Re: [web2py] Re: standalone templates

[Carlos Cesar Caballero Díaz]

Nothing, but I was looking for a way that the user could directly call 
render and pass his own arguments and render the template with some 
objects passed to the environment by default. But don't worry, now I 
have included the possibility to use more than one template engine, so I 
will make some kind of wrapper function and include the defaults.


Greetings.

El 28/1/19 a las 11:14 a.m., Anthony escribió:
On Monday, January 28, 2019 at 8:45:53 AM UTC-5, Carlos Cesar 
Caballero wrote:


Hi Antony, Thanks. I am experimenting with the Massimo idea of a
bottle based framework using web2py components, And I was looking
if there was an equivalent of the jinja2 "Environment.globals".
The code is in https://github.com/daxslab/ron


Looks like you're using the render() function, so what's wrong with 
using the "context" argument to add globals to the template execution 
environment?


Anthony
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Re: [web2py] Re: standalone templates

[Anthony]

On Monday, January 28, 2019 at 8:45:53 AM UTC-5, Carlos Cesar Caballero 
wrote:
>
> Hi Antony, Thanks. I am experimenting with the Massimo idea of a bottle 
> based framework using web2py components, And I was looking if there was an 
> equivalent of the jinja2 "Environment.globals". The code is in 
> https://github.com/daxslab/ron
>

Looks like you're using the render() function, so what's wrong with using 
the "context" argument to add globals to the template execution environment?

Anthony

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Re: [web2py] Re: Dont allow delete specific records in grid

[Carlos Cesar Caballero Díaz]

Thanks a lot Antony, that's exactly what I need.

Greetings.

El 28/1/19 a las 8:22 a.m., Anthony escribió:

You might find this helpful: https://stackoverflow.com/a/54200430/440323

Note, using the deletable argument in this case could be a bit 
inefficient because it will need to do a database select for each row 
in the grid to determine if there are any children. I suppose you 
could instead do a single join query before creating the grid to fetch 
the same set of records along with a count of any children and then 
just do a lookup in that local Rows object from the deletable function.


Anthony

On Sunday, January 27, 2019 at 12:55:04 PM UTC-5, Carlos Cesar 
Caballero wrote:


Hi, is possible to don't allow deleting specific records in the grid?

Basically, I have a one to many relation "parent has childs", but
it is
in cascade mode and I can't change it, so, I need to forbid
deleting of
parent records who has childs.


Greetings.


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Re: [web2py] Re: standalone templates

[Carlos Cesar Caballero Díaz]

Hi Antony, Thanks. I am experimenting with the Massimo idea of a bottle 
based framework using web2py components, And I was looking if there was 
an equivalent of the jinja2 "Environment.globals". The code is in 
https://github.com/daxslab/ron


Greetings.



El 28/1/19 a las 8:16 a.m., Anthony escribió:
Can you show some code or describe in more detail what you are trying 
to do?


If you are using the render() function from gluon.template, note that 
it takes a context argument, which is a dictionary used to generate an 
execution environment. You can do:


|
ENV ={
'var1':'value 1',
'var2':'value 2'
}

output =render(filename='mytemplate.html',context=ENV)
|

In the template, you can then reference var1 and var2 (e.g., {{=var1}}).

If you want to create an environment similar to the web2py 
environment, have a look 
at https://github.com/web2py/web2py/blob/cef31f127796c638753297235f4e886f6a9e5410/gluon/compileapp.py#L387-L450 
to see how web2py sets up its environment.


Anthony

On Wednesday, January 23, 2019 at 8:09:34 AM UTC-5, Carlos Cesar 
Caballero wrote:


Hi guys, I am using the web2py templates in a side project and I
want to
include some variables in the environment by default, something
like how
helpers, request and response are included in the framework, but I
can't
find how this is done. Any idea?

Greetings.


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[web2py] Re: Dont allow delete specific records in grid

[Anthony]

You might find this helpful: https://stackoverflow.com/a/54200430/440323

Note, using the deletable argument in this case could be a bit inefficient 
because it will need to do a database select for each row in the grid to 
determine if there are any children. I suppose you could instead do a 
single join query before creating the grid to fetch the same set of records 
along with a count of any children and then just do a lookup in that local 
Rows object from the deletable function.

Anthony

On Sunday, January 27, 2019 at 12:55:04 PM UTC-5, Carlos Cesar Caballero 
wrote:
>
> Hi, is possible to don't allow deleting specific records in the grid? 
>
> Basically, I have a one to many relation "parent has childs", but it is 
> in cascade mode and I can't change it, so, I need to forbid deleting of 
> parent records who has childs. 
>
>
> Greetings. 
>
>
>

-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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[web2py] Re: standalone templates

[Anthony]

Can you show some code or describe in more detail what you are trying to do?

If you are using the render() function from gluon.template, note that it 
takes a context argument, which is a dictionary used to generate an 
execution environment. You can do:

ENV = {
'var1': 'value 1',
'var2': 'value 2'
}

output = render(filename='mytemplate.html', context=ENV)

In the template, you can then reference var1 and var2 (e.g., {{=var1}}).

If you want to create an environment similar to the web2py environment, 
have a look 
at 
https://github.com/web2py/web2py/blob/cef31f127796c638753297235f4e886f6a9e5410/gluon/compileapp.py#L387-L450
 
to see how web2py sets up its environment.

Anthony

On Wednesday, January 23, 2019 at 8:09:34 AM UTC-5, Carlos Cesar Caballero 
wrote:
>
> Hi guys, I am using the web2py templates in a side project and I want to 
> include some variables in the environment by default, something like how 
> helpers, request and response are included in the framework, but I can't 
> find how this is done. Any idea? 
>
> Greetings. 
>
>
>

-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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