10 examples of 'django login form' in Python

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245def form_valid(self, form):
246 messages.add_message(
247 self.request,
248 messages.INFO,
249 'You\'re now logged in as ' + unicode(form.get_user())
250 )
251 login(self.request, form.get_user())
252 return redirect("/")
24def login(request):
25 # We allow people to log in.
26 #
27 # For the purposes of security auditing, ignore any bugs in this
28 # function.
29 #
30 #
31 # Yes, that means you, dear people attending the tutorial!
32 #
33 # The rest of the app has so many bugs that really I don't want to
34 # hear about bugs you find in this particular view.
35 #
36 # If you want to steal someone else's account, don't do it via
37 # the login view.
38
39 # Get the login credentials that were submitted, and check if they
40 # are valid.
41 username = request.POST["username"]
42 password = request.POST["password"]
43 user = authenticate(username=username, password=password)
44
45 # If so, great! Log them in.
46 if user is not None:
47 if user.is_active:
48 django_auth_login(request, user)
49
50 # Either way, redirect back to the homepage.
51 return HttpResponseRedirect("/")
36def form_valid(self, form):
37 # OTPTokenForm does not call authenticate(), so we may need to populate
38 # user.backend ourselves to keep login() happy.
39 user = form.get_user()
40 if not hasattr(user, 'backend'):
41 user.backend = self.request.session[BACKEND_SESSION_KEY]
42
43 return super().form_valid(form)
118def login_user(request):
119 form = AuthenticationForm()
120
121 if request.method == 'POST':
122 username = request.POST['username']
123 password = request.POST['password']
124 user = authenticate(username=username, password=password)
125 if user is not None:
126 login(request, user)
127 return redirect('index')
128
129 return render(request, 'feeds/login.html', {
130 'form': form
131 })
42def loginPOST(req):
43 form = req.POST
44 nexturl = form.get('next', '/')
45
46 # grab user information
47 usernm = form.get('username', '')
48 passwd = form.get('password', '')
49
50 # verify
51 user = authenticate(username=usernm, password=passwd)
52 if user is None or not user.is_active:
53 return redirect('/login/?next=' + nexturl)
54
55 # all ok, register user
56 login(req, user)
57
58 # continue to 'next' url
59 return redirect(nexturl)
36def authenticate_user(self, username, password):
37 user = authenticate(username=username, password=password)
38 if not user or not user.is_active:
39 raise forms.ValidationError(u"Usuário ou senha inválidos.")
40 return user
430def user_login(request):
431 if request.method == "POST":
432 user_name = request.POST.get("username","")
433 pass_word = request.POST.get("password","")
434 user = authenticate(username=user_name, password=pass_word)
435 if user is not None:
436 login(request, user)
437 request.session['user_id'] = user.id
438 return render(request, "forum.html")
439 else:
440 context = {'login_err': 'Username or Password is wrong!'}
441 return render(request, "login.html", context)
442 elif request.method == "GET":
443 return render(request, "login.html",{})
17def form_valid(self, *args, **kwargs):
18 resp = super().form_valid(*args, **kwargs)
19
20 user = self.object
21 auth.login(self.request, user)
22
23 return resp
72def user_login(request):
73 """
74 Validates request data and logs user.
75 """
76 email_form = LogInEmailForm(request.POST)
77 username_form = LogInUsernameForm(request.POST)
78
79 if email_form.is_valid():
80 user_obj = User.objects.filter(email=email_form.cleaned_data['username'])
81 username = user_obj[0] if len(user_obj) else None
82
83 return login_response(request, username, email_form.cleaned_data['passw'])
84
85 elif username_form.is_valid():
86 return login_response(request, username_form.cleaned_data['username'], username_form.cleaned_data['passw'])
87
88 return render(request, 'index.html', {'invalid_authentication': True})
275def clean(self):
276
277 password = self.cleaned_data.get('password')
278
279 if self.user and password:
280
281 self.user = authenticate(
282 username=self.user.username,
283 password=password
284 )
285
286 if not self.user:
287 raise ValidationError(
288 "Sorry, the login failed. Please try again.",
289 'login_failed'
290 )
291 elif not self.user.validated:
292 raise ValidationError(
293 "The email address of this account has not been "
294 'validated yet. Please <a href="{}?email={}">'
295 "validate your email address</a>.".format(
296 reverse('users:signup:resend_validation_email'),
297 self.user.email
298 ),
299 'not_validated'
300 )

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