[web2py] Add custom class to...

[lyn2py]

I am using SQLFORM.grid and I need to wrap a big chunk of text (one of the 
data elements) in a CSS class called "big-chunk".

I remember it wasn't hard to add a CSS class to a dal field, but I can't 
seem to find the solution.

I tried this method:

db.define_table('table', 
Field('combitext', 'text', represent=lambda x,row: XML(+x+) ),
),

This works great except, when displaying the full grid, the text-heavy 
field would be output in a whole big chunk. Appadmin also displays the 
whole text when in table format.

I tried to limit the number of characters using maxtextlengths in 
SQLFORM.grid but it isn't working either (whole chunk of text appears). I 
know that from this experience it proves that db.table.field.represent will 
ensure that it will appear the way you want it to, but I only need it to 
appear like that when I click on "VIEW" on the grid.

Note: I need to wrap the value of the text output (in view mode) in a 
class, I do *not* need to add a class to a form field. thanks

I appreciate any help.

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Re: [web2py] Anchor callback option and form submit

[Riccardo Ceccarelli]

Thank you very much, I'll try it later.

On Monday, November 4, 2013, Anthony wrote:

>
> A('mypage', _href=URL('myfunction'), target='myID')
>>
>
> Shouldn't above be:
>
> A('mypage', component=URL('myfunction'), target='myID')
>
>
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[web2py] Re: upgraded to 2.7.4 no admin ui

[Lewis]

Found the reference to the 2.61 changes.  I copied appadmin from welcome to 
my two applications, likewise web2py.js (into static/js).  I copied 
wsgihandler.py from the handlers directory.

This did not fix anything.  And really didn't do anything as I started from 
a fresh install from sources.

No, there is something that the uwsgi config just doesn't track--something 
is missing from the new web2py file structure that must be hardcoded in the 
"classic" uwsgi config.

There are so many approaches to configuring uwsgi that can be used 
concurrently, which are scattered into multiple locations, that I cannot 
tell what actually governs what happens.  This is the web2py.xml file but I 
have no idea if this is really doing anything:

python
/run/uwsgi/app/web2py/web2py.socket
/var/web2py/

wsgihandler


4
60
8
1
/tmp/stats.socket
2000
512
256
192





This might be the governing nginx config for the web2py server:

server {
listen  80;
server_name $hostname;
location ~* /(\w+)/static/ {
   root /var/web2py/applications/;
}
 location / {
#uwsgi_pass  127.0.0.1:9001;
uwsgi_pass  unix:///run/uwsgi/app/web2py/web2py.socket;
include uwsgi_params;
uwsgi_param UWSGI_SCHEME $scheme;
uwsgi_param SERVER_SOFTWAREnginx/$nginx_version;
}
}

server {
listen  443;
server_name $hostname;
ssl on;
ssl_certificate /etc/nginx/ssl/web2py.crt;
ssl_certificate_key /etc/nginx/ssl/web2py.key;
location / {
#uwsgi_pass  127.0.0.1:9001;
uwsgi_pass  unix:///run/uwsgi/app/web2py/web2py.socket;
include uwsgi_params;
uwsgi_param UWSGI_SCHEME $scheme;
uwsgi_param SERVER_SOFTWAREnginx/$nginx_version;
}

}

I am still stumped.

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[web2py] upgraded to 2.7.4 no admin ui

[Lewis]

Upgraded to 2.7.4 (from 2.5.3 I think...) two different ways:

1) used the upgrade in place feature (yes, experimental but it has worked 
several times before--thank you for that!).  The apps ran but I could not 
get into admin.  I could do some of appadmin--database views, but design 
would not work.  Later, appadmin also stopped working.
   NEWINSTALL was never replaced.
   The error is not very informative:
Internal errorTicket issued: 
admin/98.247.169.56.2013-11-04.06-14-45.aaa6fb9b-c14e-443e-afc4-cf32bef55e3b
Clicking on the ticket just generates another ticket (of course, because 
the tickets are shown in the admin interface...).

