Re: unknown column in field list

[Malcolm Tredinnick]

On Sat, 2009-04-11 at 18:56 -0700, nixon66 wrote:
> I have a legacy database that I used  inspectdb to create the models.
> I cleaned up the models, set primary keys, foriegn keys etc. But when
> I tried to create a view  I get an "unknown column activity.fp_id_id
> in field list". I'm not sure why its appending an extra id to the end
> of a foriegnkey field. Here are the two models in question:

[...]
> class Activity(models.Model):
> activity_id = models.CharField(max_length=10, primary_key=True)
> fp_id = models.ForeignKey(Clients, max_length=10, blank=True)

This is where the problem is arising. ForeignKey objects at the Python
level store an object. At the database level, they obviously don't do
that and store a reference to the primary key (or some other unique
field) in the related table. The normal way to convert the Python-level
attribute to a database column name for related fields is to append an
"_id" suffix.

You have two choices here, one is to use the db_column attribute on the
field to specify the column name. The probably better method is to name
the attribute "fp" in the Django model. After all, it's *not* an id
value, it's an object, so the current name, suggesting it's an id is a
bit misleading.

Regards,
Malcolm



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unknown column in field list

[nixon66]

Forgot to add the view  I'm using.

def country_detail(request, country):
c = Country.objects.get(slug=country)
lobbyists = Activity.objects.filter(country=c)
return render_to_response('country/country_detail.html',
{'country':c,
'lobbyists':lobbyists})
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Re: unknown column in field list

[nixon66]

oh, forgot to add the view I'm using. Here is the view.


def country_detail(request, country):
c = Country.objects.get(slug=country)
lobbyists = Activity.objects.filter(country=c)
return render_to_response('country/country_detail.html',
{'country':c,
'lobbyists':lobbyists})

On Apr 11, 9:56 pm, nixon66  wrote:
> I have a legacy database that I used  inspectdb to create the models.
> I cleaned up the models, set primary keys, foriegn keys etc. But when
> I tried to create a view  I get an "unknown column activity.fp_id_id
> in field list". I'm not sure why its appending an extra id to the end
> of a foriegnkey field. Here are the two models in question:
>
> class Clients(models.Model):
>     fp_id = models.CharField(max_length=10, primary_key=True)
>     fp_name = models.CharField(max_length=200, blank=True)
>     slug = models.CharField(max_length=200, blank=True)
>     reg_date = models.CharField(max_length=20, blank=True)
>     termination_date = models.CharField(max_length=20, blank=True)
>     address_is_foreign = models.CharField(max_length=2, blank=True)
>     address_1 = models.CharField(max_length=100, blank=True)
>     city = models.CharField(max_length=50, blank=True)
>     state = models.CharField(max_length=10, blank=True)
>     country = models.CharField(max_length=2, blank=True)
>     zipcode = models.CharField(max_length=10, blank=True)
>     foreign_cntry_represented = models.ForeignKey(Country,
> max_length=2, blank=True)
>     class Meta:
>         db_table = u'clients'
>
>     def __unicode__(self):
>         return self.country
>
>     def get_absolute_url(self):
>         return 'lobby/client/%s/' % self.slug
>
> class Activity(models.Model):
>     activity_id = models.CharField(max_length=10, primary_key=True)
>     fp_id = models.ForeignKey(Clients, max_length=10, blank=True)
>     reg_id = models.ForeignKey(Lobbyist, max_length=10, blank=True)
>     supp_id = models.CharField(max_length=10, blank=True)
>     period_start_date = models.DateTimeField(null=True, blank=True)
>     period_end_date = models.DateTimeField(null=True, blank=True)
>  activity_type=models.ForeignKey
> (Lobbytype,max_length=50,related_name="activity_type", blank=True)
>     slug = models.CharField(max_length=765, blank=True)
>     activity_desc = models.TextField(blank=True)
>     financial_amount = models.FloatField(null=True, blank=True)
>     financial_desc = models.TextField(blank=True)
>     country = models.CharField(max_length=2, primary_key=True)
>     year = models.CharField(max_length=5, blank=True)
>     class Meta:
>         db_table = u'activity'
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unknown column in field list

[nixon66]

I have a legacy database that I used  inspectdb to create the models.
I cleaned up the models, set primary keys, foriegn keys etc. But when
I tried to create a view  I get an "unknown column activity.fp_id_id
in field list". I'm not sure why its appending an extra id to the end
of a foriegnkey field. Here are the two models in question:

class Clients(models.Model):
fp_id = models.CharField(max_length=10, primary_key=True)
fp_name = models.CharField(max_length=200, blank=True)
slug = models.CharField(max_length=200, blank=True)
reg_date = models.CharField(max_length=20, blank=True)
termination_date = models.CharField(max_length=20, blank=True)
address_is_foreign = models.CharField(max_length=2, blank=True)
address_1 = models.CharField(max_length=100, blank=True)
city = models.CharField(max_length=50, blank=True)
state = models.CharField(max_length=10, blank=True)
country = models.CharField(max_length=2, blank=True)
zipcode = models.CharField(max_length=10, blank=True)
foreign_cntry_represented = models.ForeignKey(Country,
max_length=2, blank=True)
class Meta:
db_table = u'clients'

def __unicode__(self):
return self.country

def get_absolute_url(self):
return 'lobby/client/%s/' % self.slug


class Activity(models.Model):
activity_id = models.CharField(max_length=10, primary_key=True)
fp_id = models.ForeignKey(Clients, max_length=10, blank=True)
reg_id = models.ForeignKey(Lobbyist, max_length=10, blank=True)
supp_id = models.CharField(max_length=10, blank=True)
period_start_date = models.DateTimeField(null=True, blank=True)
period_end_date = models.DateTimeField(null=True, blank=True)
 activity_type=models.ForeignKey
(Lobbytype,max_length=50,related_name="activity_type", blank=True)
slug = models.CharField(max_length=765, blank=True)
activity_desc = models.TextField(blank=True)
financial_amount = models.FloatField(null=True, blank=True)
financial_desc = models.TextField(blank=True)
country = models.CharField(max_length=2, primary_key=True)
year = models.CharField(max_length=5, blank=True)
class Meta:
db_table = u'activity'



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Re: UnpickleableError when sessions are saved

[Alex Gaynor]

On Sat, Apr 11, 2009 at 9:45 PM, Iqbal Abdullah wrote:

>
> Hi guys,
>
> In one of our views, we're getting the error below:
>
> Traceback (most recent call last):
>  File "/usr/lib/python2.5/site-packages/django/core/servers/
> basehttp.py", line 278, in run
>self.result = application(self.environ, self.start_response)
>  File "/usr/lib/python2.5/site-packages/django/core/servers/
> basehttp.py", line 635, in __call__
>return self.application(environ, start_response)
>  File "/usr/lib/python2.5/site-packages/django/core/handlers/
> wsgi.py", line 243, in __call__
>response = middleware_method(request, response)
>  File "/usr/lib/python2.5/site-packages/django/contrib/sessions/
> middleware.py", line 35, in process_response
>request.session.save()
>  File "/usr/lib/python2.5/site-packages/django/contrib/sessions/
> backends/db.py", line 53, in save
>session_data = self.encode(self._get_session
> (no_load=must_create)),
>  File "/usr/lib/python2.5/site-packages/django/contrib/sessions/
> backends/base.py", line 88, in encode
>pickled = pickle.dumps(session_dict, pickle.HIGHEST_PROTOCOL)
> UnpickleableError: Cannot pickle  objects
>
> By outputting debug strings, I've found out that this error occurs
> after the view gets read and before the output to the browser.
>
> 'ImagingCore' here might be referencing to PIL (Python Imaging
> Library) images which are stored in memory which are in turn are
> stored in one of the objects which are stored into request.session in
> this particular view.
>
> I can confirm that the other parts of the view which does not process
> the images are ok.
>
> Versions used:
> Django-1.0.2-final
> we're using the development server that comes with django
>
> So my question is: I'm wodering if there are any restrictions to the
> data types which we can store in request.sessions?
>
> >
>
As the error message indicates(sort of), the only things that can be put in
request.session are things that can be pickled, most things in Django itself
can be(things like Querysets).  When you have your own objects(or other 3rd
party libs) you'll have to make sure those objs can be pickled.

Alex

-- 
"I disapprove of what you say, but I will defend to the death your right to
say it." --Voltaire
"The people's good is the highest law."--Cicero

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UnpickleableError when sessions are saved

[Iqbal Abdullah]

Hi guys,

In one of our views, we're getting the error below:

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/django/core/servers/
basehttp.py", line 278, in run
self.result = application(self.environ, self.start_response)
  File "/usr/lib/python2.5/site-packages/django/core/servers/
basehttp.py", line 635, in __call__
return self.application(environ, start_response)
  File "/usr/lib/python2.5/site-packages/django/core/handlers/
wsgi.py", line 243, in __call__
response = middleware_method(request, response)
  File "/usr/lib/python2.5/site-packages/django/contrib/sessions/
middleware.py", line 35, in process_response
request.session.save()
  File "/usr/lib/python2.5/site-packages/django/contrib/sessions/
backends/db.py", line 53, in save
session_data = self.encode(self._get_session
(no_load=must_create)),
  File "/usr/lib/python2.5/site-packages/django/contrib/sessions/
backends/base.py", line 88, in encode
pickled = pickle.dumps(session_dict, pickle.HIGHEST_PROTOCOL)
UnpickleableError: Cannot pickle  objects

By outputting debug strings, I've found out that this error occurs
after the view gets read and before the output to the browser.

'ImagingCore' here might be referencing to PIL (Python Imaging
Library) images which are stored in memory which are in turn are
stored in one of the objects which are stored into request.session in
this particular view.

I can confirm that the other parts of the view which does not process
the images are ok.

Versions used:
Django-1.0.2-final
we're using the development server that comes with django

So my question is: I'm wodering if there are any restrictions to the
data types which we can store in request.sessions?

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Re: Django admin page hangs in django server - where is web server error log?

[Malcolm Tredinnick]

On Sat, 2009-04-11 at 17:40 -0700, adelein wrote:
> Hi Zain,
> 
> The thing is that I was able to access the main page before I changed
> the urls.py file, so I think that means that the port isnt being
> blocked. Something to do with the urls.py file is messed up : (

Then go back and try things out slowly. Firstly, don't try to work on an
external IP address. Just test on localhost, since that removes one
variable that isn't necessary. Make sure that removing the admin line
from urls.py does make things go back to working again when you're
accessing on localhost. Then compare your urls.py to what is in the
tutorial very carefully (I can't see anything's that different just from
looking at it quickly).

If the admin url template was broken, we'd hear about it very quickly. I
worked through the tutorial yesterday from beginning to end and
encountered no problems with access, so you're right in thinking it's
something different about your particular setup.

If all else fails, go back to the start and try again in a different
directory. You already have the Poll model, so you won't have to type
that in again. Start from "django-admin.py startproject", set up
settings.py, run "startapp polls" and copy in your existing models.py
file. Test things on localhost and it should work. Then you have two
versions to compare.

Regards,
Malcolm



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Re: Django admin page hangs in django server - where is web server error log?

