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-rw-r--r--gnu/packages/cryptsetup.scm2
-rw-r--r--gnu/packages/gdb.scm2
-rw-r--r--gnu/packages/ghostscript.scm2
-rw-r--r--gnu/packages/glib.scm2
-rw-r--r--gnu/packages/gnupg.scm2
-rw-r--r--gnu/packages/gtk.scm4
-rw-r--r--gnu/packages/libevent.scm2
-rw-r--r--gnu/packages/netpbm.scm2
-rw-r--r--gnu/packages/oggvorbis.scm2
-rw-r--r--gnu/packages/python.scm195
-rw-r--r--gnu/packages/qemu.scm2
-rw-r--r--gnu/packages/samba.scm2
-rw-r--r--gnu/packages/texlive.scm4
-rw-r--r--gnu/packages/version-control.scm8
-rw-r--r--gnu/packages/xml.scm4
-rw-r--r--gnu/packages/xorg.scm8
-rw-r--r--gnu/packages/yasm.scm2
-rw-r--r--gnu/packages/zip.scm3
-rw-r--r--guix/build-system/python.scm62
-rw-r--r--guix/build/python-build-system.scm71
20 files changed, 314 insertions, 67 deletions
diff --git a/gnu/packages/cryptsetup.scm b/gnu/packages/cryptsetup.scm
index c746e28721..8645e9e04a 100644
--- a/gnu/packages/cryptsetup.scm
+++ b/gnu/packages/cryptsetup.scm
@@ -45,7 +45,7 @@
     `(("libgcrypt" ,libgcrypt)
       ("lvm2" ,lvm2)
       ("popt" ,popt)
-      ("python" ,python)
+      ("python" ,python-wrapper)
       ("util-linux" ,util-linux)))
    (synopsis "hard disk encryption tool")
    (description
diff --git a/gnu/packages/gdb.scm b/gnu/packages/gdb.scm
index 4cf6b90cc3..5190283895 100644
--- a/gnu/packages/gdb.scm
+++ b/gnu/packages/gdb.scm
@@ -53,7 +53,7 @@
        ("gmp" ,gmp)
        ("readline" ,readline)
        ("ncurses" ,ncurses)
-       ("python" ,python)
+       ("python" ,python-wrapper)
        ("texinfo" ,texinfo)
        ("dejagnu" ,dejagnu)))
     (home-page "http://www.gnu.org/software/gdb/")
diff --git a/gnu/packages/ghostscript.scm b/gnu/packages/ghostscript.scm
index dd6c576cdf..7df1f6c17e 100644
--- a/gnu/packages/ghostscript.scm
+++ b/gnu/packages/ghostscript.scm
@@ -136,7 +136,7 @@ printing, and psresize, for adjusting page sizes.")
              ("libtiff" ,libtiff)
              ("perl" ,perl)
              ("pkg-config" ,pkg-config) ; needed to find libtiff
-             ("python" ,python)
+             ("python" ,python-wrapper)
              ("tcl" ,tcl)
              ("zlib" ,zlib)))
    (arguments
diff --git a/gnu/packages/glib.scm b/gnu/packages/glib.scm
index dd4c036e4b..da15d404dd 100644
--- a/gnu/packages/glib.scm
+++ b/gnu/packages/glib.scm
@@ -104,7 +104,7 @@ shared NFS home directories.")
       ("gettext" ,guix:gettext)
       ("libffi" ,libffi)
       ("pkg-config" ,pkg-config)
-      ("python" ,python)
+      ("python" ,python-wrapper)
       ("zlib" ,zlib)
       ("perl" ,perl)                              ; needed by GIO tests
       ("dbus" ,dbus)                              ; for GDBus tests
diff --git a/gnu/packages/gnupg.scm b/gnu/packages/gnupg.scm
index 604ebc2941..7c0f50900a 100644
--- a/gnu/packages/gnupg.scm
+++ b/gnu/packages/gnupg.scm
@@ -191,7 +191,7 @@ S/MIME.")
