Re: Calling some javascript for new visitors only

[Horst Gutmann]

What is stopping you from doing the cookie check itself with
JavaScript which is quite capable to do that :-)

http://www.quirksmode.org/js/cookies.html
http://plugins.jquery.com/project/cookie

On Wed, Jul 7, 2010 at 11:55 AM, euan.godd...@googlemail.com
 wrote:
> You'll need to do the test in the view and then pass the result of the
> test into the template.
>
> On Jul 7, 10:13 am, grimmus  wrote:
>> Hi,
>>
>> I need to show a javascript lightbox popup for new visitors to my
>> site.
>>
>> I presume using a cookie is the best way to achieve this. But how can
>> i check whether the cookie exists in my template, so i can call some
>> javascript code if it's a new visitor ?
>>
>> I hope i have been clear,
>>
>> Thanks
>
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Re: python logging and multiple process issue?

[Andy McKay]

Are you wanting to log errors that occur in your django site? If that's the 
case I'd recommend starting with simple tools like django's email logging and 
working up to more sophisticated tools like django-db-log or arecibo.

If you want to debug development code or you will find python's built in 
logging will be just fine for all but the most complicated of use cases. 

If you want to do access logging, your web server does that for you.
--
  Andy McKay, @andymckay
  Django Consulting, Training and Support

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Re: Streaming File Uploads with Lighttpd+Django

[Chris]

Nevermind, I finally found my answer after hours of searching in this
thread:
http://forum.lighttpd.net/topic/1142

On Jul 12, 11:08 pm, Chris  wrote:
> Hi all,
>
> I just recently deployed my django site from the included development
> webserver to a production server with lighttpd.  I'm new to both
> Lighttpd and Django so forgive my ignorance.  When using the
> development webserver, I can see streaming files in the tmp directory
> grow if the uploaded file is >2.5mb as Django says.  However, on my
> lighttpd configuration, it seems to keep the file in memory, because
> it doesn't show the temporary file in the tmp directory until the
> entire file has been uploaded.  This will be a problem as I'm planning
> on uploading files anywhere from 5mb- 5gb.  I'm not sure if there is
> something I need to set, or if lighty is streaming the upload but just
> to a different directory.
>
> Also, if anyone has any links or advice on large file uploads, please
> send them over...I'd love to know if there is a better approach.
>
> Thanks in advance!

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Re: python logging and multiple process issue?

[ydjango]

After reading your message, I googled and found this from you -

http://code.google.com/p/modwsgi/wiki/DebuggingTechniques

I guess this is what you are referring to.

does it mean -
1) any uncaught exceptions from my code running under mod_wsgi are
automatically logged in apache log files?

or

2) I need to do in my code

try:
.
except Exception,e:

print >> sys.stderr, " error in method xyz, exception:", e


thanks

On Jul 12, 8:18 pm, Graham Dumpleton 
wrote:
> What is wrong with letting it log to stderr and thus the Apache error
> log files?
>
> Graham
>
> On Jul 13, 11:52 am, ydjango  wrote:
>
> > Just checking, if anyone can point me to a good solution to it. Or
> > logging to sockets as in official doc is the best solution.
>
> > On Jul 11, 9:35 am, ydjango  wrote:
>
> > > Python logging has know limitation with multiple processes logging to
> > > same file.
> > > (I am using rotatingfilehandler.)
>
> > > Which in case of prefork MPM will always be an issue and can be an
> > > issue for worker mpm as well?
>
> > > Python doc recommends logging to sockets.
>
> > > What workarounds  are you using and can recommend ?

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Re: python logging and multiple process issue?

[ydjango]

You mean by using simple print statements. I used to do that when I
was on mod_python.
Then I moved to using mod_wsgi and read somewhere that mod_wsgi does
not log print statements.
I may have been mistaken.


On Jul 12, 8:18 pm, Graham Dumpleton 
wrote:
> What is wrong with letting it log to stderr and thus the Apache error
> log files?
>
> Graham
>
> On Jul 13, 11:52 am, ydjango  wrote:
>
> > Just checking, if anyone can point me to a good solution to it. Or
> > logging to sockets as in official doc is the best solution.
>
> > On Jul 11, 9:35 am, ydjango  wrote:
>
> > > Python logging has know limitation with multiple processes logging to
> > > same file.
> > > (I am using rotatingfilehandler.)
>
> > > Which in case of prefork MPM will always be an issue and can be an
> > > issue for worker mpm as well?
>
> > > Python doc recommends logging to sockets.
>
> > > What workarounds  are you using and can recommend ?

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Re: python logging and multiple process issue?

[Graham Dumpleton]

What is wrong with letting it log to stderr and thus the Apache error
log files?

Graham

On Jul 13, 11:52 am, ydjango  wrote:
> Just checking, if anyone can point me to a good solution to it. Or
> logging to sockets as in official doc is the best solution.
>
> On Jul 11, 9:35 am, ydjango  wrote:
>
>
>
> > Python logging has know limitation with multiple processes logging to
> > same file.
> > (I am using rotatingfilehandler.)
>
> > Which in case of prefork MPM will always be an issue and can be an
> > issue for worker mpm as well?
>
> > Python doc recommends logging to sockets.
>
> > What workarounds  are you using and can recommend ?

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Streaming File Uploads with Lighttpd+Django

[Chris]

Hi all,

I just recently deployed my django site from the included development
webserver to a production server with lighttpd.  I'm new to both
Lighttpd and Django so forgive my ignorance.  When using the
development webserver, I can see streaming files in the tmp directory
grow if the uploaded file is >2.5mb as Django says.  However, on my
lighttpd configuration, it seems to keep the file in memory, because
it doesn't show the temporary file in the tmp directory until the
entire file has been uploaded.  This will be a problem as I'm planning
on uploading files anywhere from 5mb- 5gb.  I'm not sure if there is
something I need to set, or if lighty is streaming the upload but just
to a different directory.

Also, if anyone has any links or advice on large file uploads, please
send them over...I'd love to know if there is a better approach.

Thanks in advance!

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Re: python logging and multiple process issue?

[ydjango]

Just checking, if anyone can point me to a good solution to it. Or
logging to sockets as in official doc is the best solution.

On Jul 11, 9:35 am, ydjango  wrote:
> Python logging has know limitation with multiple processes logging to
> same file.
> (I am using rotatingfilehandler.)
>
> Which in case of prefork MPM will always be an issue and can be an
> issue for worker mpm as well?
>
> Python doc recommends logging to sockets.
>
> What workarounds  are you using and can recommend ?

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New tutorial added to Django by Example

[Rainy]

I've added a new tutorial: A Photo Organizer and Sharing App to
my Django by Example site.  As always, feedback is appreciated.

This tutorial illustrates the use of tags, ratings, albums, sharing,
searching, filtering and sorting.

http://LightBird.net/dbe/

  -ak

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Re: Help Converting a Query getting one result using .filter() to .get()

[John M]

Why does it matter?

