On Jul 1, 1:09 pm, Yarko Tymciurak <[email protected]> wrote:
> Hi Xie -
>
> The reason this worked as you described:
>
> For each request to your application, web2py runs, finds your (the request)
> application,
> executes each file in the models directory (since the connection needs to be
> defined),
> and then calls the controller file and function in controllers.
>
> When you put a file in modules, you need to be sure it is imported, and the
> definitions available to your controllers.
>
> To do this you need to:
>
> - put an empty (at least) __init__.py file in your application's
> modules folder (this marks it as a module)
> - somewhere that you know get's executed, e.g. in your models folder,
> put an import statement.
>
> For example, in applications/my_app/models/0.py, add a line like this:
>
> from applications.my_app.modules.utils import App
>
> Hope this helps.
>
> Regards,
> Yarko
>
> On Tue, Jun 30, 2009 at 11:41 PM, Iceberg <[email protected]> wrote:
>
> > On Jul1, 12:08pm, Xie <[email protected]> wrote:
> > > Recently I'm having some trouble with web2py but I don't know where
> > > the problem is. My best guess is that it's about the MVC namespace.
> > > Please correct me if I'm wrong.
>
> > > The problem is that I defined a class "App" in models/utils.py and
> > > when I tried to inherit this class in another .py file under the
> > > models directory, web2py told me that class "App" is not found. I was
> > > confused and moved class "App" to db.py(where database connection is
> > > defined) and *bang*, it worked. No more error ticket and class "App"
> > > is successfully inherited.
>
> > > I'm not that familiar with web2py internals. Why did this happen? Is
> > > there any resolution order or something?
>
> > > Thanks
>
> > > -- Xie
>
> > web2py loads models in alphabetic order. So you need to make sure your
> > basic definition comes prior to your "another .py file". For example,
> > "models/0_setting.py" is kind of de facto convention.
>
> > However, I would recommend you to put your basic things inside modules/
> > whatever.py, this way you might have more flexibility.
>
>
Thanks. It really helped. It's lucky that the project is still in its
early stage and we'll be refactoring the existing code with respect to
web2py's conventions.
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