Re: Last object of a set?

[watusee]

Thank you Brandon! That worked great.

kind regards,

-raymond

On Sep 3, 10:07 pm, Brandon  wrote:
> You should be able to use the properties of a for loop to get the
> first and last items.
>
> {% for course_part in course.coursepart_set.all %}
>     {% if forloop.first %}
>         {{ course_part.begin_date }}
>     {% endif %}
>
>     {% if forloop.last %}
>        {{ course_part.end_date }}
>     {% endif %}
> {% endfor %}
>
> HTH,
> Brandon
>
> On Sep 3, 11:01 pm, watusee  wrote:
>
> > I'm attempting to get the first and last items in a set inside a
> > django template. The first is no problem:
>
> > {{ course.coursepart_set.all.0.begin_date }}
>
> > but I can't figure out how to get the last item without knowing the
> > length of the set. Is there a way to do this?
>
> > Something like (theoretically):
>
> > {{ course.coursepart_set.all.LAST.end_date }}
>
> > kind regards,
>
> > -raymond
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Cloning/using Django admin without auth_ and django_ database tables?

[Ulf Kronman]

Hi all,

I’m using Django to build an Intranet web interface to a big legacy
database running in a MS SQL Server.
With the help of the code from the guys over at the django_pyodbc
project (http://code.google.com/p/django-pyodbc/) I have managed to
get things working quite well against this “alien” database manager.
In a local copy of the legacy database on my Windows laptop I can
browse and update records, using both my own forms and the admin
interface.

Now I want to move the web interface to an Ubuntu Linux server that is
supposed to act as an Intranet web interface against the MS SQL
database. I have my own forms working for updating from the Linux web
to the MS server, but I would also like to make use of the excellent
Django admin interface for managing data on the server.

The problem I’m facing here is that I’m not in charge of the legacy
database, and I can’t get the rights to install the tables for
authorisation, sessions and content management that the Django admin
interface seems to be dependent on.

I have been fiddling with multi database management with a bit of
luck, (thanks to 
http://www.mechanicalgirl.com/view/multiple-database-connection-a-simple-use-case/
and http://www.eflorenzano.com/blog/post/easy-multi-database-support-django/),
the idea being to have a local PostgreSQL on the Linux box as the
default database for the tables needed by Django admin and switching
over to the MS database for the actual data handling. Browsing and
reading works fine, but I can’t get the multi-db management to work
properly for updating of records on the MS SQL Server. This may be due
to the non-supported code for MS SQL doing non-standard requests or to
my lack of knowledge.

So, my bottom line question is: Is there by chance any way to turn off
authorisation in the Django admin or is there a way I could clone the
functionality of the admin interface and use it without authorisation,
sessions and content management, so that it won’t need to access any
of the auth_ or django_ tables in the database?

Thanks for any of your friendly support,
Ulf

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Getting values set across relation spanning multiple tables

[bvemu]

Hi

I needed a query to get the values set of a model which has multiple
child models like below

class Vehicle(models.Model):
 vehicle_pkey = models.OneToOneField(User, primary_key=True,
parent_link=True)
 vehiclename=models.CharField(max_length=20)

class no_of_tyres(models.Model):
   no_of_tyres_pkey=models.ForeignKey
(Vehicle,related_name='no_of_tyres_relatedname')
   numberoftyres=models.IntegerField()

class brand_name(models.Model):
   brand_name_pkey=models.ForeignKey
(Vehicle,related_name='brand_name_relatedname')
   brandname=models.CharField(max_length=20)

My first question is
Can I get all the details of the models into a single values set like
below
query_which_I_dont_know.values
('username','vehiclename','numberoftyres','brandname')


To complicate further imagine I have one more field in brand_name
which is cost

class brand_name(models.Model):
   brand_name_pkey=models.ForeignKey
(Vehicle,related_name='brand_name_relatedname')
   brandname=models.CharField(max_length=20)
   costofvehicle=models.IntegerField()

My second question is
 say I want to obtain the values set (as in the above query ) of
all the vehicle whose cost is >1000 and  which has 4 numberoftyres how
can I get it

Thanks in advance

Regards
Subramanyam

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: What happened to djangoplugables.com?

[Anthony]

Awesome, thanks!

It looks very nice as well.

On Sep 3, 8:53 pm, Andy McKay  wrote:
> On 2009-09-03, at 3:47 PM, Anthony wrote:
>
> > It's been down for a while.
>
> It's been dead for a while. Fortunately I did spider it many months  
> ago and put it intohttp://djangozen.com/app.
> --
>    Andy McKay
>    Clearwind Consulting:www.clearwind.ca
>    Twitter: @clearwind
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Serializing with not just the query data but also some additional columns

[Russell Keith-Magee]

On Fri, Sep 4, 2009 at 11:58 AM, Andy McKay wrote:
>
>
> On 2009-09-03, at 1:21 PM, Neeraj wrote:
>> I am trying to serialize a queryset but for each row I want
>> supplementary data that is appropriate to the context I am doing the
>> serialization in. I might want to add a column to each row in one
>> situation which is some calculate value, etc, etc, etc.
>>
>> It seems that serialization only really lets you serialize a queryset.
>
> It does indeed, you would have to extend the built-in ones with your
> own serializer.

Changing this situation is a quite old feature request, and one that
has the full blessing of the core. See #4656, #5711 for some related
tickets.

What is missing is a strong design that hits the underlying problem.
'Just add these extra columns to the serialized data' is the small
version of a much larger feature request to customize the output
format of the serialized data. Rather than try to tape lots of little
features to the outside of the current serializers, we are looking for
a strong framework for specifying serialization output formats.

Yours
Russ Magee %-)

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: how do you use session variables in template tags?

[Brandon]

Is the request object present in your context? I believe you'd have to
pass in the request, or make it available to the template via
request_context and or the django.core.context_processors.request
middleware.

HTH,
Brandon

On Sep 3, 8:21 am, Bobby Roberts  wrote:
> I cannot for the life of me get a session variable to work in a
> template tag.  Here's what I have
>
> ...
> from django.contrib.sessions.models import Session
>
> register = template.Library()
>
> @register.filter(name='isinsavedlist')
> # this gets the latest new item from the new item flex mod
> def isinsavedlist(request):
>     try:
>         myval=int(request)
>     except:
>         myval=0
>
>     assert False, request.session["mylist[]"]
>
> When it tries to assert the value for mylist, i get the following:
>
> 'long' object has no attribute 'session'
>
> what am I doing wrong?
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Last object of a set?

[Brandon]

You should be able to use the properties of a for loop to get the
first and last items.

{% for course_part in course.coursepart_set.all %}
{% if forloop.first %}
{{ course_part.begin_date }}
{% endif %}

{% if forloop.last %}
   {{ course_part.end_date }}
{% endif %}
{% endfor %}

HTH,
Brandon

On Sep 3, 11:01 pm, watusee  wrote:
> I'm attempting to get the first and last items in a set inside a
> django template. The first is no problem:
>
> {{ course.coursepart_set.all.0.begin_date }}
>
> but I can't figure out how to get the last item without knowing the
> length of the set. Is there a way to do this?
>
> Something like (theoretically):
>
> {{ course.coursepart_set.all.LAST.end_date }}
>
> kind regards,
>
> -raymond
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: 'function' object has no attribute 'fields' errror on first access to development server

[Andy McKay]

Make sure you've added in autodiscover:

http://docs.djangoproject.com/en/dev/ref/contrib/admin/#hooking-adminsite-instances-into-your-urlconf

If you want help on a specific error, you are going to have give us a  
traceback, otherwise its unlikely we have enough information to go on.

