Ok No problem but why you want Manager? Please send me answer
Thanks Bhoopesh sisoudiya On Sat, Sep 7, 2019, 1:06 AM Kean <[email protected]> wrote: > Hi Bhoopesh > Thanks for this, please can you put it into the context of my specific > model setup, so I get it right and understand. > This will be easier for me as this approach is causing me some other > errors, when i try to apply it. > > Best wishes, > > Kean > On 6 Sep 2019, at 20:19, Bhoopesh sisoudiya <[email protected]> wrote: > > Hi Kean, > > Write manager like this ,I give you reference > > from django.db import models > # First, define the Manager subclass. > class BhoopeshBookManager(models.Manager): > def get_queryset(self): > return super(BhoopeshBookManager, > self).get_queryset().filter(author='Bhoopesh') > > # Then hook it into the Book model explicitly. class Book(models.Model): > title = models.CharField(max_length=100) > author = models.CharField(max_length=50) > # ... > objects = models.Manager() > # The default manager. > > bhoopesh_objects = BhoopeshBookManager() > # The Bhoopesh-specific manager. > > > Book.bhoopesh_objects.all() # use manager > > > Thanks > Bhoopesh Kumar > > > On Sat, Sep 7, 2019, 12:34 AM Bhoopesh sisoudiya <[email protected]> > wrote: > >> Hi kean, >> Please check Expenses Class is not Manager >> Please make Manager Class. >> >> >> Thanks >> Bhoopesh sisoudiya >> >> On Sat, Sep 7, 2019, 12:20 AM Kean <[email protected]> wrote: >> >>> Hi, >>> >>> New to Django. when navigating to the reqired view, I get the error >>> above. >>> >>> urls.py >>> >>> path('businesslogin/businessadmin/busproject', views.projectdetail, >>> name='projectdetail'), >>> >>> views.py >>> >>> def projectdetail(request): >>> project = Project.objects.all() >>> return render(request, 'busprojectdetail.html', {'project': >>> project, 'expense_list': project.expenses.all()}) >>> >>> models.py >>> >>> # Project model >>> >>> class Project(models.Model): >>> name = models.CharField(max_length=100) >>> budget = IntegerField() >>> >>> def save(self, *args, **kwargs): >>> self.name >>> super(Project, self).save(*args, **kwargs) >>> >>> # Category manager model >>> >>> >>> class Category(models.Model): >>> project = models.ForeignKey( >>> Project, on_delete=models.CASCADE) >>> name = models.CharField(max_length=150) >>> >>> >>> # Expenses manager model >>> >>> class Expense(models.Model): >>> project = models.ForeignKey( >>> Project, on_delete=models.CASCADE, related_name='expenses') >>> title = models.CharField(max_length=100) >>> amount = models.DecimalField(max_digits=8, decimal_places=2) >>> category = models.ForeignKey(Category, on_delete=models.CASCADE) >>> >>> the error is as follows: >>> >>> >>> Exception Type: AttributeError >>> Exception Value: >>> >>> 'QuerySet' object has no attribute 'expenses' >>> >>> Exception Location: >>> /Users/ProductionEnv/Desktop/test/test1/dev/core/views.py >>> in projectdetail, line 238 >>> >>> Please can anyone help? >>> >>> Best >>> >>> K >>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Django users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/django-users/024bc998-b683-41ae-90e2-d33f4527913a%40googlegroups.com >>> <https://groups.google.com/d/msgid/django-users/024bc998-b683-41ae-90e2-d33f4527913a%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/CAAk3c1NmgbP7cQtyX8uOAFX%3DXbyC6f2ug1FURabwxRgD44Mwpg%40mail.gmail.com > <https://groups.google.com/d/msgid/django-users/CAAk3c1NmgbP7cQtyX8uOAFX%3DXbyC6f2ug1FURabwxRgD44Mwpg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/52D49AAA-5E17-4F6C-92DE-E1576F305927%40gmail.com > <https://groups.google.com/d/msgid/django-users/52D49AAA-5E17-4F6C-92DE-E1576F305927%40gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAAk3c1PtFX7oNie8qZKF%3Dm7jFrCEMwTZfn%2BcvWBFSqc9FT0h4A%40mail.gmail.com.