2. I upgraded a second time by creating a clean web2py install from sources 
and then copied over key files and directories from the old version (now, 
unfortunately altered by the upgrade in place):
  2 of my applications--entire directories
  routes.py
  parameters_443.py
  scgihandler.py   (wonder if I got an old version of this file--would 
it matter?)
  __init__.py (it's empty--really just need the file name there for 
python to load web2py)
 There is no wsgihandler.pyc file in the web2py directory for this 
version, suggesting it's never been run--I thought that wsgihandler.py is 
what uwsgi uses to start the python process...

This second approach doesn't work at all.  Obtain the dreaded:

uWSGI ErrorPython application not found

I never touched the nginx or uwsgi configs.  I have really totally 
forgotten how.  I hope I never have to do it again.  It's just such a mess 
of inter-related config files in different syntaxes scattered all over the 
file system.

The way I switch back and forth between the 2 configs of web2py is by 
renaming the web2py directory.  I stop nginx and uwsgi.  Then start uwsgi 
and nginx (in that order).  It's hard to say that the directory renaming 
hack causes the problem.  The upgrade-in-place version always runs (after 
the stop and start); but the 2nd config never runs.  It seems like a 
crucial file is missing from default file structure of 2.7.4--which is 
there when upgrading in place, but not with a clean install.  I just 
can't figure out what the critical file is. 

---
As usual, I am stumped by config.  I wish someone would write a python, not 
bash, script that fully installed web2py and all of its dependencies in the 
optimal way.  There are a lot of variations that don't seem to produce 
benefits.  Really important functional differences (as opposed to style 
such as whether configuring uwsgi with ini, xml, or other files) could be 
part of a SMALL list of parameters.


Happy to provide any samples of config files if you can point me to where 
they are.

- Lewis


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[web2py] Re: Anchor callback option and form submit

[Anthony]

> A('mypage', _href=URL('myfunction'), target='myID')
>

Shouldn't above be:

A('mypage', component=URL('myfunction'), target='myID')


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[web2py] Re: view says that a variable defined in controller does not exist

[Massimo Di Pierro]

def add_student_to_session():
form = SQLFORM.factory(Field('admission_number', requires=IS_NOT_EMPTY
())).process()
if form.accepted:
student = None
student_details = None
admission_number = form.vars.admission_number
row = db.student(db.student.admission_number==admission_number)
if not row:
session.flash ='Admission number does not exist. Please check 
and retry.'
redirect(URL(r=request, f='add_student_to_session'))
else:
db.school_session.admission_number.writable = False
db.school_session.admission_number.default = admission_number
form = crud.create(db.school_session)
student = db.student(row.id)
student_details = SQLFORM(db.student, student, readonly=True)



On Saturday, 2 November 2013 21:44:30 UTC-5, Rupesh Pradhan wrote:
>
> Please give a suggestion too.
>

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[web2py] Re: Prevent user from modifying a form field that already has a default value

[Massimo Di Pierro]

student = db.student(row.id)
db.student.admission_number.readable = False
form = SQLFORM(db.student, student, readonly=True)


On Saturday, 2 November 2013 21:43:07 UTC-5, Rupesh Pradhan wrote:
>
> Model
> db.define_table('student',
> Field('admission_number', 'integer', notnull=True, unique=True),
> Field('name', 'string', length=255, notnull=True))
>
> Controller
> student = db.student(row.id)
> form = SQLFORM(db.student, student, readonly=True)
>
>
> All the three fields of the table show up when I display the form. What do 
> I have to do to make just the 'name' field show up?
>
>

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Re: [web2py] Re: Documentation of the date time picker from dynarch, version 1.0

[Martin Weissenboeck]

Thank you - this will help!
By the way: is there any full description for this program?



