"""A convenience function for connect and loginasync.
This function will connect to the given server, or the server in
- the environment variable $DCSERVER if none is given, and
- authenticate to the server. If any of the steps fail, an exception
- is raised.
+ the environment variable $DCSERVER if none is given, or, if that
+ fails, localhost, and authenticate to the server. If any of the
+ steps fail, an exception is raised.
"""
if host is None:
host = os.getenv("DCSERVER")
if host is None:
- raise ValueError, "No DC host to connect to"
+ host = "localhost"
fd = mustconnect(host, port)
err, reason = login(useauthless, **kw)
if err != "success":
if resp.getcode() != code:
raise ValueError, resp.getcode()
return resp
+
+def ecmds(*args):
+ """Another convenience function for ecmd.
+
+ Like ecmda, but will fail on all 5xx codes, and succeed on all
+ others.
+ """
+ resp = ecmd(*args)
+ if resp.getcode() >= 500 and resp.getcode() < 600:
+ raise ValueError, tuple(resp.extract()[0])
+ return resp