From: W. Trevor King <wking@drexel.edu>
Date: Tue, 16 Nov 2010 17:36:31 +0000 (-0500)
Subject: Update abcplay.py to handle pre-terminated subprocesses.
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=08ebe8e7f6b56f9ed63fb28d6974a8f82f1664a2;p=blog.git

Update abcplay.py to handle pre-terminated subprocesses.
---

diff --git a/posts/abcplay/abcplay.py b/posts/abcplay/abcplay.py
index a3cd6c7..9d84089 100755
--- a/posts/abcplay/abcplay.py
+++ b/posts/abcplay/abcplay.py
@@ -72,11 +72,17 @@ class ABCPlayer (object):
 
     def _kill_p(self):
         if self._p != None:
-            self._p.terminate()
-            self._p.wait()
+            try:
+                self._p.terminate()
+            except OSError, e:
+                if e.errno == 3:
+                    pass  # no such process
+                else:
+                    raise
+            else:
+                self._p.wait()
             self._p = None
 
-
 if __name__ == '__main__':
     import sys