merge with python-modules

var/spack/packages/cloog/package.py

@@ -0,0 +1,26 @@
+from spack import *
+
+class Cloog(Package):
+    """CLooG is a free software and library to generate code for
+    scanning Z-polyhedra. That is, it finds a code (e.g. in C,
+    FORTRAN...) that reaches each integral point of one or more
+    parameterized polyhedra."""
+
+    homepage = "http://www.cloog.org"
+    url      = "http://www.bastoul.net/cloog/pages/download/count.php3?url=./cloog-0.18.1.tar.gz"
+    list_url = "http://www.bastoul.net/cloog/pages/download"
+
+    version('0.18.1', 'e34fca0540d840e5d0f6427e98c92252')
+    version('0.18.0', 'be78a47bd82523250eb3e91646db5b3d')
+    version('0.17.0', '0aa3302c81f65ca62c114e5264f8a802')
+
+    depends_on("gmp")
+    depends_on("isl")
+
+    def install(self, spec, prefix):
+        configure("--prefix=%s" % prefix,
+                  "--with-osl=no",
+                  "--with-isl=%s" % spec['isl'].prefix,
+                  "--with-gmp=%s" % spec['gmp'].prefix)
+        make()
+        make("install")

var/spack/packages/gcc/package.py

@@ -32,29 +32,46 @@ class Gcc(Package):
        Objective-C, Fortran, and Java."""
     homepage = "https://gcc.gnu.org"
 
+    url = "http://open-source-box.org/gcc/gcc-4.9.2/gcc-4.9.2.tar.bz2"
     list_url = 'http://open-source-box.org/gcc/'
     list_depth = 2
 
-    version('4.9.2', '4df8ee253b7f3863ad0b86359cd39c43',
-            url="http://open-source-box.org/gcc/gcc-4.9.2/gcc-4.9.2.tar.bz2")
-    version('4.9.1', 'fddf71348546af523353bd43d34919c1',
-            url="http://open-source-box.org/gcc/gcc-4.9.1/gcc-4.9.1.tar.bz2")
+    version('4.9.2', '4df8ee253b7f3863ad0b86359cd39c43')
+    version('4.9.1', 'fddf71348546af523353bd43d34919c1')
+    version('4.8.4', '5a84a30839b2aca22a2d723de2a626ec')
+    version('4.7.4', '4c696da46297de6ae77a82797d2abe28')
+    version('4.6.4', 'b407a3d1480c11667f293bfb1f17d1a4')
+    version('4.5.4', '27e459c2566b8209ab064570e1b378f7')
 
-    depends_on("mpc")
     depends_on("mpfr")
     depends_on("gmp")
+    depends_on("mpc")     # when @4.5:
     depends_on("libelf")
 
+    # Save these until we can do optional deps.
+    #depends_on("isl")
+    #depends_on("ppl")
+    #depends_on("cloog")
 
     def install(self, spec, prefix):
         # libjava/configure needs a minor fix to install into spack paths.
         filter_file(r"'@.*@'", "'@[[:alnum:]]*@'", 'libjava/configure', string=True)
 
+        enabled_languages = set(('c', 'c++', 'fortran', 'java', 'objc'))
+        if spec.satisfies("@4.7.1:"):
+            enabled_languages.add('go')
+
         # Rest of install is straightforward.
         configure("--prefix=%s" % prefix,
                   "--libdir=%s/lib64" % prefix,
                   "--disable-multilib",
-                  "--enable-languages=c,c++,fortran,java,objc,go",
+                  "--enable-languages=" + ','.join(enabled_languages),
+                  "--with-mpc=%s"    % spec['mpc'].prefix,
+                  "--with-mpfr=%s"   % spec['mpfr'].prefix,
+                  "--with-gmp=%s"    % spec['gmp'].prefix,
+                  "--with-libelf=%s" % spec['libelf'].prefix,
+                  "--with-stage1-ldflags=%s" % self.rpath_args,
+                  "--with-boot-ldflags=%s"   % self.rpath_args,
                   "--enable-lto",
                   "--with-quad")
         make()

var/spack/packages/hdf5/package.py

@@ -18,12 +18,14 @@ class Hdf5(Package):
 
