Significant improvemnts to python module build. (#120)

= Add a "dist" command to setup.py, to automatically buld python module distrbution.

= Change Makefile.win32 to build multiple python modules.

src/Makefile.win32

@@ -61,8 +61,8 @@ pacparser.dll: pacparser.o spidermonkey/js.lib
 pacparser.lib: pacparser.dll pacparser.def
 	lib /machine:i386 /def:pacparser.def
 
-pactester: pactester.c pacparser.h pacparser.dll
-	$(CC) pactester.c -o pactester -lpacparser -L. -I.
+pactester: pactester.c pacparser.h pacparser.o
+	$(CC) pactester.c pacparser.o -o pactester -ljs -Lspidermonkey -lws2_32
 
 dist: pacparser.dll pactester pacparser.lib
 	if exist dist rmdir /s /q dist
@@ -83,21 +83,12 @@ pymod: pacparser.h pacparser.dll pacparser.o js.lib
 	cd pymod && $(PYTHON) setup.py build --compiler=mingw32
 	cd .. && $(PYTHON) tests/runtests.py
 
-pymod37: pacparser.h pacparser.dll
-	cd pymod && py -3.7 setup.py  build --compiler=mingw32
-	cd .. && py -3.7 tests\runtests.py
+pymod-%: pacparser.h pacparser.dll pacparser.o js.lib
+	cd pymod && py -$* setup.py  build --compiler=mingw32
+	cd .. && py -$* tests\runtests.py
 
-pymod38: pacparser.h pacparser.dll
-	cd pymod && py -3.8 setup.py  build --compiler=mingw32
-	cd .. && py -3.8 tests\runtests.py
-
-pymod39: pacparser.h pacparser.dll
-	cd pymod && py -3.9 setup.py  build --compiler=mingw32
-	cd .. && py -3.9 tests\runtests.py
-
-pymod310: pacparser.h pacparser.dll
-	cd pymod && py -3.10 setup.py  build --compiler=mingw32
-	cd .. && py -3.10 tests\runtests.py
+pymod-dist-%:
+	cd pymod && py -$* setup.py dist
 
 clean:
 	$(RM) pacparser.dll *.lib pacparser.def pacparser.exp pacparser.o pactester.exe libpacparser.a

src/pymod/setup.py

@@ -25,13 +25,48 @@
 identifying python setup and setting up some environment variables needed by
 Makefiles.
 """
-import sys
+import glob
 import os
+import platform
+import shutil
+import sys
 
 from unittest.mock import patch
 import distutils
 from setuptools import setup, Extension
 
+import distutils.cmd
+
+class DistCmd(distutils.cmd.Command):
+  """Build pacparser python distribution."""
+
+  description = 'Build pacparser python distribution.'
+  user_options = []
+
+  def initialize_options(self):
+    pass
+
+  def finalize_options(self):
+    pass
+
+  def run(self):
+    setup_dir = os.path.dirname(os.path.join(os.getcwd(), sys.argv[0]))
+    py_ver = '.'.join([str(x) for x in sys.version_info[0:2]])
+    pp_ver = os.environ.get('PACPARSER_VERSION', '1.0.0')
+
+    pacparser_module_path = glob.glob(
+      os.path.join(setup_dir, 'build', 'lib*%s' % py_ver))[0]
+    sys.path.insert(0, pacparser_module_path)
+    import pacparser
+    pp_ver = pacparser.version()
+
+    dist = 'pacparser-python%s-%s-%s-%s' % (
+      py_ver.replace('.',''), pp_ver, platform.system(), platform.machine())
+    dist = dist.lower()
+    os.mkdir(dist)
+    shutil.copytree(os.path.join(pacparser_module_path, 'pacparser'), dist+'/pacparser')
+
+
 @patch('distutils.cygwinccompiler.get_msvcr')
 def main(patched_func):
   pacparser_version = os.environ.get('PACPARSER_VERSION', '1.0.0')
@@ -53,7 +88,11 @@ def main(patched_func):
                                libraries = libraries,
                                extra_link_args = extra_link_args,
                                extra_objects = extra_objects)
-  setup (name = 'pacparser',
+  setup (
+        cmdclass={
+            'dist': DistCmd,
+        },
+        name = 'pacparser',
          version = pacparser_version,
          description = 'Pacparser package',
          author = 'Manu Garg',