2013/11/3 Paolo Caruccio 

> In order to translate the text in the calendar you could adapt the
> attached calendar-en.js.As an example you will find here also attached
> calendar-it.js (italian translation)
> Put the translation file in application/static/js folder.
> In layout.html after (I would suggest just before  tag)
>
> {{include 'web2py_ajax.html'}}
>
> write
>
> 
>
> of course you have to replace calendar-it.js with the name of your
> translation file.
>
> If you would like apply the translation file according to browser language
> you could write in layout.html :
>
> {{calang = T.accepted_language or 'en'
> response.files.append(URL('static','js/calendar-%s.js' % calang))
> }}
>
> just before
>
> {{include 'web2py_ajax.html'}}
>
> In this case if the translation file doesn't exist then will be applied
> the english translation.
> Anyway, calendar-en.js is not necessary because calendar.js contains
> already the english terms.
>
>
>
> Il giorno domenica 3 novembre 2013 20:02:39 UTC+1, mweissen ha scritto:
>
>> datetime uses the Dynarch date Time Picker version 1.0
>> But the website www.dynarch.com/projects/calendar is down - does anybody
>> know where to find the documenation for version 1.0?
>>
>> I want to translate the names of the months,...
>>
>> Regards Martin
>>
>  --
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[web2py] Re: Anchor callback option and form submit

[Niphlod]

the callback argument is not meant to load a fragment and keep it like a 
component (meaning, trapping all links, form submissions, redirections etc. 
in that fragment).
callback was meant instead to either click on a button and show the result 
in a fragment (i.e. "action completed") and/or click a button to remove an 
element from the page (i.e. remove a line from a table).

For a "component-like" behaviour, please use
A('mypage', _href=URL('myfunction'), cid='myID')
or the equivalent
A('mypage', _href=URL('myfunction'), target='myID')

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[web2py] Re: Access to server variables from within javascript

[Anthony]

You can use the web2py template syntax within your JS code, just as within 
HTML:

if ({{=results.update_form.custom.dspval.id}} != null){

Above we have the web2py template delimiters, {{...}}, within the JS code.

Anthony

On Sunday, November 3, 2013 2:45:26 PM UTC-5, david.waldrop wrote:
>
> Niphlod thanks for the quick reply.
>
> I was heading down that path.  
>
> I added the following in the viewcode
>
> {{res=results}}
>
> with the hopes of being able to reference res form javascript.  But have 
> not figured it out just yet.  Is this the common way to get access to the 
> server/template info form within javascript?
>

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[web2py] Anchor callback option and form submit

[Riccardo C]

Good evening,

I've just discovered the possibility to use in the view of the callback 
option when we want to create a link, e.g. {{=A('mypage', 
callback(URL='myfunction'), target='myID'). I found it really useful for 
not loading a new page again. The problem is that the callback calls a 
function that return a simple form that is correctly shown inside that div 
but when i press the 'submit' button... the page refresh, but nothing 
happen on the db. Basically nothing is register.

What am I doing wrong? I am not really interested in fixing this specific 
problem rather to understand how it works and what I didn't get.

Regards,

Riccardo

P.S. I attach the code if it might help:
def addPet():
db.pet.owner_id.readable = False
db.pet.owner_id.writable = False
db.pet.owner_id.default = auth.user.id
form = crud.create(db.pet, onaccept=lambda form: testAnotherFunction(
form.vars.id), next=URL('welcome'), message='The pet has been added')
return dict(form = form)

IN THE VIEW WELCOME.HTML
...
{{=A('Add a Pet', callback=URL('addPet'), target="MainContent" )}} 
...

Replace the content
 


ADDAPET.HTML


{{=form}}





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[web2py] Re: Access to server variables from within javascript

[david.waldrop]

Niphlod thanks for the quick reply.

I was heading down that path.  

I added the following in the viewcode

{{res=results}}

with the hopes of being able to reference res form javascript.  But have 
not figured it out just yet.  Is this the common way to get access to the 
server/template info form within javascript?

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[web2py] Re: Access to server variables from within javascript

[Niphlod]

It's kind of the foundation of any template language to have some sort of 
delimiter to import variables and such : anything you need to use in the 
view coming from something that was on the controller MUST be "called" with 
{{=something}}. 