     # TODO: currently hard-coded to use OpenMPI
     def install(self, spec, prefix):
+
         configure(
             "--prefix=%s" % prefix,
             "--with-zlib=%s" % spec['zlib'].prefix,
             "--enable-parallel",
-            "CC=%s" % spec['openmpi'].prefix.bin + "/mpicc",
-            "CXX=%s" % spec['openmpi'].prefix.bin + "/mpic++")
+            "--enable-shared",
+            "CC=%s" % spec['mpich'].prefix.bin + "/mpicc",
+            "CXX=%s" % spec['mpich'].prefix.bin + "/mpic++")
 
         make()
         make("install")

var/spack/packages/isl/package.py

@@ -0,0 +1,17 @@
+from spack import *
+
+class Isl(Package):
+    """isl is a thread-safe C library for manipulating sets and
+    relations of integer points bounded by affine constraints."""
+    homepage = "http://isl.gforge.inria.fr"
+    url      = "http://isl.gforge.inria.fr/isl-0.14.tar.bz2"
+
+    version('0.14', 'acd347243fca5609e3df37dba47fd0bb')
+
+    depends_on("gmp")
+
+    def install(self, spec, prefix):
+        configure("--prefix=%s" % prefix,
+                  "--with-gmp-prefix=%s" % spec['gmp'].prefix)
+        make()
+        make("install")

var/spack/packages/ppl/package.py

@@ -0,0 +1,28 @@
+from spack import *
+
+class Ppl(Package):
+    """The Parma Polyhedra Library (PPL) provides numerical
+    abstractions especially targeted at applications in the field of
+    analysis and verification of complex systems. These abstractions
+    include convex polyhedra, some special classes of polyhedra shapes
+    that offer interesting complexity/precision tradeoffs, and grids
+    which represent regularly spaced points that satisfy a set of
+    linear congruence relations. The library also supports finite
+    powersets and products of polyhedra and grids, a mixed integer
+    linear programming problem solver using an exact-arithmetic
+    version of the simplex algorithm, a parametric integer programming
+    solver, and primitives for termination analysis via the automatic
+    synthesis of linear ranking functions."""
+
+    homepage = "http://bugseng.com/products/ppl/"
+    url      = "http://bugseng.com/products/ppl/download/ftp/releases/1.1/ppl-1.1.tar.gz"
+
+    version('1.1', '4f2422c0ef3f409707af32108deb30a7')
+
+    depends_on("gmp")
+
+    def install(self, spec, prefix):
+        configure("--prefix=%s" % prefix,
+                  "--with-gmp=%s" % spec['gmp'].prefix)
+        make()
+        make("install")

var/spack/packages/py-basemap/package.py

@@ -0,0 +1,25 @@
+from spack import *
+import os
+
+class PyBasemap(Package):
+    """The matplotlib basemap toolkit is a library for plotting 2D data on maps in Python."""
+    homepage = "http://matplotlib.org/basemap/"
+    url      = "https://downloads.sourceforge.net/project/matplotlib/matplotlib-toolkits/basemap-1.0.7/basemap-1.0.7.tar.gz"
+
+    version('1.0.7', '48c0557ced9e2c6e440b28b3caff2de8')
+
+    geos_version = {'1.0.7' : '3.3.3'}
+
+    extends('python')
+    depends_on('py-setuptools')
+    depends_on('py-numpy')
+    depends_on('py-matplotlib')
+    depends_on('py-pil')
+
+    def install(self, spec, prefix):
+        with working_dir('geos-%s' % self.geos_version[str(self.version)]):
+            configure("--prefix=" + prefix)
+            make()
+            make("install")
+        os.environ['GEOS_DIR'] = prefix
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-biopython/package.py

