def test_full_pipeline_succeeds_for_unlinking_account(self):
        # First, create, the request and strategy that store pipeline state,
        # configure the backend, and mock out wire traffic.
        request, strategy = self.get_request_and_strategy(
            auth_entry=pipeline.AUTH_ENTRY_LOGIN, redirect_uri='social:complete')
        strategy.backend.auth_complete = mock.MagicMock(return_value=self.fake_auth_complete(strategy))
        user = self.create_user_models_for_existing_account(
            strategy, '[email protected]', 'password', self.get_username())
        self.assert_social_auth_exists_for_user(user, strategy)

        # Instrument the pipeline to get to the dashboard with the full
        # expected state.
        self.client.get(
            pipeline.get_login_url(self.PROVIDER_CLASS.NAME, pipeline.AUTH_ENTRY_LOGIN))
        actions.do_complete(strategy, social_views._do_login)  # pylint: disable-msg=protected-access

        mako_middleware_process_request(strategy.request)
        student_views.signin_user(strategy.request)
        student_views.login_user(strategy.request)
        actions.do_complete(strategy, social_views._do_login, user=user)  # pylint: disable-msg=protected-access

        # First we expect that we're in the linked state, with a backend entry.
        self.assert_dashboard_response_looks_correct(student_views.dashboard(request), user, linked=True)
        self.assert_social_auth_exists_for_user(request.user, strategy)

        # Fire off the disconnect pipeline to unlink.
        self.assert_redirect_to_dashboard_looks_correct(actions.do_disconnect(
            request.social_strategy, request.user, None, redirect_field_name=auth.REDIRECT_FIELD_NAME))

        # Now we expect to be in the unlinked state, with no backend entry.
        self.assert_dashboard_response_looks_correct(student_views.dashboard(request), user, linked=False)
        self.assert_social_auth_does_not_exist_for_user(user, strategy)

    def test_full_pipeline_succeeds_for_unlinking_account(self):
        # First, create, the request and strategy that store pipeline state,
        # configure the backend, and mock out wire traffic.
        request, strategy = self.get_request_and_strategy(
            auth_entry=pipeline.AUTH_ENTRY_LOGIN, redirect_uri='social:complete')
        request.backend.auth_complete = mock.MagicMock(return_value=self.fake_auth_complete(strategy))
        user = self.create_user_models_for_existing_account(
            strategy, '[email protected]', 'password', self.get_username())
        self.assert_social_auth_exists_for_user(user, strategy)

        # We're already logged in, so simulate that the cookie is set correctly
        self.set_logged_in_cookies(request)

        # Instrument the pipeline to get to the dashboard with the full
        # expected state.
        self.client.get(
            pipeline.get_login_url(self.provider.provider_id, pipeline.AUTH_ENTRY_LOGIN))
        actions.do_complete(request.backend, social_views._do_login)  # pylint: disable=protected-access

        with self._patch_edxmako_current_request(strategy.request):
            student_views.signin_user(strategy.request)
            student_views.login_user(strategy.request)
            actions.do_complete(request.backend, social_views._do_login, user=user)  # pylint: disable=protected-access

        # First we expect that we're in the linked state, with a backend entry.
        self.assert_account_settings_context_looks_correct(account_settings_context(request), user, linked=True)
        self.assert_social_auth_exists_for_user(request.user, strategy)

        # Fire off the disconnect pipeline to unlink.
        self.assert_redirect_to_dashboard_looks_correct(actions.do_disconnect(
            request.backend, request.user, None, redirect_field_name=auth.REDIRECT_FIELD_NAME))

        # Now we expect to be in the unlinked state, with no backend entry.
        self.assert_account_settings_context_looks_correct(account_settings_context(request), user, linked=False)
        self.assert_social_auth_does_not_exist_for_user(user, strategy)

    def test_already_associated_exception_populates_dashboard_with_error(self):
        # Instrument the pipeline with an exception. We test that the
        # exception is raised correctly separately, so it's ok that we're
        # raising it artificially here. This makes the linked=True artificial
        # in the final assert because in practice the account would be
        # unlinked, but getting that behavior is cumbersome here and already
        # covered in other tests. Using linked=True does, however, let us test
        # that the duplicate error has no effect on the state of the controls.
        request, strategy = self.get_request_and_strategy(
            auth_entry=pipeline.AUTH_ENTRY_LOGIN, redirect_uri='social:complete')
        strategy.request.backend.auth_complete = mock.MagicMock(return_value=self.fake_auth_complete(strategy))
        user = self.create_user_models_for_existing_account(
            strategy, '[email protected]', 'password', self.get_username())
        self.assert_social_auth_exists_for_user(user, strategy)

        self.client.get('/login')
        self.client.get(pipeline.get_login_url(self.provider.provider_id, pipeline.AUTH_ENTRY_LOGIN))
        actions.do_complete(request.backend, social_views._do_login)  # pylint: disable=protected-access

        with self._patch_edxmako_current_request(strategy.request):
            student_views.signin_user(strategy.request)
            student_views.login_user(strategy.request)
            actions.do_complete(request.backend, social_views._do_login, user=user)  # pylint: disable=protected-access

