The model files will be executed in alfabetical order. So there is a difference.


Kenneth

----- Ursprungsmeddelande -----
> Thanks for your reply. Regarding the first answer: does it mean that
> every model from my app will be called on every page refresh? Do the
> names of the model files have any effect? I.e. if I rename db.py to
> mydb.py, or change "0.py" to something else - what will happen behind
> the scene?
> 
> Regarding my third question: the tree structure is something that I
> did understand. The problem is an error which makes me think that I do
> something wrong. While trying to perform the described above, I the
> following traceback:
> 
> Traceback (most recent call last):
>     File "C:\Users\viu\Desktop\web2py\gluon\restricted.py", line 188, in
> restricted
>         exec ccode in environment
>     File "C:\Users\viu\Desktop\web2py\applications\Registrar/views
> \default/index.html", line 99, in <module>
> AttributeError: 'NoneType' object has no attribute 'replace'.
> 
> I have index.html with "include 'default/user.html'". user.html
> doesn't have extend.
> 
> 
> Regarding my last question, I will try to clarify: I found out that
> after uploading the app to GAE, the example records are being added to
> my app at GAE. I.e. I have: "Sacemoso Mamaduco Dacotata
> papapato@exam...." in my online app. I have already cleared my GAE
> datastore once.
> 
> Thanks again.
> 
> On Feb 4, 6:10 am, Massimo Di Pierro <massimo.dipie...@gmail.com>
> wrote:
> > On Feb 3, 8:27 pm, devGS <vitali....@geniestills.com> wrote:
> > 
> > > Hi, I have a few general questions, answers for which I didn't find
> > > in the book:
> > > 1. How does the model work in web2py's MVC? What is the workflow?
> > > When does the code from those files called? The only relevant
> > > information I found was the sequence diagram from the book.
> > 
> > yes this is an important omission.
> > at every http request, all models are executed in the same
> > environment. Then environment is copied. The requested controller is
> > executed and the called function is called. The output dict() is added
> > to the copied environment and passed to the view. The output is
> > returned to the visitor.
> > 
> > > 2. How does the following form of passing arguments in Python work:
> > > cache.ram.clear(regex='...')? I come from Java, as I understand regex
> > > is some kind of an optional value to be passed?
> > 
> > regex is any regular expression. All keys in the cache matching the
> > regular expression are deleted from the cache.
> > 
> > > 3. How do the layouts work (layout as a pattern that is being used in
> > > the views)?  I tried to do the following, which sometimes works and
> > > sometimes not, providing errors: remove the {{extend 'layout.html'}}
> > > from some view, i.e. "myview.html" and add {{include "myview.html"}}
> > > into a second view. Mainly, it works, but when I try to remove
> > > {{extend 'layout.html'}} from "default/user.html" and add {{include
> > > 'default/user.html'}} into "index.html", it fails. Why, and how to do
> > > it properly?
> > 
> > Think of a tree. Each node is an HTML file. You move up by calling
> > extend. You move down by calling include. The parent should have a
> > simple {{include}} not {{include "child.html"}} where the extending
> > child is to be inserted. This is in the book in some detail.
> > 
> > > 4. I understood that in order to manipulate my database from GAE, I
> > > need to index my tables. Where can I find information about indexing
> > > and what is it?
> > 
> > You only need this for speed. You have to do this in sql
> > 
> > db.executesql("....")
> > 
> > > 5. While uploading my app into GAE, I find the example entries inside
> > > my online GAE app. Why is that and how to prevent it?
> > 
> > I am not sure I understand this question.

Reply via email to