upgrade to python3

judge-daemon

@@ -1,4 +1,5 @@
-#!/usr/bin/env python2.6
+#!/usr/bin/env python3
+
 
 import os, signal, sys, time
 from resource import setrlimit, RLIMIT_AS
@@ -38,7 +39,8 @@ def main():
             pid = configs[conf]
             ret = os.waitpid(pid, os.WNOHANG)
             if ret[0]:
-                print >>sys.stderr, 'judge process %d dead, restarting...' % pid
+                print('judge process %d dead, restarting...' % pid, file=sys.stderr)
+
                 configs[conf] = run(conf)
         time.sleep(1)
 
@@ -47,7 +49,8 @@ def run(conf):
     if pid:
         return pid
     else:
-        cmd = '/usr/bin/python'
+        cmd = sys.executable
+
         conf = os.path.join('conf', conf)
         os.execvp(cmd, (cmd, 'judge', conf))