On 2009-09-03, at 4:34 PM, hamdiakoguz wrote:

>
> After starting django dev server I get this error on the first access.
> After refreshing the page it goes away but somehow it seems that
> admin.py (in my application dir) seems not to be executed and none of
> the models i registered does not appear in admin.
>
> >

--
   Andy McKay
   Clearwind Consulting: www.clearwind.ca
   Twitter: @clearwind


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Last object of a set?

[Andy McKay]

If you are in a for loop you can test whether you are at the end.  
Otherwise I think you'd have to do it in the view.

http://docs.djangoproject.com/en/dev/ref/templates/builtins/#for

On 2009-09-03, at 9:01 PM, watusee wrote:

>
> I'm attempting to get the first and last items in a set inside a
> django template. The first is no problem:
>
> {{ course.coursepart_set.all.0.begin_date }}
>
> but I can't figure out how to get the last item without knowing the
> length of the set. Is there a way to do this?
>
> Something like (theoretically):
>
> {{ course.coursepart_set.all.LAST.end_date }}
>
> kind regards,
>
> -raymond
> >

--
   Andy McKay
   Clearwind Consulting: www.clearwind.ca
   Twitter: @clearwind


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Last object of a set?

[watusee]

I'm attempting to get the first and last items in a set inside a
django template. The first is no problem:

{{ course.coursepart_set.all.0.begin_date }}

but I can't figure out how to get the last item without knowing the
length of the set. Is there a way to do this?

Something like (theoretically):

{{ course.coursepart_set.all.LAST.end_date }}

kind regards,

-raymond
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Serializing with not just the query data but also some additional columns

[Andy McKay]

On 2009-09-03, at 1:21 PM, Neeraj wrote:
> I am trying to serialize a queryset but for each row I want  
> supplementary data that is appropriate to the context I am doing the  
> serialization in. I might want to add a column to each row in one  
> situation which is some calculate value, etc, etc, etc.
>
> It seems that serialization only really lets you serialize a queryset.

It does indeed, you would have to extend the built-in ones with your  
own serializer.
--
   Andy McKay
   Clearwind Consulting: www.clearwind.ca
   Twitter: @clearwind


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: What happened to djangoplugables.com?

[Andy McKay]

On 2009-09-03, at 3:47 PM, Anthony wrote:

> It's been down for a while.


It's been dead for a while. Fortunately I did spider it many months  
ago and put it into http://djangozen.com/app.
--
   Andy McKay
   Clearwind Consulting: www.clearwind.ca
   Twitter: @clearwind


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: extending objects.get()

[Andy McKay]

On 2009-09-03, at 4:40 PM, dwh wrote:
 j = Junk.objects.get(cheese='12345')
>
> The field cheese isn't part of Junk obviously.

You can do anything you want in a custom manager. What cheese is and  
how possible that is, is up to you.
--
   Andy McKay
   Clearwind Consulting: www.clearwind.ca
   Twitter: @clearwind


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

zxJDBC.DatabaseError: driver [org.postgresql.Driver] not found Jython

[Brandon Taylor]

Hi Everyone,

I'm running Jython 2.5.0 and Django 1.0.3 on OS X Snow Leopard.

Having an issue connecting to Postgres. I can create and run a project
fine, but attempting to connect to a database using the django-jython
database backend - doj.backends.zxjdbc.postgresql, throws the error:

zxJDBC.DatabaseError: driver [org.postgresql.Driver] not found Jython

I found a post: 
http://stackoverflow.com/questions/468763/how-to-connect-to-database-from-jython

I'm not a Java developer, but correct me if I'm wrong...isn't Java SE
6 the same as JDK 1.6? The post indicates that switching from JDK 1.5
32 bit to JDK 1.6 64 bit solves the issue.

I would certainly appreciate some pointers!

Cheers,
Brandon
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

extending objects.get()

[dwh]

Is it possible to add a custom search key within get() that are:

1) Not part of the containing model

2) Use custom SQL

Example:

class Junk(models.Model):
name = models.CharField(maxlength=10)
size = models.IntegerField()


>>> j = Junk.objects.get(cheese='12345')

The field cheese isn't part of Junk obviously.

It maybe easier to use a custom Manager.  I've done that but
I'd like to know if the above is possible as the code is more
symmetrical.

TIA

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

'function' object has no attribute 'fields' errror on first access to development server

[hamdiakoguz]

After starting django dev server I get this error on the first access.
After refreshing the page it goes away but somehow it seems that
admin.py (in my application dir) seems not to be executed and none of
the models i registered does not appear in admin.

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Outputing an integer value in a template, but with some calculation done on it

[Tim Chase]

> I am trying to output a variable page_no to a template, but I want to output
> page_no + 1 and page_no - 1. How do I do that? I tried to do something like
> {{ page_no + 1 }} and that failed. Tried {% and %} as well, but no success.
> 
> Surely there is a way to do this other than having to calculate these values
> in the view ahead of time?

You bet -- you want the "add" filter:

   {{ page_no|add:"1" }}

detailed at

http://docs.djangoproject.com/en/dev/ref/templates/builtins/#add

-tim





--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: how to deploy an app that gets used by people in multiple time zones

[Margie]

Thanks for the input.  I have a couple questions.  Both of you talk
about saving the date/time in UTC format.  What is the default when
using a django DateTimeField? Does it not save it in UTC? If it is not
saving it in UTC, what is it saving it in?  I thought that one of the
things the DateTimeField did for you was convert your input (whether
form a user typed input or from a server call to datetime.datetime.now
()) into some sort of internal representation (UTC?).  I thought that
when I was using the date filter, that it was simply converting that
internal representation into my specificied text format.  Am I
confused here?

I thought about putting the timezone in the profile but that does have
the disadvantage that if the user travels, they would have to update
their profile to get dates displayed in whatever location they are
at.  I really don't like that since the people that will be using my
app are management, and they often travel (and probably won't want to
modify their profile all the time).

One thing I thought about is trying to save the timezone info in the
session.  It seems like there should be a way to set a session
variable at login time that reflects the current time zone and then
have template tags that access that variable and generate the correct
format based on the session variable.Is this a viable option?

Since this is an internal site within a company, it is ok for me to
require my users to have javascript on.  Tim - i assume that with
respect to your comment about javascript you are suggesting that
identify the timezone via client javascript code and send it with
every request?

I thought I had read there was something going on in this area,
possibly for django 1.2 but I can't remember what I saw about
that ...  Would be curious if there is anything planned for develpment
in this area as I could possibly wait a few months to implement this
if there was going to be some additional support coming on the django
side.

Margie


On Sep 3, 3:02 pm, Tim Chase  wrote:
> > I've created a django app and I soon am going to have users that are
> > in multiple timezones.  My app is a task management system and it is
> > important for users to see dates and times with respect to their own
> > time zone.  IE, if here in California I create a task at 3PM on Sept
> > 3, I want someone in India to see it as being created at 1AM on Sept
> > 4.  Optimally, if that India employee travels to the US and looks at
> > the task creation date, they should see 3PM on Sept 3.   Is there a
> > "best" way to handle this?  Things that come to mind are:
>
> >  1. Create a deployment for each of my time zones where TIME_ZONE and
> > DATE_FORMAT are set appropriately for the time zone associated with
> > the deployment.  This seems painful ...
>
> agreed...yuck!
>
> >  2. Have a single deployment and whenever I display dates, use some
> > sort of tag that can figure out how to display the date correctly
> > based on the user's time zone
>
> Best that I've found.  It's best to store everything in the
> database as UTC and then adjust the display for whatever the
> relative timezone is.
>
> >  3. I see there is a reusable app called django-timezones.  There is
> > not much doc with it, but I'm guessing this is targeted at what I am
> > trying to do.
>
> Not familiar with this one.
>
> The catch is that HTTP doesn't require the requester to send
> their timezone information in the request.  So you either have to
> store the user's TZ in their user profile information, or you
> have to use some client-side JavaScript to get the local TZ.
> Both have problems -- If the client has JavaScript turned off (I
> tend to fly with NoScript, only white-listing those sites I care
> about to be able to run JS) you don't get this information back
> from them.  On the other side, if your customers travel from TZ
> to TZ, they will have to update their profile each time they
> move.  Neither is a horrible solution, just with their own set of
> hiccups.  The two solutions can be combined to keep an "expected
> TZ" in the user profile, but then take advantage of JS when
> available to sniff the local PC's time-zone to override.
>
> Python's stock TZ handling is a little weak last I experimented
> with it, expecting a single TZ for the entire running instance.
> There's a library at pytz.sf.net that simplifies a lot of the TZ
> pain I've experienced with Python's native datetime libraries.
> It also gives good examples and cautions on things that can screw
> you up (such as notifications set during a DST rollback time-slot).
>
> Hope this helps,
>
> -tim
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 

What happened to djangoplugables.com?

