py-projectq: Added new package and fixed its dependency py-pybind11 (#8378)

* py-pybind11: Additionally install python extensions e.g. run python setup

* py-projectq: Added new package for quantum computing

* py-projectq: corrected typos

* edited flake8 incompatibilities

* additional flake8 faults

* changes according to suggestions

* flake8 errors fixed

* typo and missing environment variable set

* py-pybind11:added setup_environemt

* py-projectq:changed version according to request

* flake8 correction

* py-pybind11:changed to setup_py and removed noop

* py-projectq:removed dependency and changed type of py-pytest dependency

* py-pybind11: flake8 error corrected

* py-projectq: Small error correction

2 files changed, 69 insertions, 0 deletions

diff --git a/var/spack/repos/builtin/packages/py-projectq/package.py b/var/spack/repos/builtin/packages/py-projectq/package.py
new file mode 100644
index 0000000000..e6d300dc63
--- /dev/null
+++ b/var/spack/repos/builtin/packages/py-projectq/package.py
@@ -0,0 +1,60 @@
+##############################################################################
+# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/spack/spack
+# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program 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 terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class PyProjectq(PythonPackage):
+    """
+    ProjectQ is an open-source software framework for quantum computing started
+    at ETH Zurich. It allows users to implement their quantum programs in
+    Python using a powerful and intuitive syntax. ProjectQ can then translate
+    these programs to any type of back-end, be it a simulator run on a
+    classical computer of an actual quantum chip.
+    """
+
+    # URL and HOMEPAGE
+    homepage = "https://projectq.ch"
+    url      = "https://github.com/ProjectQ-Framework/ProjectQ/archive/v0.3.6.tar.gz"
+
+    # Provided python modules
+    import_modules = ['projectq', 'projectq.backends', 'projectq.cengines',
+                      'projectq.libs', 'projectq.meta', 'projectq.ops',
+                      'projectq.setups', 'projectq.types']
+
+    # Versions
+    version('develop', branch='develop',
+            git='https://github.com/projectq-framework/projectq.git')
+    version('0.3.6', commit='fa484fe037a3a1772127bbd00fe4628ddba34611',
+            git='https://github.com/projectq-framework/projectq.git')
+
+    # Dependencies
+    depends_on('py-setuptools', type=('build'))
+    depends_on('py-numpy', type=('build', 'run'))
+    depends_on('py-scipy', type=('build', 'run'))
+    depends_on('py-future', type=('build', 'run'))
+    depends_on('py-pytest@3.1.0:', type=('test'))
+    depends_on('py-requests', type=('build', 'run'))
+    # conflict with pybind11@2.2.0 -> see requirements.txt
+    depends_on('py-pybind11@1.7:2.1,2.2.1:', type=('build', 'run'))
diff --git a/var/spack/repos/builtin/packages/py-pybind11/package.py b/var/spack/repos/builtin/packages/py-pybind11/package.py
index 0c05694f50..69183be75c 100644
--- a/var/spack/repos/builtin/packages/py-pybind11/package.py
+++ b/var/spack/repos/builtin/packages/py-pybind11/package.py
@@ -47,6 +47,7 @@ class PyPybind11(CMakePackage):
     version('2.1.0', '3cf07043d677d200720c928569635e12')
 
     depends_on('py-pytest', type='test')
+    depends_on('py-setuptools', type='build') 
 
     extends('python')
 
@@ -64,3 +65,11 @@ class PyPybind11(CMakePackage):
                 'ON' if self.run_tests else 'OFF')
         ]
         return args
+
+    def setup_environment(self, spack_env, run_env):
+        spack_env.set('PYBIND11_USE_CMAKE', 1)
+
+    def install(self, spec, prefix):
+        super(PyPybind11, self).install(spec, prefix)
+        setup_py('install', '--single-version-externally-managed', '--root=/',
+                 '--prefix={0}'.format(prefix))