Thanks! I'd be glad to get help about the last two issues I
described.
On Feb 4, 7:43 pm, Kenneth Lundström <kenneth.t.lundst...@gmail.com>
wrote:
> 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.