[Anthony]

It's been down for a while.
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Serializing with not just the query data but also some additional columns

[Neeraj]

Hello.

I am trying to serialize a queryset but for each row I want supplementary
data that is appropriate to the context I am doing the serialization in. I
might want to add a column to each row in one situation which is some
calculate value, etc, etc, etc.

It seems that serialization only really lets you serialize a queryset.

Thanks.

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

"Stupid newbie" question - why does this IntegrityError happen?

[Johnson Earls]

I've got the following models defined:

class FeatureType(models.Model):
type = models.CharField(max_length=20)

def __unicode__(self):
  return self.type

class Feature(models.Model):
value = models.CharField(max_length=200)
type = models.ForeignKey(FeatureType)

def __unicode__(self):
return u'type=' + repr(self.type.type) + u', value=' + repr
(self.value)

class Meta:
unique_together = ( ("value", "type"), )


This is what I tried for creating a new Feature:

ft = Feature(type=FeatureType(type='Color'), value='Red')
ft.type.save()
ft.save()

I get an IntegrityError at ft.save() saying that the type_id must not
be NULL.  However, this works:

ft = Feature(type=FeatureType(type='Color'), value='Red')
ft.type.save()
ft.type = ft.type
ft.save()

Now, if I add in 'null=True' to the definition of 'type' in the
Feature model, then the first 3-line code set works, and correctly
gets the type_id defined.

Am I running into a bug, or am I misunderstanding something?

- Johnson

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Imagefield, PIL and save()

[aa56280]

On Sep 3, 5:31 pm, Rob Broadhead  wrote:
> If you are on a Mac there are some issues with the imagelib you will  
> need to fix.

Very interesting. I am on a Mac. So I'll investigate and update.
Thanks, Rob.
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

wrong links when using deployment server

[turkan]

Hello.

I just started using Django and everything works fine when using the
built-in development server. But when I use the deployment server
(provided via lighthttpd) all links of my page get corrupted.
For example a "www.mysite.org/user" is now becoming a "www.mysite.org/
django.fcgi/user" when using the deployment server. So everytime a not
needed "django.fcgi" ends up in the url.
I guess it is cause of the django.conf I use for my lighthttpd (see
below), but I am not really sure (I am new to Django and lighthttpd).
Can someone give me a hint how I can solve that problem?

Regards,
Kai

$HTTP["host"] =~ "(^|\.)mysite\.sites\.myprovider\.com$" {
fastcgi.server = (
"/django.fcgi" => (
"main" => (
"socket" => env.HOME + "/mysite/mysite.sock",
"check-local" => "disable",
)
),
)
alias.url = (
"/media" => env.HOME + "/mysite/media",
)

url.rewrite-once = (
"^(/media.*)$" => "$1",
"^/favicon\.ico$" => "/media/favicon.ico",
"^(/.*)$" => "/django.fcgi$1",
)
}

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Outputing an integer value in a template, but with some calculation done on it

[Neeraj]

Hello people.

This may seem like a very simple question, and for that I apologize.

I am trying to output a variable page_no to a template, but I want to output
page_no + 1 and page_no - 1. How do I do that? I tried to do something like
{{ page_no + 1 }} and that failed. Tried {% and %} as well, but no success.

Surely there is a way to do this other than having to calculate these values
in the view ahead of time?

Thanks.

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Re-usable/pluggable app form question.

[Peter Coles]

You want your project "foo" to be able to (1) render content from a
template and also (2) handle a request to a specific url.

If you want to do (1), you can add
'django.template.loaders.app_directories.load_template_source' to your
TEMPLATE_LOADERS in your settings file. In fact, it may be there
already.  That will automatically look in /templates/ for
any installed apps when resolving template strings:
http://docs.djangoproject.com/en/dev/ref/templates/api/#ref-templates-api

If you want to do (2), you'll have to put something into your main
urls.py file. Why not add it to your urls with an include under a url
prefix like 'foo/' that points to whatever urls.py file you have in
the app 'foo'.

The django admin app is a great example of what you're trying to do,
why not look into how it gets configured and how it organizes its
templates? Maybe also look at django.contrib.comments.

Peter

On Sep 3, 10:07 am, Shawn Milochik  wrote:
> I'm working on an existing project that I'm splitting up into multiple  
> apps. My question is about how to use those apps together.
>
> Say I have an app called "main." Then two supporting apps which sit  
> outside of that Django project folder. They are "foo" and "bar." They  
> are not "installed" as Python modules -- they're just in another  
> directory on the Python path, and they are added to the INSTALLED_APPS  
> of the main project.
>
> Let's say foo has a template which is just a div containing a  
> form.as_p tag, and the form it uses is also in the project foo. The  
> function to act on that form's submission is in the views.py of foo.
>
> If I want to offer that form on my site from the main app, how do I do  
> it? Is it possible to not import the forms, views, and templates from  
> foo into main, and just use template tags to load the foo content into  
> main and have it processed by foo?
>
> The point is to keep all foo logic outside of the main app, so main  
> doesn't have to "know about" foo or any of its internals. This may not  
> strictly be a "pluggable" app, but it works for our application. Is  
> the way to do this documented anywhere?
>
> Thanks,
> Shawn

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Imagefield, PIL and save()

[Rob Broadhead]

If you are on a Mac there are some issues with the imagelib you will  
need to fix. Google Mac PIL django and I think you will get three or  
four walk-throughs to fix the problem. I think you can see the error  
when you run the PIL tests, but I went through a lot of iterations  
just fixing that myself so my recollection may be a bit off.

On Sep 3, 2009, at 5:23 PM, aa56280 wrote:

>
> I have an ImageField in a model. I also have a ModelForm for this
> model. I'm overriding save() so that I can take the image that was
> uploaded and make a thumbnail out of it using PIL.
>
> I'm using the simplest of examples just to get started:
>
> ...
> def save(self):
>  from PIL import Image
>
>  im = Image.open(self.logo)  # 'logo' is the image field name
>  im.thumbnail((100,100), Image.ANTIALIAS)
>  im.save('test.png')
>
> No exception, no errors, but neither was a thumbnail created. I keep
> thinking something's going on with the Image.open() method, but I have
> no clue what. Any ideas greatly appreciated.
>
>
> >

Rob Broadhead
robert.broadh...@gmail.com




--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Imagefield, PIL and save()

[aa56280]

I have an ImageField in a model. I also have a ModelForm for this
model. I'm overriding save() so that I can take the image that was
uploaded and make a thumbnail out of it using PIL.

I'm using the simplest of examples just to get started:

...
def save(self):
  from PIL import Image

  im = Image.open(self.logo)  # 'logo' is the image field name
  im.thumbnail((100,100), Image.ANTIALIAS)
  im.save('test.png')

No exception, no errors, but neither was a thumbnail created. I keep
thinking something's going on with the Image.open() method, but I have
no clue what. Any ideas greatly appreciated.