[adelein]

Hi Zain,

The thing is that I was able to access the main page before I changed
the urls.py file, so I think that means that the port isnt being
blocked. Something to do with the urls.py file is messed up : (

Thanks


On Apr 11, 5:35 pm, Zain Memon  wrote:
> Since no messages are shown in the log, the connection is most likely being
> blocked somewhere upstream. Check that you've allowed port 8001 through any
> firewalls or routers you have set up.
> Zain
>
> On Sat, Apr 11, 2009 at 5:23 PM, adelein  wrote:
>
> > This is the server output:
>
> > [r...@bellatrix djangoblog]# python manage.py runserver
> > 93.186.171.54:8001
> > Validating models...
> > 0 errors found
>
> > Django version 1.1 beta 1 SVN-10504, using settings
> > 'djangoblog.settings'
> > Development server is running athttp://93.186.171.54:8001/
> > Quit the server with CONTROL-C.
>
> > So no errors. Yet admin page is blank as you can see if you go to
> >http://93.186.171.54:8001/admin.
>
> > On Apr 11, 5:21 pm, adelein  wrote:
> > > Yes, and I see no errors there. Still the admin page does not load at
> > > all. I cant find any similar problems through google.
>
> > > On Apr 11, 5:17 pm, Malcolm Tredinnick 
> > > wrote:
>
> > > > On Sat, 2009-04-11 at 17:09 -0700, adelein wrote:
>
> > > > > Hi,
>
> > > > > Sorry, I meant to say urls.py of course. So, given I did put the code
> > > > > in the right file, the problem still remains.
>
> > > > If you're following the tutorial, then you will be running the
> > > > development server. So all "server log" style output will be printed to
> > > > the terminal that you used to start the server.
>
> > > > Regards,
> > > > Malcolm
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Re: Admin in frontend

[Marcello Parra]

OK Malcom
Thanks again...
I will play some more with it.

Marcello

On 4/11/09, Malcolm Tredinnick  wrote:
>
> On Sat, 2009-04-11 at 21:10 -0300, Marcello Parra wrote:
>> Hello Malcom,
>>
>> Thanks for your help...
>> I think of a frontend as the user part of the site... where I will
>> provide users pages with proper layout and the admin site, is the one
>> provided by django admin where I would manage some tables, with
>> default django layout...
>>
>> You must consider that I very new to Django and there is a chance that
>> I miss something here...
>
> I think what you're missing is that the division you are talking about
> doesn't really exist. You can think of it that way for documentation or
> social organisation purposes if you like, but it's not any kind of
> technical, functional or usability division. You access the admin pages
> through your web browser in exactly the same way as any other part of
> the site. There is no difference between the admin application and any
> other applications in Django (in that respect).
>
> Regards,
> Malcolm
>
>
>
> >
>

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Re: Django admin page hangs in django server - where is web server error log?

[Zain Memon]

Since no messages are shown in the log, the connection is most likely being
blocked somewhere upstream. Check that you've allowed port 8001 through any
firewalls or routers you have set up.
Zain

On Sat, Apr 11, 2009 at 5:23 PM, adelein  wrote:

>
> This is the server output:
>
>
> [r...@bellatrix djangoblog]# python manage.py runserver
> 93.186.171.54:8001
> Validating models...
> 0 errors found
>
> Django version 1.1 beta 1 SVN-10504, using settings
> 'djangoblog.settings'
> Development server is running at http://93.186.171.54:8001/
> Quit the server with CONTROL-C.
>
>
> So no errors. Yet admin page is blank as you can see if you go to
> http://93.186.171.54:8001/admin.
>
> On Apr 11, 5:21 pm, adelein  wrote:
> > Yes, and I see no errors there. Still the admin page does not load at
> > all. I cant find any similar problems through google.
> >
> > On Apr 11, 5:17 pm, Malcolm Tredinnick 
> > wrote:
> >
> > > On Sat, 2009-04-11 at 17:09 -0700, adelein wrote:
> >
> > > > Hi,
> >
> > > > Sorry, I meant to say urls.py of course. So, given I did put the code
> > > > in the right file, the problem still remains.
> >
> > > If you're following the tutorial, then you will be running the
> > > development server. So all "server log" style output will be printed to
> > > the terminal that you used to start the server.
> >
> > > Regards,
> > > Malcolm
> >
>

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Re: Django admin page hangs in django server - where is web server error log?

[adelein]

This is the server output:


[r...@bellatrix djangoblog]# python manage.py runserver
93.186.171.54:8001
Validating models...
0 errors found

Django version 1.1 beta 1 SVN-10504, using settings
'djangoblog.settings'
Development server is running at http://93.186.171.54:8001/
Quit the server with CONTROL-C.


So no errors. Yet admin page is blank as you can see if you go to
http://93.186.171.54:8001/admin.

On Apr 11, 5:21 pm, adelein  wrote:
> Yes, and I see no errors there. Still the admin page does not load at
> all. I cant find any similar problems through google.
>
> On Apr 11, 5:17 pm, Malcolm Tredinnick 
> wrote:
>
> > On Sat, 2009-04-11 at 17:09 -0700, adelein wrote:
>
> > > Hi,
>
> > > Sorry, I meant to say urls.py of course. So, given I did put the code
> > > in the right file, the problem still remains.
>
> > If you're following the tutorial, then you will be running the
> > development server. So all "server log" style output will be printed to
> > the terminal that you used to start the server.
>
> > Regards,
> > Malcolm
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Re: Django admin page hangs in django server - where is web server error log?

[adelein]

Yes, and I see no errors there. Still the admin page does not load at
all. I cant find any similar problems through google.

On Apr 11, 5:17 pm, Malcolm Tredinnick 
wrote:
> On Sat, 2009-04-11 at 17:09 -0700, adelein wrote:
>
> > Hi,
>
> > Sorry, I meant to say urls.py of course. So, given I did put the code
> > in the right file, the problem still remains.
>
> If you're following the tutorial, then you will be running the
> development server. So all "server log" style output will be printed to
> the terminal that you used to start the server.
>
> Regards,
> Malcolm
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Re: Django admin page hangs in django server - where is web server error log?

[Malcolm Tredinnick]

On Sat, 2009-04-11 at 17:09 -0700, adelein wrote:
> 
> Hi,
> 
> Sorry, I meant to say urls.py of course. So, given I did put the code
> in the right file, the problem still remains.

If you're following the tutorial, then you will be running the
development server. So all "server log" style output will be printed to
the terminal that you used to start the server.

Regards,
Malcolm



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Re: Admin in frontend

[Malcolm Tredinnick]

On Sat, 2009-04-11 at 21:10 -0300, Marcello Parra wrote:
> Hello Malcom,
> 
> Thanks for your help...
> I think of a frontend as the user part of the site... where I will
> provide users pages with proper layout and the admin site, is the one
> provided by django admin where I would manage some tables, with
> default django layout...
> 
> You must consider that I very new to Django and there is a chance that
> I miss something here...

I think what you're missing is that the division you are talking about
doesn't really exist. You can think of it that way for documentation or
social organisation purposes if you like, but it's not any kind of
technical, functional or usability division. You access the admin pages
through your web browser in exactly the same way as any other part of
the site. There is no difference between the admin application and any
other applications in Django (in that respect).

Regards,
Malcolm



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Re: Admin in frontend

[Marcello Parra]

Hello Malcom,

Thanks for your help...
I think of a frontend as the user part of the site... where I will
provide users pages with proper layout and the admin site, is the one
provided by django admin where I would manage some tables, with
default django layout...

You must consider that I very new to Django and there is a chance that
I miss something here...

Marcello



On 4/11/09, Malcolm Tredinnick  wrote:
>
> On Sat, 2009-04-11 at 11:51 -0300, Marcello Parra wrote:
>> Hello,
>>
>> I'm planning a site with django.
>> It need to have some functionalities that are very similar to Django's
>> admin (like CRUD in some tables, with validations, etc...). But I
>> would not like to have two sections (frontend and admin) in it 
>> So, my question is: is there a way to use already made admin's
>> funcionalities in my frontend without having to rewrite them ??
>>
>
> What do you mean by "frontend"? The admin site is just a set of
> webpages. It's not special in any way.
>
> Regards,
> Malcolm
>
>
>
> >
>

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Re: Django admin page hangs in django server - where is web server error log?

[adelein]

Hi,

Sorry, I meant to say urls.py of course. So, given I did put the code
in the right file, the problem still remains.


-Adelein


On Apr 11, 1:58 pm, Daniel Roseman 
wrote:
> On Apr 11, 8:42 pm, adelein  wrote:
>
>
>
> > Hi,
>
> > Myhttp://localhost:8000/adminpageis hanging in the django server
> > and I get "Error 320 (net::ERR_INVALID_RESPONSE): Unknown error."
> > after a while.
>
> > I am running on fedora 7.
>
> > I am following the django tutorial and I am using the latest svn
> > django version.
>
> > After I set this in the settings.py and go to thehttp://localhost:8000/admin
> > page it just hangs:
>
> > from django.conf.urls.defaults import *
>
> > # Uncomment the next two lines to enable the admin:
> > from django.contrib import admin
> > admin.autodiscover()
>
> > urlpatterns = patterns('',
> >     # Example:
> >     # (r'^mysite/', include('mysite.foo.urls')),
>
> >     # Uncomment the admin/doc line below and add
> > 'django.contrib.admindocs'
> >     # to INSTALLED_APPS to enable admin documentation:
> >     # (r'^admin/doc/', include('django.contrib.admindocs.urls')),
>
> >     # Uncomment the next line to enable the admin:
> >     (r'^admin/', include(admin.site.urls)),
> > )
>
> > First, I dont know how to access the web server error log?
>
> > Anyone has any idea?
>
> > Thanks!
>
> > -Adelein
>
> If that's your settings.py, you should go back and read the tutorial
> again. That code should go in your urls.py.
>
> I assume by 'the Django server' you mean the built-in development
> server. As the name implies, this is only for development, and doesn't
> have an 'error log'. All errors are displayed in the console.
> --
> DR.
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Re: every time that I load a form page, i have to reload the page to make errors go away

[Alex Gaynor]

On Sat, Apr 11, 2009 at 7:24 PM, Malcolm Tredinnick <
malc...@pointy-stick.com> wrote:

>
> On Sat, 2009-04-11 at 19:23 -0400, Alex Gaynor wrote:
> [...]
> >
> >
> > Even if your application is exclusively for your own usage, it's not
> > uncommon for the pointy haired boss to come in with requests to change
> > a URL hierarchy, and there's no reason to create more work for
> > yourself.
>
> Which is what James wrote, right?
>
> Malcolm
>
>
>
> >
>
Well talked about the generic, "change the URL it's deployed at" case, you
mentioned that for an application you distribute this is especially
important.  I just wanted to note that it's very true even if that's not the
case.

Alex

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say it." --Voltaire
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Re: every time that I load a form page, i have to reload the page to make errors go away

[Malcolm Tredinnick]

On Sat, 2009-04-11 at 19:23 -0400, Alex Gaynor wrote:
[...]
> 
> 
> Even if your application is exclusively for your own usage, it's not
> uncommon for the pointy haired boss to come in with requests to change
> a URL hierarchy, and there's no reason to create more work for
> yourself.

Which is what James wrote, right?