On Sunday, November 3, 2013 8:10:19 PM UTC+1, david.waldrop wrote:
>
> How can I access the web2py object passed to the view with Javascript.
>
> For example, I am trying to use jquery to retrieve some additional data 
> for the current record being edited.  
> When i try and invoke the jquery call passing the id of the edited record, 
> i.e. results.update_form.custom.dspval.id I am unable to reference it in 
> javascript, but can using the templaye language (i.e. {{print 
> results.update_form.custom.dspval.id}}.
>
> Here is the jquery call:
>
>   $().ready(function(){
>   console.log('--- all is loaded  ' + Date());
>   console.log('+++');
>   if (results.update_form.custom.dspval.id != null){
> jQuery.getJSON("{{=URL("get_days",args=[
> results.update_form.custom.dspval.id])}}",
> function(msg){
> console.log('got some data')
> console.log(msg);
> })
>   }
>
>
>
>
> I am useing firebug and tried to inspect the dom to find but am unable to 
> do so.
> Any help would be appreciated as I bang my head against the wall trying to 
> figure out this front end development. 
>

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[web2py] Access to server variables from within javascript

[david.waldrop]

How can I access the web2py object passed to the view with Javascript.

For example, I am trying to use jquery to retrieve some additional data for 
the current record being edited.  
When i try and invoke the jquery call passing the id of the edited record, 
i.e. results.update_form.custom.dspval.id I am unable to reference it in 
javascript, but can using the templaye language (i.e. {{print 
results.update_form.custom.dspval.id}}.

Here is the jquery call:

  $().ready(function(){
  console.log('--- all is loaded  ' + Date());
  console.log('+++');
  if (results.update_form.custom.dspval.id != null){

jQuery.getJSON("{{=URL("get_days",args=[results.update_form.custom.dspval.id])}}",
function(msg){
console.log('got some data')
console.log(msg);
})
  }




I am useing firebug and tried to inspect the dom to find but am unable to 
do so.
Any help would be appreciated as I bang my head against the wall trying to 
figure out this front end development. 

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[web2py] Documentation of the date time picker from dynarch, version 1.0

[Martin Weissenboeck]

datetime uses the Dynarch date Time Picker version 1.0
But the website www.dynarch.com/projects/calendar is down - does anybody
know where to find the documenation for version 1.0?

I want to translate the names of the months,...

Regards Martin

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Re: [web2py] aplicação com calculo de campos

[Hermano Ponce]

Valeu Diogo. Já procurei por ali. Web2py é muito ágil e bom pra algumas
coisas mas tem suas limitações. Estou a procura de App tipo estoque de
produtos. Mesmo valeu e estamos aí.
Em 03/11/2013 10:37, "Diogo Munaro"  escreveu:

> Oi Hermano, tem alguns exemplos aqui de aplicações:
> http://www.web2py.com/appliances
>
> Veja o que mais se parece com o que deseja.
>
> Abraços!
>
>
> Em 2 de novembro de 2013 17:00, Ovidio Marinho escreveu:
>
>> Hermano boa tarde faz isso no python:
>>
>> >>>a =0
>> >>>b =1
>> >>>c=2
>> >>>a=b+c
>>
>> e ve o resultado.
>>
>>
>>
>>
>>  Ovidio Marinho Falcao Neto
>>   ITJP.NET.BR
>>  ovidio...@gmail.com
>>  Brasil
>>
>>
>>
>> 2013/11/2 Hermano Ponce 
>>
>>> Alguém pode disponibilizar uma app que tenha cálculos entre campos. por
>>> exemplo: campo A * campo B = campo C oucampo A + campo B = campo C.
>>> App tipo estoque de produtos.
>>> Quero somente um exemplo da aplicação.
>>>
>>>  --
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>>> - 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: How to use response.flash() to inform user about current status of a process

[Niphlod]

response.flash is used to set a fixed content into the layout.html
This happens to be a  in the scaffolding app.
That being said, you can't update the contents without refreshing the page, 
and / or using ajax. 
The implementation relies entirely on how your app works (i.e. how the page 
fetches the "progress" of the "process steps").
web2py.js has a js function to update the contents of the flash message and 
to display it (because usually it's hidden).
try 
$.web2py.flash(message, status)

it will insert "message" into the flash and add "status" classes to the 
corresponding div.




