Template - counter for if loop

[jai_python]

I need to show the heading only one time when forloop executed along
with if-loop;
example:
-
data.html
--

{% for val in data %}
 {% ifnotequal val 2 %}
 My Heading
 {{val}} 
 {% endifnotequal  %}
{% endfor %}

Input

data=[1,2,3,4,5,2,6]

Excepted Out put:
---

My heading
1
3
4
5
6

Here "My Heading" shouldn't repeat and it should occur one time. We
can't use forloop.counter/first, since we have a if-loop condition .

Pl let me know how to implement it.

Thanks & Regards,
Jai

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Re: how to implement a data grid? (or populate inlineformset with initial data)

[jai_python]

Hi,
Long back i had used Dojo data grid, plz go through my blog
http://jayapal-d.blogspot.com/2009/08/dojo-datagrid-with-editable-cells-in.html

I am sure that we can do with jquery.

Lemme know if u required any help.

Thanks,
Jayapal

On May 31, 6:39 am, snfctech  wrote:
> I want to display a list of records that have some editable fields and
> some readonly fields, as well as asynchronously add new records to the
> list.  I thought the way to start would be with an InlineFormSet - but
> I can't figure out how to populate my formset with initial data.  E.g.
> MyInlineFormset(queryset=myquery.all()) or
> MyInlineFormset(data=myquery.vales()) doesn't do the trick.
>
> Can someone steer me in the right direction?
>
> Thanks.

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Django persistent database(postgres) connection.

[jai_python]

Hi friends,
My django application runs in red hat server  with apache &
mod_wsgi. We have several request which interacts with
database(postgresql), so database interaction is huge. i found that
every time django application establishing a new connection to
interact with DB. So my server hanging often due to large number of DB
connection (approximately some 200-250 connection/minute, it may
increase gradually)
Its very urgent. Hope I will get support here
Thanks for looking my thread.


Thanks & Regards,
Jayapal D

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Django interactive shell shows invalid datetime

[jai_python]

Dear friends,
I am just wondering how comes django interactive shell shows
wrong datetime. I.e my system correct time (python shell) shows  print
datetime.datetime.now() --> ``2010-08-09 00:44:33.439732``  and django
interactive shell shows wrong time  print datetime.datetime.now()-->
``2010-08-09 10:13:47.457335``. So almost 10 hours greater than the
current time. How comes its possible ? How can I solve this?

Thanks for spending time to reading my issue..

Jayapal D

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change database schema ``Public``

[jai_python]

HI friends,
 How can we change the database schema ``Public`` to ``MySchema``.
Default syncdb will create tables in public schema. How can i change
it?


Thanks & Regards,
Jayapal D

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Re: Search by omitting special characters

[jai_python]

HI Leepy,
 Even am also got stuck with the same issue. Did you find any
solution? I want to search content inside TEXTFEILD without any
condition like (comma, line break, space)Can anyone here to help me
out to solve this issue.

Thanks & Regards,
Jai Python

On Nov 23, 4:15 pm, leppy  wrote:
> Hi all,
>
> I have a TextFeild() in my application for storing addresses. It
> contains address as comma separated, or space separated, or with
> linefeed characters. When I try to search the field using 'icontains'
> by giving address as comma separated value, I am getting a null query
> set.
>
> I am getting address from requested url as 'testing, testing 1,
> testing 2.'
>
> i.e.,
>
> >>> ModelName.objects.filter(address__icontains=  'testing, testing 1, 
> >>> testing 2.')
> >>> []
>
> Getting [] since the address is being stored in the model  as
> u'testing,\r\ntesting 1,\r\ntesting 2.'
>
> How can I search address by omitting some special characters such as
> '\r\n', ',' etc. since I'm not sure how end users will add data via
> django admin page.
>
> Thanks in advance,
> Leppy.

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Re: redirect or reload page after pdf file generation.

[jai_python]

I save the response content in pdf file and then page will be
redirected and pdf file will be called on page onload

Thanks
Jai

On Nov 3, 11:10 am, Jani Tiainen <rede...@gmail.com> wrote:
> jai_python kirjoitti:
>
>
>
> > Hello every one,
>
> > I have a form which contains group of data and I can select some of
> > them to take pdf file.  When I submit the form, it returns pdf file
> > which contains the selected data. But i need to redirect or reload the
> > present form after pdf file has been generated inorder to remove
> > previous entry(i.e data included in the pdf file ) . Here goes my
> > source
>
> > def getPDF(request):
> >       if not request.POST:
> >                return to html form page
> >       response = HttpResponse(mimetype='application/pdf')
> >       #some content will be added to response with the use REPORTLAB
> >       return response# will return pdf
>
> > This response will sent an pdf file to client side. same time i want
> > to reload or refresh after pdf file generation.
>
> I don't think that such a mechanism exists in HTTP protocol so what
> you're asking might not be really possible.
>
> With little JS (ajax iframe download) you can achieve that kind of
> refresh like functionality. But it relies on ajax functionality.
>
> --
> Jani Tiainen
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redirect or reload page after pdf file generation.

