One quick thought is that your user query is case-sensitive (by default,
Django queries use __exact:
https://docs.djangoproject.com/en/dev/ref/models/querysets/#std:fieldlookup-exact
). So if the email was stored with mixed case, or if you're entering
mixed case when logging in, it won't work. Try email__iexact=username
(case-insensitive match) instead.
_Nik
On 4/24/2012 10:52 AM, Nikolas Stevenson-Molnar wrote:
> Could you provide a bit more detail about the problem? By 'not working'
> do you mean you get an exception, or that you enter your email/password
> and it doesn't log you in as expected?
>
> In the latter case, I would suggest a little debugging. First, make sure
> your settings are correct and that your code is actually being executed.
> For example, you could stick a print statement in your authenticate()
> method and watch for it when logging in. If you don't see your statement
> in the output, then your settings are likely wrong, if you do see it
> then next check to make sure your query is returning a user, etc. until
> you've narrowed down the problem.
>
> _Nik
>
> On 4/23/2012 2:20 AM, Mai wrote:
>> here i guess i wrote Every thing to be able to log in by mail but it's
>> not working is there something missing please? and
>> AUTHENTICATION_BACKENDS = (
>> 'mayapp.backends.EmailAuthBackend',
>> 'django.contrib.auth.backends.ModelBackend'
>> )
>>
>>
>> backends.py
>>
>>
>> from django.conf import settings
>> from django.contrib.auth.backends import ModelBackend
>> from django.core.validators import email_re
>> from django.contrib.auth.models import User, check_password
>>
>> # Overwrite the default backend to check for e-mail address
>> class EmailAuthBackend(object):
>> """
>> Email Authentication Backend
>>
>> Allows a user to sign in using an email/password pair rather than
>> a username/password pair.
>> """
>>
>> def authenticate(self, username=None, password=None):
>> """ Authenticate a user based on email address as the user
>> name. """
>> try:
>> user = User.objects.get(email=username)
>> if user.check_password(password):
>> return user
>> except User.DoesNotExist:
>> return None
>>
>> def get_user(self, user_id):
>> """ Get a User object from the user_id. """
>> try:
>> return User.objects.get(pk=user_id)
>> except User.DoesNotExist:
>> return None
>>
>>
>> views.py
>>
>>
>>
>> def login_user(request):
>> state = "Please log in below..."
>> username = password = ''
>> if request.POST:
>> if 'login' in request.POST:
>> username = request.POST.get('username')
>> password = request.POST.get('password')
>>
>> user = authenticate(username=username,
>> password=password)
>> if user is not None:
>> if user.is_active:
>> login(request, user)
>> state = "You're successfully logged in!"
>>
>> return
>> render_to_response('master.html',RequestContext(request))
>> else:
>> state = "Your account is not active,
>> please contact the site
>> admin."
>> else:
>> state = "Your username and/or password were
>> incorrect."
>> elif 'signup' in request.POST:
>> form= SignUpForm()
>> context = {'form':form}
>> return
>> render_to_response('Sign_up_Employer.html',context,context_instance=RequestContext(request))
>>
>>
>>
>> return render_to_response('login.html',{'state':state, 'username':
>> username},RequestContext(request))
>>
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