On 2024-03-11 16:53:00 -0400, Ivan "Rambius" Ivanov via Python-list wrote:
> I am refactoring some code and I would like to get rid of a global
> variable. Here is the outline:
...
> The global cache variable made unit testing of the lookup(key) method
> clumsy, because I have to clean it after
On Tue, 12 Mar 2024 at 08:04, Ivan "Rambius" Ivanov
wrote:
> > A Singleton is just a global variable. Why do this? Did someone tell
> > you "global variables are bad, don't use them"?
>
> I have bad experience with global variables because it is hard to
> track what and when modifies them. I
On Mon, Mar 11, 2024 at 5:06 PM dn via Python-list
wrote:
>
> Good question Rambius!
>
> On 12/03/24 09:53, Ivan "Rambius" Ivanov via Python-list wrote:
> > Hello,
> >
> > I am refactoring some code and I would like to get rid of a global
> > variable. Here is the outline:
> >
> > import
On Mon, Mar 11, 2024 at 5:01 PM Chris Angelico via Python-list
wrote:
>
> On Tue, 12 Mar 2024 at 07:54, Ivan "Rambius" Ivanov via Python-list
> wrote:
> > I am refactoring some code and I would like to get rid of a global
> > variable. Here is the outline:
> >
> > ...
> >
> > I have never done
Good question Rambius!
On 12/03/24 09:53, Ivan "Rambius" Ivanov via Python-list wrote:
Hello,
I am refactoring some code and I would like to get rid of a global
variable. Here is the outline:
import subprocess
CACHE = {}
First thought: don't reinvent-the-wheel, use lru_cache
On Tue, 12 Mar 2024 at 07:54, Ivan "Rambius" Ivanov via Python-list
wrote:
> I am refactoring some code and I would like to get rid of a global
> variable. Here is the outline:
>
> ...
>
> I have never done that in Python because I deliberately avoided such
> complicated situations up to now. I
Hello,
I am refactoring some code and I would like to get rid of a global
variable. Here is the outline:
import subprocess
CACHE = {}
def lookup(key):
Runs the command cmd, parses its output, extract's the key's value,
caches it and returns it. If the key has already been in the
