Fixed building / installation of Python module in Windows

Cantera/clib/SConscript

@@ -6,6 +6,8 @@ localenv = env.Clone()
 lib = localenv.SharedLibrary(pjoin('../../lib', 'clib'),
                              source=mglob(localenv, 'src', 'cpp'),
                              LIBS=env['cantera_libs'])
+env['clib_shared'] = lib
+
 inst = localenv.Install('$ct_libdir', lib)
 buildTargets.extend(lib)
 installTargets.extend(inst)

Cantera/python/SConscript

@@ -23,24 +23,28 @@ if env['python_package'] == 'full':
                                       SHLIBSUFFIX=gcv('SO'))
     buildTargets.extend(pymodule)
     localenv.Depends(pymodule, make_setup)
+    if localenv['OS'] == 'Windows':
+        for file in localenv['clib_shared']:
+            dest = pjoin('Cantera', 'python', 'Cantera', file.name)
+            localenv.AddPreAction(pymodule,Copy(dest, file))
+
 elif env['python_package'] == 'minimal':
     pymodule = make_setup
 
-localenv.AddPostAction(make_setup, 'cd Cantera/python; $python_cmd setup.py build')
+moddir = pjoin('Cantera', 'python')
+localenv.AddPostAction(make_setup,
+                       'cd %s && $python_cmd setup.py build' % moddir)
 
 # Install the Python module
-if env['cantera_python_home'] is None:
+if env['python_prefix']:
+    # A specific location for the Cantera python module has been specified
+    extra = '--prefix="%s"' % env['python_prefix']
+else:
     # Install Python module in the default location
     extra = ''
-elif env['cantera_python_home'] == env['prefix']:
-    # Cantera is being installed with a non-default prefix
-    extra = '--prefix=' + env['prefix']
-else:
-    # A specific location for the Cantera python module has been specified
-    extra = '--home=' + env['cantera_python_home']
 
 inst = localenv.Command('dummy', pymodule,
-                        'cd Cantera/python; $python_cmd setup.py install %s' % extra)
+                        'cd %s && $python_cmd setup.py install %s' % (moddir,extra))
 installTargets.extend(inst)
 
 if env['python_package'] == 'full':

Cantera/python/setup.py.in

@@ -1,13 +1,10 @@
-import sys
-import string
 from distutils.core import setup, Extension
+from distutils.sysconfig import get_config_var
+import os
 
-platform = sys.platform
-
-# values:
-#  0   do nothing
-#  1   install only ctml_writer.py
-#  2   install full package
+dataFiles = ['_cantera%s' % get_config_var('SO')]
+if os.name == 'nt':
+    dataFiles.append('clib.dll')
 
 if '@python_package@' == 'full':
     setup(name="Cantera",
@@ -21,7 +18,7 @@ if '@python_package@' == 'full':
           package_dir = {'MixMaster':'../../apps/MixMaster'},
           packages = ["","Cantera","Cantera.OneD",
                       "MixMaster","MixMaster.Units"],
-          package_data = {'Cantera': ['_cantera.so']})
+          package_data = {'Cantera': dataFiles})
 elif '@python_package@' == 'minimal':
     setup(name="Cantera CTI File Processor",
           version="@cantera_version@",

SConstruct

@@ -118,7 +118,7 @@ opts.AddVariables(
            the home directory for numpy.""",
         '', PathVariable.PathAccept),
     PathVariable(
-        'cantera_python_home',
+        'python_prefix',
         """If you want to install the Cantera Python package somewhere
            other than the default 'site-packages' directory within the
            Python library directory, then set this to the desired
@@ -482,9 +482,6 @@ env['HAS_MATH_H_ERF'] = conf.CheckDeclaration('erf', '#include <math.h>', 'C++')
 env['HAS_BOOST_MATH'] = conf.CheckCXXHeader('boost/math/special_functions/erf.hpp', '<>')
 env = conf.Finish()
 
-if env['cantera_python_home'] == '' and env['prefix'] != defaults.prefix:
-    env['cantera_python_home'] = env['prefix']
-
 if env['python_package'] in ('full','default'):
     # Test to see if we can import the specified array module
     warnNoPython = False