Malcolm



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Re: every time that I load a form page, i have to reload the page to make errors go away

[Alex Gaynor]

On Sat, Apr 11, 2009 at 7:21 PM, Malcolm Tredinnick <
malc...@pointy-stick.com> wrote:

>
> On Sat, 2009-04-11 at 17:49 -0500, James Bennett wrote:
> > On Sat, Apr 11, 2009 at 5:13 PM, codecowboy  wrote:
> > > I've followed some examples from around the Django community and that
> > > is why I use the reverse() method at all.  What is the point of using
> > > the reverse() method?
> >
> > Well, there's a problem you'll run into fairly often.
> >
> > Suppose, for example, that you set up a weblog, and you have it at the
> > URL "/weblog/". So in your templates you have links to "/weblog/", in
> > your code the get_absolute_url() method of entries returns a string
> > containing "/weblog/", any redirects involved have to have "/weblog/"
> > in the URL, etc.
> >
> > And then one day you suddenly need to deploy another copy of the
> > appliation, but on a site which wants the weblog at "/blog/".
>
> As James is well aware, but I'd like to make it explicit: This is
> particularly true if you're writing an application that is going to be
> distributed and used by a broader audience. You have absolutely no idea
> where the end-users are going to install your application in the their
> URL hierarchy. Tying your application to some particular URLs is simply
> poor design practice in those cases.
>
> Regards,
> Malcolm
>
>
> >
>
Even if your application is exclusively for your own usage, it's not
uncommon for the pointy haired boss to come in with requests to change a URL
hierarchy, and there's no reason to create more work for yourself.

Alex

-- 
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say it." --Voltaire
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Re: every time that I load a form page, i have to reload the page to make errors go away

[Malcolm Tredinnick]

On Sat, 2009-04-11 at 17:49 -0500, James Bennett wrote:
> On Sat, Apr 11, 2009 at 5:13 PM, codecowboy  wrote:
> > I've followed some examples from around the Django community and that
> > is why I use the reverse() method at all.  What is the point of using
> > the reverse() method?
> 
> Well, there's a problem you'll run into fairly often.
> 
> Suppose, for example, that you set up a weblog, and you have it at the
> URL "/weblog/". So in your templates you have links to "/weblog/", in
> your code the get_absolute_url() method of entries returns a string
> containing "/weblog/", any redirects involved have to have "/weblog/"
> in the URL, etc.
> 
> And then one day you suddenly need to deploy another copy of the
> appliation, but on a site which wants the weblog at "/blog/".

As James is well aware, but I'd like to make it explicit: This is
particularly true if you're writing an application that is going to be
distributed and used by a broader audience. You have absolutely no idea
where the end-users are going to install your application in the their
URL hierarchy. Tying your application to some particular URLs is simply
poor design practice in those cases.

Regards,
Malcolm


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Re: Template filter with plural tag [Solved]

[Kless]

Thanks!

It works as charm.

On 11 abr, 22:54, Malcolm Tredinnick  wrote:
> Indeed, this is possible. You need to use a number for the counting
> portion of the blocktrans-plural combination, so that gettext can use
> the number to determine the plural form. The trick is that you use the
> same variable again, combined with a filter as another alias inside the
> translation block to represent the content you want. Like this:
>
>         {% blocktrans count list as number and list|apnumber as word %}
>         There is {{ word }} object.
>         {% plural %}
>         There are {{ word }} objects.
>         {% endblocktrans %}

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Re: how to use email instead of username for user authentication?

[Malcolm Tredinnick]

On Sat, 2009-04-11 at 07:52 -0700, pkenjora wrote:
> Malcom,

Well, I'm not "Malcom" (sic), but I'll reply anyway.

>Google, FaceBook, and LinkedIn have been using email authentication
> for how long now?  With the default constraints you've put on Django a
> developer would have to "work around" the out of the box code to make
> the project behave like the big 3 names on the web.

There's some assumption there that what they're doing is a good idea.
Their systems have the usability problems I've mentioned. It's also not
clear their authentication methods are the best around. In any case, as
I note below (and have written elsewhere), you're simply not restricted
from using this system and can do so without patching Django, if that's
the way you want to go. There's no restriction in place here!

The combined size of forums and social networking sites not pretending
that my "handle" is an email address is, I'll wager, larger than
Facebook or LinkedIn, certainly. Which has precisely the same small
weight as your examples. The point being that there are valid use-cases
in both directions and you'll notice that that's never been disputed.

[...]
>   As far as your reasons go, I'm fairly sure its just as easy to
> change the email as it is the username, 

I'm sorry you feel that way. It's patently false. The username is only
used on the site you are creating an account for. Your email address has
much wider usage and creating a new one isn't always possible or
desirable (signing up to one of the hosted services requires agreeing to
T that are often unpleasant). The username when creating a new account
on a site has much less currency.

> I would even argue that my
> username (display name) could change but my login credentials should
> stay the same. 

You are assuming that the username is the display name. That might be a
secondary use for it and it sometimes works well for that. However, the
username is primarily the unique identifier for the user within the
system. It's the thing that won't change. Having a display name,
particularly one that can change is also quite common and it's for
extensions like that that user profile exist for.

Login credentials are not the same as identifier within the system. The
login credentials should definitely be permitted to change. Having an
account tied to an email address is tragic when that email address is no
longer accessible to you (for example, it was a company address and
you've since left the company). Allowing the email address to change --
and hence not making it the entity identifier -- is a good thing.

>   You are correct, username authentication has always been around.
> However, the explicit banning and obfuscating of email authentication
> in the default module has not. 

I'm sorry, but that's simply not correct. I pointed that out earlier in
the thread.

You have the version control history, please feel free to find the
released version of Django where this wasn't the case and correct me if
you really feel this is not the case.

>  That is the part that worries me, that
> is where things are going wrong.
> 
>   We're all professionals here, we all take the time to leave feedback
> in the hopes of improving Django. 

Which is a given. Not a partricularly relevant comment for this thread,
unless you're trying to imply something sinister, since there's no
indication that feedback isn't being listened to. In fact, in this case,
it's being answered with both technical and usability reasons for the
current behaviour.

>  I have a sneaking suspicion that
> project specific requirements crept into the trunk because it was
> easier than patching every time. 

Whereas, I have a sneaking suspicion that you've forgotten your history.
Now we both have sneaking suspicions. It's all very suspicous. :-)

Part of the problem with threads like this is the built-in assumptions
people are bringing to the table. The username field in the User model
is just the unique identifier in the system. If you want to use the
email address for login, it's fairly easy to do so: writing auth
backends is supported and encouraged. You never have to show the
username to users (so you could generate a more-or-less random
identifier when creating the account) and that's fairly standard
practice in a bunch of projects I've seen. It's also not uncommon to add
a user-editable display name in a user profile class, etc, etc.

You're argument is about a bit of a red herring because it's assigning
more import to the username field than it deserves. That field simply
isn't intrinsic to a user's experience on the site because you are in
complete control as to what information you show and what information
you authenticate against on your site. Before complaining that "oh, no,
now I have to write my own login method", yes, big deal! You have to
write half a dozen lines once, or use somebody else's. Just like you do
when supporting OpenID or Facebook Connect or other authentication
systems.

Django 

Re: Template filter with plural tag

[Malcolm Tredinnick]

On Sat, 2009-04-11 at 12:40 -0700, Kless wrote:
> I would to pluralize into a translation block [1] but I also want to
> apply the 'apnumber' template filter [2]
> ---
> {% load humanize %}
> {% load i18n %}
> 
> {% blocktrans count list|apnumber as number %}
> There is {{ number }} object.
> {% plural %}
> There are {{ number }} objects.
> {% endblocktrans %}
> ---
> 
> The problem is that if the filter is used then the 'plural' tag
> doesn't works.
> 
> Is there any way to solve it?

Indeed, this is possible. You need to use a number for the counting
portion of the blocktrans-plural combination, so that gettext can use
the number to determine the plural form. The trick is that you use the
same variable again, combined with a filter as another alias inside the
translation block to represent the content you want. Like this:

{% blocktrans count list as number and list|apnumber as word %}
There is {{ word }} object.
{% plural %}
There are {{ word }} objects.
{% endblocktrans %}

Regards,
Malcolm


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Re: every time that I load a form page, i have to reload the page to make errors go away

[James Bennett]

On Sat, Apr 11, 2009 at 5:13 PM, codecowboy  wrote:
> I've followed some examples from around the Django community and that
> is why I use the reverse() method at all.  What is the point of using
> the reverse() method?

Well, there's a problem you'll run into fairly often.

Suppose, for example, that you set up a weblog, and you have it at the
URL "/weblog/". So in your templates you have links to "/weblog/", in
your code the get_absolute_url() method of entries returns a string
containing "/weblog/", any redirects involved have to have "/weblog/"
in the URL, etc.

And then one day you suddenly need to deploy another copy of the
appliation, but on a site which wants the weblog at "/blog/".

Reverse URL resolution lets you easily make this kind of change, or
have an application reused on different sites without changing the
code, by looking up the correct URL in your actual URL configuration
instead of hard-coding it all over the place.

But in order to work, all your URL patterns have to point to views
which actually exist and which live in files that don't raise any kind
of import or syntax errors, since the reverse resolution system has to
scan through your URL patterns to find the right one. If you have any
errors in a view file, or have a URL pattern pointing to a view that
doesn't actually exist in your code, reverse resolution won't work.


-- 
"Bureaucrat Conrad, you are technically correct -- the best kind of correct."

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Re: every time that I load a form page, i have to reload the page to make errors go away

[Mike Ramirez]

On Saturday 11 April 2009 03:13:18 pm codecowboy wrote:
> What is the point of using the reverse() method?
>

I'm answering this because I want to make sure that my idea of it is the same 
as the rest of the community and would definately like feedback on it.


Using this example:

urlpatterns = patterns ('fun', 
url(r'^fun/$', 'views.place', name="fun_place"),
)

reverse('fun_place') will return the url, in this case, 'fun/'.

I use reverse in various view functions and other places, such as http 
redirects. To me it's a lot like the models.permalink decorator on non-model 
based urls and fits in with the DRY philosophy. 

Using this style in your code allows you to edit the the url pattern, or the 
funciton call, or any other part of the url pattern without ever having to 
change anything else in your code, unless you edit the name parameter.  


Mike
 


-- 
Mark's Dental-Chair Discovery:
Dentists are incapable of asking questions that require a
simple yes or no answer.


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Description: This is a digitally signed message part.

Re: Admin in frontend

[Malcolm Tredinnick]

On Sat, 2009-04-11 at 11:51 -0300, Marcello Parra wrote:
> Hello,
> 
> I'm planning a site with django.
> It need to have some functionalities that are very similar to Django's
> admin (like CRUD in some tables, with validations, etc...). But I
> would not like to have two sections (frontend and admin) in it 
> So, my question is: is there a way to use already made admin's
> funcionalities in my frontend without having to rewrite them ??
> 

What do you mean by "frontend"? The admin site is just a set of
webpages. It's not special in any way.

Regards,
Malcolm



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Re: every time that I load a form page, i have to reload the page to make errors go away

[codecowboy]

I've followed some examples from around the Django community and that
is why I use the reverse() method at all.  What is the point of using
the reverse() method?

