Working char ** variables

Hi there,

I have a global variable with list of C strings:

char ** custom_variables;

with a method to append a new item to the end:

void add_item_to_array(char *** arr, char * item);

(this is how I call it:
  add_item_to_array(&custom_variables, "foo")
)

I can access this variable in Python, and what I set I can see in
the running code, eg:

mytest.cvar.custom_variables = ["Foo", "bar"]

and I get what I want.


I'd like to use that list with .append() method, so I think I
have two ways - but I don't know the first (use list.append()),
and the second (use
mytest.add_item_to_array(mytest.cvar.custom_variable, "foo"))
drops an error:


Traceback (most recent call last):
  File "./py3test.py", line 52, in <module>
    mytest.add_item_to_array(mytest.cvar.custom_variables, "FooBar")
  File "../../mytest.py", line 207, in add_item_to_array
    return _mytest.add_item_to_array(arr, item)
TypeError: in method 'add_item_to_array', argument 1 of type 'char ***'


Which typemap have to I use and how?


Thanks,



a.