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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.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-system python)
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (guix packages)
#:use-module (guix derivations)
#:use-module (guix build-system)
#:use-module (guix build-system gnu)
#:use-module (ice-9 match)
#:use-module (srfi srfi-26)
#:export (package-with-python2
python-build
python-build-system))
;; Commentary:
;;
;; Standard build procedure for Python packages using 'setup.py'. This is
;; implemented as an extension of 'gnu-build-system'.
;;
;; Code:
(define (default-python)
"Return the default Python package."
;; Lazily resolve the binding to avoid a circular dependency.
(let ((python (resolve-interface '(gnu packages python))))
(module-ref python 'python-wrapper)))
(define (default-python2)
"Return the default Python 2 package."
(let ((python (resolve-interface '(gnu packages python))))
(module-ref python 'python-2)))
(define (package-with-explicit-python p python old-prefix new-prefix)
"Create a package with the same fields as P, which is assumed to use
PYTHON-BUILD-SYSTEM, such that it is compiled with PYTHON instead. The
inputs are changed recursively accordingly. If the name of P starts with
OLD-PREFIX, this is replaced by NEW-PREFIX; otherwise, NEW-PREFIX is
prepended to the name."
(let* ((build-system (package-build-system p))
(rewrite-if-package
(lambda (content)
;; CONTENT may be a file name, in which case it is returned, or a
;; package, which is rewritten with the new PYTHON and NEW-PREFIX.
(if (package? content)
(package-with-explicit-python content python
old-prefix new-prefix)
content)))
(rewrite
(match-lambda
((name content . rest)
(append (list name (rewrite-if-package content)) rest)))))
(package (inherit p)
(name
(let ((name (package-name p)))
(if (eq? build-system python-build-system)
(string-append new-prefix
(if (string-prefix? old-prefix name)
(substring name (string-length old-prefix))
name))
name)))
(arguments
(let ((arguments (package-arguments p)))
(if (eq? build-system python-build-system)
(if (member #:python arguments)
(substitute-keyword-arguments arguments ((#:python p) python))
(append arguments `(#:python ,python)))
arguments)))
(inputs
(map rewrite (package-inputs p)))
(native-inputs
(map rewrite (package-native-inputs p))))))
(define package-with-python2
(cut package-with-explicit-python <> (default-python2) "python-" "python2-"))
(define* (lower name
#:key source inputs native-inputs outputs system target
(python (default-python))
#:allow-other-keys
#:rest arguments)
"Return a bag for NAME."
(define private-keywords
'(#:source #:target #:python #:inputs #:native-inputs))
(and (not target) ;XXX: no cross-compilation
(bag
(name name)
(system system)
(host-inputs `(,@(if source
`(("source" ,source))
'())
,@inputs
;; Keep the standard inputs of 'gnu-build-system'.
,@(standard-packages)))
(build-inputs `(("python" ,python)
,@native-inputs))
(outputs outputs)
(build python-build)
(arguments (strip-keyword-arguments private-keywords arguments)))))
(define* (python-build store name inputs
#:key
(tests? #t)
(test-target "test")
(configure-flags ''())
(phases '(@ (guix build python-build-system)
%standard-phases))
(outputs '("out"))
(search-paths '())
(system (%current-system))
(guile #f)
(imported-modules '((guix build python-build-system)
(guix build gnu-build-system)
(guix build utils)))
(modules '((guix build python-build-system)
(guix build utils))))
"Build SOURCE using PYTHON, and with INPUTS. This assumes that SOURCE
provides a 'setup.py' file as its build system."
(define builder
`(begin
(use-modules ,@modules)
(python-build #:name ,name
#:source ,(match (assoc-ref inputs "source")
(((? derivation? source))
(derivation->output-path source))
((source)
source)
(source
source))
#:configure-flags ,configure-flags
#:system ,system
#:test-target ,test-target
#:tests? ,tests?
#:phases ,phases
#:outputs %outputs
#:search-paths ',(map search-path-specification->sexp
search-paths)
#:inputs %build-inputs)))
(define guile-for-build
(match guile
((? package?)
(package-derivation store guile system #:graft? #f))
(#f ; the default
(let* ((distro (resolve-interface '(gnu packages commencement)))
(guile (module-ref distro 'guile-final)))
(package-derivation store guile system #:graft? #f)))))
(build-expression->derivation store name builder
#:inputs inputs
#:system system
#:modules imported-modules
#:outputs outputs
#:guile-for-build guile-for-build))
(define python-build-system
(build-system
(name 'python)
(description "The standard Python build system")
(lower lower)))
;;; python.scm ends here
|