On Apr 11, 5:03 pm, Daniel Roseman 
wrote:
> On Apr 11, 7:57 pm, codecowboy  wrote:
>
>
>
> > Every time that a load a form on my site, I see the following errors.
> > If I reload the page, they go away and everything works just fine.
> > Does anyone know why?  Thank you in advance.
>
> > TemplateSyntaxError at /eaccounts/register/
>
> > Caught an exception while rendering: Tried edit in module
> > conferences.views. Error was: 'module' object has no attribute 'edit'
>
> > Original Traceback (most recent call last):
> >   File "/usr/lib/python2.5/site-packages/django/template/debug.py",
> > line 71, in render_node
> >     result = node.render(context)
> >   File "/usr/lib/python2.5/site-packages/django/template/
> > defaulttags.py", line 373, in render
> >     url = reverse(self.view_name, args=args, kwargs=kwargs)
> >   File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
> > line 254, in reverse
> >     *args, **kwargs)))
> >   File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
> > line 227, in reverse
> >     possibilities = self.reverse_dict.getlist(lookup_view)
> >   File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
> > line 169, in _get_reverse_dict
> >     self._reverse_dict.appendlist(pattern.callback, (bits, p_pattern))
> >   File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
> > line 136, in _get_callback
> >     raise ViewDoesNotExist, "Tried %s in module %s. Error was: %s" %
> > (func_name, mod_name, str(e))
> > ViewDoesNotExist: Tried edit in module conferences.views. Error was:
> > 'module' object has no attribute 'edit'
>
> The page you are trying to load has either a reverse() call in the
> view, or a {% url %} tag in the template. In order to resolve the
> reverse lookup, Django is trying to load all the views in your urlconf
> - and it looks like one of them has an error. Fix the error in the
> conferences.views.edit function, and the message should go away.
> --
> DR.
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Re: Port in use Error

[rajeev]

Hi,

I'm in the exact same situation
"
Validating models...
0 errors found

Django version 1.0.2 final, using settings 'mylu.settings'
Development server is running at http://127.0.0.1:8000/
Quit the server with CONTROL-C.
Error: That port is already in use. "


but the solution above doesn't solve my problem

./manage.py runserver 127.0.0.1:8001
gives me Permission denied (tho' I'm admin)

sudo netstat -np | grep 8000
 ->
tcp  511  0 127.0.0.1:8000  127.0.0.1:56853
CLOSE_WAIT  -
tcp  443  0 127.0.0.1:8000  127.0.0.1:44749
CLOSE_WAIT  -
tcp  438  0 127.0.0.1:8000  127.0.0.1:44746
CLOSE_WAIT  -
tcp  438  0 127.0.0.1:8000  127.0.0.1:44748
CLOSE_WAIT  -
tcp  443  0 127.0.0.1:8000  127.0.0.1:47211
CLOSE_WAIT  -
tcp  524  0 127.0.0.1:8000  127.0.0.1:60170
CLOSE_WAIT  -

On Mar 17, 9:17 am, TP  wrote:
> gordyt
>
> Thanks this does help, I managed to overcome this problem yesterday,
> but was still slightly confused as to
> why I had the error in the first place, this helps me understand!
>
> Thanks

On Mar 26, 12:25 pm, pcastellazzi  wrote:
> The python uuid library use libuuid from e2fsprogs (at least in
> ubuntu). This particular uuid library spanws a daemon called uuidd to
> help with concurrent uuid generation. As far as i know the only way to
> disable this behaviour is to compile libuuid with --disable-uuidd
> option.
>
> When you run ./manage.py runserver the first time, libuuid launch
> uuidd with fork(2). This cause uuidd to inherit all open file
> descriptors from the parent process. In this case the parent process
> is the python interpreter running manage.py and the open file
> descriptors are among other things the open tcp connections. After
> that manage.py will (probably) hang whiel serving a request, and if it
> is restarted by hand or by changing a file in your application it will
> keep saying port already in use until you kill uuidd.
>
> The most simple workaround is to launch uuidd without parameters. This
> will make the daemon start without open tcp ports and the library will
> not try to run uuidd by it self, then do your normal django
> development stuff and when you are done you can kill uuidd with uuidd -
> k.
>
> On Mar 17, 1:17 pm, TP  wrote:
>
> > gordyt
>
> > Thanks this does help, I managed to overcome this problem yesterday,
> > but was still slightly confused as to
> > why I had the error in the first place, this helps me understand!
>
> > Thanks

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Re: Cannot call a custom model method in my view

[codecowboy]

Thank you Daniel.  I got it working.  That link that you gave me
helped me to figure it out.  I'm curious though, is there ever a
reason in Django to define a method in a model class or would I always
use a custom manager method?

I'm going to post my code here for anyone who has the same question
down the road.  Thanks a lot and I hope that this helps someone else.

- conferences/models.py -

In this file I create a custom manager (ConferenceManager) class with
a custom function (def upcoming(self)).  Notice in the Conference
model that I create a class variable named objects and set it equal to
the custom manager that I created.  This is all that you have to do in
order to access the custom function in your manager.

from django.db import models
from datetime import datetime
from scinet.scientists.models import Scientist

class ConferenceManager(models.Manager):
def upcoming(self):
today = datetime.today()
return super(ConferenceManager, self).get_query_set().filter
(date__gte=(today))

class Conference(models.Model):
title = models.CharField(max_length=200)
description = models.TextField()
date = models.DateTimeField()
scientists = models.ManyToManyField(Scientist,
through='ConferenceAttendee')
created = models.DateTimeField()
modified = models.DateTimeField()

objects = ConferenceManager()

- conferences/views.py -

As you can see, once you create the model the way that I did above,
you will be able to call the upcoming() function like I did.  "uc =
Conference.objects.upcoming()".

def detail(request, conference_id):
c = get_object_or_404(Conference, pk=conference_id)

# Get all upcoming conferences
uc = Conference.objects.upcoming()

return render_to_response('conferences/detail.html',
{'conference': c, 'upcoming_conferences' : uc})

- templates/conferences/details.html -

The template is not relevant here but I will include it just for the
sake of providing a complete.

Upcoming Conferences


{% for conference in 
upcoming_conferences %}
{{ conference.date|date:"F 
d"}}: {{ conference.title }}
{% endfor %}





On Apr 11, 4:49 pm, Daniel Roseman 
wrote:
> On Apr 11, 9:25 pm, codecowboy  wrote:
>
>
>
> > I've read some other posts regarding this issue as well as the
> > following article:http://www.b-list.org/weblog/2007/nov/03/working-models/.
> > I cannot seem to get this thing to work.  Thank you in advance for any
> > help.  Here is my code.
>
> > -- view --
> > from django.db.models import get_model
>
> > def blah():
> >     c = get_model('conferences', 'conference')
> >     uc = c.upcoming()
>
> > -- model --
> > class Conference(models.Model):
> > .
> > .
> > .
>
> >     def upcoming(self):
> >         today = datetime.today()
> >         return self.objects.filter(date__gte=(today))
>
> > I've also tried the following in my view code:
>
> > def blah():
> >     c = Conference()
> >     uc = c.upcoming()
>
> > I cannot stop the following error from displaying:
>
> > TypeError at /scientists/portal
>
> > unbound method upcoming() must be called with Conference instance as
> > first argument (got nothing instead)
>
> > Request Method:         GET
> > Request URL:    http://127.0.0.1:8000/scientists/portal
> > Exception Type:         TypeError
> > Exception Value:
>
> > unbound method upcoming() must be called with Conference instance as
> > first argument (got nothing instead)
>
> > Exception Location:     /home/guy/DjangoApps/scinet/scientists/views.py
> > in portal, line 20
>
> You are confused between class and instance methods. upcoming as you
> have defined it is an instance method - ie you call it on an instance
> of Conference. However, the content of the method looks like it should
> be a class method - that is, you call it on the Conference class
> itself - and, indeed, that is what you are trying to do in your blah
> view.
>
> There are two solutions to this: the first is to tell Python that this
> is a class method by simply using the @classmethod decorator - and, by
> convention, using cls as the parameter to the method rather than
> self.
>
> However, looking at what you're actually trying to do - return a
> custom queryset of Conference objects - the idiomatic way of achieving
> this in Django is actually to define a custom manager. Again, two ways
> of doing this: you can define an additional manager and put your
> method in it as get_query_set - so you would call it as
> Conference.upcoming.all(); or override the default manager and put
> your method as upcoming - so you would call it as
> Conference.objects.upcoming(). Your choice.
>
> See here for information on custom 
> 

Re: Tutorial - include question

[Johann Spies]

2009/4/11 Alex Gaynor :
> mysite/urls.py needs to have the full urlpatterns = thing like the
> polls/urls.py has so it would look like:
>
> from django.conf.urls.defaults import *
>
> admin.autodiscover()
>
> urlpatterns = patterns('',
>  (r'^polls/', include('mysite.polls.urls')),
> )

Thanks!

Regards
Johann

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Re: how to use email instead of username for user authentication?

[Karen Tracey]

On Sat, Apr 11, 2009 at 10:52 AM, pkenjora  wrote:

>
>  You are correct, username authentication has always been around.
> However, the explicit banning and obfuscating of email authentication
> in the default module has not.  That is the part that worries me, that
> is where things are going wrong.
>

I can't figure out what you are talking about here.  You mention an '@'
filter elsewhere, and all I can think you mean is the fact that '@' is not
an allowed character in the auth's username field?  If so, near as I can
tell that has been there since the earliest official Django release, you can
see in the 0.90 source code that there's an isAlphaNumeric validator on that
field:

http://code.djangoproject.com/browser/django/tags/releases/0.90/django/models/auth.py#L33

so as far back as 0.90, near as I can tell, you were not allowed to have '@'
in a username.

Yet you seem to be saying you need to work around the 'new' restriction as
you upgrade to 1.0.2 -- so I'm confused.  Are you upgrading from some level
(what one?) which allowed '@' in usernames?  Are you talking about some
other restriction?

Karen

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Re: every time that I load a form page, i have to reload the page to make errors go away

[Daniel Roseman]

On Apr 11, 7:57 pm, codecowboy  wrote:
> Every time that a load a form on my site, I see the following errors.
> If I reload the page, they go away and everything works just fine.
> Does anyone know why?  Thank you in advance.
>
> TemplateSyntaxError at /eaccounts/register/
>
> Caught an exception while rendering: Tried edit in module
> conferences.views. Error was: 'module' object has no attribute 'edit'
>
> Original Traceback (most recent call last):
>   File "/usr/lib/python2.5/site-packages/django/template/debug.py",
> line 71, in render_node
>     result = node.render(context)
>   File "/usr/lib/python2.5/site-packages/django/template/
> defaulttags.py", line 373, in render
>     url = reverse(self.view_name, args=args, kwargs=kwargs)
>   File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
> line 254, in reverse
>     *args, **kwargs)))
>   File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
> line 227, in reverse
>     possibilities = self.reverse_dict.getlist(lookup_view)
>   File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
> line 169, in _get_reverse_dict
>     self._reverse_dict.appendlist(pattern.callback, (bits, p_pattern))
>   File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
> line 136, in _get_callback
>     raise ViewDoesNotExist, "Tried %s in module %s. Error was: %s" %
> (func_name, mod_name, str(e))
> ViewDoesNotExist: Tried edit in module conferences.views. Error was:
> 'module' object has no attribute 'edit'

The page you are trying to load has either a reverse() call in the
view, or a {% url %} tag in the template. In order to resolve the
reverse lookup, Django is trying to load all the views in your urlconf
- and it looks like one of them has an error. Fix the error in the
conferences.views.edit function, and the message should go away.
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Re: Django admin page hangs in django server - where is web server error log?