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: how to deploy an app that gets used by people in multiple time zones

[Tim Chase]

> I've created a django app and I soon am going to have users that are
> in multiple timezones.  My app is a task management system and it is
> important for users to see dates and times with respect to their own
> time zone.  IE, if here in California I create a task at 3PM on Sept
> 3, I want someone in India to see it as being created at 1AM on Sept
> 4.  Optimally, if that India employee travels to the US and looks at
> the task creation date, they should see 3PM on Sept 3.   Is there a
> "best" way to handle this?  Things that come to mind are:
> 
>  1. Create a deployment for each of my time zones where TIME_ZONE and
> DATE_FORMAT are set appropriately for the time zone associated with
> the deployment.  This seems painful ...

agreed...yuck!

>  2. Have a single deployment and whenever I display dates, use some
> sort of tag that can figure out how to display the date correctly
> based on the user's time zone

Best that I've found.  It's best to store everything in the 
database as UTC and then adjust the display for whatever the 
relative timezone is.

>  3. I see there is a reusable app called django-timezones.  There is
> not much doc with it, but I'm guessing this is targeted at what I am
> trying to do.

Not familiar with this one.

The catch is that HTTP doesn't require the requester to send 
their timezone information in the request.  So you either have to 
store the user's TZ in their user profile information, or you 
have to use some client-side JavaScript to get the local TZ. 
Both have problems -- If the client has JavaScript turned off (I 
tend to fly with NoScript, only white-listing those sites I care 
about to be able to run JS) you don't get this information back 
from them.  On the other side, if your customers travel from TZ 
to TZ, they will have to update their profile each time they 
move.  Neither is a horrible solution, just with their own set of 
hiccups.  The two solutions can be combined to keep an "expected 
TZ" in the user profile, but then take advantage of JS when 
available to sniff the local PC's time-zone to override.

Python's stock TZ handling is a little weak last I experimented 
with it, expecting a single TZ for the entire running instance. 
There's a library at pytz.sf.net that simplifies a lot of the TZ 
pain I've experienced with Python's native datetime libraries. 
It also gives good examples and cautions on things that can screw 
you up (such as notifications set during a DST rollback time-slot).

Hope this helps,

-tim










--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: how to deploy an app that gets used by people in multiple time zones

[Tracy Reed]

On Thu, Sep 03, 2009 at 02:36:21PM -0700, Margie Roginski spake thusly:
> the task creation date, they should see 3PM on Sept 3.   Is there a
> "best" way to handle this?  Things that come to mind are:

I am going to have to be dealing with this soon also. My plan is to
store datetime objects in the db in UTC. I then plan to have a user
profile with a timezone attribute for that user. Whenever I display a
date/time to the user I intend to convert it to their timezone. 

I am wondering if I have to just make an explicit conversion
everywhere I end up displaying them a time or if there is some slick
way I can override a method on datetime objects to automatically have
them return the correct timezone when being rendered in a template and
always be in UTC when going into the database.

-- 
Tracy Reed


pgpNsO1wxrEbn.pgp
Description: PGP signature

how to deploy an app that gets used by people in multiple time zones

[Margie Roginski]

I've created a django app and I soon am going to have users that are
in multiple timezones.  My app is a task management system and it is
important for users to see dates and times with respect to their own
time zone.  IE, if here in California I create a task at 3PM on Sept
3, I want someone in India to see it as being created at 1AM on Sept
4.  Optimally, if that India employee travels to the US and looks at
the task creation date, they should see 3PM on Sept 3.   Is there a
"best" way to handle this?  Things that come to mind are:

 1. Create a deployment for each of my time zones where TIME_ZONE and
DATE_FORMAT are set appropriately for the time zone associated with
the deployment.  This seems painful ...

 2. Have a single deployment and whenever I display dates, use some
sort of tag that can figure out how to display the date correctly
based on the user's time zone

 3. I see there is a reusable app called django-timezones.  There is
not much doc with it, but I'm guessing this is targeted at what I am
trying to do.

Can anyone give any recommendations?  I'm happy to dive in and read
source (ie, for django-timezones app), but I just want to make sure
I'm heading in the right direction.

Thanks,

Margie
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Parsing / Deserializing a JSON String

[J. Cliff Dyer]

I suspect your error is hiding in .  What do you expect
obj to be?  Your JSON should return a big dictionary with one key
("ganttgroups").  When you iterate over a dictionary in python, you get
the keys of that dictionary.  In this case, the string "ganttgroups".
You may be doing the following:

for obj in serializers.deserialize("json", gantt_data):
do_something_to(obj['gantts'])

which returns an error, because it evaluates to "ganttgroups"['gantts']
(which would give you the error you see.

What you want is more like:

for obj in serializers.deserialize('json', gantt_data)['ganttgroups']:
start = obj['start']
for gantt in obj['gantts']:
for row in gantt['rows']:
print row['own']

In short, you're getting your dicts and lists mixed up, or your keys and
values.

Cheers,
Cliff


On Wed, 2009-09-02 at 10:40 -0700, Eric wrote:
> I forgot to mention that I am trying to deserialize the data as
> follows:
> 
> "
> ...
> gantt_data = request.POST.get('ganttdata')
> 
> for obj in serializers.deserialize("json", gantt_data):
> 
> ...
> "
> 
> On Sep 2, 10:37 am, Eric  wrote:
> > Hi,
> > I am attempting to parse a json string passed to my view via a form
> > post.   A simple example of my json structure is as follows (indented
> > for readability):
> >
> > {
> > "ganttgroups":[
> > {
> > "gantts":[
> > {
> > "rows":[
> > {"stt":1, "end":2, "ttl":"test row - gr1 ga1
> > ta1",  "own":"Tim Johnson"},
> > {"stt":2, "end":3, "ttl":"my row (g1 t2)",
> > "own":"John Doe"},
> > {"stt":1, "end":2, "ttl":"test row - gr1 ga1
> > ta3", "own":"Mary Smith"}
> > ]
> > },
> > {
> > "rows":[
> > {"stt":1, "end":2, "ttl":"My 4th task",
> > "own":"Eric Johnson"},
> > {"stt":1, "end":2, "ttl":"my row (g2 t2)",
> > "own":"Jeff Smith"},
> > {"stt":1, "end":2, "ttl":"test row - gr1 ga2
> > t3", "own":"Bill Baker"}
> > ]
> > }
> > ],
> > "start":"2009-1-01"
> > }
> > ,{
> > "gantts":[
> > {
> > "rows":[
> > {"stt":1, "end":2, "ttl":"row - gr2 ga1 t1",
> > "own":"Ted Tillman"},
> > {"stt":1, "end":2, "ttl":"row - gr2 ga1 t2",
> > "own":"Kim Crane"},
> > {"stt":1, "end":2, "ttl":"row - gr2 ga1 t3",
> > "own":"Bob Barker"}
> > ]
> > }
> > ],
> > "start":"2009-1-01"
> > }
> > ]
> >
> > }
> >
> > I would like to parse it so that I can loop over the pairs/arrays to
> > access the data. When I try to deserialize the data, I get the django
> > error "string indices must be integers". Can anybody please help me
> > determine what exactly this means and how I may fix this?  Is there
> > another method I should be using? I am obviously a bit of a newbie at
> > this so any help would be greatly appreciated.
> > 


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Assign a User/Group to a Site

[Liquidrums]

Ok, so I can have an article associated with multiple sites.  That's
pretty sweet!  But how about ensuring that a user I create can only
work on a certain site?
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: JSON serialization of related records.

[Amir Habibi]

Thanks Mike.

