Thanks a lot for your detailed answer. In Zen terms, I am 'enlightened' now ;)
On Jan 4, 1:07 am, "Marty Alchin" <[EMAIL PROTECTED]> wrote: > On Jan 3, 2008 2:33 PM, annacoder <[EMAIL PROTECTED]> wrote: > > > > > I understand *how* it is done. > > > But, my question was not related to the how part. > > Here's a quick rundown of the "why". > > Templates aren't triggered by HTTP requests like views are. Instead, > they're rendered inside views, which *are* triggered by HTTP requests. > Since the request triggers the view, it makes sense for the view to > receive the request object. Since templates are rendered by views, it > makes sense for templates to receive whatever the view sends them, and > nothing more. This is a design decision for at least a few reasons. > > 1) It allows templates to be more easily used outside of views, for > things like rendering reports about the content in the database or > anything else you might imagine. > > 2) It provides a clean separation of concerns. Views deal with > requests and responses, templates deal with variables and output > formatting. And since the view's the one "in charge" of the > relationship, it should be up to the view to decide what the template > gets access to. > > 3) The request would have to come from somewhere. Either you provide > it to the template explicitly (usually via RequestContext) or the > template code has to reach into Python's internal runtime data to > magically retrieve the request from the view. This process is very bad > because it: > > * isn't very fast > * is very very ugly > * is far from foolproof > * makes the view feel like Rob Lowe at the end of Wayne's World (if > you haven't seen it, trust me, it's not a good thing) > > 4) If you're more philosophical, this is also covered very clearly in > Tim Peter's Zen of Python: "Explicit is better than implicit." You > explicitly send the request to the template, so it's a Good Thing. > > -Gul --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