                      "1g1jly3wl4ks6h8ydkygyl2c4i7v3z91rg42005m6vm70y1d8b3d"))))
    (build-system gnu-build-system)
    (inputs `(("perl" ,perl)
-             ("python" ,python)
+             ("python" ,python-wrapper)
              ("gpg" ,gnupg)))
    (arguments
     `(#:tests? #f
diff --git a/gnu/packages/gtk.scm b/gnu/packages/gtk.scm
index 742cbf172e..e72f7c5acc 100644
--- a/gnu/packages/gtk.scm
+++ b/gnu/packages/gtk.scm
@@ -83,7 +83,7 @@ tools have full access to view and control running applications.")
       ("libspectre" ,libspectre)
       ("pkg-config" ,pkg-config)
       ("poppler" ,poppler)
-      ("python" ,python)
+      ("python" ,python-wrapper)
       ("xextproto" ,xextproto)
       ("zlib" ,zlib)))
     (arguments
@@ -123,7 +123,7 @@ affine transformation (scale, rotation, shear, etc.)")
     `(("cairo" ,cairo)
       ("icu4c" ,icu4c)
       ("pkg-config" ,pkg-config)
-      ("python" ,python)))
+      ("python" ,python-wrapper)))
    (synopsis "opentype text shaping engine")
    (description
     "HarfBuzz is an OpenType text shaping engine.")
diff --git a/gnu/packages/libevent.scm b/gnu/packages/libevent.scm
index ccca427fc4..8f2d5dad46 100644
--- a/gnu/packages/libevent.scm
+++ b/gnu/packages/libevent.scm
@@ -44,7 +44,7 @@
 
        ;; Dependencies used for the tests and for `event_rpcgen.py'.
        ("which" ,which)
-       ("python" ,python)))
+       ("python" ,python-wrapper)))
     (arguments
      '(#:patches (list (assoc-ref %build-inputs "patch/dns-tests"))))
     (home-page "http://libevent.org/")
diff --git a/gnu/packages/netpbm.scm b/gnu/packages/netpbm.scm
index d2213b8f0d..c8d3603701 100644
--- a/gnu/packages/netpbm.scm
+++ b/gnu/packages/netpbm.scm
@@ -57,7 +57,7 @@
              ("libxml2" ,libxml2)
              ("perl" ,perl)
              ("pkg-config" ,pkg-config)
-             ("python" ,python)
+             ("python" ,python-wrapper)
              ("zlib" ,zlib)))
    (arguments
     `(#:phases
diff --git a/gnu/packages/oggvorbis.scm b/gnu/packages/oggvorbis.scm
index 2aa606ca22..589828be0a 100644
--- a/gnu/packages/oggvorbis.scm
+++ b/gnu/packages/oggvorbis.scm
@@ -191,7 +191,7 @@ meaning that audio is compressed in FLAC without any loss in quality.")
              ("libogg" ,libogg)
              ("libpng" ,libpng)
              ("pkg-config" ,pkg-config)
-             ("python" ,python)
+             ("python" ,python-wrapper)
              ("zlib" ,zlib)))
    (synopsis "kate, a karaoke and text codec for embedding in ogg")
    (description
diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index 493068adde..be33bf6570 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -19,19 +19,24 @@
 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
 
 (define-module (gnu packages python)
-  #:use-module ((guix licenses) #:select (bsd-3 psfl x11))
+  #:use-module ((guix licenses) #:select (bsd-3 bsd-style psfl x11))
+  #:use-module ((guix licenses) #:select (zlib)
+                                #:renamer (symbol-prefix-proc 'license))
   #:use-module (gnu packages)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages gdbm)
   #:use-module (gnu packages readline)
   #:use-module (gnu packages openssl)
   #:use-module (gnu packages patchelf)
+  #:use-module (gnu packages sqlite)
   #:use-module (guix packages)
   #:use-module (guix download)
+  #:use-module (guix utils)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system python))
+  #:use-module (guix build-system python)
+  #:use-module (guix build-system trivial))
 
-(define-public python
+(define-public python-2
   (package
     (name "python")
     (version "2.7.5")
@@ -151,8 +156,8 @@ packages; exception-based error handling; and very high level dynamic
 data types.")