You could just say next_game[0] instead.

J

On Jul 12, 4:28 pm, Chris McComas  wrote:
> I have this query, trying to get the next game in the future.
>
> today = datetime.datetime.now()
> next_game = Game.objects.filter(date__gt=today).order_by('date')[:1]
>
> I need to use .get() if possible, instead of .filter() how can I do
> this?

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Help Converting a Query getting one result using .filter() to .get()

[Chris McComas]

I have this query, trying to get the next game in the future.

today = datetime.datetime.now()
next_game = Game.objects.filter(date__gt=today).order_by('date')[:1]

I need to use .get() if possible, instead of .filter() how can I do
this?

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Re: Mass Hosting on mod_wsgi?

[Graham Dumpleton]

On Jul 13, 1:04 am, ringemup  wrote:
> Hi folks --
>
> I'm planning on mass hosting a SaaS project built on Django, using
> Apache and mod_wsgi.  There will be hundreds of domains running off a
> single copy of the project code; each domain has a different Site ID
> and settings file, and can have its own Virtual Host (I'm also willing
> to serve them all off the same VirtualHost if that's simpler).
>
> I need some help figuring out what the VirtualHost directives and WSGI
> scripts should look like in order to a) serve all the sites cleanly
> and without conflict, and b) ideally avoid duplication of code as much
> as possible (in case, for instance, we have to change our default WSGI
> script down the line.)
>
> I've googled around a bit, but haven't really seen anything that seems
> to cover our use case.  Has anyone done this before?  Can you offer
> any pointers?

How much of the documentation on the official mod_wsgi site have you
read?

Your use case is basically the standard deployment method, duplicated
for each VirtualHost.

I could suggest some alternatives to that to support a common WSGI
script file, but still allow a way of restarting a single daemon
process by touching a file specific to each site, eg., that sites
settings file.

Before doing that though would like to see that you have the standard
deployment method working first and understand that else if I start
talking about improvements to that without you have actually got the
standard method working first, then may just confuse you.

Also would need to know what naming strategy you are going to use for
the site specific settings files. If know that can describe
alternative in a way that makes sense to you rather than you having to
translate it.

Graham

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Go to the admin change password page instead my template since django-registration update

[Alexandre González]

Hi!

Since I update my django-registration installation to be able to use
signals, I lost my templates to change password, reset password... There is
now the default django admin templates to do that. How can I use again my
templates?

Do you need some paste or more info?

This is my urls.py, it is imported in the project as: (r'^accounts/',
include('networking.urls')),

from django.conf.urls.defaults import *
from registration.views import register
from views import show_business, get_qrcode
from forms import edit_profile, RegistrationFormTOSAndUniqueEmail,
edit_or_delete_business, add_business, initial_setup
from django.views.generic.simple import redirect_to

urlpatterns = patterns('',
# django-registration
url(r'^register/$',
register,
{'backend': 'registration.backends.default.DefaultBackend',
'form_class': RegistrationFormTOSAndUniqueEmail },
name='registration_register'),
#(r'^activate/complete/$', redirect_to, {'url': '/'}),
(r'^profile/$', redirect_to, {'url': '/'}),
url(r'^profile/edit$', edit_profile, name='edit_profile'),
(r'^', include('registration.backends.default.urls')),

)

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and/or .pptx
http://mirblu.com

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Re: Trouble writing a view for a model

[Nick]

I think a choice field is probably best, then you can customize the
presentation in a forms file.

class Question(models.Model):
q_cjoices = (
('choice1', 'choice1'),
('choice2', 'choice2'),
('choice3', 'choice3'),
('choice4', 'choice4'),
('choice5', 'choice5'),
)

title = modelsForeignKey(Title)
choices = models.CharField(choices=q_choices, max_length=100)

In the form declaration you can use this

from models.Questions import q_choices
from django.forms.extras.widgets import RadioSelect

choices = forms.CharField(choices=q_choices, widget=RadioSelect)

That would work unless you want someone to be able add choices based
on individual questions in which case you'll need to use a many to
many field, something like this:

Question(models.Model)
title = models.ForeignKey(Title)
Choice = models.ManyToManyField(Choice)

class Choice(models.CharField)
choice_1 = models.CharField( etc. etc. etc.



On Jul 12, 4:21 pm, rupert  wrote:
> Thanks for replying.
>
> I'm ultimately trying to create a feedback form where there is a list
> of say 10 questions with 5 choices for response to each question. It
> also needs to be editable in the admin (and I can't get forms to be
> editable in the admin).
>
> On Jul 12, 5:11 pm, Rodion Raskolnikiv  wrote:
>
> > Rupert,
> > Without knowing what you are aiming to accomplish, my advice might not
> > be pertinent. However, it looks like your models could be rearranged
> > like this:
>
> > class Question(models.Model):
> >     question = models.CharField(max_length=200)
> >     pub_date = models.DateTimeField('date published')
>
> > class Choice(models.Model):
> >     poll = models.ForeignKey(Question)
> >     choice = models.CharField(max_length=200)
> >     votes = models.IntegerField()
>
> > (Slightly modified from:http://docs.djangoproject.com/en/dev/intro/
> > tutorial01/)
>
> > On Jul 12, 1:49 pm, rupert  wrote:
>
> > > For this code:
>
> > > class Title(models.Model):
> > >         title = models.CharField(max_length=200)
> > >         pub_date = models.DateTimeField('date published')
>
> > >         def __unicode__(self):
> > >                 return self.title
>
> > >         def was_published_today(self):
> > >                 return self.pub_date.date() == datetime.date.today()
>
> > > class Question(models.Model):
> > >         title = models.ForeignKey(Title)
> > >         question = models.CharField(max_length=200)
> > >         choice1 = models.CharField(max_length=200)
> > >         choice2 = models.CharField(max_length=200)
> > >         choice3 = models.CharField(max_length=200)
> > >         choice4 = models.CharField(max_length=200)
> > >         choice5 = models.CharField(max_length=200)
>
> > >         def __unicode__(self):
> > >                 return self.question
>
> > > I'm trying to write a view where it outputs like this
>
> > > Question
>
> > > Choice 1-choice 5 in a radio button

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Re: Trouble writing a view for a model

[rupert]

Thanks for replying.

I'm ultimately trying to create a feedback form where there is a list
of say 10 questions with 5 choices for response to each question. It
also needs to be editable in the admin (and I can't get forms to be
editable in the admin).

