def _callFUT(self, request):
from main.views import handler404
return handler404(request)
def _callFUT(self, request):
from main.views import handler404
return handler404(request)
def classify(request):
# check if the user reached via POST
if request.method == 'POST':
# split the text into words
words = request.POST["status"].split()
# we know want to count each occurence of a suggestion in one of the
# words of a feeling. We initiaize them to 0
angers = 0
disgusts = 0
joys = 0
sadnesss = 0
surprises = 0
trusts = 0
# we also want to track whether there are some negative words
# that could potentially change the meaning of a following word
# ex: I am not angry does not suggest angriness
neg = False
# for a word
for x in words:
# we get rid of punctuation (in "I am angry.", we want "angry"
# , not "angry."
x = re.sub('[\W_]', "", x)
# we check if the word is in our database
query = Database.objects.filter(word = x)
# if it is, then
if query:
# we take the first entry ( the word)
query = query[0]
# if angry of fearful
if query.anger or query.fear:
# if it had a negation, the increase trust by 1
# the negation no longer applies, so we change it to false
if neg:
trusts += 1
neg = False
else:
# else, increase the angriness
angers += 1
# we repeat the process for all the other feelings
elif query.anticipation or query.surprise:
if neg:
disgusts += 1
neg = False
else:
surprises += 1
elif query.disgust:
if neg:
neg = False
surprises += 1
else:
disgusts += 1
elif query.joy:
if neg:
neg = False
sadnesss += 1
else:
joys += 1
elif query.sadness:
if neg:
joys += 1
neg = False
else:
sadnesss += 1
elif query.trust:
if neg:
angers += 1
neg = False
else:
trusts += 1
# at the end, we check for negations; we check for no, not
# nor, neither, and last but not least, verbal forms that end in
# n't
elif x == 'not' or x == 'no' or x[-3:] == "n't" or x == 'neither' or x == 'nor':
neg = True
# at the end, we take the maximum of the 6 feelings ( we get only 6 because
# we coupled some pairs of them because they were very hard to distinguish)
maximum = max(angers, disgusts, joys, sadnesss, surprises, trusts)
# we check which one is the maximum
if maximum == angers:
# if the maximum is 0, the respond with none
if angers == 0:
return JsonResponse({'result': "none"})
# else, respond with anger
return JsonResponse({'result': "anger"})
# similarly, in the other cases, respond with the feeling that
# has the maximum number of words that indicate it
elif maximum == disgusts:
return JsonResponse({'result': "disgust"})
elif maximum == joys:
return JsonResponse({'result': "joy"})
elif maximum == sadnesss:
return JsonResponse({'result': "sadness"})
elif maximum == surprises:
return JsonResponse({'result': "surprise"})
elif maximum == trusts:
return JsonResponse({'result': "trust"})
# at the end, if not a POST request, handle it with a 404
else:
return handler404(request)