     (license psfl)))
 
-(define-public python-3
-  (package (inherit python)
+(define-public python
+  (package (inherit python-2)
     (version "3.3.2")
     (source
      (origin
@@ -167,9 +172,34 @@ data types.")
             (variable "PYTHONPATH")
             (directories '("lib/python3.3/site-packages")))))))
 
-(define-public pytz
+(define-public python-wrapper
+  (package (inherit python)
+    (name "python-wrapper")
+    (source #f)
+    (build-system trivial-build-system)
+    (inputs `(("python" ,python)))
+    (arguments
+     `(#:modules ((guix build utils))
+       #:builder
+         (begin
+           (use-modules (guix build utils))
+           (let ((bin (string-append (assoc-ref %outputs "out") "/bin"))
+                 (python (string-append (assoc-ref %build-inputs "python") "/bin/")))
+                (mkdir-p bin)
+                (for-each
+                  (lambda (old new)
+                    (symlink (string-append python old)
+                             (string-append bin "/" new)))
+                  `("python3", "pydoc3", "idle3")
+                  `("python",  "pydoc",  "idle"))))))
+    (description (string-append (package-description python)
+     "\n\nThis wrapper package provides symbolic links to the python binaries
+      without version suffix."))))
+
+
+(define-public python-pytz
   (package
-    (name "pytz")
+    (name "python-pytz")
     (version "2013b")
     (source
      (origin
@@ -180,6 +210,7 @@ data types.")
        (base32
         "19giwgfcrg0nr1gdv49qnmf2jb2ilkcfc7qyqvfpz4dp0p64ksv5"))))
     (build-system python-build-system)
+    (arguments `(#:tests? #f)) ; no test target
     (home-page "https://launchpad.net/pytz")
     (synopsis "The Python timezone library.")
     (description
@@ -187,22 +218,28 @@ data types.")
 using Python 2.4 or higher and provides access to the Olson timezone database.")
     (license x11)))
 
-(define-public babel
+(define-public python2-pytz
+  (package-with-python2 python-pytz))
+
+
+(define-public python-babel
   (package
-    (name "babel")
-    (version "0.9.6")
+    (name "python-babel")
+    (version "1.3")
     (source
      (origin
       (method url-fetch)
-      (uri (string-append "http://ftp.edgewall.com/pub/babel/Babel-"
+      (uri (string-append "https://pypi.python.org/packages/source/B/Babel/Babel-"
                           version ".tar.gz"))
       (sha256
        (base32
-        "03vmr54jq5vf3qw6kpdv7cdk7x7i2jhzyf1mawv2gk8zrxg0hfja"))))
+        "0bnin777lc53nxd1hp3apq410jj5wx92n08h7h4izpl4f4sx00lz"))))
     (build-system python-build-system)
     (inputs
-     `(("pytz" ,pytz)))
-    (home-page "http://babel.edgewall.org/")
+     `(("python-pytz" ,python-pytz)
+       ("python-setuptools" ,python-setuptools)))
+    (arguments `(#:tests? #f)) ; no test target
+    (home-page "http://babel.pocoo.org/")
     (synopsis
      "Tools for internationalizing Python applications")
     (description
@@ -212,3 +249,133 @@ using Python 2.4 or higher and provides access to the Olson timezone database.")
 access to various locale display names, localized number and date formatting,
 etc. ")
     (license bsd-3)))
+
+(define-public python2-babel
+  (package-with-python2 python-babel))
+
+
+(define-public python-setuptools
+  (package
+    (name "python-setuptools")
+    (version "1.1.4")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "https://pypi.python.org/packages/source/s/setuptools/setuptools-"
+                          version ".tar.gz"))
+      (sha256
+       (base32
+        "0hl9sa5xr9bi2ifq51wy1bawsjv5nzvpbac7m9z1ciz778874csf"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:tests? #f))
+         ;;FIXME: test_sdist_with_utf8_encoded_filename fails in
+         ;; /tmp/nix-build-python2-setuptools-1.1.4.drv-0/setuptools-1.1.4/setuptools/tests/test_sdist.py"
+         ;; line 354
+         ;; The tests pass with Python 2.7.5.
