--- a/eclviewer.py
+++ b/eclviewer.py
@@ -27,7 +27,7 @@ from pytouhou.game.player import PlayerS
 from pytouhou.formats.t6rp import T6RP
 
 
-def main(path, stage_num, rank, character, replay):
+def main(path, stage_num, rank, character, replay, data):
     if replay:
         with open(replay, 'rb') as file:
             replay = T6RP.read(file)
@@ -42,7 +42,7 @@ def main(path, stage_num, rank, characte
 
     resource_loader = Loader()
     resource_loader.scan_archives(os.path.join(path, name)
-                                    for name in ('CM.DAT', 'ST.DAT'))
+                                    for name in data)
     game = EoSDGame(resource_loader, [PlayerState(character=character)], stage_num, rank, 16,
                     prng=prng)
 
@@ -62,6 +62,7 @@ def main(path, stage_num, rank, characte
 
 parser = argparse.ArgumentParser(description='Libre reimplementation of the Touhou 6 engine.')
 
+parser.add_argument('data', metavar='DAT', default=('CM.DAT', 'ST.DAT'), nargs='*', help='Game’s .DAT data files')
 parser.add_argument('-p', '--path', metavar='DIRECTORY', default='.', help='Game directory path.')
 parser.add_argument('-s', '--stage', metavar='STAGE', type=int, required=True, help='Stage, 1 to 7 (Extra).')
 parser.add_argument('-r', '--rank', metavar='RANK', type=int, default=0, help='Rank, from 0 (Easy, default) to 3 (Lunatic).')
@@ -70,4 +71,4 @@ parser.add_argument('--replay', metavar=
 
 args = parser.parse_args()
 
-main(args.path, args.stage, args.rank, args.character, args.replay)
+main(args.path, args.stage, args.rank, args.character, args.replay, tuple(args.data))

new file mode 100644
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,33 @@
+# -*- encoding: utf-8 -*-
+
+import os, sys
+#import shutil
+from distutils.core import setup
+from distutils.extension import Extension
+
+try:
+    from Cython.Distutils import build_ext
+except ImportError:
+    print('You don’t seem to have Cython installed. Please get a '
+          'copy from www.cython.org and install it')
+    sys.exit(1)
+
+packages = []
+extensions = []
+
+for directory, _, files in os.walk('pytouhou'):
+    package = directory.replace(os.path.sep, '.')
+    packages.append(package)
+    for filename in files:
+        if filename.endswith('.pyx'):
+            extensions.append(Extension('%s.%s' % (package, filename[:-4]),
+                                        ['%s/%s' % (directory, filename)]))
+
+#TODO: put eclviewer.py in /usr/bin/ the right way
+#shutil.copyfile('eclviewer.py', 'pytouhou/pytouhou')
+
+setup(name='PyTouhou',
+      packages=packages,
+      ext_modules=extensions,
+      #scripts=['pytouhou/pytouhou'],
+      cmdclass = {'build_ext': build_ext})