On Thu, Jun 4, 2009 at 9:38 AM, justind <justin.don...@gmail.com> wrote:
> > Thanks Alex. That works great. > > Just wondering: It seems like this causes the form to be bound, which > causes it to render all its errors. > I can set .is_bound to False manually to get around this, is this what > I should be doing? > > On Jun 3, 5:15 pm, Alex Gaynor <alex.gay...@gmail.com> wrote: > > On Wed, Jun 3, 2009 at 5:12 PM, justind <justin.don...@gmail.com> wrote: > > > > > Hello, > > > > > I'm using the following to provide a select box with filtered choices: > > > > > class AssetForm(ModelForm): > > > """Asset form takes a project id. It only allows workstreams > > > attached to > > > this project name.""" > > > workstreams = forms.ModelChoiceField(Workstream, None) > > > def __init__(self, *args, **kwargs): > > > super(AssetForm, self).__init__(*args, **kwargs) > > > if self.instance: > > > self.fields['workstreams'].queryset = > > > Workstream.objects.filter(project__id=args[0]) > > > self.fields['workstreams'].widget.choices = > > > self.base_fields['workstreams'].choices > > > > > I instantiate it > > > > > f = AssetForm(1) # 1 is the number of a project, which I filter with. > > > > > It seems to work, and I can poke around at the fields and choices. > > > > > but when I try to render it: > > > > > f.as_p() > > > > > I get: > > > > > Traceback (most recent call last): > > > File "<console>", line 1, in <module> > > > File "django\django\forms\forms.py", line 191, in as_p > > > return self._html_output(u'<p>%(label)s %(field)s%(help_text)s</ > > > p>', u'%s', > > > '</p>', u' %s', True) > > > File "django\django\forms\forms.py", line 139, in _html_output > > > top_errors = self.non_field_errors() # Errors that should be > > > displayed above > > > all fields. > > > File "django\django\forms\forms.py", line 199, in non_field_errors > > > return self.errors.get(NON_FIELD_ERRORS, self.error_class()) > > > File "django\djang > > > o\forms\forms.py", line 111, in _get_errors > > > self.full_clean() > > > File "django\django\forms\forms.py", line 218, in full_clean > > > value = field.widget.value_from_datadict(self.data, self.files, > > > self.add_pre > > > fix(name)) > > > File "django\django\forms\widgets.py", line 170, in > > > value_from_datadict > > > return data.get(name, None) > > > AttributeError: 'int' object has no attribute 'get' > > > > > Any ideas? > > > > > Thanks, > > > Justin > > > > You need to remove the 1 from args before instantiating the Form, so > > something like: > > > > def __init__(self, *args, **kwargs): > > id = args[0] > > args = args[1:] > > etc... > > > > Otherwise django thinks 1 is the first argument which is supposed to be > the > > data dictionary.. > > > > Alex > > -- > > "I disapprove of what you say, but I will defend to the death your right > to > > say it." --Voltaire > > "The people's good is the highest law."--Cicero > > > No, you should be doing more or less exactly what I specified in my earlier post to ensure tha tyou don't actaully pass the integer to the parent constructor. Alex -- "I disapprove of what you say, but I will defend to the death your right to say it." --Voltaire "The people's good is the highest law."--Cicero --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
