Passing the module as an argument

[micmast]

Hey,

I have question, I'm trying to pass the module itself when calling a function in another module. Let me illustrate:

test.py
import test2

def hello():
print "hello there"

test2.call(self )



test2.py
def call(object):
object.hello()


>python test.py
Traceback (most recent call last):
File "test.py", line 6, in <module>
test2.call(self )
NameError: name 'self' is not defined

when I google, I see that self is mostly refered to classes. Is this only for classes or did I miss a link?

Thx in advance

[jlm699]

Yes, self refers to an instance of a class typically, but really you can make the keyword be anything (self is just kinda the standard). You are doing something strange in your code and I can't quite understand what it is that you're trying.

You will want to make a class with the function hello() being of that class, then do something like the following:
[CODE=python]
>>> class mycls:
... def hello(self):
... print "Hello world"
...
>>> my_class = mycls()
>>> def call(obj):
... obj.hello()
...
>>> call(my_class)
Hello world
>>>
[/CODE]

[micmast]

That works, but without using classes it isn't possible?
I could do it like that, but then I would have to rewrite a large portion of code :)

[jlm699]

You have to understand that using a '.' and function ( ie, object.hello() ) means that hello() is an attribute of object. The only way that something is an attribute is either through a module or a class.

You could do it through another script, so that hello is an attribute as in:
[CODE=python]
import test
test.hello()
[/CODE]

[micmast]

The thing is, I'm writing a plug in system for a program and the plug in has to be able to get some information from the programming calling the plug in in the first place. I thought I was able to fix this quickly by providing the module as a argument.

But I guess I'll make a small class like below (probably not the fastest, but it will limit time coding)

test.py

import test2

def hellof():
	print "hello from the function"
	
class Test:
	def __init__(self):
		print "loaded"
	def hello(self):
		hellof()

obj = Test()
test2.call(obj)

test2.py

def call(object):
	object.hello()

Thank you very much for this fast response.