views

voice to sign/views.py

+from django.http import HttpResponse
+from django.shortcuts import render, redirect
+from django.contrib.auth.forms import UserCreationForm, AuthenticationForm
+from django.contrib.auth import login,logout
+from nltk.tokenize import word_tokenize
+from nltk.corpus import stopwords
+from nltk.stem import WordNetLemmatizer
+import nltk
+from django.contrib.staticfiles import finders
+from django.contrib.auth.decorators import login_required
+def test_view(request):
+	return render(request,'test.html')
+def home_view(request):
+	return render(request,'home.html')
+
+
+def about_view(request):
+	return render(request,'about.html')
+
+
+def contact_view(request):
+	return render(request,'contact.html')
+
+@login_required(login_url="login")
+def animation_view(request):
+	if request.method == 'POST':
+		text = request.POST.get('sen')
+		#tokenizing the sentence
+		text.lower()
+		#tokenizing the sentence
+		words = word_tokenize(text)
+
+		tagged = nltk.pos_tag(words)
+		tense = {}
+		tense["future"] = len([word for word in tagged if word[1] == "MD"])
+		tense["present"] = len([word for word in tagged if word[1] in ["VBP", "VBZ","VBG"]])
+		tense["past"] = len([word for word in tagged if word[1] in ["VBD", "VBN"]])
+		tense["present_continuous"] = len([word for word in tagged if word[1] in ["VBG"]])
+
+
+
+		#stopwords that will be removed
+		stop_words = set(["mightn't", 're', 'wasn', 'wouldn', 'be', 'has', 'that', 'does', 'shouldn','to', 'do', "you've",'off', 'for', "didn't", 'm', 'ain', 'haven', "weren't", 'are', "she's", "wasn't", 'its', "haven't", "wouldn't", 'don', 'weren', 's', "you'd", "don't", 'doesn', "hadn't", 'is', 'was', "that'll", "should've", 'a', 'then', 'the', 'mustn', 'i', 'nor', 'as', "it's", "needn't", 'd', 'am', 'have',  'hasn', 'o', "aren't", "you'll", "couldn't", "you're", "mustn't", 'didn', "doesn't", 'll', 'an', 'hadn', 'whom', 'y', "hasn't", 'itself', 'couldn', 'needn', "shan't", 'isn', 'been', 'such', 'shan', "shouldn't", 'aren', 'being', 'were', 'did', 'ma', 't', 'having', 'mightn', 've', "isn't", "won't"])
+
+
+
+		#removing stopwords and applying lemmatizing nlp process to words
+		lr = WordNetLemmatizer()
+		filtered_text = []
+		for w,p in zip(words,tagged):
+			if w not in stop_words:
+				if p[1]=='VBG' or p[1]=='VBD' or p[1]=='VBZ' or p[1]=='VBN' or p[1]=='NN':
+					filtered_text.append(lr.lemmatize(w,pos='v'))
+				elif p[1]=='JJ' or p[1]=='JJR' or p[1]=='JJS'or p[1]=='RBR' or p[1]=='RBS':
+					filtered_text.append(lr.lemmatize(w,pos='a'))
+
+				else:
+					filtered_text.append(lr.lemmatize(w))
+
+
+		#adding the specific word to specify tense
+		words = filtered_text
+		temp=[]
+		for w in words:
+			if w=='I':
+				temp.append('Me')
+			else:
+				temp.append(w)
+		words = temp
+		probable_tense = max(tense,key=tense.get)
+
+		if probable_tense == "past" and tense["past"]>=1:
+			temp = ["Before"]
+			temp = temp + words
+			words = temp
+		elif probable_tense == "future" and tense["future"]>=1:
+			if "Will" not in words:
+					temp = ["Will"]
+					temp = temp + words
+					words = temp
+			else:
+				pass
+		elif probable_tense == "present":
+			if tense["present_continuous"]>=1:
+				temp = ["Now"]
+				temp = temp + words
+				words = temp
+
+
+		filtered_text = []
+		for w in words:
+			path = w + ".jpg"
+			f = finders.find(path)
+			#splitting the word if its animation is not present in database
+			if not f:
+				for c in w:
+					filtered_text.append(c)
+			#otherwise animation of word
+			else:
+				filtered_text.append(w)
+				
+		words = filtered_text;
+
+
+		return render(request,'animation.html',{'words':words,'text':text})
+	else:
+		return render(request,'animation.html')
+
+
+
+
+def signup_view(request):
+	if request.method == 'POST':
+		form = UserCreationForm(request.POST)
+		if form.is_valid():
+			user = form.save()
+			login(request,user)
+			# log the user in
+			return redirect('animation')
+	else:
+		form = UserCreationForm()
+	return render(request,'signup.html',{'form':form})
+
+
+
+def login_view(request):
+	if request.method == 'POST':
+		form = AuthenticationForm(data=request.POST)
+		if form.is_valid():
+			#log in user
+			user = form.get_user()
+			login(request,user)
+			if 'next' in request.POST:
+				return redirect(request.POST.get('next'))
+			else:
+				return redirect('animation')
+	else:
+		form = AuthenticationForm()
+	return render(request,'login.html',{'form':form})
+
+
+
+def logout_view(request):
+	logout(request)
+	return redirect("home")