The issue is the inflexible handling of fk entries of a model by the
django serializer or more accurately PythonSerializer. The behavior is
inherited by json and xml serializers the same. I've eventually
resorted to rewriting the whole serialization to make it a better fit
for my ajax style front-ends but I guess it may take a while before I
can come up with a fully configurable and robust framework as the
serialization code should serialize into the output stream directly
rather than building the whole object tree and creating a giant string
before even touching the output stream.

BTW, I like your idea of JSONResponse, it makes the code neat and
readable.

On Sep 1, 7:25 pm, Mike Ramirez  wrote:
> On Tuesday 01 September 2009 12:29:56 pm Amir Habibi wrote:
>
> > How can I serialize a Queryset along with the related records. For
> > example, in Poll and Choice case, I need each poll to have the choices
> > encoded in json format.
>
> > Thanks
>
> you'll want to look at the docs on serialization [1], it is pretty straight
> forward, though the examples use 'xml', it does output to json data (among
> other formats) also.
>
> http://docs.djangoproject.com/en/dev/topics/serialization/
>
> It's quite simple to use, in my examples I'm using FAQ Categories and Question
> and Answers within a category.
>
> In [1]: from django.core import serializers
>
> In [2]: from base.models import FAQC
> FAQCategory         FAQCategoryManager  
>
> In [2]: from base.models import FAQCategory, FAQ
> FAQ                 FAQCategory         FAQCategoryManager  
>
> In [2]: from base.models import FAQCategory, FAQ
>
> In [3]: cat = FAQ
> FAQ          FAQCategory  
>
> In [3]: cat = FAQCategory.objects.all().get(pk=1)
>
> In [4]: cat
> Out[4]: 
>
> In [5]: faqs = FAQ.objects.all().filter(category=cat)
>
> In [6]: faqs
> Out[6]: []
>
> In [7]: json = serializers.serialize('json', faqs)
>
> In [8]: json
> Out[8]: '[{"pk": 1, "model": "base.faq", "fields": {"answer": "Because I want
> to.", "category": 1, "question": "Why?", "number": 1, "slug": "why"}}]'
>
> you can also extend HttpResponse to return a JsonResponse:
>
> # as seen on:http://toys.jacobian.org/presentations/2007/oscon/tutorial/#s67
> class JSONResponse(HttpResponse):
>   def __init__(self, data):
>     HttpResponse.__init__(self, data, mimetype="application/json")
>
> In your view code just return this, using the serialized data from above:
>
> def ajaxview(request):
>         cat = FAQCategory.objects.all().get(pk=1)
>         faqs = FAQ.objects.all().filter(category=cat)
>         json = serializers.serialize('json', faqs)
>         return JSONResponse(json)
>
> hope this helps,
>
> Mike
> --
> War is peace.  Freedom is slavery.  Ketchup is a vegetable.
>
>  signature.asc
> < 1KViewDownload
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Add buttons to change_form

[Sandra Django]

Hi friends, I have a problem.
I want add buttons to change_form, and I did the same thing of Django, I
wrote a templatetags, but I have a doubt in the views. I want do something
as:
def newdescriptor(request):
   if request.method == 'POST':
form = CustomNewForm(request.POST)
if form.is_valid():
   if 'checked' in request.POST:
  new = Descriptor(term = form.cleaned_data['term'], note
= form.cleaned_data['note'])
  new.save()
  return HttpResponseRedirect('/admin/new/%s' % new.id)
   

I did this function, and it works, but I used it in my custom form
(CustomNewForm), and I have modify it for use it in change_form
In this case, "checked" is a button, Descriptor is a model, and term and
note are attributes. I create an instance of Descriptor when I press
"checked" button.
My doubt is how modify it for use it in chage_form? Because in this case, my
"form" is..?
Please, help, really I need do that.
Thanks

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Which query to use?

[edkirin]

Ok, I have a working SQL query, but I don't know how to translate it
to Django DB API:

select
*
from
main_intermail
where
id in
(select
max(id)
from
main_intermail
group by conversation_id);

Any help will be appreciated!
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Parsing / Deserializing a JSON String

[Eric]

Here is a raw example of the json.. Note that it is a different
example than above:

{"ganttgroups":[{"gantts":[{"rows":[{"stt":1,"end":2,"ttl":"wash
dog","own":"Joe"},{"stt":2,"end":3,"ttl":"clean house"},{"stt":3,"end":
5,"ttl":"sell couch","own":"Mary"}]},{"rows":[{"stt":1,"end":
5,"ttl":"eat diner"},{"stt":5,"end":7,"ttl":"frame","own":"Ed"},{"stt":
6,"end":10,"ttl":"the rest","own":"Chris"}]}],"start":"2009-1-01"},
{"gantts":[{"rows":[{"stt":3,"end":5,"ttl":"1st try","own":"Bill"},
{"stt":5,"end":9,"ttl":"2nd try","own":"Jeff"},{"stt":9,"end":
12,"ttl":"3rd try"}]}],"start":"2009-1-01"}]}

On Sep 2, 11:30 am, Andrew McGregor  wrote:
> On Wed, Sep 2, 2009 at 6:47 PM, Eric wrote:
>
> > Im using the Django deserialization method shown here:
>
> >http://docs.djangoproject.com/en/dev/topics/serialization/
>
> ok, try pasting your json (the original, not your re-typed version) here:
>
> http://www.jsonlint.com/
>
> --
> Andrew McGregor
> 07940 22 33 11
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: are you using mptt, treebeard or something else?

[Ben Davis]

>From what I understand,  Treebeard has better performance,  but mptt has (I
think) been around longer.   I've messed around w/ mptt,  but looking
through treebeards benchmarks,  it looks like treebeard might be more well
thought out.   As far as admin support goes,  I don't think either has
"official" admin support,  but both seem to have patches from other users
that attempt to implement it.



On Thu, Sep 3, 2009 at 10:51 AM, Sandra Django wrote:

> Hi Aljosa Mohorovic, I need work with django-mptt or django-treebeard, but
> neither I'm sure. I think that django-mptt is better, this says all (
> http://magicrebirth.wordpress.com/2009/08/06/representing-hierarchical-data-with-django-and-mptt/
> )
> Sorry, a cuestion because I don't understand. mptt requires v1.1, but not
> SVN version?
>
>
>
> On Thu, Sep 3, 2009 at 11:11 AM, Aljosa Mohorovic <
> aljosa.mohoro...@gmail.com> wrote:
>
>>
>> i'm looking at django-mptt and django-treebeard but i'm not sure which
>> one to use although both will solve my problem.
>> currently i'm thinking to use treebeard because mptt requires me to
>> use trunk for django v1.1.
>> any comments/tips/recommendations are appreciated.
>>
>> Aljosa Mohorovic
>>
>>
>
> >
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Return FK model

[Ben Davis]

@Javier,  not sure.. I've used user profiles on my past sites because that's
what I was told to do a while ago,   if inheritance works with
authentication and the admin,  I would definitely go that route.

Also, @Yanik,  I realized my UserProfile model example above was wrong,
the  user relation should be OneToOneField,   not ForeignKey.



