Using <form> to update BooleanField in Django - django

Question

Using Django 1.6 with Python 2.7.
My model has a BooleanField variable, and I want the user to be able to change this via POST by clicking a button to change it from False to True, or vice versa. Having issues rendering the template.
Model currently:
class Pic(models.Model):
Name = models.CharField(max_length=100)
Good = models.BooleanField()
Image = models.FileField(upload_to="images/")
def __unicode__(self):
return self.Name
App urls is:
url(r'^(?P<Pic_id>\d+)/$', views.single_picture, name='single_picture'),
In the template I have:
<form action="{% url 'single_picture' Pic.Good %}" method="post">
{% csrf_token %}
{% if Pic.Good %}
<input type="checkbox" name="choice" id="{{ Pic.Good }}" value="False" />
<label for="{{ Pic.Good }}">False</label><br />
{% else %}
<input type="checkbox" name="choice" id="{{ Pic.Good }}" value="True" />
<label for="{{ Pic.Good }}">True</label><br />
{% endif %}
<input type="submit" value="good" />
</form>
And for my view I have:
def single_picture(request, Pic_id):
if request.method == 'GET':
pic = get_object_or_404(Pic, pk=Pic_id)
latest_pictures_list = Pic.objects.all()
return render(request, 'pictures/single_picture.html', {'Pic': pic, 'latest_pictures_list': latest_pictures_list})
elif request.method == 'POST':
pic = get_object_or_404(Pic, pk=Pic_id)
latest_pictures_list = Pic.objects.all()
try:
selected_choice = p.choice_set.get(pk=request.POST['choice'])
except (KeyError, Pic.DoesNotExist):
return render(request, 'pictures/single_picture.html', {'Pic': pic, 'error_message': 'uhhhh...',
})
else:
selected_choice.save()
return HttpResponseRedirect(reverse('pictures/single_picture.html', {'Pic': pic}))
I'm not sure if there are multiple errors at this point or not. Currently when trying to view the template, I get
Reverse for 'single_picture' with arguments '(True,)' and keyword arguments '{}' not found. 0 pattern(s) tried: []
for the '< form >' line. I'm guessing it's to do with my View?

Answer 1

I think the issue is in your template, in the line
<form action="{% url 'single_picture' Pic.Good %}" method="post">
Your regex in urls.py is r'^(?P<Pic_id>\d+)/$', I'm guessing that it's expecting the id of the Picobject you return in the GET request and not a boolean, in which case the line should be
<form action="{% url 'single_picture' Pic.id %}" method="post">
Likewise, in the lines underneath, there isid="{{ Pic.Good }}" which will display as HTML as id=True or id=False, which I suppose you don't want. You need to replace that bit by id="{{Pic.id}}"