@@ -0,0 +1,14 @@
+from spack import *
+
+class PyBiopython(Package):
+    """It is a distributed collaborative effort to develop Python libraries and applications which address the needs of current and future work in bioinformatics."""
+    homepage = "http://biopython.org/wiki/Main_Page"
+    url      = "http://biopython.org/DIST/biopython-1.65.tar.gz"
+
+    version('1.65', '143e7861ade85c0a8b5e2bbdd1da1f67')
+
+    extends('python')
+    depends_on('py-mx')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-cython/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PyCython(Package):
+    """The Cython compiler for writing C extensions for the Python language."""
+    homepage = "https://pypi.python.org/pypi/cython"
+    url      = "https://pypi.python.org/packages/source/C/Cython/Cython-0.21.2.tar.gz"
+
+    version('0.21.2', 'd21adb870c75680dc857cd05d41046a4')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-dateutil/package.py

@@ -0,0 +1,14 @@
+from spack import *
+
+class PyDateutil(Package):
+    """Extensions to the standard Python datetime module."""
+    homepage = "https://pypi.python.org/pypi/dateutil"
+    url      = "https://pypi.python.org/packages/source/p/python-dateutil/python-dateutil-2.4.0.tar.gz"
+
+    version('2.4.0', '75714163bb96bedd07685cdb2071b8bc')
+
+    extends('python')
+    depends_on('py-setuptools')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-epydoc/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PyEpydoc(Package):
+    """Epydoc is a tool for generating API documentation documentation for Python modules, based on their docstrings."""
+    homepage = "https://pypi.python.org/pypi/epydoc"
+    url      = "https://pypi.python.org/packages/source/e/epydoc/epydoc-3.0.1.tar.gz"
+
+    version('3.0.1', '36407974bd5da2af00bf90ca27feeb44')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-gnuplot/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PyGnuplot(Package):
+    """Gnuplot.py is a Python package that allows you to create graphs from within Python using the gnuplot plotting program."""
+    homepage = "http://gnuplot-py.sourceforge.net/"
+    url      = "http://downloads.sourceforge.net/project/gnuplot-py/Gnuplot-py/1.8/gnuplot-py-1.8.tar.gz"
+
+    version('1.8', 'abd6f571e7aec68ae7db90a5217cd5b1')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-h5py/package.py

@@ -0,0 +1,18 @@
+from spack import *
+import re
+
+class PyH5py(Package):
+    """The h5py package provides both a high- and low-level interface to the HDF5 library from Python."""
+    homepage = "https://pypi.python.org/pypi/h5py"
+    url      = "https://pypi.python.org/packages/source/h/h5py/h5py-2.4.0.tar.gz"
+
+    version('2.4.0', '80c9a94ae31f84885cc2ebe1323d6758')
+
+    extends('python', ignore=lambda f: re.match(r'cy*', f))
+    depends_on('hdf5')
+    depends_on('py-numpy')
+    depends_on('py-cython')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'configure', '--hdf5=%s' % spec['hdf5'].prefix)
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-ipython/package.py

@@ -0,0 +1,14 @@
+from spack import *
+
+class PyIpython(Package):
+    """IPython provides a rich toolkit to help you make the most out of using Python interactively."""
+    homepage = "https://pypi.python.org/pypi/ipython"
+    url      = "https://pypi.python.org/packages/source/i/ipython/ipython-2.3.1.tar.gz"
+
+    version('2.3.1', '2b7085525dac11190bfb45bb8ec8dcbf')
+
+    extends('python')
+    depends_on('py-pygments')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-libxml2/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PyLibxml2(Package):
+    """A Python wrapper around libxml2."""
+    homepage = "https://xmlsoft.org/python.html"
+    url      = "ftp://xmlsoft.org/libxml2/python/libxml2-python-2.6.21.tar.gz"
+
+    version('2.6.21', '229dd2b3d110a77defeeaa73af83f7f3')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-matplotlib/package.py

