remove wildcards from make spack core and packages

- This removes all wildcard imports EXCEPT `from spack import *` in packages

var/spack/repos/builtin/packages/atlas/package.py

@@ -22,10 +22,10 @@
 # License along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 ##############################################################################
+import os
+
 from spack import *
-from spack.package_test import *
-from spack.util.executable import Executable
-import os.path
+from spack.package_test import compile_c_and_execute, compare_output_file
 
 
 class Atlas(Package):

var/spack/repos/builtin/packages/foam-extend/package.py

@@ -52,14 +52,16 @@
 # - Combining +parmgridgen with +float32 probably won't work.
 #
 ##############################################################################
-from spack import *
-from spack.environment import *
-
 import glob
 import re
 import shutil
 import os
-from spack.pkg.builtin.openfoam_com import *
+
+from spack import *
+from spack.pkg.builtin.openfoam_com import OpenfoamArch
+from spack.pkg.builtin.openfoam_com import add_extra_files
+from spack.pkg.builtin.openfoam_com import write_environ
+from spack.pkg.builtin.openfoam_com import rewrite_environ_files
 
 
 class FoamExtend(Package):

var/spack/repos/builtin/packages/of-adios-write/package.py

@@ -35,12 +35,12 @@
 # OpenFOAM distribution.
 #
 ##############################################################################
-from spack import *
-from spack.environment import *
+import os
+
 import llnl.util.tty as tty
 
-import os
-from spack.pkg.builtin.openfoam_com import *
+from spack import *
+from spack.pkg.builtin.openfoam_com import add_extra_files
 
 
 class OfAdiosWrite(Package):

var/spack/repos/builtin/packages/openblas/package.py

@@ -22,11 +22,12 @@
 # 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 *
-from spack.package_test import *
-import spack.architecture
 import os
 
+from spack import *
+from spack.package_test import compare_output_file, compile_c_and_execute
+import spack.architecture
+
 
 class Openblas(MakefilePackage):
     """OpenBLAS: An optimized BLAS library"""

var/spack/repos/builtin/packages/openfoam-com/package.py

@@ -58,15 +58,15 @@
 # WM_PROJECT_VERSION=plus naming internally.
 #
 ##############################################################################
-from spack import *
-from spack.environment import *
-import llnl.util.tty as tty
-
 import glob
 import re
 import shutil
 import os
 
+from spack import *
+import llnl.util.tty as tty
+
+
 # Not the nice way of doing things, but is a start for refactoring
 __all__ = [
     'add_extra_files',

var/spack/repos/builtin/packages/openfoam-org/package.py

@@ -53,15 +53,19 @@
 # - Combining +mgridgen with +int64 or +float32 probably won't work.
 #
 ##############################################################################
-from spack import *
-from spack.environment import *
-import llnl.util.tty as tty
-
 import glob
 import re
 import shutil
 import os
-from spack.pkg.builtin.openfoam_com import *
+
+import llnl.util.tty as tty
+
+from spack import *
+from spack.pkg.builtin.openfoam_com import add_extra_files
+from spack.pkg.builtin.openfoam_com import write_environ
+from spack.pkg.builtin.openfoam_com import rewrite_environ_files
+from spack.pkg.builtin.openfoam_com import mplib_content
+from spack.pkg.builtin.openfoam_com import OpenfoamArch
 
 
 class OpenfoamOrg(Package):

var/spack/repos/builtin/packages/pocl/package.py

@@ -22,10 +22,10 @@
 # License along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 ##############################################################################
+import os
 
 from spack import *
-from spack.package_test import *
-import os
+from spack.package_test import compile_c_and_execute, compare_output_file
 
 
 class Pocl(CMakePackage):

var/spack/repos/builtin/packages/python/package.py

@@ -27,14 +27,13 @@
 import platform
 import re
 import sys
-from contextlib import closing
 
-import spack
 import llnl.util.tty as tty
 from llnl.util.lang import match_predicate
 from llnl.util.filesystem import force_remove
+
+import spack
 from spack import *
-from spack.util.environment import *
 from spack.util.prefix import Prefix
 import spack.util.spack_json as sjson
 
@@ -587,7 +586,7 @@ def write_easy_install_pth(self, exts):
             if not os.path.isfile(easy_pth):
                 continue
 
-            with closing(open(easy_pth)) as f:
+            with open(easy_pth) as f:
                 for line in f:
                     line = line.rstrip()
 
@@ -610,7 +609,7 @@ def write_easy_install_pth(self, exts):
                 os.remove(main_pth)
 
         else:
-            with closing(open(main_pth, 'w')) as f:
+            with open(main_pth, 'w') as f:
                 f.write("import sys; sys.__plen = len(sys.path)\n")
                 for path in paths:
                     f.write("{0}\n".format(path))

var/spack/repos/builtin/packages/r/package.py

@@ -22,10 +22,8 @@
 # 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 *
-from spack.util.environment import *
 import shutil
+from spack import *
 
 
 class R(AutotoolsPackage):