[jai_python]

Hello every one,

I have a form which contains group of data and I can select some of
them to take pdf file.  When I submit the form, it returns pdf file
which contains the selected data. But i need to redirect or reload the
present form after pdf file has been generated inorder to remove
previous entry(i.e data included in the pdf file ) . Here goes my
source

def getPDF(request):
  if not request.POST:
   return to html form page
  response = HttpResponse(mimetype='application/pdf')
  #some content will be added to response with the use REPORTLAB
  return response# will return pdf

This response will sent an pdf file to client side. same time i want
to reload or refresh after pdf file generation.


Thanks & Regards,
Jai
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inlineformset_factory multiple models error.

[jai_python]

Hie I am using formset for edit details belonging to a particular
ticket. But when I used the below function , I am getting error as
follows.

Models
---
class Ticket(models.Model):
ticket_id = models.AutoField("ID", primary_key=True)
title = models.CharField("Ticket title", max_length=50)

class Comment(models.Model):
ticket_id = models.ForeignKey(Ticket)
comment = models.TextField(max_length=500)

class Attachment(models.Model):
ticket_id = models.ForeignKey(Ticket)
attach_title = models.CharField("Title", max_length=30,
blank=True, null=True)

Views
--
def edit(request, ticket_id):
   ticket = get_object_or_404(Ticket, pk=ticket_id)
TickFomset=inlineformset_factory(Ticket,Comment,Attachment)# error
arise in this line.
formset=TickFomset(instance=ticket)

Error:


TypeError: metaclass conflict: the metaclass of a derived class must
be a (non-strict) subclass of the metaclasses of all its bases


Please help me to fix this issue.
Thanks in advance.


Jayapal
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Invoke Django admin list filter

[jai_python]

Hi Friends. Can any one help me to implement or invoke Django default
admin list filter in our own application.

Thanks in advance,
Jayapal D
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Dynamic upload paths Based on object

[jai_python]

I want to create Dynamic Upload Path for my models as follows.

Models.py.
---
class Books(models.Model):
no=models.IntegerField()

class Collection(models.Model):
Page=models.ForeignKey('Books')
image=models.ImageField(upload_to='Book_Media')
def save(self):
for field in self._meta.fields:
if field.name == 'image':
field.upload_to = 'Book_Media/'+str(self.Page.no)
super(Collection, self).save()
-

Issue:
-
When ever i upload an image in 'Collection Models', the image is
stored in previous object path.
how can we overcome this ? Or else is there any other solution for
DYNAMIC PATH based on object?

Thanks & Regards,
Jayapal
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django decimal field query issue

[jai_python]

Hie,
  I have a problem in django decimal field query
execution. Here i have explained clearly about my problem.

Model
Class VehicleLocation:
 simno = models.DecimalField(max_digits=10,
decimal_places=0)
 latitude = models.DecimalField(max_digits=25,
decimal_places=16)
 longitude =models.DecimalField(max_digits=25,
decimal_places=16)

Sample data in table:
simnolongitude latitude
  1   4545. 2493386.1000
  2   638936.
2745824.

1.Test.py
--
from decimal import *
def Location(request):
getcontext().prec = 16   # here make decimal precision length as 16
long=Decimal('2745824.')  # here 'long' data type is

VehicleObject=VehicleLocation.objects.get(longitude=long)
print VehicleObject

Ouput:
 I am able to get the vehilcelocation object.
---

2.Error.py
---
from decimal import *
def Location(request):
getcontext().prec = 16   # here make decimal precision length
long=Decimal('2493386.1000 ')  # here 'long' data type is

VehicleObject=VehicleLocation.objects.get(longitude=long)
print VehicleObject

Ouput:
error VehicleLocation matching query does not exist.


Issue:
The issue which i found was when we give any value other than
zero after dot(1.1000), then query always fail. If we give
values  zero after dot(1.) then i am able to  get
output.

How can i overcome this problem?


Thanks & Regards,
Jayapal D
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Database connection object in session

[jai_python]

Hi. Is it possible to add database connection object in session and
handle in different views.

Thanks in advance.
Jayapal
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How can i use "Django Admin" part sortable in my project?

[jai_python]

Hi frenz,   i want to use sortable in my project for sorting datas.
already django admin part has one sortable. can we use(extend) admin
part sortable in our project. if possible, can you please tel me how
can i do
it?


Would be thankful for reply.
Jayapal
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Re: DJango +Appy Framework+ generate pdf and odt file

[jai_python]

No one here to solve my problem :(
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DJango +Appy Framework+ generate pdf and odt file

[jai_python]

Dear all,
I am using POD APPY framework (http://appyframework.org/) for
generating reports in pdf and odt files. i am able to get reports in
odt file using development server. when i tried with pdf reports, i
got an error

ERROR

An error occurred during the conversion. Could not connect to
OpenOffice on port 2002. UNO (OpenOffice API) says: Connector :
couldn't connect to socket (Success).
-
When i googled out this error, i got a solution.

SOLUTION-Run the comman in terminal
--
/usr/lib/openoffice/program/soffice "-
accept=socket,host=localhost,port=2002;urp;"
--
then i am able to get the reports in pdf in development server.