@@ -0,0 +1,38 @@
+from spack import *
+import os
+
+class PyMatplotlib(Package):
+    """Python plotting package."""
+    homepage = "https://pypi.python.org/pypi/matplotlib"
+    url      = "https://pypi.python.org/packages/source/m/matplotlib/matplotlib-1.4.2.tar.gz"
+
+    version('1.4.2', '7d22efb6cce475025733c50487bd8898')
+
+    extends('python')
+    depends_on('py-pyside')
+    depends_on('py-ipython')
+    depends_on('py-pyparsing')
+    depends_on('py-six')
+    depends_on('py-dateutil')
+    depends_on('py-pytz')
+    depends_on('py-nose')
+    depends_on('py-numpy')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)
+        if str(self.version) == '1.4.2':
+            # hack to fix configuration file
+            config_file = None
+            for p,d,f in os.walk(prefix.lib):
+                for file in f:
+                    if file.find('matplotlibrc') != -1:
+                        config_file = join_path(p, 'matplotlibrc')
+                        print config_file
+            if config_file == None:
+                raise InstallError('could not find config file')
+            filter_file(r'backend      : pyside',
+                        'backend      : Qt4Agg',
+                        config_file)
+            filter_file(r'#backend.qt4 : PyQt4',
+                        'backend.qt4 : PySide',
+                        config_file)

var/spack/packages/py-mpi4py/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PyMpi4py(Package):
+    """This package provides Python bindings for the Message Passing Interface (MPI) standard. It is implemented on top of the MPI-1/MPI-2 specification and exposes an API which grounds on the standard MPI-2 C++ bindings."""
+    homepage = "https://pypi.python.org/pypi/mpi4py"
+    url      = "https://pypi.python.org/packages/source/m/mpi4py/mpi4py-1.3.1.tar.gz"
+
+    version('1.3.1', 'dbe9d22bdc8ed965c23a7ceb6f32fc3c')
+    extends('python')
+    depends_on('mpi')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-mx/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PyMx(Package):
+    """The eGenix.com mx Base Distribution for Python is a collection of professional quality software tools which enhance Python's usability in many important areas such as fast text searching, date/time processing and high speed data types."""
+    homepage = "http://www.egenix.com/products/python/mxBase/"
+    url      = "https://downloads.egenix.com/python/egenix-mx-base-3.2.8.tar.gz"
+
+    version('3.2.8', '9d9d3a25f9dc051a15e97f452413423b')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-nose/package.py

@@ -0,0 +1,15 @@
+from spack import *
+
+class PyNose(Package):
+    """nose extends the test loading and running features of unittest,
+    making it easier to write, find and run tests."""
+
+    homepage = "https://pypi.python.org/pypi/nose"
+    url      = "https://pypi.python.org/packages/source/n/nose/nose-1.3.4.tar.gz"
+
+    version('1.3.4', '6ed7169887580ddc9a8e16048d38274d')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-numpy/package.py

@@ -0,0 +1,14 @@
+from spack import *
+
+class PyNumpy(Package):
+    """array processing for numbers, strings, records, and objects."""
+    homepage = "https://pypi.python.org/pypi/numpy"
+    url      = "https://pypi.python.org/packages/source/n/numpy/numpy-1.9.1.tar.gz"
+
+    version('1.9.1', '78842b73560ec378142665e712ae4ad9')
+
+    extends('python')
+    depends_on('py-nose')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-pexpect/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PyPexpect(Package):
+    """Pexpect allows easy control of interactive console applications."""
+    homepage = "https://pypi.python.org/pypi/pexpect"
+    url      = "https://pypi.python.org/packages/source/p/pexpect/pexpect-3.3.tar.gz"
+
+    version('3.3', '0de72541d3f1374b795472fed841dce8')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-pil/package.py