[Daniel Roseman]

On Apr 11, 8:42 pm, adelein  wrote:
> Hi,
>
> Myhttp://localhost:8000/adminpage is hanging in the django server
> and I get "Error 320 (net::ERR_INVALID_RESPONSE): Unknown error."
> after a while.
>
> I am running on fedora 7.
>
> I am following the django tutorial and I am using the latest svn
> django version.
>
> After I set this in the settings.py and go to thehttp://localhost:8000/admin
> page it just hangs:
>
> from django.conf.urls.defaults import *
>
> # Uncomment the next two lines to enable the admin:
> from django.contrib import admin
> admin.autodiscover()
>
> urlpatterns = patterns('',
>     # Example:
>     # (r'^mysite/', include('mysite.foo.urls')),
>
>     # Uncomment the admin/doc line below and add
> 'django.contrib.admindocs'
>     # to INSTALLED_APPS to enable admin documentation:
>     # (r'^admin/doc/', include('django.contrib.admindocs.urls')),
>
>     # Uncomment the next line to enable the admin:
>     (r'^admin/', include(admin.site.urls)),
> )
>
> First, I dont know how to access the web server error log?
>
> Anyone has any idea?
>
> Thanks!
>
> -Adelein

If that's your settings.py, you should go back and read the tutorial
again. That code should go in your urls.py.

I assume by 'the Django server' you mean the built-in development
server. As the name implies, this is only for development, and doesn't
have an 'error log'. All errors are displayed in the console.
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Re: Cannot call a custom model method in my view

[Daniel Roseman]

On Apr 11, 9:25 pm, codecowboy  wrote:
> I've read some other posts regarding this issue as well as the
> following article:http://www.b-list.org/weblog/2007/nov/03/working-models/.
> I cannot seem to get this thing to work.  Thank you in advance for any
> help.  Here is my code.
>
> -- view --
> from django.db.models import get_model
>
> def blah():
>     c = get_model('conferences', 'conference')
>     uc = c.upcoming()
>
> -- model --
> class Conference(models.Model):
> .
> .
> .
>
>     def upcoming(self):
>         today = datetime.today()
>         return self.objects.filter(date__gte=(today))
>
> I've also tried the following in my view code:
>
> def blah():
>     c = Conference()
>     uc = c.upcoming()
>
> I cannot stop the following error from displaying:
>
> TypeError at /scientists/portal
>
> unbound method upcoming() must be called with Conference instance as
> first argument (got nothing instead)
>
> Request Method:         GET
> Request URL:    http://127.0.0.1:8000/scientists/portal
> Exception Type:         TypeError
> Exception Value:
>
> unbound method upcoming() must be called with Conference instance as
> first argument (got nothing instead)
>
> Exception Location:     /home/guy/DjangoApps/scinet/scientists/views.py
> in portal, line 20

You are confused between class and instance methods. upcoming as you
have defined it is an instance method - ie you call it on an instance
of Conference. However, the content of the method looks like it should
be a class method - that is, you call it on the Conference class
itself - and, indeed, that is what you are trying to do in your blah
view.

There are two solutions to this: the first is to tell Python that this
is a class method by simply using the @classmethod decorator - and, by
convention, using cls as the parameter to the method rather than
self.

However, looking at what you're actually trying to do - return a
custom queryset of Conference objects - the idiomatic way of achieving
this in Django is actually to define a custom manager. Again, two ways
of doing this: you can define an additional manager and put your
method in it as get_query_set - so you would call it as
Conference.upcoming.all(); or override the default manager and put
your method as upcoming - so you would call it as
Conference.objects.upcoming(). Your choice.

See here for information on custom managers:
http://docs.djangoproject.com/en/dev/topics/db/managers/
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Re: Tutorial - include question

[Alex Gaynor]

On Sat, Apr 11, 2009 at 4:16 PM, Johann Spies wrote:

>
> Working through the tutorial everything went well until I came to the
> section "Decoupling the URLconfs" where
> the "include" option for urls in a subdirectory is not working as
> advertised.
>
> What did I do wrong?
>
>
> In mysite/urls.py I have:
>
> ==
> from django.conf.urls.defaults import *
>
> (r'^polls/', include('mysite.polls.urls')),
>
> # Uncomment the next two lines to enable the admin:
> from django.contrib import admin
> admin.autodiscover()
> =
> And in mysite/polls/urls.py  have
> =
> from django.conf.urls.defaults import *
>
> urlpatterns = patterns('mysite.polls.views',
>(r'^$', 'index'),
>(r'^(?P\d+)/$', 'detail'),
>(r'^(?P\d+)/results/$', 'results'),
>(r'^(?P\d+)/vote/$', 'vote'),
> )
> =
> But this results in:
>
> Traceback (most recent call last):
>
>  File "/var/lib/python-support/python2.6/django/core/servers/basehttp.py",
> line 278, in run
>self.result = application(self.environ, self.start_response)
>
>  File "/var/lib/python-support/python2.6/django/core/servers/basehttp.py",
> line 635, in __call__
>return self.application(environ, start_response)
>
>  File "/var/lib/python-support/python2.6/django/core/handlers/wsgi.py",
> line 239, in __call__
>response = self.get_response(request)
>
>  File "/var/lib/python-support/python2.6/django/core/handlers/base.py",
> line 67, in get_response
>response = middleware_method(request)
>
>  File "/var/lib/python-support/python2.6/django/middleware/common.py",
> line 56, in process_request
>if (not _is_valid_path(request.path_info) and
>
>  File "/var/lib/python-support/python2.6/django/middleware/common.py",
> line 142, in _is_valid_path
>urlresolvers.resolve(path)
>
>  File "/var/lib/python-support/python2.6/django/core/urlresolvers.py",
> line 246, in resolve
>return get_resolver(urlconf).resolve(path)
>
>  File "/var/lib/python-support/python2.6/django/core/urlresolvers.py",
> line 179, in resolve
>for pattern in self.urlconf_module.urlpatterns:
>
> AttributeError: 'module' object has no attribute 'urlpatterns'
>
>
> Regards.
>
> Johann
>
> >
>
mysite/urls.py needs to have the full urlpatterns = thing like the
polls/urls.py has so it would look like:

from django.conf.urls.defaults import *

admin.autodiscover()

urlpatterns = patterns('',
 (r'^polls/', include('mysite.polls.urls')),
)



Alex

-- 
"I disapprove of what you say, but I will defend to the death your right to
say it." --Voltaire
"The people's good is the highest law."--Cicero

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Tutorial - include question

[Johann Spies]

Working through the tutorial everything went well until I came to the
section "Decoupling the URLconfs" where
the "include" option for urls in a subdirectory is not working as advertised.

What did I do wrong?


In mysite/urls.py I have:

==
from django.conf.urls.defaults import *

(r'^polls/', include('mysite.polls.urls')),

# Uncomment the next two lines to enable the admin:
from django.contrib import admin
admin.autodiscover()
=
And in mysite/polls/urls.py  have
=
from django.conf.urls.defaults import *

urlpatterns = patterns('mysite.polls.views',
(r'^$', 'index'),
(r'^(?P\d+)/$', 'detail'),
(r'^(?P\d+)/results/$', 'results'),
(r'^(?P\d+)/vote/$', 'vote'),
)
=
But this results in:

Traceback (most recent call last):

  File "/var/lib/python-support/python2.6/django/core/servers/basehttp.py",
line 278, in run
self.result = application(self.environ, self.start_response)

  File "/var/lib/python-support/python2.6/django/core/servers/basehttp.py",
line 635, in __call__
return self.application(environ, start_response)

  File "/var/lib/python-support/python2.6/django/core/handlers/wsgi.py",
line 239, in __call__
response = self.get_response(request)

  File "/var/lib/python-support/python2.6/django/core/handlers/base.py",
line 67, in get_response
response = middleware_method(request)

  File "/var/lib/python-support/python2.6/django/middleware/common.py",
line 56, in process_request
if (not _is_valid_path(request.path_info) and

  File "/var/lib/python-support/python2.6/django/middleware/common.py",
line 142, in _is_valid_path
urlresolvers.resolve(path)

  File "/var/lib/python-support/python2.6/django/core/urlresolvers.py",
line 246, in resolve
return get_resolver(urlconf).resolve(path)

  File "/var/lib/python-support/python2.6/django/core/urlresolvers.py",
line 179, in resolve
for pattern in self.urlconf_module.urlpatterns:

AttributeError: 'module' object has no attribute 'urlpatterns'


Regards.

Johann

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Django admin page hangs in django server - where is web server error log?

[adelein]

Hi,

My http://localhost:8000/admin page is hanging in the django server
and I get "Error 320 (net::ERR_INVALID_RESPONSE): Unknown error."
after a while.

I am running on fedora 7.

I am following the django tutorial and I am using the latest svn
django version.

After I set this in the settings.py and go to the http://localhost:8000/admin
page it just hangs:

from django.conf.urls.defaults import *

# Uncomment the next two lines to enable the admin:
from django.contrib import admin
admin.autodiscover()

urlpatterns = patterns('',
# Example:
# (r'^mysite/', include('mysite.foo.urls')),

# Uncomment the admin/doc line below and add
'django.contrib.admindocs'
# to INSTALLED_APPS to enable admin documentation:
# (r'^admin/doc/', include('django.contrib.admindocs.urls')),

# Uncomment the next line to enable the admin:
(r'^admin/', include(admin.site.urls)),
)

First, I dont know how to access the web server error log?

Anyone has any idea?



Thanks!

-Adelein



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Cannot call a custom model method in my view

[codecowboy]

I've read some other posts regarding this issue as well as the
following article: http://www.b-list.org/weblog/2007/nov/03/working-models/.
I cannot seem to get this thing to work.  Thank you in advance for any
help.  Here is my code.

-- view --
from django.db.models import get_model

def blah():
c = get_model('conferences', 'conference')
uc = c.upcoming()

-- model --
class Conference(models.Model):
.
.
.

def upcoming(self):
today = datetime.today()
return self.objects.filter(date__gte=(today))

I've also tried the following in my view code:


def blah():
c = Conference()
uc = c.upcoming()

I cannot stop the following error from displaying:

TypeError at /scientists/portal

unbound method upcoming() must be called with Conference instance as
first argument (got nothing instead)

Request Method: GET
Request URL:http://127.0.0.1:8000/scientists/portal
Exception Type: TypeError
Exception Value:

unbound method upcoming() must be called with Conference instance as
first argument (got nothing instead)

Exception Location: /home/guy/DjangoApps/scinet/scientists/views.py
in portal, line 20
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Re: Admin Inlines astray

[Andy Wilson]

fixed

after trying all sorts of approaches I finally got it to work by
chmod'ing o+r to the files under the django/contrib/admin directory.
Most of them already had read permissions but I could see that a few
didn't.

a

On Sat, 2009-04-11 at 19:58 +0100, Andy Wilson wrote:
> ps. I used the 'song' and 'recording' models as an example, in fact I
> have several apps that use inlines, and on the one installation they are
> missing in every case. No errors are thrown and I can see nothing
> relevant in the logs. 
> 
> On Sat, 2009-04-11 at 19:50 +0100, Andy Wilson wrote:
> > has anyone any idea why the inlines might go missing?
> > 
> > I have a model 'song' and a model 'recording'. I've created a
> > recordingInline class, and in the modelAdmin I set:
> > inlines = [recordingInline]
> > 
> > this all works fine on my Ubuntu installation running python 2.5.2 and
> > django 1.0.2, but on another installation on freebsd, using python 2.5.4
> > and django 1.0.2 and the same source, the inlines simply don't appear in
> > the form (ie. only the form for the song model appears) but if I try to
> > submit this I get an error 'ManagementForm data is missing or has been
> > tampered with', presumably because the admin app knows that it is
> > expecting the form data for the recording model too, so it knows about
> > the inlines.
> > 
> > What would stop the inlines appearing in one context when they work fine
> > in the other?
> > 
> > tia
> > 
> > andy
> > 
> > 
> > 
> > 
> > > 
> 
> 
> > 


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Template filter with plural tag

[Kless]

I would to pluralize into a translation block [1] but I also want to
apply the 'apnumber' template filter [2]
---
{% load humanize %}
{% load i18n %}

{% blocktrans count list|apnumber as number %}
There is {{ number }} object.
{% plural %}
There are {{ number }} objects.
{% endblocktrans %}
---

The problem is that if the filter is used then the 'plural' tag
doesn't works.

