django

How do I install an old version of Django on virtualenv?

This may sound like a stupid question, since the very purpose of virtualenv is to this exactly: Installing some specific version of a package (in this case Django) inside the virtual environment. But it's exactly what I want to do, and I can't figure it out. I'm on Windows XP, and I created the virtual environment successfully, and I'm ...

When should you use django-admin.py verus manage.py?

Background: When I run the django-admin.py loaddata example.json I get this error. "ImportError: Settings cannot be imported, because environment variable DJANGO_SETTINGS_MODULE is undefined." I understand the problem. It needs the DJANGO_SETTINGS_MODULE to be able to access the database to do this import. I've had this problem before a...

Management form error while using modelformsets ('ManagementForm data is missing or has been tampered with')

I have a models.py class as below class Educational_Qualification(models.Model): user = models.ForeignKey(User) exam = models.CharField(max_length=40) pass_month = models.CharField(max_length=40) I have a views.py as below def create_qualification(request): QFormSet = modelformset_factory(Educational_Qualification, extra=3,...

Django calling a function that returns a value doesn't work

Hello I;m having a problem in calling a function that returns a result, from another function To make it clear, my functiona are: def calculate_questions_vote(request): useranswer = Answer.objects.filter (answer_by = request.user) positive_votes = VoteUpAnswer.objects.filter(answer = useranswer) negative_votes = VoteDownAns...

Python UTF8 string confusion

Been banging my head on this for a while and I've read a bunch of articles and the issue isn't any clearer. I have a bunch of strings stored in my database, imagine the following: x = '\xd0\xa4' y = '\x92' At the Python shell I get the following: print x Ф print y ? Which is exactly what I want to see. However then there is the fol...

Django iterating problem - calculating a sum

i;m trying to iterate through some values, and calculate a rank. i have a calculate_rank function where i calculate a sum of values. The problem is at the second function. I want that a user's rank to be the sum of all the user that in a follow relation with him. I am doing an iteration in the second function here where i try to add the...

Django. Update data in db. Easy question.

Ok! I have this model: class my(models.Model): name = models.TextField() description = models.TextField() created = models.DateTimeField() def __unicode__(self): return self.name I'm gettin data to this model from mssql database and saving it. Something like this. mysql_name='somedata' #this data come...

how to pass common dictionary data to every pages in django

I have a common data {the logged-in user's message number) to display on every page. I can simply pass to template as dict={'messagenumber':5} return render_to_response('template.html',dict,context_instance=RequestContext(request)) But it looks tedious if i have this dict data pass to very page. Is there an easier way to pass common d...

Since Django 1.2.1 'prepopulated_fields' won't prepopulate in the admin.

Since Django 1.2.1 'prepopulated_fields' won't prepopulate in the admin. prepopulated_fields = {'slug': ('title',)} doesn't seem to work since uploading to a Django 1.2.1 server after developing on a 1.1.1. What changed? I read http://code.djangoproject.com/wiki/NewformsAdminBranch#Changedprepopulate_fromtobedefinedintheAdminclassnot...

Django: When extending User, better to use OneToOneField(User) or ForeignKey(User, unique=True)?

I'm finding conflicting information on whether to use OneToOneField(User) or ForeignKey(User, unique=True) when creating a UserProfile model by extending the Django User model. Is it better to use this?: class UserProfile(models.Model): user = models.ForeignKey(User, unique=True) or this?: class UserProfile(models.Model): us...

How to debug a Jquery Dialog

I have a fairly basic dialog maker for jquery that works in 2 out of 3 places. In the 3rd instance where I try to use it, the fields in the form are disabled once the dialog is displayed. The general concept behind the code is that the form is on a different page of the website, and for convenience, when javascript is enabled, you can ...

Difference between Django's filter() and get() methods

What is the difference between mymodel=model.objects.get(name='pol') and mymodel=model.objects.filter(name='pol') ...

How to automatically login a user after registration in django

This is what I am currently using for registration: def register(request): if request.method == 'POST': form = UserCreationForm(request.POST) if form.is_valid(): new_user = form.save() messages.info(request, "Thanks for registering. Please login to continue.") return HttpResponseRe...

Initialize a django.forms.ModelChoiceField, binded with foreign key, with default value

I have a model that contains a foreign key value, then in the form generated from this model as a ModelChoiceField. I want to auto select the user's (update_author). I've tried the below code, using the initial property. The view creates a formset with the the dates initialized to now() for the empty form. But, I want also the update_au...

Django first project

I have downloaded django and have followed the instructions to deploy my first website: In the docs, it says: "Now that the server's running, visit http://127.0.0.1:8000/ with your Web browser. You'll see a "Welcome to Django" page, in pleasant, light-blue pastel. It worked!" The problem is that I am not running the website locally, i...

Custom function decorator for views that modified the request path

Could someone show me how i could write a login decorator like @redirect_to_home for my views so that it modifies the request.PATH variable to a new a value like / whenever it is applied to a view. I've seen people do quite complex stuff with decorators: I'm yet to figure them out thoroughly. Thanks ...

Django FileField: how to set default value (auto-create empty file)?

I've got a model like this: class MyModel(models.Model): name = models.CharField(max_length=255) code = models.FileField() When a new MyModel is submitted, I want to allow for the code field to be left empty, in which case I need Django to create an empty file (with arbitrary name). Question is: what is the right way to do it...

(Django) The best solution for event calendar

I need to add event calendar functionality to my application, and I'm wondering what do you think is the best way to do it ? Are there any interesting projects providing the needed functionality ? A snippet : http://djangosnippets.org/snippets/129/ ? Write it on my own ? ...

Pass request to model form using generic view in Django

I using Django and a generic view "django.views.generic.create_update.create_object" I have a model form wich i pass to the generic view: url(r'^add$', create_object, {'template_name':'tpl.html','form_class':MyModelForm,'post_save_redirect':'/'},name = 'add'), I need to get current user in my ModelForm.save method.. But i can't find w...

Including foreign key count in django mptt full tree listing?

I'm spitting out my categories tree like so: <div id="categories-tree"> {% load mptt_tags %} {% full_tree_for_model bugs.Category as cats cumalative count bugs.Bug.categories %} {% for node, structure in cats|tree_info %} {% if structure.new_level %}<ul><li>{% else %}</li><li>{% endif %} <a href="/categories/{{node.slug}}">{{ node }...