@@ -0,0 +1,14 @@
+from spack import *
+
+class PyPil(Package):
+    """The Python Imaging Library (PIL) adds image processing capabilities to your Python interpreter. This library supports many file formats, and provides powerful image processing and graphics capabilities."""
+
+    homepage = "http://www.pythonware.com/products/pil/"
+    url      = "http://effbot.org/media/downloads/Imaging-1.1.7.tar.gz"
+
+    version('1.1.7', 'fc14a54e1ce02a0225be8854bfba478e')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-pmw/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PyPmw(Package):
+    """Pmw is a toolkit for building high-level compound widgets, or megawidgets, constructed using other widgets as component parts."""
+    homepage = "https://pypi.python.org/pypi/Pmw"
+    url      = "https://pypi.python.org/packages/source/P/Pmw/Pmw-2.0.0.tar.gz"
+
+    version('2.0.0', 'c7c3f26c4f5abaa99807edefee578fc0')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-pychecker/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PyPychecker(Package):
+    """"""
+    homepage = "http://pychecker.sourceforge.net/"
+    url      = "http://sourceforge.net/projects/pychecker/files/pychecker/0.8.19/pychecker-0.8.19.tar.gz"
+
+    version('0.8.19', 'c37182863dfb09209d6ba4f38fce9d2b')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-pygments/package.py

@@ -0,0 +1,14 @@
+from spack import *
+
+class PyPygments(Package):
+    """Pygments is a syntax highlighting package written in Python."""
+    homepage = "https://pypi.python.org/pypi/pygments"
+    url      = "https://pypi.python.org/packages/source/P/Pygments/Pygments-2.0.1.tar.gz"
+
+    version('2.0.1', 'e0daf4c14a4fe5b630da765904de4d6c')
+
+    extends('python')
+    depends_on('py-setuptools')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-pylint/package.py

@@ -0,0 +1,16 @@
+from spack import *
+import re
+
+class PyPylint(Package):
+    """array processing for numbers, strings, records, and objects."""
+    homepage = "https://pypi.python.org/pypi/pylint"
+    url      = "https://pypi.python.org/packages/source/p/pylint/pylint-1.4.1.tar.gz"
+
+    version('1.4.1', 'df7c679bdcce5019389038847e4de622')
+
+#    extends('python')
+    extends('python', ignore=lambda f:re.match(r"site.py*", f))
+    depends_on('py-nose')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-pyparsing/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PyPyparsing(Package):
+    """A Python Parsing Module."""
+    homepage = "https://pypi.python.org/pypi/pyparsing"
+    url      = "https://pypi.python.org/packages/source/p/pyparsing/pyparsing-2.0.3.tar.gz"
+
+    version('2.0.3', '0fe479be09fc2cf005f753d3acc35939')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-pyqt4/package.py

@@ -0,0 +1,18 @@
+from spack import *
+
+class PyPyqt4(Package):
+    """PyQt is a set of Python v2 and v3 bindings for Digia's Qt application framework and runs on all platforms supported by Qt including Windows, MacOS/X and Linux."""
+    homepage = "http://www.riverbankcomputing.com/software/pyqt/intro"
+    url      = "http://sourceforge.net/projects/pyqt/files/PyQt4/PyQt-4.11.3/PyQt-x11-gpl-4.11.3.tar.gz"
+
+    version('4.11.3', '997c3e443165a89a559e0d96b061bf70')
+
+    extends('python')
+    depends_on('qt')
+    depends_on('py-sip')
+
+    def install(self, spec, prefix):
+        version_array = str(spec['python'].version).split('.')
+        python('configure.py', '--confirm-license', '--destdir=%s/python%s.%s/site-packages' %(self.prefix.lib, version_array[0], version_array[1]))
+        make()
+        make('install')

var/spack/packages/py-pyside/package.py

@@ -0,0 +1,18 @@
+from spack import *
+import spack.package
+import os
+
+class PyPyside(Package):
+    """array processing for numbers, strings, records, and objects."""
+    homepage = "https://pypi.python.org/pypi/pyside"
+    url      = "https://pypi.python.org/packages/source/P/PySide/PySide-1.2.2.tar.gz"
+
+    version('1.2.2', 'c45bc400c8a86d6b35f34c29e379e44d')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        qmake_path = '/usr/lib64/qt4/bin/qmake'
+        if not os.path.exists(qmake_path):
+            raise spack.package.InstallError("Failed to find qmake in %s" % qmake_path)
+        python('setup.py', 'install', '--prefix=%s' % prefix, '--qmake=%s' % qmake_path)