Is there any way to solve it?


[1] http://docs.djangoproject.com/en/dev/topics/i18n/#in-template-code

[2] http://docs.djangoproject.com/en/dev/ref/contrib/humanize/#apnumber

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Re: "python2.5 manage.py syncdb" ...No module named _sqlite3

[George]

There is an explanation below, having to do with management
dependencies and dates the versions and packages became available. But
for the record, the solution is to install the py-sqlite3 package in
addition to py-djangoi (with sqlite enabled).

--George

On Sat 11 Apr 2009 at 08:25:04 PM +0200, Joerg Sonnenberger wrote:
>On Sat, Apr 11, 2009 at 11:18:19AM -0700, George Georgalis wrote:
>> it seems sqlite is an option in pkgsrc py25-django, and
>> default upstream... I'm not suggesting it should be one way
>> or another, but why does the pkgsrc version have different
>> default options than the source?
>
>To have a sane dependency set. The errors for missing dependencies are
>even more mysterious. You are most likely hitten by the ironic situation
>of py-sqlite2 being newer than the py-sqlite3 (the builtin)...

On Sat 11 Apr 2009 at 09:07:43 PM +0200, Joerg Sonnenberger wrote:
>On Sat, Apr 11, 2009 at 11:55:24AM -0700, George Georgalis wrote:
>> ( cd /usr/pkgsrc/www/py-django/ && bmake deinstall clean )
>> ( cd /usr/pkgsrc/databases/py-sqlite2 && bmake deinstall clean )
>> ( cd /usr/pkgsrc/databases/py-sqlite3 && bmake install )
>> ( cd /usr/pkgsrc/www/py-django/ && bmake install PKG_OPTIONS.django=sqlite )
>>
>> but py-django still installs py-sqlite2:
>
>Yes, that is expected. The question is: does it work for you after you
>installed py-sqlite3?
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Re: Generic relations swamp

[zayatzz]

I realise im kind of spamming here, but does nobody really has
encountered similar problem?

Alan.

On Apr 11, 12:07 am, zayatzz  wrote:
> Ok, I did some search on web and i took closer look at the
> errormessage. :
>
> Request information
> GET
>
> No GET data
> POST
> Variable        Value
> poll-trans-content_type-object_id-0-keel
> u'1'
> poll-trans-content_type-object_id-0-id
> u''
> poll-trans-content_type-object_id-1-keel
> u'2'
> poll-trans-content_type-object_id-TOTAL_FORMS
> u'2'
> _save
> u'Save'
> poll-trans-content_type-object_id-1-name
> u'Pollname in russian'
> pub_date_1
> u'23:45:15'
> pub_date_0
> u'2009-04-10'
> poll-trans-content_type-object_id-1-id
> u''
> active
> u'on'
> poll-trans-content_type-object_id-0-name
> u'Pollname in estonian'
> poll-trans-content_type-object_id-INITIAL_FORMS
> u'0'
>
> If i understand this correctly then the content object id is not
> beeing saved - it does not save the id of the poll with the
> translations. Is this correct? And how can i fix this?
>
> I found many threads about incomplete generic relations support in
> admin - they were from '07 or so, so the things could be different.
> And i found this :http://djangoplugables.com/projects/django-genericadmin/
>
> Could this be of any use?
>
> Would anything else help?
>
> Thanks!
> Alan
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Re: Multiple sites, single application in Django

[creecode]

Hello Russell,

I can't say this is best practice but my approach to a similar goal
has been to create projects for each website.  These projects/websites
are unrelated to each other as far as content goes but all install a
common set of apps, some off the shelf, some custom.  I have sites
installed for each project but not all of my apps are fully site aware
so I only use sites minimally at this time.

On Apr 11, 8:23 am, Russell McConnachie 
wrote:

> I still have not come up with a creative way to design a site
> which hosts multiple sites - providing different html layouts, style sheets.
>
> I am looking for someone to kind of explain to me some best practices on
> doing this

Toodle-looo.
creecode
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Re: Admin Inlines astray

[Andy Wilson]

ps. I used the 'song' and 'recording' models as an example, in fact I
have several apps that use inlines, and on the one installation they are
missing in every case. No errors are thrown and I can see nothing
relevant in the logs. 

On Sat, 2009-04-11 at 19:50 +0100, Andy Wilson wrote:
> has anyone any idea why the inlines might go missing?
> 
> I have a model 'song' and a model 'recording'. I've created a
> recordingInline class, and in the modelAdmin I set:
> inlines = [recordingInline]
> 
> this all works fine on my Ubuntu installation running python 2.5.2 and
> django 1.0.2, but on another installation on freebsd, using python 2.5.4
> and django 1.0.2 and the same source, the inlines simply don't appear in
> the form (ie. only the form for the song model appears) but if I try to
> submit this I get an error 'ManagementForm data is missing or has been
> tampered with', presumably because the admin app knows that it is
> expecting the form data for the recording model too, so it knows about
> the inlines.
> 
> What would stop the inlines appearing in one context when they work fine
> in the other?
> 
> tia
> 
> andy
> 
> 
> 
> 
> > 


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every time that I load a form page, i have to reload the page to make errors go away

[codecowboy]

Every time that a load a form on my site, I see the following errors.
If I reload the page, they go away and everything works just fine.
Does anyone know why?  Thank you in advance.

TemplateSyntaxError at /eaccounts/register/

Caught an exception while rendering: Tried edit in module
conferences.views. Error was: 'module' object has no attribute 'edit'

Original Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/django/template/debug.py",
line 71, in render_node
result = node.render(context)
  File "/usr/lib/python2.5/site-packages/django/template/
defaulttags.py", line 373, in render
url = reverse(self.view_name, args=args, kwargs=kwargs)
  File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
line 254, in reverse
*args, **kwargs)))
  File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
line 227, in reverse
possibilities = self.reverse_dict.getlist(lookup_view)
  File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
line 169, in _get_reverse_dict
self._reverse_dict.appendlist(pattern.callback, (bits, p_pattern))
  File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
line 136, in _get_callback
raise ViewDoesNotExist, "Tried %s in module %s. Error was: %s" %
(func_name, mod_name, str(e))
ViewDoesNotExist: Tried edit in module conferences.views. Error was:
'module' object has no attribute 'edit'

Request Method: GET
Request URL:http://127.0.0.1:8000/eaccounts/register/
Exception Type: TemplateSyntaxError
Exception Value:

Caught an exception while rendering: Tried edit in module
conferences.views. Error was: 'module' object has no attribute 'edit'

Original Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/django/template/debug.py",
line 71, in render_node
result = node.render(context)
  File "/usr/lib/python2.5/site-packages/django/template/
defaulttags.py", line 373, in render
url = reverse(self.view_name, args=args, kwargs=kwargs)
  File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
line 254, in reverse
*args, **kwargs)))
  File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
line 227, in reverse
possibilities = self.reverse_dict.getlist(lookup_view)
  File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
line 169, in _get_reverse_dict
self._reverse_dict.appendlist(pattern.callback, (bits, p_pattern))
  File "/usr/lib/python2.5/site-packages/django/core/urlresolvers.py",
line 136, in _get_callback
raise ViewDoesNotExist, "Tried %s in module %s. Error was: %s" %
(func_name, mod_name, str(e))
ViewDoesNotExist: Tried edit in module conferences.views. Error was:
'module' object has no attribute 'edit'

Exception Location: /usr/lib/python2.5/site-packages/django/template/
debug.py in render_node, line 81
Python Executable:  /usr/bin/python
Python Version: 2.5.2
Python Path:['/home/guy/DjangoApps/scinet', '/usr/lib/python25.zip',
'/usr/lib/python2.5', '/usr/lib/python2.5/plat-linux2', '/usr/lib/
python2.5/lib-tk', '/usr/lib/python2.5/lib-dynload', '/usr/local/lib/
python2.5/site-packages', '/usr/lib/python2.5/site-packages', '/usr/
lib/python2.5/site-packages/Numeric', '/usr/lib/python2.5/site-
packages/PIL', '/usr/lib/python2.5/site-packages/gst-0.10', '/var/lib/
python-support/python2.5', '/usr/lib/python2.5/site-packages/gtk-2.0',
'/var/lib/python-support/python2.5/gtk-2.0']
Server time:Sat, 11 Apr 2009 13:54:58 -0500
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Admin Inlines astray

[Andy Wilson]

has anyone any idea why the inlines might go missing?

I have a model 'song' and a model 'recording'. I've created a
recordingInline class, and in the modelAdmin I set:
inlines = [recordingInline]

this all works fine on my Ubuntu installation running python 2.5.2 and
django 1.0.2, but on another installation on freebsd, using python 2.5.4
and django 1.0.2 and the same source, the inlines simply don't appear in
the form (ie. only the form for the song model appears) but if I try to
submit this I get an error 'ManagementForm data is missing or has been
tampered with', presumably because the admin app knows that it is
expecting the form data for the recording model too, so it knows about
the inlines.

What would stop the inlines appearing in one context when they work fine
in the other?

tia

andy




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Re: "python2.5 manage.py syncdb" ...No module named _sqlite3

[George]

Hi Karen,

On Apr 8, 2:33 am, Karen Tracey  wrote:
> On Tue, Apr 7, 2009 at 8:39 PM, George  wrote:
>
> > I'm pretty sure this shouldn't happen; but the error is no doubt my
> > fault. Maybe something about the doc doesn't apply to my system? I
> > have pkgsrc python2.5 and Django 1.0.2
>
> What sort of a system is this?  I'm not familiar with pkgsrc but it seems to
> have provided you with an incomplete Python package, or your source build
> produced an incomplete result.

Thanks for the confirmation, http://pkgsrc.org is a package manager
framework. It is native to NetBSD and designed for easy maintenance
and portability across all/most unix like environments.

It looks like sqlite is not enabled by default in pkgsrc python 2.5;
I'm looking into getting that option worked out. I'm sure to have more
questions after that :)

--George
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Fewer columns in admin popups

[Dave Benjamin]

Hello,

In the Django admin site, I find myself going back and forth between
adding more columns to list_display to enhance the list view and then
removing them when I realize that they make the list view too big for
the popup version displayed when clicking on the add button or the
raw_id_fields magnifying glass. I've contemplated making the popup
window a little bigger, but I think it would be better if I could just
hide certain columns for the popup. That way I could optimize the main
list view for a minimum of 1024x768 resolution (and most of my users
have wide screens now) but keep the popups smaller than that.

Is it possible to exclude columns from the popup list view?

Thanks,
Dave

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Re: Generic relations and unit tests.

