From: Andrei Antoukh <niwi@niwi.be>
Date: Sun, 10 Feb 2013 11:55:23 +0000 (+0100)
Subject: Fix unexpected output on exec alembic command without a subcommand.
X-Git-Tag: rel_0_5_0~23^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9c14b6445735b3e3f22f351c3af6ece87179d568;p=thirdparty%2Fsqlalchemy%2Falembic.git

Fix unexpected output on exec alembic command without a subcommand.
---

diff --git a/alembic/config.py b/alembic/config.py
index 8c25aeaa..1b3b3413 100644
--- a/alembic/config.py
+++ b/alembic/config.py
@@ -245,9 +245,11 @@ class CommandLine(object):
 
     def main(self, argv=None):
         options = self.parser.parse_args(argv)
-
-        cfg = Config(options.config, options.name)
-        self.run_cmd(cfg, options)
+        if not hasattr(options, "cmd"):
+            self.parser.print_help()
+        else:
+            cfg = Config(options.config, options.name)
+            self.run_cmd(cfg, options)
 
 def main(argv=None, prog=None, **kwargs):
     """The console runner function for Alembic."""