build windows dlls in setup using setuptools

Author: mikofski

.gitignore

@@ -1,11 +1,16 @@
 # build
 build/
 dist/
-solar_utils.egg.info/
+solar_utils.egg-info/
 *.pyc
 *.dylib
 *.so
 *.dll
+*.exp
+*.obj
+*.lib
+*.a
+*.dll.manifest
 
 # IDE
 .idea/

setup.py

@@ -9,24 +9,63 @@
 except ImportError:
     sys.exit('setuptools was not detected - please install setuptools and pip')
 from solar_utils import __version__ as VERSION, __name__ as NAME
+import logging
+
+logging.basicConfig(level=logging.DEBUG)
+logger = logging.getLogger(__name__)
 
 PLATFORM = sys.platform
 if PLATFORM == 'win32':
-    SRCDIR = 'win32'
+    SRC_DIR = 'win32'
 elif PLATFORM == 'darwin':
-    SRCDIR = 'darwin'
+    SRC_DIR = 'darwin'
 elif PLATFORM == 'linux2':
-    SRCDIR = 'linux'
+    SRC_DIR = 'linux'
 else:
     sys.exit('unknown platform - expected "win32", "darwin" or "linux2"')
 
-CC = distutils.ccompiler.new_compiler()
-CC.set_include_dirs('path\\to\\srcdir')
-CC.compile(['win32\\solposAM.c','win32\\solpos.c'])
-CC.link_shared_lib(['win32\\solposAM.obj','win32\\solpos.obj'], 'solposAM')
+PKG_DATA = [os.path.join(SRC_DIR, '*.*'), os.path.join(SRC_DIR, 'src', '*.*')]
+LIB_DIR = os.path.join(NAME, SRC_DIR)
+SRC_DIR = os.path.join(LIB_DIR, 'src')
+logger.debug(PKG_DATA)
+TESTS = '%s.tests' % NAME
+TEST_DATA = ['test_spectrl2_data.json']
+SOLPOS = 'solpos.c'
+SOLPOSAM = 'solposAM.c'
+SOLPOSAM_LIB = 'solposAM'
+SPECTRL2 = 'spectrl2.c'
+SPECTRL2_2 = 'spectrl2_2.c'
+SPECTRL2_LIB = 'spectrl2'
+SOLPOS = os.path.join(SRC_DIR, SOLPOS)
+SOLPOSAM = os.path.join(SRC_DIR, SOLPOSAM)
+SPECTRL2 = os.path.join(SRC_DIR, SPECTRL2)
+SPECTRL2_2 = os.path.join(SRC_DIR, SPECTRL2_2)
+LIB_FILES = ['%s.dll', '%s.lib', '%s.exp', 'lib%s.so', 'lib%s.dylib', 'lib%s.a']
+if 'clean' in sys.argv or 'distclean' in sys.argv:
+    for lib_file in LIB_FILES:
+        try:
+            os.remove(os.path.join(LIB_DIR, lib_file % SOLPOSAM_LIB))
+        except OSError as err:
+            sys.stderr.write(err.message)
+        try:
+            os.remove(os.path.join(LIB_DIR, lib_file % SPECTRL2_LIB))
+        except OSError as err:
+            sys.stderr.write(err.message)
+else:
+    # compile NREL source code
+    CC = distutils.ccompiler.new_compiler()  # initialize compiler object
+    CC.set_include_dirs([SRC_DIR])  # set includes directory
+    OBJS = CC.compile([SOLPOS, SOLPOSAM])  # compile solpos and solposAM objects
+    # link objects and make shared library in library directory
+    CC.link_shared_lib(OBJS, SOLPOSAM_LIB, output_dir=LIB_DIR)
+    OBJS = CC.compile([SPECTRL2, SPECTRL2_2, SOLPOS])  # compile spectrl2 objects
+    CC.set_libraries([SOLPOSAM_LIB])  # set linked libraries
+    CC.set_library_dirs([LIB_DIR])  # set library directories
+    # link objects and make shared library in library directory
+    CC.link_shared_lib(OBJS, SPECTRL2_LIB, output_dir=LIB_DIR)
 
-setup(name = NAME,
-      version = VERSION,
-      packages = [NAME],
-      package_data = {NAME: PKG_DATA},
-      description = 'Python wrapper around NREL SOLPOS and SPECTRL2')
+setup(name=NAME,
+      version=VERSION,
+      packages=[NAME, TESTS],
+      package_data={NAME: PKG_DATA, TESTS: TEST_DATA},
+      description='Python wrapper around NREL SOLPOS and SPECTRL2')

solar_utils/solar_utils.py

@@ -63,7 +63,7 @@ def solposAM(location, datetime, weather):
     :type weather: list of floats
     :returns: angles, airmass
     :rtype: float
-    :raises: :exc:`~pvsimlife.solar_utils.solar_utils_exceptions.SOLPOS_Error`
+    :raises: :exc:`~solar_utils.solar_utils_exceptions.SOLPOS_Error`
     """
     # load the DLL
     solposAMdll = ctypes.cdll.LoadLibrary(SOLPOSAMDLL)
@@ -120,8 +120,8 @@ def spectrl2(units, location, datetime, weather, orientation,
     :type albedo: list of lists of floats
     :returns: specdif, specdir, specetr, specglo and specx
     :rtype: float
-    :raises: :exc:`~pvsimlife.solar_utils.solar_utils_exceptions.SPECTRL2_Error`,
-        :exc:`~pvsimlife.solar_utils.solar_utils_exceptions.SOLPOS_Error`
+    :raises: :exc:`~solar_utils.solar_utils_exceptions.SPECTRL2_Error`,
+        :exc:`~solar_utils.solar_utils_exceptions.SOLPOS_Error`
 
     .. seealso::
         :func:`solposAM`

solar_utils/tests/test_cdlls.py

@@ -19,9 +19,8 @@
 import os
 from nose.tools import ok_
 
-from pvsimlife.solar_utils import solposAM, spectrl2
-from pvsimlife.solar_utils.solar_utils_exceptions import SOLPOS_Error, \
-    SPECTRL2_Error
+from solar_utils import *
+from solar_utils.solar_utils_exceptions import SOLPOS_Error, SPECTRL2_Error
 
 _DIRNAME = os.path.dirname(__file__)
 TOL = 1E-3