added --no-loop option

utils/blmplay.py

@@ -12,13 +12,14 @@ def printUsage(errMsg=None):
     print('usage: %s [OPTIONS] FILENAME' % (sys.argv[0]))
     print('supported options:')
     print('  -o OUTPUT         where to output the frames (default: shell)')
+    print('  --no-loop         play animation only once')
     print('  --output OUTPUT\n')
     print('  -h                print this text')
     print('  --help')
 
 def main():
     try:
-		(opts, args) = getopt.gnu_getopt(sys.argv, 'ho:', ['help', 'output='])
+        (opts, args) = getopt.gnu_getopt(sys.argv, 'ho:', ['help', 'output=', 'no-loop'])
         opts = dict(opts)
     except getopt.GetoptError as e:
         printUsage(e.msg)
@@ -35,6 +36,8 @@ def main():
     else:
         output = 'shell'
 
+    loop = '--no-loop' not in opts
+
     try:
         out = blup.output.getOutput(output)
     except blup.output.IllegalOutputSpecificationError:
@@ -60,6 +63,8 @@ def main():
     try:
         while True:
             player.play(anim, out)
+            if not loop:
+                break
     except KeyboardInterrupt:
         sys.exit(0)