On Thu, Sep 3, 2009 at 10:49 AM, Javier Guerra  wrote:

>
> On Thu, Sep 3, 2009 at 10:41 AM, Ben Davis wrote:
> > The django docs suggest using a UserProfile model when you need to add
> more
> > information about a user:
> >
> http://docs.djangoproject.com/en/dev/topics/auth/#storing-additional-information-about-users
>
> slightly OT: is there any advantage to use profiles instead of table
> inheritance?
>
> I know the userprofiles were the only choice before there was table
> inheritance; but is it still the best way?
>
> --
> Javier
>
> >
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: context processors in 404 errors

[Karen Tracey]

On Thu, Sep 3, 2009 at 4:27 AM, Alessandro wrote:

> 2009/9/1 Karen Tracey 
>
>> On Tue, Sep 1, 2009 at 12:02 PM, Alessandro Ronchi <
>> alessandro.ron...@soasi.com> wrote:
>>
>>> When I return a 500 error I need to have my context_processor, in which I
>>> store some important vars used in my template. Is it possible?
>>>
>>
>> Your subject line says 404 errors but your text says 500.  Which are you
>> asking about?
>>
>>
> sorry, the problem is on 500 errors. on 404 the context is correct (i've
> tried).
>
>
The default handler for 500s intentionally uses an empty Context for
rendering, so as to minimize chances of another critical error being
encountered.  There was a period of 2 days 3 years ago where it used a
RequestContext, but that was reconsidered to be a Bad Idea.  Since then
requests to change this have been rejected, see:

http://code.djangoproject.com/ticket/5617

Here's a mailing list thread discussing it:

http://groups.google.com/group/django-users/browse_thread/thread/aee94039eccf2d90/01fa9a19cd3350bc

So, if you want to have your context processor run for 500s, you will have
to provide your own custom 500 handler that uses a RequestContext.

Karen

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: are you using mptt, treebeard or something else?

[Sandra Django]

Hi Aljosa Mohorovic, I need work with django-mptt or django-treebeard, but
neither I'm sure. I think that django-mptt is better, this says all (
http://magicrebirth.wordpress.com/2009/08/06/representing-hierarchical-data-with-django-and-mptt/
)
Sorry, a cuestion because I don't understand. mptt requires v1.1, but not
SVN version?


On Thu, Sep 3, 2009 at 11:11 AM, Aljosa Mohorovic <
aljosa.mohoro...@gmail.com> wrote:

>
> i'm looking at django-mptt and django-treebeard but i'm not sure which
> one to use although both will solve my problem.
> currently i'm thinking to use treebeard because mptt requires me to
> use trunk for django v1.1.
> any comments/tips/recommendations are appreciated.
>
> Aljosa Mohorovic
> >
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Return FK model

[Javier Guerra]

On Thu, Sep 3, 2009 at 10:41 AM, Ben Davis wrote:
> The django docs suggest using a UserProfile model when you need to add more
> information about a user:
> http://docs.djangoproject.com/en/dev/topics/auth/#storing-additional-information-about-users

slightly OT: is there any advantage to use profiles instead of table
inheritance?

I know the userprofiles were the only choice before there was table
inheritance; but is it still the best way?

-- 
Javier

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Return FK model

[Ben Davis]

True, you wouldn't be able to modify the auth.User model.   Though you're
wrong about what would happen if you were able to.  What I'm saying is with
a ManyToMany field,  the relationship is with itself (User),  so it would
return User objects.

The django docs suggest using a UserProfile model when you need to add more
information about a user:
http://docs.djangoproject.com/en/dev/topics/auth/#storing-additional-information-about-users

What you could do is this.  Create a UserProfile model with the friends
reflexive relationship:

  class UserProfile(models.Model):
  user = ForeignKey(User)
  friends = ManyToManyField(UserProfile)


then you could do:

  some_user = UserProfile.objects.get(user=X)
  his_friends = some_user.friends

This would return UserProfile objects, though.  So if you wanted User
objects, you could do

  his_friends = some_user.friends.select_related('user')

This would pull all this user's friends,  plus their information from the
auth_user table in one query,  so while looping through their friends, you
access their user information like so:

   for friend in his_friends:
   this_friends_user_acct = friend.user



Make sense?

On Thu, Sep 3, 2009 at 10:17 AM, Yanik  wrote:

>
> Well, I can't add very well add fields to the Auth.User. But even if I
> could, user.friends would get me instances of "Friend" model, not
> "User" model.
>
> On Sep 3, 11:13 am, Ben Davis  wrote:
> > It looks you're setting a many-to-many reflexive (circular) relationship
> > between users.   It seems it would be better to add a ManyToManyField on
> the
> > User model, eg:
> >
> > class User(models.Model):
> > ...
> > friends = ManyToManyField(User)
> >
> > Then you could just use "user.friends"
> >
> > On Thu, Sep 3, 2009 at 9:50 AM, Yanik  wrote:
> >
> > > Let's say I have a model "Friends" that looks something like:
> >
> > > class Friend(models.Model):
> > >user = models.ForeignKey(User)
> > >friend = models.ForeignKey(User, related_name="friend")
> >
> > > I want a list of "User" instances of a user's friends. Is my only
> > > option to:
> >
> > > 1) Get list of "Friends"
> > > 2) Then get list of "Users" where id in friends.value_llist('id')
> >
> > > Or is there a way to do a query on the "Friend" model and as to return
> > > "User" instances of friends?
> >
> >
> >
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

are you using mptt, treebeard or something else?

[Aljosa Mohorovic]

i'm looking at django-mptt and django-treebeard but i'm not sure which
one to use although both will solve my problem.
currently i'm thinking to use treebeard because mptt requires me to
use trunk for django v1.1.
any comments/tips/recommendations are appreciated.

Aljosa Mohorovic
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Return FK model

[Yanik]

Well, I can't add very well add fields to the Auth.User. But even if I
could, user.friends would get me instances of "Friend" model, not
"User" model.

On Sep 3, 11:13 am, Ben Davis  wrote:
> It looks you're setting a many-to-many reflexive (circular) relationship
> between users.   It seems it would be better to add a ManyToManyField on the
> User model, eg:
>
> class User(models.Model):
>     ...
>     friends = ManyToManyField(User)
>
> Then you could just use "user.friends"
>
> On Thu, Sep 3, 2009 at 9:50 AM, Yanik  wrote:
>
> > Let's say I have a model "Friends" that looks something like:
>
> > class Friend(models.Model):
> >        user = models.ForeignKey(User)
> >        friend = models.ForeignKey(User, related_name="friend")
>
> > I want a list of "User" instances of a user's friends. Is my only
> > option to:
>
> > 1) Get list of "Friends"
> > 2) Then get list of "Users" where id in friends.value_llist('id')
>
> > Or is there a way to do a query on the "Friend" model and as to return
> > "User" instances of friends?
>
>
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Return FK model

[Ben Davis]

It looks you're setting a many-to-many reflexive (circular) relationship
between users.   It seems it would be better to add a ManyToManyField on the
User model, eg:

class User(models.Model):
...
friends = ManyToManyField(User)


Then you could just use "user.friends"



On Thu, Sep 3, 2009 at 9:50 AM, Yanik  wrote:

>
> Let's say I have a model "Friends" that looks something like:
>
> class Friend(models.Model):
>user = models.ForeignKey(User)
>friend = models.ForeignKey(User, related_name="friend")
>
> I want a list of "User" instances of a user's friends. Is my only
> option to:
>
> 1) Get list of "Friends"
> 2) Then get list of "Users" where id in friends.value_llist('id')
>
> Or is there a way to do a query on the "Friend" model and as to return
> "User" instances of friends?
>
> >
>

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: django profiles question and http404

[aschmid]

as usual i solved by myself!
with something like this:

user = User.objects.get(username=username)
try:
profile_obj = user.get_profile()
except ObjectDoesNotExist:
return HttpResponseRedirect('/some/path/')


thank you anyway...

