Storing a big amount of path names

[Paulo da Silva]

Às 03:49 de 12-02-2016, Chris Angelico escreveu:
> On Fri, Feb 12, 2016 at 2:13 PM, MRAB <python at mrabarnett.plus.com> wrote:
>> Apart from all of the other answers that have been given:
>>
...
> 
> Simpler to let the language do that for you:
> 
>>>> import sys
>>>> p1 = sys.intern('foo/bar')
>>>> p2 = sys.intern('foo/bar')
>>>> id(p1), id(p2)
> (139621017266528, 139621017266528)
> 

I didn't know about id or sys.intern :-)
I need to look at them ...

As I can understand I can do in MyFile class

self.dirname=sys.intern(dirname) # dirname passed as arg to the __init__

and the character string doesn't get repeated.
Is this correct?