Added support for passing program to play(). Added constants for de…

…fault

programs

sebastian/midi/player.py

@@ -1,24 +1,27 @@
 ## The goal of this module is to eventually be to MIDI players what
 ## 'webbrowser' is to Web browsers.
-##
-## Personally, I only need it to work on OS X so patches accepted for other
-## operating systems.
 
 import sys
 import tempfile
 import subprocess
 
 from sebastian.midi import write_midi
 
+OPEN = 'open'
+TIMIDITY = 'timidity'
 
-def play(tracks):
+
+def play(tracks, program=''):
     f = tempfile.NamedTemporaryFile(suffix=".mid", delete=False)
     s = write_midi.SMF(tracks)
     s.write(f)
     f.close()
-    if sys.platform == "darwin":
-        subprocess.call(["open", f.name])
-    elif sys.platform == "linux2":
-        subprocess.call(["timidity", f.name])
+    if not program:
+        if sys.platform == "darwin":
+            program = OPEN
+        elif sys.platform == "linux2":
+            program = TIMIDITY
+    if program:
+        subprocess.call([program, f.name])
     else:
-        print "Only OS X supported at the moment. Patches accepted!"
+        print 'A suitable program for your platform is unknown'