Add Phonopy and PyYAML Python modules

var/spack/repos/builtin/packages/py-phonopy/package.py

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+from spack import *
+
+class PyPhonopy(Package):
+    """Phonopy is an open source package for phonon
+    calculations at harmonic and quasi-harmonic levels."""
+    homepage = "http://atztogo.github.io/phonopy/index.html"
+    url      = "http://sourceforge.net/projects/phonopy/files/phonopy/phonopy-1.10/phonopy-1.10.0.tar.gz"
+
+    version('1.10.0', '973ed1bcea46e21b9bf747aab9061ff6')
+
+    extends('python')
+    depends_on('py-numpy')
+    depends_on('py-scipy')
+    depends_on('py-matplotlib')
+    depends_on('py-pyyaml')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--home=%s' % prefix)

var/spack/repos/builtin/packages/py-pyyaml/package.py

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+from spack import *
+
+class PyPyyaml(Package):
+    """PyYAML is a YAML parser and emitter for Python."""
+    homepage = "http://pyyaml.org/wiki/PyYAML"
+    url      = "http://pyyaml.org/download/pyyaml/PyYAML-3.11.tar.gz"
+
+    version('3.11', 'f50e08ef0fe55178479d3a618efe21db')
+
+    extends('python')
+
+    def install(self, spec, prefix):
+        python('setup.py', 'install', '--prefix=%s' % prefix)