On Sunday, November 3, 2013 1:37:26 PM UTC+1, Andreas Wienes wrote:
>
> Hello,
>
> I try to use response.flash() to inform my users whats happening on my 
> website. Is there a way to quick update the displayed message?
>
> Example:
> User clicks on a button, response.flash() informs about the start of a 
> process.
> The user waits, response.flash() informs about several process steps and 
> after the process has finished, the response.flash() informs about the 
> result of the process.
>
> Or is there a better way instead using response.flash()
>
> Best regards
> - Andreas
>

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Re: [web2py] how do i return several rows from json using ajax?

[Mihir Lade]

still encounter the same error message..

SyntaxError: JSON.parse: unexpected character

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[web2py] Re: how show images from side sites?

[Anthony]

>
> {{ = XML('' % 'https://some_url/image01.jpg') ) }}
>

The above code is fine, except there is an extra ")" at the end. Another 
option is to use the IMG helper:

{{=IMG(_src='https://some_url/image01.jpg')}}

https://money.yandex.ru/i/shop/mosenergosbut.gif
>

If you are wondering why the above image in particular doesn't show up when 
you attempt to display it with an img tag, they are probably using some 
mechanism to prevent 
hotlinking(e.g., they check the 
HTTP_REFERER header and return a 302 not found error 
when external sites attempt to load the image). If you want to display the 
image (and doing so is not prohibited by copyright), you will have to 
download the image and serve it yourself.

Anthony 

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[web2py] Re: Downloading files from the disk using the path specfied in the db

[Anthony]

You can use response.stream (see 
http://web2py.com/books/default/chapter/29/04/the-core#response).

Anthony

On Saturday, November 2, 2013 11:33:44 PM UTC-4, Sarbjit wrote:
>
> I have a model which is having a field having the path of the file (could 
> be of big size) and is present outside the web2py folder. In the web2py 
> book, examples given for downloading files are specific to files uploaded 
> or in the static folder.
>
> Can some one please provide me an example of how to serve this?
>
> example of download controller :
>
> def download():
> dbid = request.args(0,cast=int)
> filePath= str(db(db.person.id==dbid).select()[0].DataPath)
> print filePath
>
>
>
>

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Re: [web2py] aplicação com calculo de campos

[Diogo Munaro]

Oi Hermano, tem alguns exemplos aqui de aplicações:
http://www.web2py.com/appliances

Veja o que mais se parece com o que deseja.

Abraços!


Em 2 de novembro de 2013 17:00, Ovidio Marinho escreveu:

> Hermano boa tarde faz isso no python:
>
> >>>a =0
> >>>b =1
> >>>c=2
> >>>a=b+c
>
> e ve o resultado.
>
>
>
>
>  Ovidio Marinho Falcao Neto
>   ITJP.NET.BR
>  ovidio...@gmail.com
>  Brasil
>
>
>
> 2013/11/2 Hermano Ponce 
>
>> Alguém pode disponibilizar uma app que tenha cálculos entre campos. por
>> exemplo: campo A * campo B = campo C oucampo A + campo B = campo C.
>> App tipo estoque de produtos.
>> Quero somente um exemplo da aplicação.
>>
>>  --
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[web2py] Re: Ticket issued: unknown after upgrade to 2.7.4 from 2.4.6 and running on GAE SDK

[David Manns]

I plan to start with a clean 2.7.4 distribution and re-integrate my 
application. Hopefully this will solve the problem.

On Thursday, October 31, 2013 4:52:42 PM UTC-4, David Manns wrote:
>
> Running standalone in the web2py dev environment, errors produce good 
> tickets.  However, when running in the GAE SDK, all I get is "Ticket 
> issued: unknown". 
>
> I have done these things that I found in the users group:
>
>  Attention all users: For pre 2.6 applications to work with web2py 
> >=2.6, you must copy static/js/web2py.js, controllers/appadmin.py, and 
> views/appadmin.html from the welcome app to your own apps (all of them).
>
>  Attention production users: The updated handlers and examples are in 
> handlers/ and examples/. The updated ones will not override the existing 
> ones. To use the new ones it is not sufficient to upgrade web2py, you also 
> need to copy the desired handler/example in the root web2py/ folder.
>  Attention all users: For pre 2.6 applications to work with web2py 
> >=2.6, you must copy static/js/web2py.js, controllers/appadmin.py, and 
> views/appadmin.html from the welcome app to your own apps (all of them).
>
>  Attention production users: The updated handlers and examples are in 
> handlers/ and examples/. The updated ones will not override the existing 
> ones. To use the new ones it is not sufficient to upgrade web2py, you also 
> need to copy the desired handler/example in the root web2py/ folder.
>
> What else do I need to do?
>
>
>
>

