Generate unique ID for URL

[Richard]

Good point - one way encoding would be fine.

Also this is performed millions of times so ideally efficient.


On Wednesday, November 14, 2012 10:34:03 AM UTC+11, John Gordon wrote:
> In <0692e6a2-343c-4eb0-be57-fe5c815efb99 at googlegroups.com> Richard <richardbp at gmail.com> writes:
> 
> 
> 
> > I want to create a URL-safe unique ID for URL's.
> 
> > Currently I use:
> 
> > url_id = base64.urlsafe_b64encode(url)
> 
> 
> 
> > >>> base64.urlsafe_b64encode('docs.python.org/library/uuid.html')
> 
> > 'ZG9jcy5weXRob24ub3JnL2xpYnJhcnkvdXVpZC5odG1s'
> 
> 
> 
> > I would prefer more concise ID's. 
> 
> > What do you recommend? - Compression?
> 
> 
> 
> Does the ID need to contain all the information necessary to recreate the
> 
> original URL?
> 
> 
> 
> -- 
> 
> John Gordon                   A is for Amy, who fell down the stairs
> 
> gordon at panix.com              B is for Basil, assaulted by bears
> 
>                                 -- Edward Gorey, "The Gashlycrumb Tinies"