Object oriented storage with validation (was: Re: Caching compiled regexps across sessions (was Re: Regular Expressions - Python vs Perl))

[Ville Vainio]

>>>>> "Ilpo" == Ilpo Nyyssönen <iny> writes:

    Ilpo> Pickle doesn't have validation. I am not comfortable for
    Ilpo> using it as storage format that should be reliable over
    Ilpo> years when the program evolves. It also doesn't tell me if

That's why you should implement xml import/export mechanism and use
the xml file as the "canonical" data, while the pickle is only a cache
for the data.

    Ilpo> How can it work automatically in separate module? Replacing
    Ilpo> the re.compile with something sounds possible way of getting
    Ilpo> the regexps, but how and where to store the compiled data?
    Ilpo> Is there a way to put it to the byte code file?

Do what you already did - dump the regexp cache to a separate file. 

-- 
Ville Vainio   http://tinyurl.com/2prnb