Merge pull request #39 from letmaik/mingw

Add support for gfortran+msvc for building PyPI-suitable Windows wheels

src/wrf/__init__.py

@@ -1,5 +1,17 @@
 from __future__ import (absolute_import, division, print_function, 
                         unicode_literals)
+import os
+import pkg_resources
+
+# For gfortran+msvc combination, extra shared libraries may exist (stored by numpy.distutils)
+if os.name == 'nt':
+    try:
+        req = pkg_resources.Requirement.parse('wrf-python')
+        extra_dll_dir = pkg_resources.resource_filename(req, 'wrf-python/extra-dll')
+        if os.path.isdir(extra_dll_dir):
+            os.environ['PATH'] += os.pathsep + extra_dll_dir
+    except ImportError:
+        pass
 
 from . import api
 from .api import *