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python Programming Glossary: querysetdjango - convert a list back to a queryset http://stackoverflow.com/questions/1058135/django-convert-a-list-back-to-a-queryset convert a list back to a queryset I have a handful of records that I would like to sort based.. self ... Unfortunately the generic view is expecting a queryset object and throws an error if I give it a list. Is there a way.. I give it a list. Is there a way to do this that returns a queryset or... Can I convert a list to a queryset somehow Couldn't find..
How can I login to django using tastypie http://stackoverflow.com/questions/11770501/how-can-i-login-to-django-using-tastypie ModelResource class Meta resource_name 'login' queryset User.objects.all excludes 'id' 'email' 'password' 'is_staff'.. trailing_slash class UserResource ModelResource class Meta queryset User.objects.all fields 'first_name' 'last_name' 'email' allowed_methods..
Django Admin: Ordering of ForeignKey and ManyToManyField relations referencing User http://stackoverflow.com/questions/1474135/django-admin-ordering-of-foreignkey-and-manytomanyfield-relations-referencing-u model in the admin and override the manager field to use a queryset with the correct ordering from django import forms class TeamForm.. TeamForm forms.ModelForm manager forms.ModelChoiceField queryset User.objects.order_by 'username' class Meta model Team class..
Django: Get an object form the DB, or 'None' if nothing matches http://stackoverflow.com/questions/1512059/django-get-an-object-form-the-db-or-none-if-nothing-matches method. It returns the first object matched by the queryset or None if there is no matching object. Usage p Article.objects.order_by..
How do I filter ForeignKey choices in a Django ModelForm? http://stackoverflow.com/questions/291945/how-do-i-filter-foreignkey-choices-in-a-django-modelform ModelChoiceField . So provide a QuerySet to the field's queryset attribute. Depends on how your form is built. If you build an.. explicit form you'll have fields named directly. form.rate.queryset Rate.objects.filter company_id the_company.id If you take the.. If you take the default ModelForm object form.fields rate .queryset ... This is done explicitly in the view. No hacking around...
Change Django ModelChoiceField to show users' full names rather than usernames http://stackoverflow.com/questions/3167824/change-django-modelchoicefield-to-show-users-full-names-rather-than-usernames to select a user from a dropdown. forms.ModelChoiceField queryset User.objects.filter is_staff False required False The problem.. your form simply use that field UserModelChoiceField queryset User.objects.filter is_staff False required False More info..
Django equivalent for count and group by http://stackoverflow.com/questions/327807/django-equivalent-for-count-and-group-by it has to be done in the .extra call not elsewhere in the queryset construction chain . Also you could just as well say count id..
Getting the SQL from a Django QuerySet http://stackoverflow.com/questions/3748295/getting-the-sql-from-a-django-queryset database. Thanks for your help. python sql django django queryset share improve this question You print the queryset's query.. queryset share improve this question You print the queryset's query attribute. queryset MyModel.objects.all print queryset.query.. this question You print the queryset's query attribute. queryset MyModel.objects.all print queryset.query SELECT myapp_mymodel..
Django: ModelMultipleChoiceField doesn't select initial choices http://stackoverflow.com/questions/488036/django-modelmultiplechoicefield-doesnt-select-initial-choices ModelForm from_company forms.ModelMultipleChoiceField queryset Contact.objects.none widget forms.CheckboxSelectMultiple class.. I could have from_company forms.ModelMultipleChoiceField queryset Contact.objects.filter company__exact some_id # where some_id.. self .__init__ args kwargs self.fields 'from_company' .queryset Contact.object.filter ... If you plan to pass your filter params..
Django Passing Custom Form Parameters to Formset http://stackoverflow.com/questions/622982/django-passing-custom-form-parameters-to-formset class ServiceForm forms.Form option forms.ModelChoiceField queryset ServiceOption.objects.none rate forms.DecimalField widget custom_widgets.SmallField.. ServiceForm self .__init__ args kwargs self.fields option .queryset ServiceOption.objects.filter affiliate affiliate I call this..
