#!/usr/bin/env python

import sys

# Import the CORBA module
from omniORB import CORBA

# Import the stubs for the CosNaming and Example modules
import CosNaming, Example

# Initialise the ORB
orb = CORBA.ORB_init(sys.argv, CORBA.ORB_ID)

# Obtain a reference to the root naming context
obj         = orb.resolve_initial_references("NameService")
rootContext = obj._narrow(CosNaming.NamingContext)

if rootContext is None:
    print("Failed to narrow the root naming context")
    sys.exit(1)

# Resolve the name "test.my_context/ExampleEcho.Object"
name = [CosNaming.NameComponent("test", "my_context"),
        CosNaming.NameComponent("ExampleEcho", "Object")]

try:
    obj = rootContext.resolve(name)

except CosNaming.NamingContext.NotFound as ex:
    print("Name not found")
    sys.exit(1)

# Narrow the object to an Example::Echo
eo = obj._narrow(Example.Echo)

if eo is None:
    print("Object reference is not an Example::Echo")
    sys.exit(1)

# Invoke the echoString operation
message = "Hello from Python"
result  = eo.echoString(message)

print("I said '%s'. The object said '%s'." % (message,result))