var/spack/packages/py-pytz/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PyPytz(Package):
+    """World timezone definitions, modern and historical."""
+    homepage = "https://pypi.python.org/pypi/pytz"
+    url      = "https://pypi.python.org/packages/source/p/pytz/pytz-2014.10.tar.gz"
+
+    version('2014.10', 'eb1cb941a20c5b751352c52486aa1dd7')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-rpy2/package.py

@@ -0,0 +1,14 @@
+from spack import *
+
+class PyRpy2(Package):
+    """rpy2 is a redesign and rewrite of rpy. It is providing a low-level interface to R from Python, a proposed high-level interface, including wrappers to graphical libraries, as well as R-like structures and functions."""
+    homepage = "https://pypi.python.org/pypi/rpy2"
+    url      = "https://pypi.python.org/packages/source/r/rpy2/rpy2-2.5.4.tar.gz"
+
+    version('2.5.4', '115a20ac30883f096da2bdfcab55196d')
+
+    extends('python')
+    depends_on('py-setuptools')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-scientificpython/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PyScientificpython(Package):
+    """ScientificPython is a collection of Python modules for scientific computing. It contains support for geometry, mathematical functions, statistics, physical units, IO, visualization, and parallelization."""
+    homepage = "https://sourcesup.renater.fr/projects/scientific-py/"
+    url      = "https://sourcesup.renater.fr/frs/download.php/4411/ScientificPython-2.8.1.tar.gz"
+
+    version('2.8.1', '73ee0df19c7b58cdf2954261f0763c77')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-scikit-learn/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PyScikitLearn(Package):
+    """"""
+    homepage = "https://pypi.python.org/pypi/scikit-learn"
+    url      = "https://pypi.python.org/packages/source/s/scikit-learn/scikit-learn-0.15.2.tar.gz"
+
+    version('0.15.2', 'd9822ad0238e17b382a3c756ea94fe0d')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-scipy/package.py

@@ -0,0 +1,15 @@
+from spack import *
+
+class PyScipy(Package):
+    """Scientific Library for Python."""
+    homepage = "https://pypi.python.org/pypi/scipy"
+    url      = "https://pypi.python.org/packages/source/s/scipy/scipy-0.15.0.tar.gz"
+
+    version('0.15.0', '639112f077f0aeb6d80718dc5019dc7a')
+
+    extends('python')
+    depends_on('py-nose')
+    depends_on('py-numpy')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-setuptools/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PySetuptools(Package):
+    """Easily download, build, install, upgrade, and uninstall Python packages."""
+    homepage = "https://pypi.python.org/pypi/setuptools"
+    url      = "https://pypi.python.org/packages/source/s/setuptools/setuptools-11.3.tar.gz"
+
+    version('11.3.1', '01f69212e019a2420c1693fb43593930')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-sip/package.py

@@ -0,0 +1,15 @@
+from spack import *
+
+class PySip(Package):
+    """SIP is a tool that makes it very easy to create Python bindings for C and C++ libraries."""
+    homepage = "http://www.riverbankcomputing.com/software/sip/intro"
+    url      = "http://sourceforge.net/projects/pyqt/files/sip/sip-4.16.5/sip-4.16.5.tar.gz"
+
+    version('4.16.5', '6d01ea966a53e4c7ae5c5e48c40e49e5')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('configure.py')
+        make()
+        make('install')

var/spack/packages/py-six/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PySix(Package):
+    """Python 2 and 3 compatibility utilities."""
+    homepage = "https://pypi.python.org/pypi/six"
+    url      = "https://pypi.python.org/packages/source/s/six/six-1.9.0.tar.gz"
+
+    version('1.9.0', '476881ef4012262dfc8adc645ee786c4')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-sympy/package.py

