Ahmed Hosny was correct in his answer. It required the many parameter to be set to True to work. So final version of the CartSerializer looked like this: class CartSerializer(serializers.ModelSerializer): cartitem_set = CartItemSerializer(read_only=True, many=True) # many=True is required class Meta: model = Cart depth = 1 fields = ( ‘id’, ‘date_created’, ‘voucher’, ‘carrier’, ‘currency’, ‘cartitem_set’, … Read more
Apparently duplicate URLs are allowed in the urlconf, and the first match listed will have priority: urlpatterns = patterns(”, (r’^$’, include(‘glue.urls’)), (r’^foo/’, include(‘foo.urls’)), # This will override the same URL in bar’s urlconf: (r’^bar/stuff/$’, ‘glue.views.new_bar_stuff’, {‘arg’: ‘yarrgh’}, ‘bar_stuff’), (r’^bar/’, include(‘bar.urls’)), )
Just always use timezone.now(). Django now has timezone support which requires timezone ‘aware’ datetime objects. datetime.now() will return a timezone naive object, whereas timezone.now() will return a timezone aware object. Read more about Django timezones
Logging on Heroku from Django can be tricky at first, but it’s actually not that horrible to get set up. This following logging definition (goes into your settings file) defined two formatters. The verbose one matches the logging format Heroku itself uses. It also defines two handlers, a null handler (shouldn’t need to be used) … Read more
I wrote a custom validator using jsonschema in order to do this. project/validators.py import django from django.core.validators import BaseValidator import jsonschema class JSONSchemaValidator(BaseValidator): def compare(self, value, schema): try: jsonschema.validate(value, schema) except jsonschema.exceptions.ValidationError: raise django.core.exceptions.ValidationError( ‘%(value)s failed JSON schema check’, params={‘value’: value} ) project/app/models.py from django.db import models from project.validators import JSONSchemaValidator MY_JSON_FIELD_SCHEMA = { ‘schema’: … Read more
Submit is an HTML Form structure… You must use name attribute of form objects as follows… In your template: <form> … <input type=”submit” name=”list” value=”List Objects” /> </form> <form> … <input type=”submit” name=”do-something-else” value=”Do Something Else” /> </form> In your view: if ‘list’ in request.POST: # do some listing… elif ‘do-something-else’ in request.POST: # do … Read more
Do you have a view named viewPlan with which you do something like this in a template: {% url viewPlan %} or something like this in a view: reverse(‘viewPlan’) If you do that and you do not have a line that looks like this: url(r’^whatever/url/$’, ‘dev_env.profiles.views.viewPlan’, name=”viewPlan”), …in your url configuration I would imagine that’s … Read more
You can use “Inlines” to visualize and edit Things of a certain Category in the admin detail for that category: In the admin.py file, create an Inline object for Thing (ThingInline) and modify your CategoryAdmin class to have an inline of type ThingInline like this: … class ThingInline(admin.TabularInline): model = Thing class CategoryAdmin(admin.ModelAdmin): inlines = … Read more
You don’t need post. Pass the filter value and order_by in the url for example: …/update/list/?filter=filter-val&orderby=order-val and get the filter and orderby in the get_queryset like: class MyView(ListView): model = Update template_name = “updates/update.html” paginate_by = 10 def get_queryset(self): filter_val = self.request.GET.get(‘filter’, ‘give-default-value’) order = self.request.GET.get(‘orderby’, ‘give-default-value’) new_context = Update.objects.filter( state=filter_val, ).order_by(order) return new_context def … Read more
Make sure that your form has the enctype set, e.g.: <form method=”post” enctype=”multipart/form-data”> From the docs: Note that request.FILES will only contain data if the request method was POST and the <form> that posted the request has the attribute enctype=”multipart/form-data”. Otherwise, request.FILES will be empty.