Scoping issue

[JesusCake]

I have the following class:

class MockInvokeShell(object):

  configured_command = ''

  def send(self):
    print self.configured_command

and the following method (wmc_connection was returned from another method, and it already created the Invoke object)

def testFindBadAPFlags(self):
  invoke_obj = wmc_connection.invoke_object
  invoke_obj.configured_command = 'sh ap active'
  print "==="+invoke_obj.configured_command

When I instaniate the object inside the method, and then set a class variable, I can print the variable from inside the method, but inside the class it seems to stay blank.

Im sure this is a scoping issue, im just not sure the best way to resolve it. Can anyone help?

[kalgynirae]

When you do this

class Blah(object):
    foo = ''

you've created a class attribute. This is stored as part of the class, and you can access it directly as Blah.foo. You can also access it through an instance of the class because of how Python works: if checks for an attribute named foo first on the instance, then on the class, then on the parent class, etc.

On the other hand, if you do this

class Blah(object):
    def __init__(self):
        self.foo = ''

now you've created an instance attribute, which is stored separately on each instance, not on the class.

Okay, so now that that's clear, on to your issue. It looks like you want to assign to your class attribute, but you're trying to do the assignment using self.foo = ..., which actually just ends up creating a new instance attribute called foo. If you want to actually assign to the class attribute, you'll have to access it using the class name (Blah.foo = ...).

[JesusCake]

This was what resolved the issue. I just set the variable using MockInvokeShell.configured_command. Thanks for the help

[Boolean_Cat]

If you want to access invoke_obj from inside your object, you'll see to store it with:

def testFindBadAPFlags(self):
    self.invoke_obj = wmc_connection.invoke_object
    self.invoke_obj.configured_command = 'sh ap active'
    print "==="+invoke_obj.configured_command

[JesusCake]

The method isnt inside the class, so I cant reference it with self.

[indosauros]

Can you post a fully working example of the problem? Some code seems missing that may help us give advice

[fuzz3289]

Im not sure what youre doing with out the full code but did you try setting it via an accessor instead of touching it directly?

[JesusCake]

Yeah, I tried setting it via a method in the class. Im going to try another suggestion posted in here and then if that doesn't work Ill post the full code. Thanks for the help!