I'd like to refactor a number of django apps in a way which involves moving Models from one app into another where they can be more readily reused. A number of these models have either ForeignKey relationships or M2M relationships to other models (such as User). For example: class Department(models.Model): name = models.CharField...
I'm using django-tagging, and am trying to retrieve a list of tags for a specific queryset. Here's what I've got: tag = Tag.objects.get(name='tag_name') queryset = TaggedItem.objects.get_by_model(Article, tag) tags = Tag.objects.usage_for_queryset(queryset, counts=True) "queryset" appropriately returns a number of articles th...
How do I design a Django/Javascript application to provide for conditional Ajax responses to conventional HTTP requests? On the server, I have a custom-built Form object. When the browser POSTS the form's data, the server checks the submitted data against existing data and rules (eg, if the form adds some entity to a database, does tha...
I would like to access the Foo instance foo within my manager method baz: foo.bar_set.baz() baz would normally take an argument of Foo type: BarManager(models.Manager): def baz(self, foo=None): if foo is None: # assume this call originates from # a RelatedManager and set `foo`. # Otherw...
For the following code: class Author(models.Model): name = models.CharField(max_length=100) class Book(models.Model): author = models.ForeignKey(Author) title = models.CharField(max_length=100) class BookInline(admin.TabularInline): model = Book extra = 1 class AuthorAdmin(admin.ModelAdmin): inlines = [ ...
i have a navigation element that is determined by values in a database. no matter what view it is, i need to get these navigation objects out of the database. where in the code can i tell it to set a template variable containing all the navigation objeccts without setting it in every view? ...
i have a model ready with the various form fields. how do i make those form fields get saved into the database? i tried reading the form documentation but it is so confusing. i know if i get it working, i will understand. can anyone help define a views.py function? ...
Is there any Django function which will let me get an object form the database, or None if nothing matches? Right now I'm using something like: foo = Foo.objects.filter(bar=baz) foo = len(foo) > 0 and foo.get() or None But that's not very clear, and it's messy to have everywhere. ...
As you can see, create() works, but get_or_create() doesn't. Am I missing something obvious here? In [7]: f = FeedItem.objects.create(source=u, dest=q, type="greata") In [8]: f, created = FeedItem.objects.get_or_create(source=u, dest=q, type="greata") --------------------------------------------------------------------------- FieldErro...
Hey, I need a simple example for the following task: Send a query to YQL and receive a response I am accessing public data from python backend of my Django app. If I just copy/paste an example from YQL, it says "Please provide valid credentials". I guess, I need OAuth authorization to do it. So I got an API key and a shared secret. N...
I am developing a wiki using django which i plan to deploy later in google appengine. Is it possible to deploy textdiff like system in appengine? ...
Or, to be precise, how do I properly present a form to edit a db.ListProperty of db.Keys on a model admin page, with app-engine-patch for Django? I have a Category like this: class Category(db.Model): title = db.CategoryProperty(required=True) and a Post with this: categories = db.ListProperty(db.Key) Currently in the Django a...
Hello, I have a Form with a DateField. The formatted date look like this: 2009-10-03 How can i Format that? I want it look like this: 03.10.2009 I found a widget which renders it like this, but validation doesnt allow the values i enter then... Bye falstaff ...
What would be the App Engine equivalent of this Django statement? return Post.objects.get(created_at__year=bits[0], created_at__month=bits[1], created_at__day=bits[2], slug__iexact=bits[3]) I've ended up writing this: Post.gql('WHERE created_at > DATE(:1, :2, :3) AND created_at < DATE(:1, :2, :4) and slug = :5'...
Dear all, I'm working on a Django application allowing one to comment either a Text, its Paragraphs or the comments themselves. I'm using the Comment app bundled with Django, and A Text class instance is made up of Inline Paragraph class instances. I'm desperately looking for a way get back a QuerySet/List of all the Comments related d...
Django is a great framework, but after seeing a couple of learning videos I realized those people have great knowledge of the Django framework and libraries, which enable them to use any class very easily. I just wonder how can one remember all those classes and function in an environment where IDEs are not powerful enough. What shou...
I have somehow two variables for example x and y. I have also made a model with 3 fields (longitude,latitude,name) and have it activated in mysql database. I need to send these two variables(x,y) to the django server so as to search if there is an object with longitude=x and latitude=y.If there is one i want to get back it's name. How c...
Hi all, I don't know how to make a GqlQuery that order by a property of the ReferenceProperty. In this case, I want to get all the Seat but order by the id of the Room The GqlQuery reference does not allow a join, so how do you approach in this case? class Room(db.Model): id = db.IntegerProperty() dimension = db.StringPropert...
cherrypy vs django, which would you use and why ...
I'm looking for something I can use within django to display preformatted code. Ideally this would include out-of-the-box syntax highlighting for various programming languages, although just starting with something that displayed html and xml well would be a good starting point. Does something like this exist? Basically I am looking...