/site-packages"))
   "PYTHONPATH"))

(define* (rename-pth-file #:key name inputs outputs #:allow-other-keys)
  "Rename easy-install.pth to NAME.pth to avoid conflicts between packages
installed with setuptools."
  (let* ((out (assoc-ref outputs "out"))
         (python (assoc-ref inputs "python"))
         (site-packages (string-append out "/lib/python"
                                       (get-python-version python)
                                       "/site-packages"))
         (easy-install-pth (string-append site-packages "/easy-install.pth"))
         (new-pth (string-append site-packages "/" name ".pth")))
    (when (file-exists? easy-install-pth)
      (rename-file easy-install-pth new-pth))
    #t))

(define* (ensure-no-mtimes-pre-1980 #:rest _)
  "Ensure that there are no mtimes before 1980-01-02 in the source tree."
  ;; Rationale: patch-and-repack creates tarballs with timestamps at the POSIX
  ;; epoch, 1970-01-01 UTC.  This causes problems with Python packages,
  ;; because Python eggs are ZIP files, and the ZIP format does not support
  ;; timestamps before 1980.
  (let ((early-1980 315619200))  ; 1980-01-02 UTC
    (ftw "." (lambda (file stat flag)
               (unless (<= early-1980 (stat:mtime stat))
                 (utime file early-1980 early-1980))
               #t))
    #t))

(define %standard-phases
  ;; 'configure' and 'build' phases are not needed.  Everything is done during
  ;; 'install'.
  (modify-phases gnu:%standard-phases
    (add-after 'unpack 'ensure-no-mtimes-pre-1980 ensure-no-mtimes-pre-1980)
    (delete 'configure)
    (replace 'install install)
    (replace 'check check)
    (replace 'build build)
    (add-after 'install 'wrap wrap)
    (add-before 'strip 'rename-pth-file rename-pth-file)))

(define* (python-build #:key inputs (phases %standard-phases)
                       #:allow-other-keys #:rest args)
  "Build the given Python package, applying all of PHASES in order."
  (apply gnu:gnu-build #:inputs inputs #:phases phases args))

;;; python-build-system.scm ends here

debug log:

solving 8e3ea41 ...
found 8e3ea41 in https://yhetil.org/guix/20161116132734.5943-4-alex@pompo.co/
found 9109fb4 in https://git.savannah.gnu.org/cgit/guix.git
preparing index
index prepared:
100644 9109fb4ac783769d8530c3b8f3b72e717fc1830c	guix/build/python-build-system.scm

applying [1/1] https://yhetil.org/guix/20161116132734.5943-4-alex@pompo.co/
diff --git a/guix/build/python-build-system.scm b/guix/build/python-build-system.scm
index 9109fb4..8e3ea41 100644

Checking patch guix/build/python-build-system.scm...
Applied patch guix/build/python-build-system.scm cleanly.

index at:
100644 8e3ea4151ae19796ae8810bb8b0dc09588562d30	guix/build/python-build-system.scm

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

Code repositories for project(s) associated with this external index

	https://git.savannah.gnu.org/cgit/guix.git

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.