On Jul 12, 5:11 pm, Rodion Raskolnikiv  wrote:
> Rupert,
> Without knowing what you are aiming to accomplish, my advice might not
> be pertinent. However, it looks like your models could be rearranged
> like this:
>
> class Question(models.Model):
>     question = models.CharField(max_length=200)
>     pub_date = models.DateTimeField('date published')
>
> class Choice(models.Model):
>     poll = models.ForeignKey(Question)
>     choice = models.CharField(max_length=200)
>     votes = models.IntegerField()
>
> (Slightly modified from:http://docs.djangoproject.com/en/dev/intro/
> tutorial01/)
>
> On Jul 12, 1:49 pm, rupert  wrote:
>
> > For this code:
>
> > class Title(models.Model):
> >         title = models.CharField(max_length=200)
> >         pub_date = models.DateTimeField('date published')
>
> >         def __unicode__(self):
> >                 return self.title
>
> >         def was_published_today(self):
> >                 return self.pub_date.date() == datetime.date.today()
>
> > class Question(models.Model):
> >         title = models.ForeignKey(Title)
> >         question = models.CharField(max_length=200)
> >         choice1 = models.CharField(max_length=200)
> >         choice2 = models.CharField(max_length=200)
> >         choice3 = models.CharField(max_length=200)
> >         choice4 = models.CharField(max_length=200)
> >         choice5 = models.CharField(max_length=200)
>
> >         def __unicode__(self):
> >                 return self.question
>
> > I'm trying to write a view where it outputs like this
>
> > Question
>
> > Choice 1-choice 5 in a radio button

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Re: must be μ

[Martin Melin]

2010/7/12 Alessandro Ronchi :
> I want django to return  μ  instead of the html enscaped form  in my
> views, because I need it to return a reportlab template wich doesn't handle
> the escaped version.
> I already have an unicode template and unicode output, so I only those
> characters not to convert to their HTML version.

Isn't this simply the matter of running it through the template tag
"safe"? {{ your_output_string|safe }} should output the unicode data
verbatim.

>
> Is it possible?
> How?
>
> Thanks in advance,
> --
> Alessandro Ronchi
> http://www.soasi.com
>
> Hobby & Giochi
> http://hobbygiochi.com
> http://www.facebook.com/hobbygiochi
>
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>

Best regards
Martin Melin

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Re: Trouble writing a view for a model

[Rodion Raskolnikiv]

Rupert,
Without knowing what you are aiming to accomplish, my advice might not
be pertinent. However, it looks like your models could be rearranged
like this:

class Question(models.Model):
question = models.CharField(max_length=200)
pub_date = models.DateTimeField('date published')

class Choice(models.Model):
poll = models.ForeignKey(Question)
choice = models.CharField(max_length=200)
votes = models.IntegerField()

(Slightly modified from:http://docs.djangoproject.com/en/dev/intro/
tutorial01/)


On Jul 12, 1:49 pm, rupert  wrote:
> For this code:
>
> class Title(models.Model):
>         title = models.CharField(max_length=200)
>         pub_date = models.DateTimeField('date published')
>
>         def __unicode__(self):
>                 return self.title
>
>         def was_published_today(self):
>                 return self.pub_date.date() == datetime.date.today()
>
> class Question(models.Model):
>         title = models.ForeignKey(Title)
>         question = models.CharField(max_length=200)
>         choice1 = models.CharField(max_length=200)
>         choice2 = models.CharField(max_length=200)
>         choice3 = models.CharField(max_length=200)
>         choice4 = models.CharField(max_length=200)
>         choice5 = models.CharField(max_length=200)
>
>         def __unicode__(self):
>                 return self.question
>
> I'm trying to write a view where it outputs like this
>
> Question
>
> Choice 1-choice 5 in a radio button

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Re: Error related to googlebot?

[Tor Nordam]

Thank you for your reply. I have now tried disabling cookies,
javascript and referer, and I was still unable to reproduce any of the
errors.

Here is a sample errormessage, with everything included:

Traceback (most recent call last):

 File "/usr/local/lib/python2.6/site-packages/django/core/handlers/
base.py", line 80, in get_response
   response = middleware_method(request)

 File "/usr/local/lib/python2.6/site-packages/django/middleware/
common.py", line 57, in process_request
   if (not _is_valid_path(request.path_info, urlconf) and

 File "/usr/local/lib/python2.6/site-packages/django/middleware/
common.py", line 143, in _is_valid_path
   urlresolvers.resolve(path, urlconf)

 File "/usr/local/lib/python2.6/site-packages/django/core/
urlresolvers.py", line 301, in resolve
   return get_resolver(urlconf).resolve(path)

 File "/usr/local/lib/python2.6/site-packages/django/core/
urlresolvers.py", line 214, in resolve
   for pattern in self.url_patterns:

 File "/usr/local/lib/python2.6/site-packages/django/core/
urlresolvers.py", line 243, in _get_url_patterns
   patterns = getattr(self.urlconf_module, "urlpatterns",
self.urlconf_module)

 File "/usr/local/lib/python2.6/site-packages/django/core/
urlresolvers.py", line 238, in _get_urlconf_module
   self._urlconf_module = import_module(self.urlconf_name)

 File "/usr/local/lib/python2.6/site-packages/django/utils/
importlib.py", line 35, in import_module
   __import__(name)

 File "/home/users/presskanne/dcalcuttagutta/urls.py", line 7, in

   admin.autodiscover()

 File "/usr/local/lib/python2.6/site-packages/django/contrib/admin/
__init__.py", line 24, in autodiscover
   import_module('%s.admin' % app)

 File "/usr/local/lib/python2.6/site-packages/django/utils/
importlib.py", line 35, in import_module
   __import__(name)

 File "/home/users/presskanne/dcalcuttagutta/articles/admin.py", line
10, in 
   from dcalcuttagutta.articles.models import Article, ArticleVersion,
Comment, CommentVersion, Category, Tag

 File "/home/users/presskanne/dcalcuttagutta/articles/models.py", line
19, in 
   from dcalcuttagutta.members.models import Member

 File "/home/users/presskanne/dcalcuttagutta/members/models.py", line
82, in 
   class MemberCreationForm(UserCreationForm):

 File "/home/users/presskanne/dcalcuttagutta/members/models.py", line
105, in MemberCreationForm
   language_interface = forms.ModelChoiceField(queryset =
Language.objects.filter(interface_translation = True)) #Language of
calcuttagutta interface

 File "/usr/local/lib/python2.6/site-packages/django/db/models/
manager.py", line 141, in filter
   return self.get_query_set().filter(*args, **kwargs)

 File "/usr/local/lib/python2.6/site-packages/django/db/models/
query.py", line 550, in filter
   return self._filter_or_exclude(False, *args, **kwargs)

 File "/usr/local/lib/python2.6/site-packages/django/db/models/
query.py", line 568, in _filter_or_exclude
   clone.query.add_q(Q(*args, **kwargs))

 File "/usr/local/lib/python2.6/site-packages/django/db/models/sql/
query.py", line 1131, in add_q
   can_reuse=used_aliases)

 File "/usr/local/lib/python2.6/site-packages/django/db/models/sql/
query.py", line 1026, in add_filter
   negate=negate, process_extras=process_extras)

 File "/usr/local/lib/python2.6/site-packages/django/db/models/sql/
query.py", line 1182, in setup_joins
   field, model, direct, m2m = opts.get_field_by_name(name)

 File "/usr/local/lib/python2.6/site-packages/django/db/models/
options.py", line 291, in get_field_by_name
   cache = self.init_name_map()

 File "/usr/local/lib/python2.6/site-packages/django/db/models/
options.py", line 321, in init_name_map
   for f, model in self.get_all_related_m2m_objects_with_model():

 File "/usr/local/lib/python2.6/site-packages/django/db/models/
options.py", line 396, in get_all_related_m2m_objects_with_model
   cache = self._fill_related_many_to_many_cache()

 File "/usr/local/lib/python2.6/site-packages/django/db/models/
options.py", line 410, in _fill_related_many_to_many_cache
   for klass in get_models():

 File "/usr/local/lib/python2.6/site-packages/django/db/models/
loading.py", line 167, in get_models
   self._populate()

 File "/usr/local/lib/python2.6/site-packages/django/db/models/
loading.py", line 64, in _populate
   self.load_app(app_name)

 File "/usr/local/lib/python2.6/site-packages/django/db/models/
loading.py", line 78, in load_app
   models = import_module('.models', app_name)

 File "/usr/local/lib/python2.6/site-packages/django/utils/
importlib.py", line 35, in import_module
   __import__(name)

 File "/home/users/presskanne/dcalcuttagutta/media_files/models.py",
line 17, in 
   from dcalcuttagutta.articles.models import Tag

ImportError: cannot import name Tag


,
POST:,
COOKIES:{},
META:{'DOCUMENT_ROOT': '/home/users/presskanne/www',
'GATEWAY_INTERFACE': 'CGI/1.1',
'HTTP_ACCEPT': '*/*',
'HTTP_ACCEPT_ENCODING': 'gzip,deflate',
'HTTP_CONNECTION': 'close',
'HTTP_FROM': 'googlebot(at)googlebot.com',
'HTTP_HOST': 

Re: Javascript string catalogs (jsi18n) - accessing strings in project/locale?

[Jari Pennanen]

Hi, I know this comes late, but for the future reference:

My problem was that I had "locale" directory in *project* directory,
"myproject/locale" but I didn't have myproject in INSTALLED_APPS.

So the thing that contains localization strings *must* be ALSO in the
INSTALLED_APPS = [..., 'myproject']

On 8 kesä, 16:13, Stodge  wrote:
> I ran makemessages -d djangojs from my project level directory, and
> Django automatically generated the .po file in project/locale/. I
> followed the documentation (and the book The Definitive Guide to
> Django) but I cannot access these translated strings. The catalog is
> always empty. My urls contains:
>
> js_info_dict = {
>         'packages': ('django.conf',),
>
> }
>
> But this doesn't work. I tried:
>
> js_info_dict = {
>         'packages': ('project_name',),
>
> }
>
> As this is package name for the project directory, but no dice. So how
> do I access the strings in my project directory?
>
> Thanks

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Re: Easiest way to pass variables between modelforms (genericforms)

[Erich]

Derek,

Cool, thanks for that. I wonder if something similar would work on
passing values to a formset...

Erich

On Jul 8, 1:17 am, derek  wrote:
> On Jul 7, 12:44 am, Erich  wrote:
>
> > I am using create_update.create_object to handle my forms (generic
> > forms both use modelforms). I have two forms. The second relies on the
> > pk of the first as a fk. I can't figure out what is the best practice
> > to A: save the pk as a variable or into the session, then B: pull that
> > variable either out of the session or another place, such as a global
> > variable.
>
> > I could write the forms manually, but this does not seem to be the
> > most efficient way, unless create_object was meant for very simple
> > forms. I have tried using extra_context to call another function, but
> > I dont know if that is the best way either.
>
> Maybe have a look 
> at:http://www.petersanchez.com/2008/09/26/django-formwizard-passing-data...

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Trouble writing a view for a model

[rupert]

For this code:

class Title(models.Model):
title = models.CharField(max_length=200)
pub_date = models.DateTimeField('date published')

def __unicode__(self):
return self.title

def was_published_today(self):
return self.pub_date.date() == datetime.date.today()

class Question(models.Model):
title = models.ForeignKey(Title)
question = models.CharField(max_length=200)
choice1 = models.CharField(max_length=200)
choice2 = models.CharField(max_length=200)
choice3 = models.CharField(max_length=200)
choice4 = models.CharField(max_length=200)
choice5 = models.CharField(max_length=200)

def __unicode__(self):
return self.question

I'm trying to write a view where it outputs like this

Question

Choice 1-choice 5 in a radio button

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Re: must be μ

[Alexandre González]

Try mark_safe.

from django.utils.safestring import mark_safe

mark_safe('μ')

2010/7/12 Alessandro Ronchi 

> I want django to return  μ  instead of the html enscaped form  in my
> views, because I need it to return a reportlab template wich doesn't handle
> the escaped version.
> I already have an unicode template and unicode output, so I only those
> characters not to convert to their HTML version.
>
> Is it possible?
> How?
>
> Thanks in advance,
> --
> Alessandro Ronchi
> http://www.soasi.com
>
> Hobby & Giochi
> http://hobbygiochi.com
> http://www.facebook.com/hobbygiochi
>
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and/or .pptx
http://mirblu.com

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must be μ

[Alessandro Ronchi]

I want django to return  μ  instead of the html enscaped form  in my
views, because I need it to return a reportlab template wich doesn't handle
the escaped version.
I already have an unicode template and unicode output, so I only those
characters not to convert to their HTML version.

Is it possible?
How?

Thanks in advance,
-- 
Alessandro Ronchi
http://www.soasi.com

Hobby & Giochi
http://hobbygiochi.com
http://www.facebook.com/hobbygiochi

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__init__ custom form validation

[Nick]

I am working on a validation that will require a field be filled in if
it is another field enters on of three values:

For example:

I have a form

class myform(forms.Modelform):
field1 = forms.CharField
field2 = forms.Charfield
field3_type = forms.CharField(choices=choices)
field3 = forms.DateTimeField(required=True)

def __init__(self, field3_type, *args, **kwargs):
super(myform, self_.__init__(*args, **kwargs)
if field3_type in ('option 1', 'option 2', 'option 3'):
self.field['field3'] = forms.DateTiemField(required=False)

The view:
if request.method == 'POST':
form = myform(request.POST)
field3_type = form.cleaned_data['field3_type']
if form.is_valid():
# some form processing
else:
   form = myform()

When i try to use the form I get an error at the myform() line stating
that __init__ takes exactyl 2 arguments and only 1 is given.

Any thoughts?

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Re: Error related to googlebot?

[Tim Chase]

On 07/12/2010 01:10 PM, Tor Nordam wrote:

So my question is if there is anything in particular which might cause
the page to crash when a searchbot tries to load it, but not do the
same for a regular user.


Well, additional information about the HTTP transaction might 
help.  Bots may or may not include any of a subset of the following:


 Refe(r)rer
 Cookies
 JavaScript

So you might try tweaking your browser (FF has some nice plugins 
for controlling these various bits) to refrain from processing 
any of these and see if it makes a difference.


-tkc



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Error related to googlebot?

[Tor Nordam]

I'm currently writing a blog framework in django, and I have it up an
running (on www.presskanne.com). During the last 20 hours or so, I
have gotten about 60 emails with error 500 messages. They seem to
originate from different pages all over the site, but they all have
two things in common:

The tracebacks all show that the problem is in importing one
particular model

The clients are all either googlebot or yahoo slurp

Also, I can't reproduce any of the errors myself. When I visit the
offending urls, everything either seems fine, or in the case of a
nonexistent page, I get a nice 404 message.

So my question is if there is anything in particular which might cause
the page to crash when a searchbot tries to load it, but not do the
same for a regular user.

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get_profile() with AUTH_PROFILE_MODULE set on an abstract class

[JLI]

Hello,

I am currently encountering an issue and have been unable to figure
out a solution by myself or through the internet.

Here is what I'm trying to do :

I would like to setup profiles for the two different categories of
people who are going to run my website (something like teacher/
students; both profiles don't have the exact same fields
requirements). Hence, I tried to subclass Django's User class into
another class, UserProfile, which is the one that is refered to in
settings.py through AUTH_PROFILE_MODULE. I have no problem so far.

When I try to create two classes who inherit the UserProfile one, I
come up with the following error : 'NoneType' object has no attribute
'_default_manager' when trying to access request.user.get_profile().

After reading most of the topics that are related to that error, I'm
still unable to figure out where my problem stands. Could it be
because of the Class Meta : abstract = True that my UserProfile class
contains? Is there another clean way to do this (I though I could
maybe put all the fields into UserProfile, most of them would then
remain blank since they are not relevant for both profile, but it
seems to me that that solution would be rather dirty).

Thanks in advance for your time,

J.L.

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Odd Issue Updating Model Values -- They get wrapped in parenthesis and quotes

[Michael]

Hello,

I am having an odd issue updating a table (I don't have this issue on
any other table)... When I update the value it gets wrapped in
('NEW_VALUE',) when it should just be NEW_VALUE.

Current Value in DB Desired New Value -- Before Saving
PerezPerez
Current Value in DB Desired New Value -- After Saving
('Perez',)Perez

Here is the code:

*** DOESN'T WORK ***
def updateYouth(youth,line):
print "Current Value\tNew Value -- Before Saving\n{0:16}
{1:16}".format(youth.name_last, line['Youth - Last
Name'].title().strip())

if len(line['Youth - First Name']) > 0:
youth.name_first=line['Youth - First Name'].title().strip(),
if len(line['Youth - Middle Name']) > 0:
youth.name_middle=line['Youth - Middle Name'].title().strip(),
if len(line['Youth - Last Name']) > 0: youth.name_last=line['Youth
- Last Name'].title().strip(),

youth.save()
print "Current Value\tNew Value -- After Saving\n{0:16}
{1:16}".format(youth.name_last, line['Youth - Last
Name'].title().strip())

..
name_first = models.CharField(max_length=255, verbose_name="First
Name")
name_middle = models.CharField(max_length=255, blank=True,
verbose_name="Middle Name")
name_last = models.CharField(max_length=255, verbose_name="Last
Name")
.

*** DOES WORK ***

def updateParent(parent,which,line):
if len(line['Parent '+which+' - First Name']) > 0:
parent.name_first=line['Parent '+which+' - First
Name'].title().strip()
if len(line['Parent '+which+' - Middle Name']) > 0:
parent.name_middle=line['Parent '+which+' - Middle
Name'].title().strip()
if len(line['Parent '+which+' - Last Name']) > 0:
parent.name_last=line['Parent '+which+' - Last Name'].title().strip()
.
name_first = models.CharField(max_length=255, verbose_name="First
Name")
name_middle = models.CharField(max_length=255, blank=True,
verbose_name="Middle Name")
name_last = models.CharField(max_length=255, verbose_name="Last
name")
.

Any Ideas?

Thanks,
Michael

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Re: way to detecting visitiors zip code

[Rodion Raskolnikiv]

There are various tools to map a visitor's IP to their zip code:
http://www.google.com/search?hl=en=ip+to+zip
That would be where I would start with such a project...

On Jul 12, 7:53 am, haibin  wrote:
> hi all,
>
> Is there a way to get the visitor's location represented as zip code
> (not only in US)? I have no idea how to do this, please help.
>
> Thanks,
> James

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displaying template item based on url

[gondor]

Does anyone know how to display certain template items based on url?
For example.

 http://localhost/aeditpage/varX/
 http://localhost/anothereditpage/varY


I want to check if it aeditpage or anothereditpage before I decide
what pieces of the template to display.


In the page I grab data from a database and display it.  How do I
access  page variables so I can display them in the template?

I'm trying to pass a particular variable via the url and need access
to a particular table ID.

thanx
Gondor

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Re: How to pass a GET param that contains multiple items

[Margie Roginski]

Thanks, Euan!

Margie

On Jul 11, 2:00 am, "euan.godd...@googlemail.com"
 wrote:
> This is a standard encode/decode situation you are descibing. Django
> automatically decodes the GET string the the browser encodes. If you
> need spaces, then they wil be encoded and decoded appropriately, so
> don't worry about that.
>
> If you want to pass a list in the GET string, do:
>
> url?var=1=2=3
>
> Django will intepret this in it's multi-value dict implementation that
> QueryDict uses. So if you do:
>
> request.GET.getlist('var')
>
> you will get:
>
> ['1', '2', '3']
>
> Hope that helps, Euan
>
> On 10 July, 23:40, Margie Roginski  wrote:
>
> > I have a url in my app that needs to get info from a GET param.  For
> > example, let's say my url is retrieving books by any of a set of
> > authors, so the url might be this to get books authored by smith,
> > johnson, or klein:
>
> >www.example.com/books/?author=smith+johnson+klein
>
> > I notice that when I look at request.GET.get('author') on the server,
> > the '+' is gone and replaced by space:
>
> > 
>
> > Is this django doing this for me or is this some sort of general http
> > protocal thing?
>
> > My main question is just - what's the accepted way to pass in a get
> > parameter that contains a bunch of times.  What if the parameter
> > itself has spaces?  I've seen this '+' used - is that standard or just
> > personal preference?
>
> > Thanks,
> > Margie

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Developing Facebook Apps

[Binh]

Hi,

I've been trying to build facebook apps on Google App Engine using the
Google App Engine Helper.

I've set up dyndns to point to my network so I can develop locally,
but it's not working as planned.

When I try to go to my domain Ex: something.gotdns.org:8000 or go to
the facebook app that has this callback url it can't communicate with
my local machine where I'm building the app.

However, when I go on a different machine and go to my domain, I'm
able to communicate with my app.

Does anyone know how to set up the local development machine so it can
communicate with the app?

Thank you so much in advance.

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Developing Facebook Apps

[Binh]

Hi,

I've been trying to build facebook apps on Google App Engine using the
Google App Engine Helper.

I've set up dyndns to point to my network so I can develop locally,
but it's not working as planned.

When I try to go to my domain Ex: something.gotdns.org:8000 or go to
the facebook app that has this callback url it can't communicate with
my local machine where I'm building the app.

However, when I go on a different machine and go to my domain, I'm
able to communicate with my app.

Does anyone know how to set up the local development machine so it can
communicate with the app?

Thank you so much in advance.

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Mass Hosting on mod_wsgi?

[ringemup]

Hi folks --

I'm planning on mass hosting a SaaS project built on Django, using
Apache and mod_wsgi.  There will be hundreds of domains running off a
single copy of the project code; each domain has a different Site ID
and settings file, and can have its own Virtual Host (I'm also willing
to serve them all off the same VirtualHost if that's simpler).

I need some help figuring out what the VirtualHost directives and WSGI
scripts should look like in order to a) serve all the sites cleanly
and without conflict, and b) ideally avoid duplication of code as much
as possible (in case, for instance, we have to change our default WSGI
script down the line.)

I've googled around a bit, but haven't really seen anything that seems
to cover our use case.  Has anyone done this before?  Can you offer
any pointers?

Thanks!
-Nan

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Queryset returning modelinstances of manytomany relationship?

[Doug Warren]

Say I have 2 classes as:

class Bar(models.Model):
prop = IntegerField()

class Foo(models.Model):
bar = ManyToManyField(Bar)

I want to return a QuerySet containing model instances of bar that
match the query:
QuerySetOfFoos.objects.filter(bar__prop__gt=0)

Is there an easy way to do this?  I know that in the model instance I
could do foo.bar_set but not sure how to do it over all of the
original QuerySet...

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way to detecting visitiors zip code

[haibin]

hi all,

Is there a way to get the visitor's location represented as zip code
(not only in US)? I have no idea how to do this, please help.

Thanks,
James

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Re: www.djangoproject.com

[Andi]

On Jul 12, 3:40 pm, Nick Raptis  wrote:
> Yea, for some reason, my thoughts went to Weave too. Maybe it has
> something to do with it, maybe it doesn't. Haven't got any more trouble
> since I fixed it though.
> Glad I could help :)

I'm using Weave too, don't think that's a coincidence.

Bye, Andi

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Re: Access Foreignkey ID without doing query? (Merging Foreignkey/M2M) (manual select_related)

[Jari Pennanen]

Uhh, you are right... it does work!

I though I was writing a pseudo code (without testing that my pseudo
code indeed worked already)... Sometimes Django is intuitive to extent
it guesses what I wanted!

Though foreignkey documentation did not include information that I can
access the raw ID like "host_id".

And BTW I ended up using dict to cache the ID's myself too.

On 12 heinä, 15:21, Daniel Roseman  wrote:
> On Jul 12, 11:29 am, Jari Pennanen  wrote:
>
>
>
>
>
> > Hi!
>
> > Is it possible to access the foreignkey ID value of model? I do not
> > want Django ORM to try to make query because it fails in this case. I
> > have exact same problem 
> > ashttp://groups.google.com/group/django-users/browse_thread/thread/d24f...
> > (though I'm not using admin, I have list view of my own)
>
> > I will use the same example:
>
> > Host
> >     name = CharField
> > Account
> >     name = CharField
> >     host = ForeignKey(Host, related_name='accounts')
>
> > I have list of "Host" where I need to also list on each item a list of
> > accounts. Now if I could access the raw "Account.host" foreignkey ID I
> > could do this in two queries:
>
> > hosts = list(Host.objects.all())
> > accounts = list(Account.objects.filter(host__in=hosts))
>
> > for h in hosts:
> >   h.account_list = [a for a in accounts if a.host_id == h.id] #
> > NOTICE: THIS is not possible! I cannot access the foreignkey host_id :
> > (
>
> Why not? What happens? This is the correct way to access the foreign
> key ID.
>
> Note that if you get this working, you'll be iterating through all the
> selected accounts each time, for every Host. If you've got large
> numbers of accounts, there is a slightly more efficient way of doing
> this, by using dictionaries to pre-group the accounts by their
> matching hosts: see my blog[1] for an explanation.
> --
> DR.
>
> [1]:http://blog.roseman.org.uk/2010/01/11/django-patterns-part-2-efficien...

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Re: www.djangoproject.com

[Nick Raptis]

I too have upgraded my Ubuntu systems over several versions in the 
past, and also have Weave (now Firefox Sync) installed since a few 
weeks, which leaves me wondering how the nonstandard setting got into 
the profile in the first place.



Yea, for some reason, my thoughts went to Weave too. Maybe it has 
something to do with it, maybe it doesn't. Haven't got any more trouble 
since I fixed it though.

Glad I could help :)

Nick

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Django Redirect App / Google Analytics

[scoopseven]

I'm using the Django Redirect app (http://docs.djangoproject.com/en/
dev/ref/contrib/redirects/) but I'd like to have Google Analytics
track the urls that's I'm redirecting.  Is there an standard way to do
something like this without hacking the Django core?

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Re: Dajax or Jquery

[CrabbyPete]

I never saw Dajax, but after reading I see it supports Jquery. I use
mootools and Jquery and both are great.  Dajax just seem to integrate
them into django a little easier.

On Jul 12, 6:36 am, Imad Elharoussi  wrote:
> Hi,
>
> I want to know what's the best plugin of Ajax to use with django Dajax or
> Jquery (for someone who just began in developping with such technologies)
>
> Thanks

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Re: www.djangoproject.com

[Carsten Fuchs]

On 08.07.2010 17:12, Nick Raptis wrote:

In firefox, check your preffered language settings, in the content tab.

If there is a non-standard value there (perhaps "/etc/locale/prefs.conf" or 
something) instead of a
locale like en-US,
some django pages won't ever display.


Many thanks also from me!
I too had the exact same problem, and your fix helped.

I too have upgraded my Ubuntu systems over several versions in the past, and also have Weave (now 
Firefox Sync) installed since a few weeks, which leaves me wondering how the nonstandard setting got 
into the profile in the first place.


Anyways, many thanks for your post!

Best,
Carsten



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Description: S/MIME Cryptographic Signature

Did anybody ever move the filter column (admin) on the left?

[Massimiliano della Rovere]

I know it's just messign with the css files, but there are a lot of
lines marked with ".filter", not counting the grey border fo the main
table when the filter list is taller than the "instances" box.

I was wondering if anybody has a css files with the modified lines to
include in the Media class of the Admin interface.

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RE: 'django.contrib.comments', Error: No module named comments.

[justin jools]

Oops!

I had 'comments' in my settings.py installed apps for some reason...
removed and works fine

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RE: 'django.contrib.comments', Error: No module named comments.

[justin jools]

Oops!

I had 'comments' in my settings.py installed apps for some reason...
removed and works fine

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Re: 'django.contrib.comments', Error: No module named comments. Can someone explain why?

[Oleg Lomaka]

You already have correct 'django.contrib.comments' in INSTALLED_APPS. Why did 
you add another 'comments' as last element?

On Jul 12, 2010, at 4:14 PM, justin jools wrote:

> I've set up basic blog with, all running fine but when I runserver I
> get Error: No module named comments. I've checked the Python path
> (below) and the app/function is there.  Can someone explain why it is
> isn't finding this when it finds all other installed apps e.g. markup,
> tagging.
> 
> C:\Python26\Lib\site-packages\django\contrib\comments
> 
> INSTALLED_APPS = (
>'django.contrib.auth',
>'django.contrib.contenttypes',
>'django.contrib.sessions',
>'django.contrib.sites',
>'django.contrib.admin',
>'django.contrib.comments',
>'django.contrib.markup',
>'portfolio',
>'basic.blog',
>'basic.inlines',
>'tagging',
>'comments',
> )

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'django.contrib.comments', Error: No module named comments. Can someone explain why?

[justin jools]

I've set up basic blog with, all running fine but when I runserver I
get Error: No module named comments. I've checked the Python path
(below) and the app/function is there.  Can someone explain why it is
isn't finding this when it finds all other installed apps e.g. markup,
tagging.

C:\Python26\Lib\site-packages\django\contrib\comments

INSTALLED_APPS = (
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.admin',
'django.contrib.comments',
'django.contrib.markup',
'portfolio',
'basic.blog',
'basic.inlines',
'tagging',
'comments',
)

Many Thanks

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Re: reversing admin urls

[David De La Harpe Golden]

On 12/07/10 11:27, bigfudge wrote:
> Hi - is it possible to reverse admin urls for user-apps? For example,
> if I have an app named "Survey" and a model named "Question", is there
> a consistent format for reversing the url to edit this model in the
> admin interface (by default this would be /admin/survey/question/)
> 

http://docs.djangoproject.com/en/dev/ref/contrib/admin/#reversing-admin-urls

{% url admin:survey_question_change question.id %}

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Re: reversing admin urls

[Daniel Roseman]

On Jul 12, 11:27 am, bigfudge  wrote:
> Hi - is it possible to reverse admin urls for user-apps? For example,
> if I have an app named "Survey" and a model named "Question", is there
> a consistent format for reversing the url to edit this model in the
> admin interface (by default this would be /admin/survey/question/)
>
> Many thanks,
>
> B

http://docs.djangoproject.com/en/1.2/ref/contrib/admin/#reversing-admin-urls
--
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Re: Access Foreignkey ID without doing query? (Merging Foreignkey/M2M) (manual select_related)

[Daniel Roseman]

On Jul 12, 11:29 am, Jari Pennanen  wrote:
> Hi!
>
> Is it possible to access the foreignkey ID value of model? I do not
> want Django ORM to try to make query because it fails in this case. I
> have exact same problem 
> ashttp://groups.google.com/group/django-users/browse_thread/thread/d24f...
> (though I'm not using admin, I have list view of my own)
>
> I will use the same example:
>
> Host
>     name = CharField
> Account
>     name = CharField
>     host = ForeignKey(Host, related_name='accounts')
>
> I have list of "Host" where I need to also list on each item a list of
> accounts. Now if I could access the raw "Account.host" foreignkey ID I
> could do this in two queries:
>
> hosts = list(Host.objects.all())
> accounts = list(Account.objects.filter(host__in=hosts))
>
> for h in hosts:
>   h.account_list = [a for a in accounts if a.host_id == h.id] #
> NOTICE: THIS is not possible! I cannot access the foreignkey host_id :
> (

Why not? What happens? This is the correct way to access the foreign
key ID.

Note that if you get this working, you'll be iterating through all the
selected accounts each time, for every Host. If you've got large
numbers of accounts, there is a slightly more efficient way of doing
this, by using dictionaries to pre-group the accounts by their
matching hosts: see my blog[1] for an explanation.
--
DR.

[1]: 
http://blog.roseman.org.uk/2010/01/11/django-patterns-part-2-efficient-reverse-lookups/

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reversing admin urls

[bigfudge]

Hi - is it possible to reverse admin urls for user-apps? For example,
if I have an app named "Survey" and a model named "Question", is there
a consistent format for reversing the url to edit this model in the
admin interface (by default this would be /admin/survey/question/)

Many thanks,

B

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Re: Please unsubscribe this email

[Alexandre González]

;? Have you tried to read the signature?

On Mon, Jul 12, 2010 at 13:34, David Ally  wrote:

> Please unsubscribe this email.
>
>
> David
>
>
>
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Please unsubscribe this email

[David Ally]

Please unsubscribe this email.


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Re: Dajax or Jquery

[David De La Harpe Golden]

On 12/07/10 11:36, Imad Elharoussi wrote:
> Hi,
> 
> I want to know what's the best plugin of Ajax to use with django Dajax or
> Jquery (for someone who just began in developping with such technologies)
>

They don't do the same thing?

jquery is a purely client-side javascript toolkit, whereas dajax is an
ajax helper framework for django.

dajax targets jquery as one of the client-side javascript toolkits it
supports for implementing its client-side bits.

So you use dajax with jquery (or dajax+prototype or dajax+mootools or
dajax+dojo).  Of course, dajax's goal is to hide the javascript, so in a
sense you do end up writing less jquery client-side code.

OTOH you don't have to use dajax to do ajax with django if you don't
want to. You might (for argument's sake) feel it does a little "too
much" (thought n.b. you can use "dajaxice" that dajax sits on top on its
own), and roll your own functions on the server side using
django's request.is_ajax() and json serialiser and write your own jquery
(and/or one of the other toolkits) javascript code on the client side.






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model instances, schema and template variables

[Alex]

Hi,

Just want to know if this is the correct understanding of how model
instances are passed to templates.

If I load a model instance object into a template - is it the case
that I also implicitly load in any instance objects it is related
through foreign key fields? It seems that these, and in turn, any
foreign keys those objects have, are also loaded.

eg
return render_to_response("startpage.html", {
'A': instance1,
}, context_instance=RequestContext(request))

so in the template I can do things like:

{{ A.fk_field.name }}
{{ A.fk_field.another_fk_field.name}}

Is this correct - and how should it be controlled - supposing I really
do only want 'instance1' without FK following.

Is it also the case if I want access to an instance's reverse
relationship objects I have to explicitly load those into the template
seperately?
eg
return render_to_response("startpage.html", {
'A': instance1,
'BList': instance1.other_set.all(),
}, context_instance=RequestContext(request))

so in the template I can do

{% for B in BList %}
do something with B
{% endfor %}

Sorry if this is answered elsewhere but just couldn't find it!

Thanks
 Alex

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Dajax or Jquery

[Imad Elharoussi]

Hi,

I want to know what's the best plugin of Ajax to use with django Dajax or
Jquery (for someone who just began in developping with such technologies)

Thanks

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Access Foreignkey ID without doing query? (Merging Foreignkey/M2M) (manual select_related)

[Jari Pennanen]

Hi!

Is it possible to access the foreignkey ID value of model? I do not
want Django ORM to try to make query because it fails in this case. I
have exact same problem as 
http://groups.google.com/group/django-users/browse_thread/thread/d24f2a502da3171c?pli=1
(though I'm not using admin, I have list view of my own)

I will use the same example:

Host
name = CharField
Account
name = CharField
host = ForeignKey(Host, related_name='accounts')

I have list of "Host" where I need to also list on each item a list of
accounts. Now if I could access the raw "Account.host" foreignkey ID I
could do this in two queries:

hosts = list(Host.objects.all())
accounts = list(Account.objects.filter(host__in=hosts))

for h in hosts:
  h.account_list = [a for a in accounts if a.host_id == h.id] #
NOTICE: THIS is not possible! I cannot access the foreignkey host_id :
(

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Re: how do I add a custom button (url) to the admin add/change page

[Sævar Öfjörð]

You might want to take a look at overriding admin templates:
http://docs.djangoproject.com/en/dev/ref/contrib/admin/#overriding-admin-templates

- Sævar

On Jul 12, 8:38 am, gondor  wrote:
> I'm trying to add a simple button to a specific add/change page.  This
> button takes the user to another url.  I'm trying to have a https url
> form popup in a separate window.
>
> I have looked in the documentation and all over google but have not
> success.  Does anyone know how to do this?

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Re: How to access help_text attribute of model field

[Daniel Roseman]

On Jul 11, 11:47 pm, "Sells, Fred" 
wrote:

> I don't intend to use these names as column names but as content of a column, 
> used for debugging as much as anything else. I'm new to Django, so I had not 
> thought of verbose name.  I really had not anticipated using the help_text at 
> all when I defined my models, but a situation came up where I needed to do a
>
> Name --- value  description type of table.
>
> is there an advantage of verbosename over helptext in my scenario?

It depends. If you're using the admin, or any auto-generated forms,
the verbose_name will be used in place of the field name for the field
labels on the form - I presume that will be more helpful for your
users than the code names you have. The help_text is displayed in
small grey text underneath the field.

However, if you're not using the admin at all in your project, then
there's no difference for you.
--
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Re: binding data to form

[Daniel Roseman]

On Jul 12, 8:27 am, djnubbio  wrote:


> def anag_form(request, anag_id=None):
>     if anag_id is None:
>         x=Anagrafica.objects.create()
>     else:
>         x=Anagrafica.objects.get(pk=anag_id)
>
>     form = AnagraficaForm(request.POST or None, instance=x) # A form
> bound to the POST data
>     if form.is_valid(): # All validation rules pass
>         form.save()
>         return HttpResponseRedirect('/ListaAnagrafica/') # Redirect
> after POST
>
>     return render_to_response('condomini/anag_edit.html', {'form':
> form,})

> this works fine...almost
>
> when i try to insert  new data with the empty form, data are correctly
> added to my database, but an empty record also is added to my table.
>
> Any help will be greatly appreciated.
> thank

The call to `create` actually creates and save a new instance, then
you create it again on form.save.

Instead of doing create, just instantiate a blank object without
saving:

if anag_id is None:
x=Anagrafica()

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binding data to form

[djnubbio]

Hi all and tank very much for your preciouse time

I have the following scenario:

#models.py

class Anagrafica(models.Model):
GENERE_CHOICES = (
(u'M', u'Maschio'),
(u'F', u'Femmina'),
)
cognome = models.CharField(max_length=20)
nome = models.CharField(max_length=20)
indirizzo=models.CharField(max_length=30)

def __unicode__(self):
return self.cognome+" "+self.nome

#urls.py

(r'^anag_edit/(?P\d+)/$',
'condor.condomini.forms.anag_form'),
(r'^anag_edit/$', 'condor.condomini.forms.anag_form'),

#forms.py

from django import forms
from condor.condomini.models import *
from django.shortcuts import render_to_response, get_object_or_404,
redirect
from django.template import RequestContext
from django.http import HttpResponseRedirect


class AnagraficaForm(ModelForm):
class Meta:
model = Anagrafica

def anag_form(request, anag_id=None):
if anag_id is None:
x=Anagrafica.objects.create()
else:
x=Anagrafica.objects.get(pk=anag_id)

form = AnagraficaForm(request.POST or None, instance=x) # A form
bound to the POST data
if form.is_valid(): # All validation rules pass
form.save()
return HttpResponseRedirect('/ListaAnagrafica/') # Redirect
after POST

return render_to_response('condomini/anag_edit.html', {'form':
form,})


#anag_edit.html
{% extends "base_menu.html" %}



{% block title %}Editing Anagrafica{% endblock %}



{% block content %}



{% csrf_token %}

{{ form.as_p }}







{% endblock %}


this works fine...almost

when i try to insert  new data with the empty form, data are correctly
added to my database, but an empty record also is added to my table.

Any help will be greatly appreciated.
thank


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Re: cannot add many projects to users in ADMIN

[Kenneth Gonsalves]

On Monday 12 July 2010 11:19:42 pROCKrammer wrote:
> I have two models: http://pastebin.com/pcf2ngdy
> 
> But in admin page i cant add more than one project to the user ...
> could you help me ... please
> 

use ManyToMany instead of ForeignKey if you want a user to have more than one 
project.

Also it is not a good idea to have a model called 'User' as the admin module 
also has a model User.
-- 
Regards
Kenneth Gonsalves
Senior Associate
NRC-FOSS at AU-KBC

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how do I add a custom button (url) to the admin add/change page

[gondor]

I'm trying to add a simple button to a specific add/change page.  This
button takes the user to another url.  I'm trying to have a https url
form popup in a separate window.

I have looked in the documentation and all over google but have not
success.  Does anyone know how to do this?

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cannot add many projects to users in ADMIN

[pROCKrammer]

I have two models: http://pastebin.com/pcf2ngdy

But in admin page i cant add more than one project to the user ...
could you help me ... please

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