Tried it, and with the @property method it works fine :) Thanks for your help :)
On Jul 26, 3:20 pm, bloeper <[email protected]> wrote: > First of thanks for the answer :) > > Well it's not really my choice of working this way.. Since in the wiki > tutorial they certainly use the init method... > And I don't think it violates anything... Since you can assign values > to an object at the creation of an object.. That's were all > constructors are for? > > Well at setting I only need the urlify e.g creating it, afterwards it > isn't needed. > > I'm gonna take a look at your solution haven't thought of it that way. > > Thanks :) > > I think you violate the design of SA declarative here. You there > create an > > > instance & *then* set it's attributes. You do not use a rich __init__. > > > And your reasoning for using a rich __init__ instead is flawed - if you'd > > need > > the urlify for slug, you'd certainly also need it for setting it on an > > existing instance. > > > So the solution to this is simple. Make slug a property. I'm not sure what > > the > > best way to do this is in declarative, my attempt would simply be do > > declare a > > private attribute _slug (with DB-name slug), and then do the usual property > > getter/setter stuff to create slug. > > On Jul 26, 3:16 pm, "Diez B. Roggisch" <[email protected]> wrote: > > > On Saturday, July 24, 2010 17:22:33 bloeper wrote: > > > Hi All, > > > > Sorry for my question flood, but I am trying to get this to work. > > > I have the following init in a blog model: > > > def __init__( self, title, content, user_id): > > > self.title = title > > > self.slug = urlify( title ) > > > self.date = datetime.now() > > > self.content = content > > > self.user_id = user_id > > > > When i create some default records with the web-setup it works fine, > > > but when I try to add a record trough the web admin i get the error > > > that the init function expects 4 parameters and that 1 is given. > > > How does the admin add records? > > > In the admin I do fill in all the fields, but it seems to me it posts > > > those parameters in one list or something... > > > Anyone got an idea how to fix this... > > > I need the init to work because of the urlify function I use. (this > > > function makes from the title a save url) > > > For instance: Test blog goes through urlify and the output becomse: > > > test-blog > > > I think you violate the design of SA declarative here. You there create an > > instance & *then* set it's attributes. You do not use a rich __init__. > > > And your reasoning for using a rich __init__ instead is flawed - if you'd > > need > > the urlify for slug, you'd certainly also need it for setting it on an > > existing instance. > > > So the solution to this is simple. Make slug a property. I'm not sure what > > the > > best way to do this is in declarative, my attempt would simply be do > > declare a > > private attribute _slug (with DB-name slug), and then do the usual property > > getter/setter stuff to create slug. > > > Diez -- 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.
