Hi... Can you let the group know what the advantages of using dejavu as an orm would be over sqlobject or sqlalchemy?
Thanks On May 31, 6:36 pm, jrodrigo <[EMAIL PROTECTED]> wrote: > Hi, some time ago (TurboGears 1.0.3.2) I was comparing SQLObject and > Dejavu; I felt > that this two ORMs were "quite" similar and started to think if Dejavu > could be integrated > into TurboGears... > > I went on studying the extension capabilities of TurboGears and found > that > the subsystems involved could be extended. > > So I started coding providers for the involved subsystems with two > things in mind: > > a) Not changing the existing Python interfaces and method signatures > for each new class. > b) Not changing the physical storage definition; keeping the SQLObject > tables as it were. > > To my amazement I was able to integrate Dejavu completely without > changing the storage > layer or the Python interfaces. I found TurboGears inner workings > quite easy to extend > and work with. > > I am releasing the code in case someone is interested; the code > released comprises this: > > A README file explaining how to integrate the extension modules into > the current TurboGears > version; and how to create a Dejavu enabled web application. > > A database subsystem replacement module, I have not merged the current > database.py with > the Dejavu's one; anyway it is quite easy to merge Alchemy, SQLObject > and Dejavu in the > same database.py given that the Dejavu walks the same path as > SQLObject in database.py. > > A Dejavu Identity Provider extension module (djprovider.py); a Dejavu > Visit Manager > extension module (djvisit.py) and a Dejavu Session Manager filter > (dejavusession.py); > the last one is a CherryPy session filter that mimics the PostgreSQL > one. > > Each of this modules implements the known interfaces and objects using > Dejavu; none of > this modules change the physical data representation of the tables. > > In addition I have created an example web application, for testing > purposes, that > uses all this services; it is called dejagears and you can find it in > the repository. > > You can check the extension code and example web application in this > repository: > http://code.google.com/p/dejagears/ > > Or directly download the source code: > svn checkouthttp://dejagears.googlecode.com/svn/trunk/dejagears- > read-only > > I have always thought that Dejavu was a missing piece in TurboGears > and badly wanted it > inside this wonderful web application server. So here it is and it > works like a charm. > > I would like to hear ideas about the future of this code; maybe I have > left some gap > in there and I would like to hear about that too. > > Thanks in advance and keep up the hard work! --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "TurboGears" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/turbogears?hl=en -~----------~----~----~----~------~----~------~--~---