@@ -0,0 +1,13 @@
+from spack import *
+
+class PySympy(Package):
+    """SymPy is a Python library for symbolic mathematics."""
+    homepage = "https://pypi.python.org/pypi/sympy"
+    url      = "https://pypi.python.org/packages/source/s/sympy/sympy-0.7.6.tar.gz"
+
+    version('0.7.6', '3d04753974306d8a13830008e17babca')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/py-virtualenv/package.py

@@ -0,0 +1,18 @@
+from spack import *
+import shutil
+
+class PyVirtualenv(Package):
+    """virtualenv is a tool to create isolated Python environments."""
+    homepage = "http://virtualenv.readthedocs.org/projects/virtualenv/"
+    url      = "https://pypi.python.org/packages/source/v/virtualenv/virtualenv-1.11.6.tar.gz"
+
+    version('1.11.6', 'f61cdd983d2c4e6aeabb70b1060d6f49')
+
+    extends('python')
+
+    def clean(self):
+        if os.path.exists('build'):
+            shutil.rmtree('build')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)

var/spack/packages/python/package.py

@@ -1,10 +1,17 @@
 from spack import *
+import spack
+import os
+import re
+from contextlib import closing
+
 
 class Python(Package):
     """The Python programming language."""
     homepage = "http://www.python.org"
     url      = "http://www.python.org/ftp/python/2.7.8/Python-2.7.8.tar.xz"
 
+    extendable = True
+
     version('2.7.8', 'd235bdfa75b8396942e360a70487ee00')
 
     depends_on("openssl")
@@ -23,3 +30,118 @@ def install(self, spec, prefix):
                   "--enable-shared")
         make()
         make("install")
+
+
+    # ========================================================================
+    # Set up environment to make install easy for python extensions.
+    # ========================================================================
+
+    @property
+    def python_lib_dir(self):
+        return os.path.join('lib', 'python%d.%d' % self.version[:2])
+
+
+    @property
+    def site_packages_dir(self):
+        return os.path.join(self.python_lib_dir, 'site-packages')
+
+
+    def setup_extension_environment(self, module, spec, ext_spec):
+        """Called before python modules' install() methods.
+
+        In most cases, extensions will only need to have one line::
+
+            python('setup.py', 'install', '--prefix=%s' % prefix)
+        """
+        # Python extension builds can have a global python executable function
+        module.python = Executable(join_path(spec.prefix.bin, 'python'))
+
+        # Add variables for lib/pythonX.Y and lib/pythonX.Y/site-packages dirs.
+        module.python_lib_dir = os.path.join(ext_spec.prefix, self.python_lib_dir)
+        module.site_packages_dir = os.path.join(ext_spec.prefix, self.site_packages_dir)
+
+        # Add site packages directory to the PYTHONPATH
+        os.environ['PYTHONPATH'] = module.site_packages_dir
+
+        # Make the site packages directory if it does not exist already.
+        mkdirp(module.site_packages_dir)
+
+
+    # ========================================================================
+    # Handle specifics of activating and deactivating python modules.
+    # ========================================================================
+
+    def python_ignore(self, ext_pkg, args):
+        """Add some ignore files to activate/deactivate args."""
+        orig_ignore = args.get('ignore', lambda f: False)
+
+        def ignore(filename):
+            # Always ignore easy-install.pth, as it needs to be merged.
+            patterns = [r'easy-install\.pth$']
+
+            # Ignore pieces of setuptools installed by other packages.
+            if ext_pkg.name != 'py-setuptools':
+                patterns.append(r'/site\.pyc?$')
+                patterns.append(r'setuptools\.pth')
+                patterns.append(r'bin/easy_install[^/]*$')
+                patterns.append(r'setuptools.*egg$')
+
+            return (any(re.search(p, filename) for p in patterns) or
+                    orig_ignore(filename))
+
+        return ignore
+
+
+    def write_easy_install_pth(self, extensions):
+        paths = []
+        for ext in extensions:
+            ext_site_packages = os.path.join(ext.prefix, self.site_packages_dir)
+            easy_pth = "%s/easy-install.pth" % ext_site_packages
+
+            if not os.path.isfile(easy_pth):
+                continue
+
+            with closing(open(easy_pth)) as f:
+                for line in f:
+                    line = line.rstrip()
+
+                    # Skip lines matching these criteria
+                    if not line: continue
+                    if re.search(r'^(import|#)', line): continue
+                    if (ext.name != 'py-setuptools' and
+                        re.search(r'setuptools.*egg$', line)): continue
+
+                    paths.append(line)
+
+        site_packages = os.path.join(self.prefix, self.site_packages_dir)
+        main_pth = "%s/easy-install.pth" % site_packages
+
+        if not paths:
+            if os.path.isfile(main_pth):
+                os.remove(main_pth)
+
+        else:
+            with closing(open(main_pth, 'w')) as f:
+                f.write("import sys; sys.__plen = len(sys.path)\n")
+                for path in paths:
+                    f.write("%s\n" % path)
+                f.write("import sys; new=sys.path[sys.__plen:]; del sys.path[sys.__plen:]; "
+                        "p=getattr(sys,'__egginsert',0); sys.path[p:p]=new; sys.__egginsert = p+len(new)\n")
+
+
+    def activate(self, ext_pkg, **args):
+        args.update(ignore=self.python_ignore(ext_pkg, args))
+        super(Python, self).activate(ext_pkg, **args)
+
+        extensions = set(spack.install_layout.get_extensions(self.spec))
+        extensions.add(ext_pkg.spec)
+        self.write_easy_install_pth(extensions)
+
+
+    def deactivate(self, ext_pkg, **args):
+        args.update(ignore=self.python_ignore(ext_pkg, args))
+        super(Python, self).deactivate(ext_pkg, **args)
+
+        extensions = set(spack.install_layout.get_extensions(self.spec))
+        extensions.remove(ext_pkg.spec)
+        self.write_easy_install_pth(extensions)