[Stavros]

I agree with you on this, but it is often impractical due to the
volume of the data required. I have this data already in my database,
I shouldn't have to spend a few days moving it to the tests file...
Fixtures are a quick way to import your data to the test DB without
having to recreate everything... I'd really like a better solution to
this, as I can use either tests or contenttype at the moment and I'd
like to use both...

Thanks,
Stavros

On Apr 11, 3:54 am, Malcolm Tredinnick 
wrote:
> On Sat, 2009-04-11 at 08:47 +0800, Russell Keith-Magee wrote:
> > On Sat, Apr 11, 2009 at 5:53 AM, Poromenos  wrote:
>
> > > Hello,
> > > I created a model that has a ForeignKey to ContentType, but now I
> > > can't use my test fixtures, since the IDs they point to are random
> > > every time the test database is created. I can't dump the contenttypes
> > > data because then I get many duplicate inserts, since Django rebuilds
> > > them every time it sets up the test DB. Is there any way for me to use
> > > both ContentType and unit tests?
>
> > The IDs won't be completely random, but they certainly will be fragile
> > and subject to change.
>
> > You have discovered ticket #7052; unfortunately, there isn't any easy
> > fix at the moment.
>
> > 1) Don't use fixtures - create your test objects in the setUp() method
> > of your test using normal Python code.
>
> > 2) Use the fixture to define the basic data in your objects, and then
> > use the setUp() method to modify the contenttypes at runtime, based on
> > the current values in the database. This means you don't serialize the
> > contenttype objects themselves in your fixture, and you use and
> > foreignkey reference to a contenttype as a temporary placeholder for
> > the real value that will be inserted at runtime.
>
> > Obviously, neither of these are ideal solutions. This bug is something
> > I want to look at for Django v1.2.
>
> Well, I'd argue (1) is the ideal solution. Creating objects
> programmatically is robust, self-documenting and encourages testers to
> think about the minimum requirements needed for a self-contained
> unittest. It's also fairly easy. Tends to be my normal practice.
>
> So opinions clearly differ there. Which doesn't invalidate Russell's
> opinion, but I wouldn't want people to think it's all horrible when
> there's already a perfectly standard and supported way of doing this
> (the setUp() method exists to set things up for unittests).
>
> Regards,
> Malcolm
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Re: Registration form and Profile form is not saving

[Daniel Roseman]

On Apr 11, 3:55 pm, Praveen  wrote:
> Hi all, i am really fed up and have tried number of way. Please read
> my last line which really describe where i am facing problem.
> First Attempt.

> Problem:Data is saving for register and contact but for profile i get
> error
> ValueError
> Exception Value:
>
> Cannot assign " 0x916b0cc>": "UserProfile.user" must be a "User" instance.
>
> Please look in to regview.py this line
> I am trying to get the user = form.data['title'] which is currently
> created and with that user the profile would saved.
> I will be very thankful for your suggestion

Well, it looks like request.user is an instance of AnonymousUser - ie
the current user is not logged in. So try logging in first.
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Multiple sites, single application in Django

[Russell McConnachie]

Hello,

I am new to Django, I've been reading over the Django "Sites" Model
framework but I still have not come up with a creative way to design a site
which hosts multiple sites - providing different html layouts, style sheets.

I am looking for someone to kind of explain to me some best practices on
doing this, I have read the Django tutorial parts #1 through #4 and feel
quite comforable with what I have seen in the framework so far.

I basically need to look at the request.get_host() website and display
content on behalf of it. I'm not exactly sure if this is what the sites
framework is for.

Thanks for the help.

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Registration form and Profile form is not saving

[Praveen]

Hi all, i am really fed up and have tried number of way. Please read
my last line which really describe where i am facing problem.
First Attempt.
models.py
-
class UserProfile(models.Model):
user = models.ForeignKey(User, unique=True, verbose_name=_
('user'))
gender = models.CharField(_('gender'), max_length=1,
choices=GENDER_CHOICES, blank=True)
dob = models.DateField(_('dob'), max_length=10, help_text=_
("Should be in date format"), null=True, blank=True)
city = models.CharField(_('res_city'), max_length=30,
choices=CITY_CHOICES, blank=True)

class RegistrationForm(forms.Form):
"""The basic account registration form."""
title = forms.CharField(max_length=30, label=_('Title'),
required=False)
email = forms.EmailField(label=_('Email address'),
max_length=75, required=True)
password2 = forms.CharField(label=_('Password (again)'),
max_length=30, widget=forms.PasswordInput(), required=True)
password1 = forms.CharField(label=_('Password'),
max_length=30, widget=forms.PasswordInput(), required=True)
first_name = forms.CharField(label=_('First name'),
max_length=30, required=True)
last_name = forms.CharField(label=_('Last name'),
max_length=30, required=True)
#gender = forms.CharField(label = _('Gender'), widget =
forms.Select(choices=GENDER_CHOICES,attrs=attrs_dict))
#dob = forms.DateTimeField(widget=forms.DateTimeInput(attrs=dict
(attrs_dict, max_length=75)), label=_(u'date of birth'))
#city = forms.CharField(label = _('res_city'), widget =
forms.Select(choices=CITY_CHOICES,attrs=attrs_dict))

def __init__(self, *args, **kwargs):
self.contact = None
super(RegistrationForm, self).__init__(*args, **kwargs)

newsletter = forms.BooleanField(label=_('Newsletter'),
widget=forms.CheckboxInput(), required=False)

def clean_password1(self):
"""Enforce that password and password2 are the same."""
p1 = self.cleaned_data.get('password1')
p2 = self.cleaned_data.get('password2')
if not (p1 and p2 and p1 == p2):
raise forms.ValidationError(
ugettext("The two passwords do not match."))

# note, here is where we'd put some kind of custom
# validator to enforce "hard" passwords.
return p1

def clean_email(self):
"""Prevent account hijacking by disallowing duplicate
emails."""
email = self.cleaned_data.get('email', None)
if email and User.objects.filter(email=email).count() > 0:
raise forms.ValidationError(
ugettext("That email address is already in use."))

return email

def save(self, request=None, **kwargs):
"""Create the contact and user described on the form.  Returns
the
`contact`.
"""
if self.contact:
log.debug('skipping save, already done')
else:
self.save_contact(request)
return self.contact

def save_contact(self, request):
print " i am in save_contact "
log.debug("Saving contact")
data = self.cleaned_data
password = data['password1']
email = data['email']
first_name = data['first_name']
last_name = data['last_name']
username = data['title']
#dob = data['dob']
#gender = data['gender']
#city = data['city']

verify = (config_value('SHOP', 'ACCOUNT_VERIFICATION') ==
'EMAIL')

if verify:
from registration.models import RegistrationProfile
user = RegistrationProfile.objects.create_inactive_user(
username, password, email, send_email=True)
else:
user = User.objects.create_user(username, email, password)

user.first_name = first_name
user.last_name = last_name
user.save()

# If the user already has a contact, retrieve it.
# Otherwise, create a new one.
try:
contact = Contact.objects.from_request(request,
create=False)
#profile = UserProfile.objects.form_request(request,
create=False)
except Contact.DoesNotExist:
contact = Contact()

contact.user = user
contact.first_name = first_name
contact.last_name = last_name
contact.email = email
contact.role = 'Customer'
contact.title = data.get('title', '')
contact.save()

if 'newsletter' not in data:
subscribed = False
else:
subscribed = data['newsletter']

signals.satchmo_registration.send(self, contact=contact,
subscribed=subscribed, data=data)

def save_profile(self, request):
user_obj = User.objects.get(pk=request.user.id)
#user_obj.first_name = self.cleaned_data['first_name']
#user_obj.last_name = self.cleaned_data['last_name']
try:
profile_obj = request.user.get_profile()

Re: how to use email instead of username for user authentication?

[pkenjora]

Malcom,

   Google, FaceBook, and LinkedIn have been using email authentication
for how long now?  With the default constraints you've put on Django a
developer would have to "work around" the out of the box code to make
the project behave like the big 3 names on the web.  In this light it
sounds like the constraint is too tight and needs to be moved into an
optional module not a default one.  Again these sound like project
specific requirements not general framework properties.

  As far as your reasons go, I'm fairly sure its just as easy to
change the email as it is the username, I would even argue that my
username (display name) could change but my login credentials should
stay the same.  I currently use the same email address for multiple
accounts on many Django projects using the code I pasted above, I
simply use what almost every email engine today supports email[+-._]
vari...@domain.com.  Looking at this objectively, I would argue the
case for email authentication is strongest.  I think changing the
default auth module to allow both and making the current one optional
would leave in place the flexibility of DJango out of the box and
allow developers to constrain it on their own.  Email authentication
is catching on, Django should not fight the tide.

  You are correct, username authentication has always been around.
However, the explicit banning and obfuscating of email authentication
in the default module has not.  That is the part that worries me, that
is where things are going wrong.

  We're all professionals here, we all take the time to leave feedback
in the hopes of improving Django.  I have a sneaking suspicion that
project specific requirements crept into the trunk because it was
easier than patching every time.  Now there is a hesitation to modify
because it would affect the original project.  That's not a good
reason to start justifying weak requirements to the community.  I
would recommend re-opening the ticket and getting feedback on it from
the community.

-Paul




On Apr 7, 5:10 pm, Malcolm Tredinnick 
wrote:
> On Tue, 2009-04-07 at 10:16 -0700, pkenjora wrote:
> > Hi,
>
> >   Why not remove the '@' filter and allow the specific project
> > developer the freedom to use email as username?  What was the
> > reasoning behind this?
>
> One reason is that usernames can be made to be unique, since you're
> selecting a new username and if the one you choose is already taken, you
> can choose another one. You cannot, however, easily change your email
> address and there are cases of different people sharing a single email
> address or the same person needing/wanting to create multiple accounts.
>
> Another reason is likely simply historical; usernames that *aren't*
> email addresses are much more readable and traditional in social-based
> sites and that was what was used in the initial implementation. The
> uniqueness problem mentioned above is very real, however, so Django is
> protecting people from doing dumb things here. If you want to work
> around that, it's possible and fairly easy, but not heavily advisable.
>
> >   I always like Django because it didn't try to force development down
> > a specific path.  All developers have their own way and every project
> > is unique, for a long time Django accommodated that.  I'm a bit
> > worried about where this is going...
>
> It's not "going" anywhere. The username requirements have been the same
> since the very first day you used Django. Don't frame this as something
> slipping out of control, please.
>
>
>
> >   I'm worried that the workarounds just introduce unnecessary
> > complexity.
>
> Almost as if you shouldn't workaround a valid constraint, isn't it? :-)
>
> Regards,
> Malcolm
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Admin in frontend

[Marcello Parra]

Hello,

I'm planning a site with django.
It need to have some functionalities that are very similar to Django's
admin (like CRUD in some tables, with validations, etc...). But I
would not like to have two sections (frontend and admin) in it 
So, my question is: is there a way to use already made admin's
funcionalities in my frontend without having to rewrite them ??

Thanks for any help...

Marcello

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[ANN] Falcon - powering innovation

[Kless]

If anybody is interesed in new technologies, you'll love this new
language called Falcon [1], which has been open sourced ago little
time.

Falcon is a scripting engine ready to empower mission-critical
multithreaded applications. It provides six integrated programming
paradigms: procedural, object oriented, prototype oriented,
functional, tabular and message oriented. You use what you prefer.

