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• Django Foreign key queries

  - by Hulk

  In the following model: class header(models.Model): title = models.CharField(max_length = 255) created_by = models.CharField(max_length = 255) def __unicode__(self): return self.id() class criteria(models.Model): details = models.CharField(max_length = 255) headerid = models.ForeignKey(header) def…

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• [Django] Automatically Update Field when a Different Field is Changed

  - by Gordon

  I have a model with a bunch of different fields like first_name, last_name, etc. I also have fields first_name_ud, last_name_ud, etc. that correspond to the last updated date for the related fields (i.e. when first_name is modified, then first_name_ud is set to the current date). Is there a way to make this happen automatically…

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• using distinct in django query

  - by Hulk

  There is a column as designation in the defaults table,How to get the distinct designation values from defaults table In the below the distinct applies on the id field, this need to be on designation field def = defaults.objects.filter(name=sc).distinct() And can some one explain what is flat=true condition Thanks..

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• Django javascript escape characters

  - by Hulk

  There is a text area in which the data is entered as, 122 //Enter button pushed Address Name //Enter button pushed 1 And the same is tored in the db.And the data is fetched in views and returned it to template as, <script> {% for i in dict.row_arr %}…

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• How can join two django querysets in one?

  - by diegueus9

  I need order a Queryset by date in desc order, but i need put in the end the objects at the end, I do this: qs1 = Model.objects.exclude(date=None).order_by('-date') qs2 = Model.objects.filter(date=None).order_by('-date') and my list is: l = list(qs1)+list(qs2) There is a more efficiently way for this?

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• Is there an OR filter? - Django

  - by RadiantHex

  Hi folks, is there any way of doing the following Unicorn.objects.or_filter(magical=True).or_filter(unicorn_length=15).or_filter(skin_color='White').or_filter(skin_color='Blue') where or_filter stands for an isolated match I remember using something similar but cannot find the function anymore! Help would be great! Thanks…

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• Get number of results from Django's raw() query function

  - by Galen

  I'm using a raw query and i'm having trouble finding out how to get the number of results it returns. Is there a way? edit .count() doesnt work. it returns: 'RawQuerySet' object has no attribute 'count'

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• Making only a part of model field available in Django

  - by Hellnar

  Hello I have a such model: GENDER_CHOICES = ( ('M', 'Male'), ('F', 'Female') ) class Profile(models.Model): user = models.ForeignKey(User) gender = models.CharField(max_length=1, choices=GENDER_CHOICES) class FrontPage(models.Model): female = models.ForeignKey(User,related_name="female") male =…

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• Reorganizing many to many relationships in Django

  - by Galen

  I have a many to many relationship in my models and i'm trying to reorganize it on one of my pages. My site has videos. On each video's page i'm trying to list the actors that are in that video with links to each time they are in the video(the links will skip to that part of the video) Here's an illustration …

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• Django unique_together error and validation

  - by zubinmehta

  class Votes(models.Model): field1 = models.ForeignKey(Blah1) field2 = models.ForeignKey(Blah2) class Meta: unique_together = (("field1","field2"),) I am using this code as one of my models. Now i wanted to know two things: 1. It doesn't show any error and it saved an entry which…

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• How to create a UserProfile form in Django with first_name, last_name modifications ?

  - by Natim

  If think my question is pretty obvious and almost every developer working with UserProfile should be able to answer it. However, I could not find any help on the django documentation or in the Django Book. When you want to do a UserProfile form in with Django Forms, you'd like to modify the profile fields as…

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• Matching 3 out 5 fields - Django

  - by RadiantHex

  Hi folks, I'm finding this a bit tricky! Maybe someone can help me on this one I have the following model: class Unicorn(models.Model): horn_length = models.IntegerField() skin_color = models.CharField() average_speed = models.IntegerField() magical = models.BooleanField() affinity =…

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• Changing models in django results in broken database?

  - by Rhubarb

  I have added and removed fields in my models.py file and then run manage.py syncdb. Usually I have to quit out of the shell and restart it before syncdb does anything. And then even after that, I am getting errors when trying to access the admin pages, it seems that certain new fields that I've…

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• Problem in adding custom fields to django-registration

  - by Pankaj Singh

  I tried extending RegistrationFormUniqueEmail class CustomRegistrationFormUniqueEmail(RegistrationFormUniqueEmail): first_name = forms.CharField(label=_('First name'), max_length=30,required=True) last_name = forms.CharField(label=_('Last name'), max_length=30, required=True) def…

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• Django, want to upload eather image (ImageField) or file (FileField)

  - by Serg

  I have a form in my html page, that prompts user to upload File or Image to the server. I want to be able to upload ether file or image. Let's say if user choose file, image should be null, and vice verso. Right now I can only upload both of them, without error. But If I choose to upload only…

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• Django aggregation query on related one-to-many objects

  - by parxier

  Here is my simplified model: class Item(models.Model): pass class TrackingPoint(models.Model): item = models.ForeignKey(Item) created = models.DateField() data = models.IntegerField() In many parts of my application I need to retrieve a set of Item's and annotate each item…

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• Django RadioButtons with icons and not label?

  - by Asinox

  Hi guy's , i have an app that have 2 fields: company_name and logo, i'm displaying the companies like radiobutton in my Form from Model, but i want to show the logo company instead of the company label (company name) Any idea ? My forms: class RecargaForm(ModelForm): compania =…

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• Display/Edit fields across tables in a Django Form

  - by jamida

  I have 2 tables/models, which for all practical purposes are the same as the standard Author/Book example, but with the additional restriction that in my application each Author can only write 0 or 1 books. (eg, the ForeignKey field in the Book model is or can be a OneToOneField, and…

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• Accessing django choice field

  - by Hulk

  there is a module as header , from test.models import SEL_VALUES class rubrics_header(models.Model): sel_values = models.IntegerField(choices=SEL_VALUES) So when SEL_VALUES is imported from test.modules.What is the code that has to go in views to get the choices in…

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• Django: testing get query

  - by Brant

  Okay, so I am sick of writing this... res = Something.objects.filter(asdf=something) if res: single = res[0] else: single = None if single: # do some stuff I would much rather be able to do something like this: single = Something.objects.filter(asdf=something) if…

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• Django foreign key error

  - by Hulk

  In models the code is as, class header(models.Model): title = models.CharField(max_length = 255) created_by = models.CharField(max_length = 255) def __unicode__(self): return self.id() class criteria(models.Model): details = …

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• Django unable to update model

  - by user292652

  i have the following function to override the default save function in a model match def save(self, *args, **kwargs): if self.Match_Status == "F": Team.objects.filter(pk=self.Team_one.id).update(Played=F('Played')+1) …

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• django forms in diferent contexts

  - by z3a

  I'm in a middle of a problem, I have a url like /account/login that displays a login form. I need to include this form in another template that have a different url. I tried to use {%include%} but this don't work, the form is not shown.…

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• Modify on-the-fly verbose_name in a model field on django admin

  - by PerroVerd

  Hi I have this sample model working with the admin class Author(models.Model): name = models.CharField(_('Text in here'), max_length=100) with verbose_name set as ugettext_lazy 'Text in here', but sometimes, depending on the…

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• django models objects filter

  - by ha22109

  Hello All, I have a model 'Test' ,in which i have 2 foreignkey models.py class Test(models.Model): id =models.Autofield(primary_key=True) name=models.ForeignKey(model2) login=models.ForeignKey(model1) …

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