var/spack/packages/qt/package.py

@@ -45,46 +45,19 @@ def patch(self):
         filter_file(r'^QMAKE_CXX *=.*$',       'QMAKE_CXX = c++',     qmake_conf)
 
 
-    @property
-    def common_config_args(self):
-        return [
-            '-prefix', self.prefix,
-            '-v',
-            '-opensource',
-            "-release",
-            '-shared',
-            '-confirm-license',
-            '-openssl-linked',
-            '-dbus-linked',
-            '-optimized-qmake',
-            '-no-openvg',
-            '-no-pch',
-            # For now, disable all the database drivers
-            "-no-sql-db2", "-no-sql-ibase", "-no-sql-mysql", "-no-sql-oci", "-no-sql-odbc",
-            "-no-sql-psql", "-no-sql-sqlite", "-no-sql-sqlite2", "-no-sql-tds",
-            # NIS is deprecated in more recent glibc
-            "-no-nis"]
-
-
-    @when('@4')
-    def configure(self):
-        configure('-no-phonon',
-                  '-no-phonon-backend',
-                  '-fast',
-                  *self.common_config_args)
-
-
-    @when('@5')
-    def configure(self):
-        configure('-no-eglfs',
-                  '-no-directfb',
-                  '-qt-xcb',
-                  # If someone wants to get a webkit build working, be my guest!
-                  '-skip', 'qtwebkit',
-                  *self.common_config_args)
-
-
     def install(self, spec, prefix):
-        self.configure()
+        configure('-v',
+                  '-confirm-license',
+                  '-opensource',
+                  '-prefix', prefix,
+                  '-openssl-linked',
+                  '-dbus-linked',
+                  '-fast',
+                  '-optimized-qmake',
+                  '-no-pch',
+# phonon required for py-pyqt4
+#                  '-no-phonon',
+#                  '-no-phonon-backend',
+                  '-no-openvg')
         make()
         make("install")