To know more about its design, read the interview to the Falcon author
that has published ComputerWorld Australia [2].

[1] http://www.falconpl.org/
[2] 
http://www.computerworld.com.au/article/298655/-z_programming_languages_falcon?fp=2=

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Schema-less models

[Dmitry Kuchin]

In the project I'm working on it makes a lot of sense to store pretty
much everything in 1-2 models, as there are a lot of common operations
being done on any object or property - moderation, versioning, etc. I
wanted to have something similar to this approach:
http://bret.appspot.com/entry/how-friendfeed-uses-mysql in Django.
Original models don't fit there, so I started to write "meta" models,
first stage is done and I'll be glad to read some critics - or maybe
there's already a solution that I've missed?

http://dpaste.com/hold/31803/

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Re: Default mimetype

[Malcolm Tredinnick]

On Fri, 2009-04-10 at 23:40 -0700, Roman Timushev wrote:
> Hello,
> 
> My application serves content with different mimetypes: 'application/
> xhtml+xml', 'application/xml', 'application/json'. Specifying mimetype
> for every view is not DRY. Is it possible to define default mimetype
> for url groups?

It should be easy to write a decorator for the appropriate view
functions. Each function returns an HttpResponse object, so call the
view then modify the mimetype on the returned object.

Mimetypes on URL groups isn't possible. It's also not really the right
level, since the URL doesn't really determine the mimetype, in general,
so it's not something that would be particularly common to use. It
requires more knowledge about the request to determine the MIME type
(e.g. the "accept" headers).

Regards,
Malcolm



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Re: Easy way to create pretty pages with nav?

[Konrad Martin]

Hi

I think a  'problem' of Django is that it is produced by programmers
and doesn`t mention that programming is the minor important part of a
successfull site.

Far more important is content and the visual way content is presented
in a brain catching way to the customer.

Both isn`t comprised in Django. So looking from outward Django's main
task may by to get rid of nasty programming details that a layouter
can concentrate more on important tasks - in Django speak 'templates'
the production of not beeing part of Django.

The same with the app engine patch project (AEP) dedicated to run
native Django on Google appEngine (GAE)
http://code.google.com/p/app-engine-patch/wiki/Documentation
http://groups.google.com/group/app-engine-patch

In my view both Django and appEnginePatch exist to make life easier
for layouters and journalists.

Konrad
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Re: Foreign Key query question

[nikita kozlovsky]

On Apr 11, 12:32 pm, Malcolm Tredinnick 
wrote:


> That's definitely a small bug, then. I've opened ticket #10790 so that
> it gets fixed eventually. Since it's not a functionality bug (the answer
> is still correct), it will be fixed after 1.1 now, but we will fix it. I
> understand why it's occurring (the comparison to NULL is a very special
> case in this situation).

Thanks Malcolm!
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Re: Default mimetype

[Alex Koshelev]

There is no such capabilities.

Write your own set of decorators that will be path response object
with needed mimetype - almost DRY solution.

On Sat, Apr 11, 2009 at 10:40 AM, Roman Timushev  wrote:
>
> Hello,
>
> My application serves content with different mimetypes: 'application/
> xhtml+xml', 'application/xml', 'application/json'. Specifying mimetype
> for every view is not DRY. Is it possible to define default mimetype
> for url groups?
>
> Roman
>
> >
>

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Re: Modifying the User model

[Davide]

That's the workaround we were about to implement. But what I was
searching for, was a more consistent way to modify the **model**
itself (which will be reflected into the database structure and
consequently in the forms), not the way Django handles the forms.
I think Django choice isn't so silly, as we have to remember it is a
general purpose user class (in some applications you won't even need
email adress).

Thanks anyway for your help ;)
Davide

On Apr 10, 8:12 pm, soniiic  wrote:
> The way I achieved this was to make my own registration form and use
> this:
>
> email = forms.EmailField(widget=forms.TextInput(attrs=dict
> (attrs_dict,maxlength=75)),label=_(u'Email address'))
>
> where attrs_dict was earlier defined as:
> attrs_dict = { 'class': 'required' }
>
> also, the email address isn't checked for uniqueness (which i think is
> silly) so I added this:
>
> def clean_email(self):
>                 """
>                 Validate that the email is not already in use.
>
>                 """
>                 try:
>                         user = 
> User.objects.get(email__iexact=self.cleaned_data['email'])
>                 except User.DoesNotExist:
>                         return self.cleaned_data['email']
>                 raise forms.ValidationError(_(u'This email is already taken. 
> Please
> choose another.'))
>
> On Apr 10, 6:51 pm, Davide  wrote:
>
>
>
> > Hi all,
> > we've been using the django User model from contrib.auth.models
> > As we want to re-use as much code as possible, is there a way to edit
> > the class properties, making the "email" field required? As a default
> > this is not a required field. Gooogled for some answers but didn't
> > find one, but if I missed something please let me know.
> > Thanks in advance,
> > Davide
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Default mimetype

[Roman Timushev]

Hello,

My application serves content with different mimetypes: 'application/
xhtml+xml', 'application/xml', 'application/json'. Specifying mimetype
for every view is not DRY. Is it possible to define default mimetype
for url groups?

Roman

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Re: Foreign Key query question

[Malcolm Tredinnick]

On Sat, 2009-04-11 at 01:02 -0700, nikita kozlovsky wrote:
> On Apr 11, 3:11 am, Malcolm Tredinnick 
> wrote:
> 
> 
> > Django's SQL is going exactly what you suspect and not using any outer
> > join here. Using a simplified version of the original two models:
> >
> > class Student(models.Model):
> >...
> >
> > class Message(models.Model):
> >title = models.CharField(max_length=50)
> >student = models.ForeignKey(Student)
> >
> > ... the SQL that is generated for Message.objects.filter(student=None)
> > is:
> >
> > SELECT `outer_message`.`id`, `outer_message`.`title`, 
> > `outer_message`.`student_id` FROM `outer_message` WHERE 
> > `outer_message`.`student_id` IS NULL
> 
> Yes, this correctly if student = models.ForeignKey(Student).
> I use this simplified  models with student = models.ForeignKey
> (Student, null=True), sql that is generated for Message.objects.filter
> (student=None) is:
> 
> SELECT "messages_message"."id", "messages_message"."title",
> "messages_message"."student_id" FROM "messages_message" LEFT OUTER
> JOIN "messages_student" ON ("messages_message"."student_id" =
> "messages_student"."id") WHERE "messages_student"."id" IS NULL

That's definitely a small bug, then. I've opened ticket #10790 so that
it gets fixed eventually. Since it's not a functionality bug (the answer
is still correct), it will be fixed after 1.1 now, but we will fix it. I
understand why it's occurring (the comparison to NULL is a very special
case in this situation).

Regards,
Malcolm



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Re: How to keep the translations for the templates from different applications separately?

[Valery]

for those who is interested, the issue is solved:
http://groups.google.com/group/pinax-users/browse_thread/thread/58d45dab96840ee5/0f62760ab5223b2e

regards
valery

On Apr 7, 8:27 pm, Valery  wrote:
> Hi
>
> no answers... does it mean that it is impossible in Django to separate
> the template translations from different applications?..
>
> regards,Valery
>
> On Apr 4, 7:07 pm,Valery wrote:
>
> > Hi
>
> > How could one keep the translations for the templates from different
> > apps separately? According to Django docs (http://www.djangobook.com/
> > en/2.0/chapter19/) one could put the application's translations in a
> > correspondent application folder, but it has a few to do with
> > templates whereas the very templates carry the larger part of texts to
> > be translated. I am puzzled.
>
> > there are two ways that look for me somewhat feasible:
>
> > 1. keep all applications outside of project tree and try to attach
> > them in some "pluggable" way, e.g. like middleware (sounds odd to me)
>
> > 2. use LOCALE_PATHS to point to myproject/templates/application-N/
> > locale/ where the translations are stored (this didn't work for me)
>
> > P.S. In fact I have cross-posted this question from pinax-user group
>
> > regardsValery
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Re: Foreign Key query question

[nikita kozlovsky]

On Apr 11, 3:11 am, Malcolm Tredinnick 
wrote:


> Django's SQL is going exactly what you suspect and not using any outer
> join here. Using a simplified version of the original two models:
>
>         class Student(models.Model):
>            ...
>
>         class Message(models.Model):
>            title = models.CharField(max_length=50)
>            student = models.ForeignKey(Student)
>
> ... the SQL that is generated for Message.objects.filter(student=None)
> is:
>
>         SELECT `outer_message`.`id`, `outer_message`.`title`, 
> `outer_message`.`student_id` FROM `outer_message` WHERE 
> `outer_message`.`student_id` IS NULL

Yes, this correctly if student = models.ForeignKey(Student).
I use this simplified  models with student = models.ForeignKey
(Student, null=True), sql that is generated for Message.objects.filter
(student=None) is:

SELECT "messages_message"."id", "messages_message"."title",
"messages_message"."student_id" FROM "messages_message" LEFT OUTER
JOIN "messages_student" ON ("messages_message"."student_id" =
"messages_student"."id") WHERE "messages_student"."id" IS NULL

i use django svn-10510
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Re: SQL Between query in sqlite3

[Alex Gaynor]

On Sat, Apr 11, 2009 at 2:44 AM, Kenneth Gonsalves
wrote:

>
> On Saturday 11 April 2009 11:16:52 Nalini wrote:
> > select * from Table where dates BETWEEN '2009-01-01' AND  '2009-01-31'
> >  Can any one help me?
>
> Model.objects.filter(mydate__gte='2009-01-01'
> ).filter(mydate__lte='2009-01-31')
> --
> regards
> kg
> http://lawgon.livejournal.com
>
> >
>
You can also do mydate__range=(datetime_obj1, datetime_obj2).

Alex

-- 
"I disapprove of what you say, but I will defend to the death your right to
say it." --Voltaire
"The people's good is the highest law."--Cicero

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Re: SQL Between query in sqlite3

[Kenneth Gonsalves]

On Saturday 11 April 2009 11:16:52 Nalini wrote:
> select * from Table where dates BETWEEN '2009-01-01' AND  '2009-01-31'
>  Can any one help me?

Model.objects.filter(mydate__gte='2009-01-01' ).filter(mydate__lte='2009-01-31')
-- 
regards
kg
http://lawgon.livejournal.com

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SQL Between query in sqlite3

[Nalini]

Hi,

I am using django, python and sqlite3 for my web page.

I want the datas from the database between two dates. how do i handle
it in django.

i want the query for this

select * from Table where dates BETWEEN '2009-01-01' AND  '2009-01-31'
 Can any one help me?



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Re: Dereferencing One-to-Many Relationships in Templates

[Anthony]

Ahh...never mind!

I tried doing a {% for S.M %}

that didn't work, but {% for S.M.all %} did

thanks for being my sounding board...


On Apr 10, 10:38 pm, Anthony  wrote:
> Hello,
>
> I'm passing queryset 'S' to a template.  S has several attributes, M,
> N and O.
>
> M has a one-to-many relationship with T.  I need to display:
>
> N, O, T^1, T^2 through T^n, etc. (the T list would be a filtered
> subset)
>
> Can this be done via template tags?  (Will I have to make custom
> ones?)  At the moment, I'm considering breaking out the T^x values in
> the view, then building a dictionary of tuples to pass them into the
> template.  However, it would seem more natural to me to be able to de-
> reference the T values directly from the template.
>
> Thanks,
> Anthony
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