Help on dictionaries...

[Souvik Dutta]

How do I connect it with my dictionary

On Thu, Jan 30, 2020, 7:03 AM Tim Chase <python.list at tim.thechases.com>
wrote:

> On 2020-01-30 06:44, Souvik Dutta wrote:
> > Hey I was thinking how I can save a dictionary in python(obviously)
> > so that the script is rerun it automatically loads the dictionary.
>
> This is almost exactly what the "dbm" (nee "anydbm") module does, but
> persisting the dictionary out to the disk:
>
>   import dbm
>   from sys import argv
>   with dbm.open("my_cache", "c") as db:
>     if len(argv) > 1:
>       key = argv[1]
>       if key in db:
>         print("Found it:", db[key])
>       else:
>         print("Not found. Adding")
>         if len(argv) > 2:
>           value = argv[2]
>         else:
>           value = key
>         db[key] = value
>     else:
>       print("There are %i items in the cache" % len(db))
>
> The resulting "db" acts like a dictionary, but persists.
>
> If you really must have the results as a "real" dict, you can do the
> conversion:
>
>   real_dict = dict(db)
>
> -tkc
>
>
>
>