On Sep 3, 4:16 pm, andreas schmid  wrote:
> hi,
>
> im trying django-profiles and i like it but im not understanding why if
> a profile does not exist it has to output a http404. i think it doesnt
> has really much sense because if a profile is not yet created or not
> public it shouldnt give a 404 but a "im sorry but the profile is not
> available because has not been created or its not public".
>
> i looked at the profile_detail view and im trying to redirect to a
> "profile_does_not_exist" template but im experiencing problems because
> the profile request is made with a get_profile_or_404 method and i cant
> do a HttpResponseRedirect like:
>
>         user = get_object_or_404(User, username=username)
>         try:
>             profile_obj = user.get_profile()
>         except ObjectDoesNotExist:
>             return HttpResponseRedirect('http://some/url/')
>
> right?!
>
> how could i redirect to another template, view if the profile doesnt
> exist instead of the actual 404??
>
> i appreciate any help!
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Need help with a small Django project

[Happyrainb]

Hi,

We need help to do a small Django project, it might take 5-10 hours.
If anyone interested in it, please email me: happyra...@yahoo.com.
Please provide your charge rate, by hour or by project. When will you
have time and your experience in Django.

Thanks.

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Return FK model

[Yanik]

Let's say I have a model "Friends" that looks something like:

class Friend(models.Model):
user = models.ForeignKey(User)
friend = models.ForeignKey(User, related_name="friend")

I want a list of "User" instances of a user's friends. Is my only
option to:

1) Get list of "Friends"
2) Then get list of "Users" where id in friends.value_llist('id')

Or is there a way to do a query on the "Friend" model and as to return
"User" instances of friends?

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Model field vs Form field vs Widget

[Joshua Russo]

On Thu, Sep 3, 2009 at 1:11 PM, alexandre...@gmail.com <
alexandre...@gmail.com> wrote:

>
> Hi, I'm a newbie on Django and would like a reference reading on model
> fields, form fields and widgets.
>
> For example I want to have a model field called CountryField that
> automatically in forms displays as a bombobox with country options.
>
> Furthermore, I want to develop a Zip Code field like the country field
> with one difference the table of Zip Codes has over a million records
> so I want do develop a widget that popus another form that let me
> search over that huge amount of records and fills back do the field.
>
>
> I just want to create model classes with special fields, and they know
> how to display themselves in forms.


The online docs are the best place to start

Models and model fields:
http://docs.djangoproject.com/en/dev/topics/db/models/
http://docs.djangoproject.com/en/dev/ref/models/fields/
http://docs.djangoproject.com/en/dev/howto/custom-model-fields/

Forms and form fields:
http://docs.djangoproject.com/en/dev/topics/forms/
http://docs.djangoproject.com/en/dev/ref/forms/fields/
http://docs.djangoproject.com/en/dev/ref/forms/validation/

Widgets:
http://docs.djangoproject.com/en/dev/ref/forms/widgets/

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

django profiles question and http404

[andreas schmid]

hi,

im trying django-profiles and i like it but im not understanding why if
a profile does not exist it has to output a http404. i think it doesnt
has really much sense because if a profile is not yet created or not
public it shouldnt give a 404 but a "im sorry but the profile is not
available because has not been created or its not public".

i looked at the profile_detail view and im trying to redirect to a
"profile_does_not_exist" template but im experiencing problems because
the profile request is made with a get_profile_or_404 method and i cant
do a HttpResponseRedirect like:

user = get_object_or_404(User, username=username)
try:
profile_obj = user.get_profile()
except ObjectDoesNotExist:
return HttpResponseRedirect('http://some/url/')

right?!

how could i redirect to another template, view if the profile doesnt
exist instead of the actual 404??

i appreciate any help!

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Add buttons to change_form

[Sandra Django]

Hi friends, I have a problem.
I want add buttons to change_form, and I did the same thing of Django, I
wrote a templatetags, but I have a doubt in the views. I want do something
as:
def newdescriptor(request):
   if request.method == 'POST':
form = CustomNewForm(request.POST)
if form.is_valid():
   if 'checked' in request.POST:
  new = Descriptor(term = form.cleaned_data['term'], note
= form.cleaned_data['note'])
  new.save()
  return HttpResponseRedirect('/admin/new/%s' % new.id)
   

I did this function, and it works, but I used it in my custom form
(CustomNewForm), and I have modify it for use it in change_form
In this case, "checked" is a button, Descriptor is a model, and term and
note are attributes. I create an instance of Descriptor when I press
"checked" button.
My doubt is how modify it for use it in chage_form? Because in this case, my
"form" is..?
Please, help, really I need do that.
Thanks

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Model field vs Form field vs Widget

[alexandre...@gmail.com]

Hi, I'm a newbie on Django and would like a reference reading on model
fields, form fields and widgets.

For example I want to have a model field called CountryField that
automatically in forms displays as a bombobox with country options.

Furthermore, I want to develop a Zip Code field like the country field
with one difference the table of Zip Codes has over a million records
so I want do develop a widget that popus another form that let me
search over that huge amount of records and fills back do the field.


I just want to create model classes with special fields, and they know
how to display themselves in forms.
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re-usable/pluggable app form question.

[Shawn Milochik]

I'm working on an existing project that I'm splitting up into multiple  
apps. My question is about how to use those apps together.

Say I have an app called "main." Then two supporting apps which sit  
outside of that Django project folder. They are "foo" and "bar." They  
are not "installed" as Python modules -- they're just in another  
directory on the Python path, and they are added to the INSTALLED_APPS  
of the main project.

Let's say foo has a template which is just a div containing a  
form.as_p tag, and the form it uses is also in the project foo. The  
function to act on that form's submission is in the views.py of foo.

If I want to offer that form on my site from the main app, how do I do  
it? Is it possible to not import the forms, views, and templates from  
foo into main, and just use template tags to load the foo content into  
main and have it processed by foo?

The point is to keep all foo logic outside of the main app, so main  
doesn't have to "know about" foo or any of its internals. This may not  
strictly be a "pluggable" app, but it works for our application. Is  
the way to do this documented anywhere?

Thanks,
Shawn

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

how do you use session variables in template tags?

[Bobby Roberts]

I cannot for the life of me get a session variable to work in a
template tag.  Here's what I have

...
from django.contrib.sessions.models import Session

register = template.Library()

@register.filter(name='isinsavedlist')
# this gets the latest new item from the new item flex mod
def isinsavedlist(request):
try:
myval=int(request)
except:
myval=0

assert False, request.session["mylist[]"]


When it tries to assert the value for mylist, i get the following:

'long' object has no attribute 'session'


what am I doing wrong?
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

UserProfile StackedInLine without #1 showing.

[dezza]

Hello everyone and thanks for reading.

I have a simply problem that I want to get rid of and I have not seen
examples where this is achieved yet although searching around the net
for quite a while.

I recently extended with UserProfile so my admin.py looks like this:
http://dpaste.com/hold/89067/

and models.py like this:
http://dpaste.com/hold/89070/

In an app called users that is referred to by settings.py with
AUTH_PROFILE_MODULE = users.UserProfile

#1
Basically what I want to achieve is to get rid of the #1 StackedInLine
that shows in the admin. The reason I use StackedInLine instead of
TabularInLine is because otherwise I get a "Delete?" column to the
right and I find it optional so I would like to either exclude that or
get rid of the #1 numbering in StackedInLine.

This is what it looks like in "the real world" .. (Marked with red)

Stacked:
http://i28.tinypic.com/2lsadkg.jpg

Tabular:
http://i27.tinypic.com/4lybs.jpg

#2
Also. I wonder why I cannot use fieldsets when I have loaded the
UserProfile models.py file in admin.py. It simply says the field
doesn't exist. Do I have to call the fields differently than in django/
contrib/auth/admin.py where I've seen it work?

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Which query to use?

[edkirin]

Hi there,

I'm new to Django and still having some problems about simple queries.

Let's assume that I'm writting an email application. This is the Mail
model:

class Mail(models.Model):
to = models.ForeignKey(User, related_name = "to")
sender = models.ForeignKey(User, related_name = "sender")
subject = models.CharField()
conversation_id = models.IntegerField()
read = models.BooleanField()
message = models.TextField()
sent_time = models.DateTimeField(auto_now_add = True)

Each mail has conversation_id which identifies a set of email messages
which are written and replyed. Now, for listing emails in inbox, I
would like as gmail to show only last email per conversation.