Get the index of an element in a queryset http://stackoverflow.com/questions/1042596/get-the-index-of-an-element-in-a-queryset the index of an element in a queryset I have a QuerySet let's call it qs which is ordered by some attribute which is.. indexing django queryset share improve this question QuerySets in Django are actually generators not lists for further details.. not lists for further details see Django documentation on QuerySets . As such there is no shortcut to get the index of an element..
do properties work on django model fields? http://stackoverflow.com/questions/1454727/do-properties-work-on-django-model-fields for your property because properties cannot be used in QuerySet so you'll need to use the actual field names when you do a filter..
Django - specify which model manager Django admin should use http://stackoverflow.com/questions/1545067/django-specify-which-model-manager-django-admin-should-use a custom Manager for a Django model which returns a QuerySet holding a subset of objects.all . I need this to be the model's..
Django 1.2 Equivalent of QuerySet.query.as_sql() http://stackoverflow.com/questions/2900057/django-1-2-equivalent-of-queryset-query-as-sql 1.2 Equivalent of QuerySet.query.as_sql In Django 1.1 I was able to produce the SQL used.. In Django 1.1 I was able to produce the SQL used by a QuerySet with this notation QuerySet.query.as_sql In Django 1.2 this.. to produce the SQL used by a QuerySet with this notation QuerySet.query.as_sql In Django 1.2 this raises as AttributeError . Anyone..
How do I filter ForeignKey choices in a Django ModelForm? http://stackoverflow.com/questions/291945/how-do-i-filter-foreignkey-choices-in-a-django-modelform which is a ChoiceField whose choices are a model QuerySet. See the reference for ModelChoiceField . So provide a QuerySet.. See the reference for ModelChoiceField . So provide a QuerySet to the field's queryset attribute. Depends on how your form..
In Django, how does one filter a QuerySet with dynamic field lookups? http://stackoverflow.com/questions/310732/in-django-how-does-one-filter-a-queryset-with-dynamic-field-lookups Django how does one filter a QuerySet with dynamic field lookups Given a class from django.db import.. max_length 20 Is it possible and if so how to have a QuerySet that filters based on dynamic arguments For example # Instead..
Django QuerySet Custom Ordering by ID http://stackoverflow.com/questions/3625641/django-queryset-custom-ordering-by-id QuerySet Custom Ordering by ID Given a list of ids pks I'd like to generate.. by ID Given a list of ids pks I'd like to generate a QuerySet of objects ordered by the index in the list. Normally I'd begin.. order of the pks in pk_list. The end result has to be one QuerySet object not a list as I wish to pass the ordered QuerySet to..
Getting the SQL from a Django QuerySet http://stackoverflow.com/questions/3748295/getting-the-sql-from-a-django-queryset the SQL from a Django QuerySet How do I get the SQL that Django will use on the database from.. I get the SQL that Django will use on the database from a QuerySet object I'm trying to debug some strange behavior but I'm not..
Flattening a shallow list in Python http://stackoverflow.com/questions/406121/flattening-a-shallow-list-in-python Note I need that list x call there because x is a Django QuerySet object. But the reduce method is fairly unreadable. So my question.. that's iterable which should include Django's iterable QuerySet s which it appears that you're using in the question. Edit This..
Order a QuerySet by aggregate field value http://stackoverflow.com/questions/476017/order-a-queryset-by-aggregate-field-value a QuerySet by aggregate field value Let's say I have the following model..
Using only the DB part of Django http://stackoverflow.com/questions/579511/using-only-the-db-part-of-django is done as part of a view it's very simple construct the QuerySet and view the instances. For example tag_query Tag.objects.filter..
How do you serialize a model instance in Django? http://stackoverflow.com/questions/757022/how-do-you-serialize-a-model-instance-in-django is a lot of documentation on how to serialize a Model QuerySet but how do you just serialize to json the fields of a Model..
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