Autocompleting based on a List of Strings

[Mina Marmpena]

Hello. I am not very experienced and I am struggling to get autocomplete to work. I need to use an autocomplete text input field  inside another form. 

I get NoReverseMatch: Reverse for 'emotion-autocomplete' not found. 

# views.py

from dal import autocomplete

class EmotionAutocomplete(autocomplete.Select2ListView):
 def get_list(self):
 return ['Sad', 'Happy', 'Angry', 'Neutral']

# This was my original view that worked fine before trying to get autocomplete for cat_emotion field

def was_emotion(request):
    if request.method == 'POST':
        form = WasEmotionForm(request.POST)
        if form.is_valid():
            attention = form.cleaned_data['attention']
            was_emotion = form.cleaned_data['likert_was_emotion']
            cat_emotion = form.cleaned_data['cat_emotion']
            judge_obj = Judge(attention=attention, was_emotion=was_emotion, cat_emotion=cat_emotion)

            judge_obj.save()

                return HttpResponseRedirect('/evaluation/')
    else:

        form = WasEmotionForm()

    return render(request, 'wasEmotion.html', {'form': form}) 

# urls.py

urlpatterns = [
url(r'^wasEmotion/$', views.was_emotion, name='was_emotion'),
...
url(r'^emotion-autocomplete/$', views.EmotionAutocomplete.as_view(), name='emotion-autocomplete'),
]

# forms.py

def get_choice_list():
 return ['Sad', 'Happy', 'Angry', 'Neutral']

class WasEmotionForm(forms.Form):
 attention = forms.ChoiceField(label=" ", initial='1', widget=forms.RadioSelect, choices=(
 ('1', 'Strongly disagree'), ('2', 'Disagree'), ('3', 'Neither agree nor disagree'), ('4', 'Agree'),
 ('5', 'Strongly agree')))
 likert_was_emotion = forms.ChoiceField(label=" ", initial='1', widget=forms.RadioSelect, choices=(
 ('1', 'Strongly disagree'), ('2', 'Disagree'), ('3', 'Neither agree nor disagree'), ('4', 'Agree'),
 ('5', 'Strongly agree')))

 cat_emotion = autocomplete.Select2ListChoiceField(
 choice_list=get_choice_list,
 widget=autocomplete.ListSelect2(url='emotion-autocomplete'))

If I go to  127.0.0.1:8000/emotion-autocomplete/ view I see:

{"results": [{"text": "Sad", "id": "Sad"}, {"text": "Happy", "id": "Happy"}, {"text": "Angry", "id": "Angry"}, {"text": "Neutral", "id": "Neutral"}]}

But  127.0.0.1:8000/wasEmotion/  gives: 
Exception Value: Reverse for 'emotion-autocomplete' not found. 'emotion-autocomplete' is not a valid view function or pattern name.

I know I have done many things different from the example but I need to get this integrated in my previous code. Any help will be very much appreciated. 

[James Pic]

What is the path of your urls.py and settlings.ROOT_URLCONF ?

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[Mina Marmpena]

ROOT_URLCONF = 'galatea.urls'

My site is 'galatea' and my app is 'evalemo'

# galatea/urls.py

from django.conf.urls import url, include
from django.contrib import admin

urlpatterns = [
 url(r'^admin/', admin.site.urls),
 url(r'^', include('evalemo.urls')),
]# evalemo/urls.py

app_name = 'evalemo'

urlpatterns = [
url(r'^wasEmotion/$', views.was_emotion, name='was_emotion'),
...
url(r'^emotion-autocomplete/$', views.EmotionAutocomplete.as_view(), name='emotion-autocomplete'),
]

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