I tried this:

mails = InterMail.objects.filter(to = request.user).order_by("-
sent_time")
mails.query.group_by = ["conversation_id"]

... but only the first message per conversation is selected. How to
select LAST email in each conversation?

Thank you in advance!

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: No Module named ... problem

[Maksymus007]

On Thu, Sep 3, 2009 at 12:13 PM, phoebebright wrote:
>
> Russ,
>
> Phew - you set me on the right track there.  I actually had an app
> called events at the same level as the main app
>
> /django
>   /appwithproblem
>       /web
>       /events
>   /events
>      /web
>
>
> There are various errors reported - like the above .__init__ one where
> python behaves correctly but not in the way some newbies might
> expect.  Be great to write an app that looked for all these possible
> errors  - called "dont_do_that" maybe.  If I had a spare 5 mins
>
>
> Thanks so much.
>

Did you checked module's directory permissions? I had similar problem
and simply solved by proper chmod

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: No Module named ... problem

[phoebebright]

Russ,

Phew - you set me on the right track there.  I actually had an app
called events at the same level as the main app

/django
   /appwithproblem
   /web
   /events
   /events
  /web


There are various errors reported - like the above .__init__ one where
python behaves correctly but not in the way some newbies might
expect.  Be great to write an app that looked for all these possible
errors  - called "dont_do_that" maybe.  If I had a spare 5 mins


Thanks so much.




On Sep 3, 12:39 am, Russell Keith-Magee 
wrote:
> On Wed, Sep 2, 2009 at 11:38 PM, phoebebright wrote:
>
> > And it's not a missing __init__.py program that I can see.
>
> > Am trying to move a site to a new server - CentOS to Ubuntu and
> > version of python are changing from 2.4.3 to 2.5.2 and using wsgi now
> > instead of mod_python.
>
> > I already have one django site running on the new server so the basic
> > setup is ok.
> > The old site runs fine on the old server
> > But when I copy the code across, and the data, and change the settings
> > and try to run I get
>
> > ViewDoesNotExist
> > Exception Value:
> > Could not import towns.town.views. Error was: No module named models
>
> > The offending line seems to be:
> >      from events.models import Event
>
> > There is an events app off the main directory
> > It has a __init__.py
> > There is a models.py and it does contain a class Event
> > The paths look fine.
>
> > I've deleted and recopied the whole lot, restarted apache countless
> > times, deleted the offending line and it just falls over on the next
> > reference to the events.model file.
>
> > Googled till I'm cross eyed - I bet it's something simple but I'm
> > baffled!
>
> > An ideas gratefully received.
>
> One possible cause is a naming confusion. Take the following directory
> structure:
>
> events/
>     __init__.py
>     models.py
> stuff/
>     __init__.py
>     events.py
>     utils.py
>
> In this situation, if utils.py includes "from events.models import
> Event", you will get the error you describe because the 'events'
> module that is found is actually stuff.events, not the top level
> events.
>
> This error can even persist after you delete the events.py - if
> events.pyc still exists in the stuff directory, it will get used in
> preference to the actual code module.
>
> I don't know if this is your problem specifically, but this has bitten
> me in the past.
>
> Yours,
> Russ Magee %-)
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: djangol_tables

[Andrew McGregor]

On Thu, Sep 3, 2009 at 11:05 AM, luca72 wrote:
>
> I have fount an exple that show how to create a teble :
> the first line is
> import django_tables as tables
>
> but i get the error that django_tables don't exist
> can you tell me how to render the table

Is that a 3rd party module?  If so, have you installed it?

If you have, have you added it to sys.path so Django knows where to find it?

-- 
Andrew McGregor
07940 22 33 11

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

djangol_tables

[luca72]

I have fount an exple that show how to create a teble :
the first line is
import django_tables as tables

but i get the error that django_tables don't exist
can you tell me how to render the table

regards

Luca
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: context processors in 404 errors

[Alessandro]

2009/9/1 Karen Tracey 

> On Tue, Sep 1, 2009 at 12:02 PM, Alessandro Ronchi <
> alessandro.ron...@soasi.com> wrote:
>
>> When I return a 500 error I need to have my context_processor, in which I
>> store some important vars used in my template. Is it possible?
>>
>
> Your subject line says 404 errors but your text says 500.  Which are you
> asking about?
>
>
sorry, the problem is on 500 errors. on 404 the context is correct (i've
tried).



-- 
Alessandro Ronchi

SOASI
Sviluppo Software e Sistemi Open Source
http://www.soasi.com

--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Naive redirection programming question

[Spajderix]

I don't know if this is the best solution, but I made a 
context_preocessor which add content from session variable to every 
template i load. I then put in my layout a variable to show it. Finally, 
every time I want to show some message i add it to a given variable in 
session. Code for context processor looks like this:

def 
flash(request): 
 

#return {'flash': {'notice': 
'works'}}   


notice = request.session.get('flash_notice', 
False)  



request.session['flash_notice']=False   
 

warning = request.session.get('flash_warning', 
False)  
  


request.session['flash_warning']=False  
 

error = request.session.get('flash_error', 
False)  
  


request.session['flash_error']=False
 


 

#sprawdza czy sa w ogole jakiekolwiek 
flashe  
   

if notice or warning or 
error:  
 

messages = 
True
  


else:   
 

messages = 
False   
  


 

return {'flash': {'notice': notice, 'warning': warning, 'error': 
error, 'messages': 
messages}}  

it checks for three types of messages: notice, warning and error. It 
also add additional variable 'messages' to indicate if there is any 
message to show at all. So, the only thing you need to do is add a 
message to given session variable and reload/redirect a page. You can 
read up on context processors and how to use them in django documentation.

Rodney Topor pisze:
> Suppose you've just processed posted form data and successfully added
> a new item to the database.  Now you return HttpResponseRedirect('/
> items/') (I know, you should use a pattern name not an absolute URL
> here) to display the list of items, including the newly added item.
>
> But, suppose you want to prefix the list of items with a message,
> e.g., "Congratulations, your item was successfully added.".  If you
> were returning render_to_response('item_list.html"), you could pass in
> a dictionary {"message": message}, and the template could display the
> variable message if it is not empty.
>
> How can you do something similar when using HttpResponseRedirect()?
>
> Or am I thinking about this problem the wrong way?
>
> Thanks.
> >
>   


--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---

Re: Naive redirection programming question

[Daniel Roseman]

On Sep 3, 3:36 am, Rodney Topor  wrote:
> Suppose you've just processed posted form data and successfully added
> a new item to the database.  Now you return HttpResponseRedirect('/
> items/') (I know, you should use a pattern name not an absolute URL
> here) to display the list of items, including the newly added item.
>
> But, suppose you want to prefix the list of items with a message,
> e.g., "Congratulations, your item was successfully added.".  If you
> were returning render_to_response('item_list.html"), you could pass in
> a dictionary {"message": message}, and the template could display the
> variable message if it is not empty.
>
> How can you do something similar when using HttpResponseRedirect()?
>
> Or am I thinking about this problem the wrong way?
>
> Thanks.

If your user is logged in, you can use the authentication framework's
Message class:
http://docs.djangoproject.com/en/dev/topics/auth/#messages

Otherwise, you could store it in the session temporarily, or use a GET
parameter:
HttpResponseRedirect('/items/?message=Thank+you+for+your+submission')
and get your view to pass request.GET['message'] into the template
context.
--
DR.
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to 
django-users+unsubscr...@googlegroups.com
For more options, visit this group at 
http://groups.google.com/group/django-users?hl=en
-~--~~~~--~~--~--~---