+    (home-page "https://pypi.python.org/pypi/setuptools")
+    (synopsis
+     "Library designed to facilitate packaging Python projects")
+    (description
+     "Setuptools is a fully-featured, stable library designed to facilitate
+packaging Python projects, where packaging includes:
+Python package and module definitions,
+distribution package metadata,
+test hooks,
+project installation,
+platform-specific details,
+Python 3 support.")
+    (license psfl)))
+
+(define-public python2-setuptools
+  (package-with-python2 python-setuptools))
+
+
+(define-public python-dateutil
+  (package
+    (name "python-dateutil")
+    (version "1.5") ; last version for python < 3
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "http://labix.org/download/python-dateutil/python-dateutil-"
+                          version ".tar.gz"))
+      (sha256
+       (base32
+        "0fqfglhy5khbvsipr3x7m6bcaqljh8xl5cw33vbfxy7qhmywm2n0"))))
+    (build-system python-build-system)
+    (inputs
+     `(("python-setuptools" ,python-setuptools)))
+    (home-page "http://labix.org/python-dateutil")
+    (synopsis
+     "Extensions to the standard datetime module, available in Python 2.3+")
+    (description
+     "The dateutil module provides powerful extensions to the standard
+datetime module, available in Python 2.3+.")
+    (license psfl)))
+
+(define-public python2-dateutil
+  (package-with-python2 python-dateutil))
+
+
+(define-public python2-pysqlite
+  (package
+    (name "python2-pysqlite")
+    (version "2.6.3")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "http://pysqlite.googlecode.com/files/pysqlite-"
+                          version ".tar.gz"))
+      (sha256
+       (base32
+        "0nsqqfp072rgqbls100rdvbzkjkin7li3kprhfxlfqvzf608hlqd"))))
+    (build-system python-build-system)
+    (inputs
+     `(("sqlite" ,sqlite)))
+    (arguments
+     `(#:python ,python-2 ; incompatible with Python 3
+       #:tests? #f)) ; no test target
+    (home-page "http://labix.org/python-dateutil")
+    (synopsis
+     "SQLite bindings for Python.")
+    (description
+     "Pysqlite provides SQLite bindings for Python that comply to the
+Database API 2.0T.")
+    (license zlib)))
+
+
+(define-public python2-mechanize
+  (package
+    (name "python2-mechanize")
+    (version "0.2.5")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "https://pypi.python.org/packages/source/m/mechanize/mechanize-"
+                          version ".tar.gz"))
+      (sha256
+       (base32
+        "0rj7r166i1dyrq0ihm5rijfmvhs8a04im28lv05c0c3v206v4rrf"))))
+    (build-system python-build-system)
+    (inputs
+     `(("python2-setuptools" ,python2-setuptools)))
+    (arguments
+     `(#:python ,python-2 ; apparently incompatible with Python 3
+       #:tests? #f))
+         ;; test fails with message
+         ;; AttributeError: 'module' object has no attribute 'test_pullparser'
+         ;; (python-3.3.2) or
+         ;; AttributeError: 'module' object has no attribute 'test_urllib2_localnet'
+         ;; (python-2.7.5).
+         ;; The source code is from March 2011 and probably not up-to-date
+         ;; with respect to python unit tests.
+    (home-page "http://wwwsearch.sourceforge.net/mechanize/")
+    (synopsis
+     "Stateful programmatic web browsing in Python")
+    (description
+     "Mechanize implements stateful programmatic web browsing in Python,
+after Andy Lester’s Perl module WWW::Mechanize.")
+    (license (bsd-style "file://COPYING"
+                        "See COPYING in the distribution."))))
