Handle subscribed callbacks unregistering themselves.

[pdm.git] / pdm-repl

diff --git a/pdm-repl b/pdm-repl
index 5faaa86..cc5c289 100755 (executable)
--- a/pdm-repl
+++ b/pdm-repl
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 
 import sys, getopt, readline
 import pdm.cli
@@ -14,7 +14,11 @@ for o, a in opts:
 if len(args) < 1:
     usage(sys.stderr)
     sys.exit(1)
-cl = pdm.cli.replclient(args[0])
+try:
+    cl = pdm.cli.replclient(args[0])
+except Exception as e:
+    sys.stderr.write("%s: %s\n" % (args[0], e))
+    sys.exit(1)
 
 buf = ""
 while True: