django

Append Django template tag in jquery

<script> $("#tableview").css({'display' : block}); $("#tableview").append('{{html}}'); or $("#tableview").html('{{html}}'); </script> <div id="tableview" style="display:none;"></div> the {{html}} i.e, generated on the server gets displayed which is,<div id=""newdiv">contetssdddddddd</div>.This is displayed on the UI ...

Django dynamic form ValidationErorr

I'm trying to modify the admin ModelMultipleChoiceField so it does load data dynamically. Because I want to load data dynamically the queryset for ModelMultipleChoiceField is empty when creating an instance of the form, for that reason when doing form validation django complains that the choices aren't valid because they can't be foun...

Django Generic View - Access to request

Hi, I am using django generic views, how do I get access to the request in my template. URLs: file_objects = { 'queryset' : File.objects.filter(is_good=True), } urlpatterns = patterns('', (r'^files/', 'django.views.generic.list_detail.object_list', dict(file_objects, template_name='files.html')), ) ...

Django pre_save signal: check if instance is created not updated, does kwargs['created'] (still) exist?

I am using Django's pre_save signal to implement auto_now_add. There is a lot of discussion on the internet on why you should or shouldn't implement it yourself. I do not appreciate comments on this. Neither on whether I should be rewriting the save function (I have a lot of models that use auto_now_add so using signals makes sense). My...

Conditional annotations in Django

I got simple requirement (not simple implementation), and figuring out how to achieve it without making multiple hits to db, and without .extra() in queryset. Task: name = xxx status = models.IntegerField(choices=some_choices) project = ForeignKey(Project) Project: name = xxx code = xxx Projects contain Tasks which got vari...

How to bulk create model objects in django

Hi all, I have a lot of objects to save in database, and so I want to create Model instances with that. With django, I can create all the models instances, with MyModel(data), and then I want to save them all. Currently, I have something like that: for item in items: object = MyModel(name=item.name) object.save() I'm wonde...

Django Order_by blank

Hi, I have a simple model title = models.CharField(max_length=250) url = models.CharField(max_length=250) title_french = models.CharField(max_length=250) I want to order it via title_french, however when it orders in A-Z in this way, all the blank values are at the top. In the case ot blank values I display the English title. So I g...

how to use django models in XML?

Hi again, I have a simile timeline built and I want to use the data from some django models. I would like to known if is best to use XML or JSON. I don't known anything about any of the two, so if I have to learn, it's best to known which will do what I want. I will need to make some loops to iterate over the data and use variables. ...

how to insert a small image on the corner of a plot with matplotlib?

Hi, What i want is really simple. I have a small image file called "logo.png" that i want to display on the upper left corner of my plots. But you cant find any example of that in the examples gallery of matplotlib Im using django, and my code is something like this def get_bars(request) ... fig = Figure(facecolor='#F0F0F0',fig...

Django: Advice on designing a model with varying fields.

I'm looking for some advice/opinions on the best way to approach creating a sort-of-dynamic model in django. The structure needs to describe data for Products. There are about 60 different possible data points that could be relevant, with each Product choosing about 20 of those points (with much overlapping) depending on its ProductTyp...

unique_together foreign key object properties

I've got two models: Common and ARecord. ARecord has a ForeignKey relationship to Common. I want to ensure that ARecord is unique with a combination of items from ARecord and Common. class Common(models.Model): NAIC_number = models.CharField(max_length=5) file_location_state = models.CharField(max_length=2) file_location_...

Have I organised my django app correctly?

I'm in a situation where I need to merge two Django apps into a single, re-usable app. Neither are particularly large, but they are certainly not trivial apps and to preserve readability / sanity I'm trying to keep the two apps separated to some extent. I could set up each app as a sub-package (which would be a pythonic way to achieve ...

Output Django Object into XML-RPC response

I'm trying to return a django object in a XML-RPC response. Is it possible to serialize a model as XML-RPC methodResponse? ...

Django multiple form factory

What is the best way to deal with multiple forms? I want to combine several forms into one. For example, I want to combine ImangeFormSet and EntryForm into one form: class ImageForm(forms.Form): image = forms.ImageField() ImageFormSet = formset_factory(ImageForm) class EntryForm(forms.Form): title = forms.CharField(max_length=1...

Django: how to aggregate / annotate over a many-to-many relationship?

I have a Person model and a Tag model, with a m2m between them. I need to extract the tag which is connected to the most records within a given Person queryset, together with the count. Is there an elegant, efficient way to extract this using the Django ORM? Better yet, is there a way to get the entire tag distribution through some a...

django middleware redirect infinite loop

I have a middleware that checks a session value and redirects depending that value. My problem is, it is creating an infinite redirect loop and I'm not sure why. So, what I want to do is check to see if the value of the session visible is yes and if not redirect the user to my test view. Here is my middleware: class CheckStatus(ob...

How do you make a choices field in django with an editable "other" option?

( ('one', 'One'), ('two', 'Two'), ('other', EDITABLE_HUMAN_READABLE_CHOICE), ) So what I would like is a choices field with some common choices that are used frequently, but still be able to have the option of filling in a custom human readable value. Is this possible or is there some better way of doing this that I am co...

Django failing to route url (simple question)

I'm doing something stupid, and I'm not sure what it is. I have a the following urls.py in the root of my django project: from django.conf.urls.defaults import * from django.conf import settings urlpatterns = patterns('', (r'^$', include('preview_signup.urls')), ) In my preview_signup module (django app) I have the following url...

django thumbnails

i tried creating thumbnails of non rectangular images(ie circles) using django thumbs. It seems the opacity around the circle is not preserved. Any ideas on what thumbnail tool can preserve that transparency on non-rectangular shapes? Thanks! ...

Django Admin + Filter Horizontal?

I've added filter horizontal filter_horizontal = ('blocked_email_notifications',) To my ModelAdmin, but it's still rendering it as a multiple select widget, rather than the nifty javascript enhanced version. How come? Do I need to add something else? The user model has it defined as blocked_email_notifications = ManyToManyField('Ema...