[Z3-sqlos] New features for sqlos

[Fabio Tranchitella]

Dear sqlos developers,

    while writing a zope3 application and using sqlos, I needed a few things
that sqlos didn't offer out-of-the-box. For example, I used very often join
sqlobject's constructs but sqlos doesn't support to access to the "joined"
objects from a sqlobject, for example from:

  http://localhost/myapp/persons/fabio

all the lists of his dogs:

  http://localhost/myapp/persons/fabio/dogs

and here a specific dog:

  http://localhost/myapp/persons/fabio/dogs/fido

with dogs defined as:

  class Person:
    ...
    dogs = MultipleJoin('Dogs')

One of the most interesting things is that you can use RelatedJoins
(Many-to-Many relationships), so for example you can access to the same
objects using different paths:

  http://localhost/myapp/persons/fabio/companies/dotcom
  http://localhost/myapp/companies/dotcom/employees/fabio

I also needed a customized SQLObjectContainer which contains objects
froma single factory, so I can get rid off of those long names
(eg. sqlos.somename.Person.fabio) and start using only the
key.split(".")[-1].

For these reasons, I started a fork of sqlos named zsqlobject, which shares
almost all the base code from sqlos but adds new features like the ones
explained below.

Now, here is my question: is there interest in merging my changes upstream,
so I can stop my fork and start collaborating with sqlos? I see no reason to
keep the efforts duplicated, and I'm sure other users need these features
(i.e. http://codespeak.net/pipermail/z3-sqlos/2006-June/000125.html).

Thanks for your attention,

-- 
Fabio Tranchitella                         http://www.kobold.it
Free Software Developer and Consultant     http://www.tranchitella.it
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