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[web2py] How to use response.flash() to inform user about current status of a process

[Andreas Wienes]

Hello,

I try to use response.flash() to inform my users whats happening on my 
website. Is there a way to quick update the displayed message?

Example:
User clicks on a button, response.flash() informs about the start of a 
process.
The user waits, response.flash() informs about several process steps and 
after the process has finished, the response.flash() informs about the 
result of the process.

Or is there a better way instead using response.flash()

Best regards
- Andreas

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Re: [web2py] Aplicação Estoque

[Ovidio Marinho]

http://www.stoq.com.br/ (feito em python gtk para desktop)
https://github.com/mdipierro/web2py-appliances/tree/master/PosOnlineStore(feito
em web2py)
http://custom.sourceforge.net/ ( Implementar em linux , roda com
debian+Mysql+python
https://www.openerp.com/ ( baixar e estudar o modulo estoque)

dica se vc quiser implementar isto no web2py estude a parte de estoque de
entrada e saidas e ai vc consegue, outra boa dica seria analisar as bases
de dados de um sistema de estoque.

http://www.las.pucpr.br/mcfmello/BD/BD-Aula02-MER.pdf
http://www.si.lopesgazzani.com.br/TFC/monografias/TRABALHO_FINAL_CURSO-final1.pdf

Mão na massa e boa sorte.






 Ovidio Marinho Falcao Neto
  ITJP.NET.BR
 ovidio...@gmail.com
 Brasil



2013/11/1 Hermano Ponce 

> I do not know if I'm asking the right question, but I wonder if anyone has
> a model of an application type product inventory, where there are
> calculations in the fields of the table being shown in the view. who can
> send me. Thank you.
>
> Não sei se estou fazendo a pergunta correta, mas gostaria de saber se
> alguém tem um modelo de uma aplicação tipo estoque de produtos, onde haja
> cálculos nos campos da tabela sendo mostrada na view, que possa me enviar.
> Obrigado.
>
> --
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[web2py] how show images from side sites?

[Copper Lark]

I save a image source url  in my db
and how I may show this image on my page?

{{ = XML('' % 'https://some_url/image01.jpg') ) }}
this not work (

if I try ths url in browser - it showed

for example
https://money.yandex.ru/i/shop/mosenergosbut.gif

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Re: [web2py] how do i return several rows from json using ajax?

[Ricardo Pedroso]

Try change the response content-type, see below:


On Sun, Nov 3, 2013 at 6:28 AM, Mihir Lade  wrote:

> hi,
>
> i have a function in a controller which queries the database if the user
> is logged in and then grabs the information using json (as below)
>
> def pruchaseHistoryJson():
> if auth.user:
> rows = db(db.sale.auth_id == auth.user.id
> ).select(db.sale.title,
>  db.sale.price,
>  db.sale.shipping_address,
>  db.sale.shipping_state,
>  db.sale.shipping_city,
>  db.sale.shipping_zip_code)
> else:
> redirect(URL('default', 'user/login'))
>
>

response.headers['Content-Type'] = 'application/json'




> import  gluon.contrib.simplejson as json
> prodHistory = json.dumps([{'name': i.title,
>'prodValue':i.price,
>'shipAdd':i.shipping_address,
>'shipCity':i.shipping_city,
>'shipState':i.shipping_state,
>'shipCode':i.shipping_zip_code} for i in
> rows])
> return prodHistory
>
>
Also note that json top level arrays are not recommended:

  http://haacked.com/archive/2009/06/25/json-hijacking.aspx

http://security.stackexchange.com/questions/7001/how-should-web-app-developers-defend-against-json-hijacking

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