+
diff --git a/gnu/packages/qemu.scm b/gnu/packages/qemu.scm
index 9c9355c4d6..6330fabcf9 100644
--- a/gnu/packages/qemu.scm
+++ b/gnu/packages/qemu.scm
@@ -94,7 +94,7 @@
      `(;; ("mesa" ,mesa)
        ;; ("libaio" ,libaio)
        ("glib" ,glib)
-       ("python" ,python)
+       ("python" ,python-2) ; incompatible with Python 3 according to error message
        ("ncurses" ,ncurses)
        ("libpng" ,libpng)
        ("libjpeg" ,libjpeg-8)
diff --git a/gnu/packages/samba.scm b/gnu/packages/samba.scm
index b016442908..e0199bce90 100644
--- a/gnu/packages/samba.scm
+++ b/gnu/packages/samba.scm
@@ -150,7 +150,7 @@ anywhere.")
        ("patchelf" ,patchelf)))                   ; for (guix build rpath)
     (native-inputs                                ; for the test suite
      `(("perl" ,perl)
-       ("python" ,python)))
+       ("python" ,python-wrapper)))
     (home-page "http://www.samba.org/")
     (synopsis
      "The standard Windows interoperability suite of programs for GNU and Unix")
diff --git a/gnu/packages/texlive.scm b/gnu/packages/texlive.scm
index a0d57444e3..7c6f82b9c9 100644
--- a/gnu/packages/texlive.scm
+++ b/gnu/packages/texlive.scm
@@ -81,7 +81,7 @@
              ("pkg-config" ,pkg-config)
              ;; FIXME: Add interpreters fontforge and ruby,
              ;; once they are available.
-             ("python" ,python)
+             ("python" ,python-2) ; incompatible with Python 3 (print syntax)
              ("tcsh" ,tcsh)
              ("teckit" ,teckit)
              ("t1lib" ,t1lib)
@@ -202,7 +202,7 @@ world.")
     (build-system gnu-build-system)
     (arguments '(#:tests? #f))                    ; no `check' target
     (inputs `(("texinfo" ,texinfo)
-              ("python" ,python)
+              ("python" ,python-2) ; incompatible with Python 3 (print syntax)
               ("which" ,which)))
     (home-page "https://launchpad.net/rubber")
     (synopsis "Rubber, a wrapper for LaTeX and friends")
diff --git a/gnu/packages/version-control.scm b/gnu/packages/version-control.scm
index 14404f0bfe..42b5d5fe99 100644
--- a/gnu/packages/version-control.scm
+++ b/gnu/packages/version-control.scm
@@ -58,7 +58,9 @@
      ;; require Zsh.
      `(("gettext" ,guix:gettext)))
     (arguments
-     `(#:tests? #f)) ; no test target
+     `(#:tests? #f ; no test target
+       #:python ,python-2)) ; Python 3 apparently not yet supported, see
+                            ; https://answers.launchpad.net/bzr/+question/229048
     (home-page "https://gnu.org/software/bazaar")
     (synopsis "Decentralized revision control system")
     (description
@@ -86,7 +88,7 @@ from a command line or use a GUI application.")
       ("gettext" ,guix:gettext)
       ("openssl" ,openssl)
       ("perl" ,perl)
-      ("python" ,python) ; CAVEAT: incompatible with python-3 according to INSTALL
+      ("python" ,python-2) ; CAVEAT: incompatible with python-3 according to INSTALL
       ("zlib" ,zlib)))
    (arguments
     `(#:make-flags `("V=1") ; more verbose compilation
@@ -126,7 +128,7 @@ everything from small to very large projects with speed and efficiency.")
       `(("apr" ,apr)
         ("apr-util" ,apr-util)
         ("perl" ,perl)
-        ("python" ,python)
+        ("python" ,python-2) ; incompatible with Python 3 (print syntax)
         ("sqlite" ,sqlite)
         ("zlib" ,zlib)))
     (home-page "http://subversion.apache.org/")
diff --git a/gnu/packages/xml.scm b/gnu/packages/xml.scm
index 2f9d64b81a..28c99b1f8c 100644
--- a/gnu/packages/xml.scm
+++ b/gnu/packages/xml.scm
@@ -66,7 +66,7 @@ things the parser might find in the XML document (like start tags).")
     (home-page "http://www.xmlsoft.org/")
     (synopsis "libxml2, a C parser for XML")
     (inputs `(("perl" ,perl)
-              ("python" ,python)
+              ("python" ,python-2) ; incompatible with Python 3 (print syntax)
               ("zlib" ,zlib)))
     (arguments
      `(#:phases
@@ -102,7 +102,7 @@ things the parser might find in the XML document (like start tags).")
