--- startstop_node.py	2008-09-01 17:30:01.000000000 -0500
+++ startstop_node.py	2008-09-01 17:29:41.000000000 -0500
@@ -54,8 +54,20 @@
 
     cmd = find_exe.find_exe('twistd')
     if not cmd:
-        print "Can't find twistd (it comes with Twisted).  Aborting."
-        sys.exit(1)
+        # If the 'twistd' executable can't be found, we have to do some PATH
+        # manipluations so that the executable can be found.
+        from pkg_resources import require
+        twisted_dir = require("Twisted")[0].location
+        pp = os.path.dirname(twisted_dir)
+        if os.environ.get('PYTHONPATH', []):
+            os.environ['PYTHONPATH'] += os.pathsep + pp
+        else:
+            os.environ['PYTHONPATH'] = pp
+        support_bin = os.path.join(os.path.dirname(os.path.dirname( \
+            os.path.dirname(os.path.dirname(os.path.abspath(__file__))))),
+            'support', 'bin')
+        sys.path.append(support_bin)
+        cmd = [os.path.join(support_bin, 'twistd')]
 
     cmd.extend(["-y", tac])
     if nodetype in ("client", "introducer"):