PROBLEM

The problem i am facing is, i have deployed my project in apache with
modpython. i can get the report in odt file with out any problem. but
when i try to get the report in pdf format, i am getting an error

Error is
---
com.sun.star.task.ErrorCodeIOException
---
i have gooogled out to solve this issue, but still i am hanging
with tis error
Can any one help me to solve this problem.
thanks in advance :)

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please help me to solve the anchor tag issue

[jai_python]

Hi..  I want to implement "HELP" in my project. For time being i am
planning to do a general help by including all help contents in the
same html file(say for example-help.html). My application contains
some 10 pages (search page, login page, form submit page, report
page,...etc ) with a Help-Button. When clicking on help button, i want
to show the content in the HELP page regarding the particular page
accessed by the enduser.
Example:
---
help.html file seems to be

{% extends "base.html" %}
{% block content %}

Search
1.
2.
3.
Report
1.
2.
3.
etc.
{% endblock %}
  ---
If a user click help button from the report page, then it should show
the Report section  from the  help.html.
Its just like a anchor tag used to navigate within one page.

Can anyone help me out?
thanks in advance...
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Re: Get values of HTML Select Multiple Tag From request.POST

[jai_python]

thanks for your reply.  I got the solution


On Nov 29, 2:30 pm, "James Bennett" <[EMAIL PROTECTED]> wrote:
> On Sat, Nov 29, 2008 at 3:19 AM, jai_python <[EMAIL PROTECTED]> wrote:
> > Issue that I found out is "The variable 'colour' gets overwritten
> > everytime when the user selects different values". Then how come it is
> > possible that the request.POST shows all selected values. And why am
> > not getting the same when i extract value from the variable 'colour'.
> > Any help would be thankful
>
> A full and complete explanation is available in the Django
> documentation on HttpRequest objects.
>
> --
> "Bureaucrat Conrad, you are technically correct -- the best kind of correct."
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Get values of HTML Select Multiple Tag From request.POST

[jai_python]

HI,
I have a problem in getting values from an HTML SELECT MULTIPLE TAG
through request.POST
--
My form.html page contains



Red
Pink
Black


---
My view file: success.py

print "POST data--->", request.POST
print "Selected Colours--->",request.POST['colour']

--
Output:

POST data--->request.POST 1
-
Issue that I found out is "The variable 'colour' gets overwritten
everytime when the user selects different values". Then how come it is
possible that the request.POST shows all selected values. And why am
not getting the same when i extract value from the variable 'colour'.
Any help would be thankful
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Re: Logout- Back Button

[jai_python]

Any possible to clear browser cache alone using javascript? it ill
help to solve this back button problem.
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Re: parameter not getting passed to view function

[jai_python]

modify ur url as
  (r'^hello/(?P[^/]+\w*)/?', 'swamiji.poll.views.hello')

http://localhost:8000/hello/TEST
then "print who" in ur view file.

Lemme know, if it fails to work.
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Re: Logout- Back Button

[jai_python]

i have tried with Django decorators never_cache and cache_control, but
still facing same issue. its purely based on browser cache.
never_cache decorators say that browser wont get cache, but its
Firefox by default cached all time. Then i googled out to find a
solution to clear cache using javascript, but i dint get any solution
so far. in some forum , members saying that due to security purpose,
we cant clear cache using javascript. so any suggestion to overcome
this problem? if we get a solution, then it would be helpful for
all


Thanks for all replies... :)
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Re: Logout- Back Button

[jai_python]

hi.. i tried with logout_then_login method. But i am still facing that
back button after logout issue.. any other suggestion?
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Re: Logout- Back Button

[jai_python]

thanks alot for your reply. i need to check out this logout_then_login
method. i will update the status after testing.
Thanks
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Re: Logout- Back Button

[jai_python]

But closing browser after logout in not a proper solution for this
issue right? just take gmail as example, after logout from gmail
accont and hit back button, it will prompt to login page, this is one
proper method for secure our data. Does django supports this
methodology ?
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Re: Logout- Back Button

[jai_python]

Please help me out
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Logout- Back Button

[jai_python]

Hi, i have created a project named as Asset and application named as
Management. The problem i am facing is after  i logout form the
project, if i hit the back button it fails to show the login window. I
knew that some browsers don't actually hit the server on a "back". So
can u tel me how to implement "redirect to login page, if i hit back
button after logout." Its very urgent to implement in my project.
would be thank full for replies :)
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How to give a style for "CHOICE FILED" in py file

[jai_python]

class cust_search(forms.Form):
customer_name= forms.CharField(max_length = 255, required = False)
product_id= forms.CharField(max_length = 1, required = False)

date1=forms.DateField(widget=forms.TextInput(attrs={'class':"vDateField"}),required
= False)

date2=forms.DateField(widget=forms.TextInput(attrs={'class':"vDateField"}),required
= False)
group_name=forms.ChoiceField(choices=[("itp","ITP"),("csg", "CSG"),
("nwg","NWG"),("pcis","PCIS"),("serv","SERV"),("swg","SWG"),
("wsg","WSG")],required = False)
I WANT TO GIVE A STYLE FOR CHOICE FILED DATA(swg,wsg)... HW CAN I?
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