How to pass a value to a Pluggable View? - python-2.7

Question

I am trying to implement a template for adding VIEW, ADD and EDIT webpages with pluggable views. How do I use a url value like ?
This is the code I am trying to translate into pluggable views.
#app.route('/edit/category/<category>', methods=['GET', 'POST'])
def editCategory(category):
form = forms.AddCategory()
form.name.data = category
if form.validate_on_submit():
newName = form.name.data
database.editCategory(name = category, newName = newName)
#view single category?
return redirect('/view/categories/')
return render_template('edit-category.html', category = category, form = form)
Pluggable View Code
class ListView(View):
def getTemplate_name(self):
raise NotImplementedError()
def render_template(self, context):
return render_template(self.get_template_name(), **context)
def dispatch_request(self):
context = self.get_context()
return self.render_template(context)
class CategoryView(ListView):
def get_template_name(self):
return 'categories.html'
def get_objects(self):
return models.Category.query.all()
def get_form(self):
return forms.AddCategory()
def get_context(self):
return {'categories': self.get_objects(), 'form': self.get_form()}
app.add_url_rule('/view/categories', view_func=CategoryView.as_view('category'))
class EditCategory(ListView):
def get_template_name(self):
return 'edit-category.html'
def get_form(self, category):
form = forms.AddCategory()
form.name.data = category
return form
def get_context(self):
return {'form': self.get_form()}
app.add_url_rule('/edit/category/<category>', view_func=EditCategory.as_view('category'))

Answer 1

You need to override the dispatch_request method in the EditCategory class as this method has the url values passed to it.
class EditCategory(View):
...
def get_context(self, category):
return {'form': self.get_form(category)}
def dispatch_request(self, category):
context = self.get_context(category)
return self.render_template(context)
app.add_url_rule('/edit/category/<category>', view_func=EditCategory.as_view('category'))
As an aside, I think you are better off with the original decorated view functions in this case is there is very little commonality between the viewCategory and editCategory functionality