     (synopsis "libxslt, a C library for applying XSLT stylesheets to XML documents")
     (inputs `(("libgcrypt" ,libgcrypt)
               ("libxml2" ,libxml2)
-              ("python" ,python)
+              ("python" ,python-wrapper)
               ("zlib" ,zlib)))
     (description
      "Libxslt is an XSLT C library developed for the GNOME project. It is
diff --git a/gnu/packages/xorg.scm b/gnu/packages/xorg.scm
index 98f104b0b6..9a0e3e274b 100644
--- a/gnu/packages/xorg.scm
+++ b/gnu/packages/xorg.scm
@@ -1857,7 +1857,7 @@ tracking.")
             "0ds4qg6slidrzyz6q9ckq0a19hn6blzpnvciy4brh741gn49jpdd"))))
     (build-system gnu-build-system)
     (inputs
-      `(("pkg-config" ,pkg-config) ("python" ,python)))
+      `(("pkg-config" ,pkg-config) ("python" ,python-wrapper)))
     (home-page "http://www.x.org/wiki/")
     (synopsis "xorg implementation of the X Window System")
     (description "X.org provides an implementation of the X Window System")
@@ -4169,7 +4169,7 @@ tracking.")
         ("libxml2" ,libxml2)
         ("makedepend" ,makedepend)
         ("pkg-config" ,pkg-config)
-        ("python" ,python)))
+        ("python" ,python-2))) ; incompatible with Python 3 (print syntax)
     (arguments
       `(#:configure-flags
          `("--with-gallium-drivers=r600,svga,swrast") ; drop r300 from the default list as it requires llvm
@@ -4215,7 +4215,7 @@ emulation to complete hardware acceleration for modern GPUs.")
       `(("xcb-proto" ,xcb-proto)
         ("libxslt" ,libxslt)
         ("pkg-config" ,pkg-config)
-        ("python" ,python)))
+        ("python" ,python-wrapper)))
     (home-page "http://www.x.org/wiki/")
     (synopsis "xorg implementation of the X Window System")
     (description "X.org provides an implementation of the X Window System")
@@ -4270,7 +4270,7 @@ emulation to complete hardware acceleration for modern GPUs.")
         ("mesa" ,mesa)
         ("openssl" ,openssl)
         ("pkg-config" ,pkg-config)
-        ("python" ,python)
+        ("python" ,python-wrapper)
         ("recordproto" ,recordproto)
         ("resourceproto" ,resourceproto)
         ("scrnsaverproto" ,scrnsaverproto)
diff --git a/gnu/packages/yasm.scm b/gnu/packages/yasm.scm
index 51cd3ed0a5..a990d08174 100644
--- a/gnu/packages/yasm.scm
+++ b/gnu/packages/yasm.scm
@@ -40,7 +40,7 @@
         "0cfg7ji3ia2in628w42wrfvw2ixmmm4rghwmv2k202mraysgm3vn"))))
     (build-system gnu-build-system)
     (inputs
-     `(("python" ,python)
+     `(("python" ,python-wrapper)
        ("xmlto" ,xmlto)))
     (home-page "http://yasm.tortall.net/")
     (synopsis "Rewrite of the NASM assembler")
diff --git a/gnu/packages/zip.scm b/gnu/packages/zip.scm
index 934acdc316..f505d053c6 100644
--- a/gnu/packages/zip.scm
+++ b/gnu/packages/zip.scm
@@ -120,7 +120,8 @@ UnZip recreates the stored directory structure by default.")
     (build-system gnu-build-system)
     (inputs `(("perl" ,perl)     ; for the documentation
               ("pkg-config" ,pkg-config)
-              ("python" ,python) ; for the documentation
+              ("python" ,python-2) ; for the documentation; Python 3 not supported,
+                ; http://forums.gentoo.org/viewtopic-t-863161-start-0.html
               ("zip" ,zip) ; to create test files
               ("zlib" ,zlib)))
     (arguments
diff --git a/guix/build-system/python.scm b/guix/build-system/python.scm
index b60adb182f..03e587ba01 100644
--- a/guix/build-system/python.scm
+++ b/guix/build-system/python.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013 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.
@@ -25,7 +26,9 @@
   #:use-module (guix build-system)
   #:use-module (guix build-system gnu)
   #:use-module (ice-9 match)
-  #:export (python-build
+  #:use-module (srfi srfi-26)
+  #:export (package-with-python2
+            python-build
             python-build-system))
 
 ;; Commentary:
@@ -39,13 +42,60 @@
   "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)))
+    (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 string (e.g., for patches), 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* (python-build store name source inputs
                        #:key
                        (python (default-python))
-                       (python-version
-                        (string-take (package-version (default-python)) 3))
                        (tests? #t)
                        (configure-flags ''())
                        (phases '(@ (guix build python-build-system)
@@ -58,10 +108,10 @@
                                            (guix build gnu-build-system)
                                            (guix build utils)))
                        (modules '((guix build python-build-system)
-                                  (guix build gnu-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 python-search-paths
     (append (package-native-search-paths python)
             (standard-search-paths)))
@@ -77,8 +127,8 @@ provides a 'setup.py' file as its build system."
                      #:system ,system
                      #:test-target "test"
                      #:tests? ,tests?
+                     #:phases ,phases
                      #:outputs %outputs
-                     #:python-version ,python-version
                      #:search-paths ',(map search-path-specification->sexp
                                            (append python-search-paths
                                                    search-paths))
diff --git a/guix/build/python-build-system.scm b/guix/build/python-build-system.scm
index 84299798b0..0bb8c4d49d 100644
--- a/guix/build/python-build-system.scm
+++ b/guix/build/python-build-system.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013 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.
@@ -34,26 +35,49 @@
 ;;
 ;; Code:
 
-(define* (install #:key outputs (configure-flags '())
-                  #:allow-other-keys)
-  "Install a given Python package."
-  (let ((out (assoc-ref outputs "out")))
-    (if (file-exists? "setup.py")
-        (let ((args `("setup.py" "install" ,(string-append "--prefix=" out)
-                      ,@configure-flags)))
-          (format #t "running 'python' with arguments ~s~%" args)
-          (zero? (apply system* "python" args)))
-        (error "no setup.py found"))))
 
-(define* (check #:key outputs #:allow-other-keys)
-  "Run the test suite of a given Python package."
+(define (call-setuppy command params)
   (if (file-exists? "setup.py")
-      (let ((args `("setup.py" "check")))
-        (format #t "running 'python' with arguments ~s~%" args)
-        (zero? (apply system* "python" args)))
+      (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* (wrap #:key outputs python-version #:allow-other-keys)
+(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)
+  (string-take (string-take-right python 5) 3))
+
+(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)))
+
+(define* (wrap #:key inputs outputs #:allow-other-keys)
   (define (list-of-files dir)
     (map (cut string-append dir "/" <>)
          (or (scandir dir (lambda (f)
@@ -69,9 +93,11 @@
                 outputs))
 
   (let* ((out  (assoc-ref outputs "out"))
+         (python (assoc-ref inputs "python"))
          (var `("PYTHONPATH" prefix
                 ,(cons (string-append out "/lib/python"
-                                      python-version "/site-packages")
+                                      (get-python-version python)
+                                      "/site-packages")
                        (search-path-as-string->list
                         (or (getenv "PYTHONPATH") ""))))))
     (for-each (lambda (dir)
@@ -87,11 +113,12 @@
    'install 'wrap
    wrap
    (alist-replace
-    'check check
-    (alist-replace 'install install
-                   (alist-delete 'configure
-                                (alist-delete 'build
-                                              gnu:%standard-phases))))))
+    'build build
+    (alist-replace
+     'check check
+     (alist-replace 'install install
+                    (alist-delete 'configure
+                                               gnu:%standard-phases))))))
 
 (define* (python-build #:key inputs (phases %standard-phases)
                        #:allow-other-keys #:rest args)
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-29 21:08:20 +0000