        # Monkey-patch storage for messaging; pylint: disable=protected-access
        request._messages = fallback.FallbackStorage(request)
        middleware.ExceptionMiddleware().process_exception(
            request,
            exceptions.AuthAlreadyAssociated(self.provider.backend_name, 'account is already in use.'))

        self.assert_account_settings_context_looks_correct(
            account_settings_context(request), user, duplicate=True, linked=True)

    def run_oauth(self, m, user=None):

        strategy = DjangoStrategy(DjangoStorage)
        backend = self.Backend_Class(strategy, redirect_uri=self.client_complete_url)

        start_url = do_auth(backend).url
        start_query = parse_qs(urlparse(start_url).query)

        # set 'state' in client
        backend.data.update({'state': start_query['state']})

        m.get(backend.USER_DATA_URL,
              json={"username": self.social_username,
                    "email": self.social_email},
              status_code=200)

        m.post(backend.ACCESS_TOKEN_URL,
               json={'access_token': self.access_token,
                     'token_type': self.token_type,
                     'expires_in': self.expires_in,
                     'scope': self.scope,
                     'refresh_token': self.refresh_token},
               status_code=200)

        def _login(backend, user, social_user):
            backend.strategy.session_set('username', user.username)

        do_complete(backend, user=user, login=_login)

        social = backend.strategy.storage.user.get_social_auth(backend.name, self.social_username)

        return strategy.session_get('username'), social, backend

    def mobile_persona_int(request, backend="persona", *args, **kwargs):
        assertion = request.POST["assertion"]
        errors = []
        api_key = None
        user_id = 0
        try:
            do_complete(request.social_strategy, _do_login, request.user, redirect_name="", *args, **kwargs)
            picup_profile = get_or_create_profile(request.user)
            api_key = picup_profile.api_key
            user_id = picup_profile.user.id
        except Exception as e:
            import traceback

            traceback.print_exc()
            errors.append(["auth_failed"])
        response = requests.post("https://browserid.org/verify", data={"assertion": assertion, "audience": "picup.it"})
        response_json = json.loads(response.text)
        response_json["errors"] = errors

        if api_key:
            response_json["api_key"] = api_key

        if user_id > 0:
            response_json["user_id"] = user_id

        response_json = json.dumps(response_json)
        my_response = MyResponse()
        my_response.text = response_json

        return my_response

    def test_full_pipeline_succeeds_registering_new_account(self):
        # First, create, the request and strategy that store pipeline state.
        # Mock out wire traffic.
        request, strategy = self.get_request_and_strategy(
            auth_entry=pipeline.AUTH_ENTRY_REGISTER, redirect_uri='social:complete')
        strategy.backend.auth_complete = mock.MagicMock(return_value=self.fake_auth_complete(strategy))

        # Begin! Grab the registration page and check the login control on it.
        self.assert_register_response_before_pipeline_looks_correct(self.client.get('/register'))

        # The pipeline starts by a user GETting /auth/login/<provider>.
        # Synthesize that request and check that it redirects to the correct
        # provider page.
        self.assert_redirect_to_provider_looks_correct(self.client.get(
            pipeline.get_login_url(self.PROVIDER_CLASS.NAME, pipeline.AUTH_ENTRY_LOGIN)))

        # Next, the provider makes a request against /auth/complete/<provider>.
        # pylint:disable-msg=protected-access
        self.assert_redirect_to_register_looks_correct(actions.do_complete(strategy, social_views._do_login))

        mako_middleware_process_request(strategy.request)
        # At this point we know the pipeline has resumed correctly. Next we
        # fire off the view that displays the registration form.
        self.assert_register_response_in_pipeline_looks_correct(
            student_views.register_user(strategy.request), pipeline.get(request)['kwargs'])

        # Next, we invoke the view that handles the POST. Not all providers
        # supply email. Manually add it as the user would have to; this
        # also serves as a test of overriding provider values. Always provide a
        # password for us to check that we override it properly.
        overridden_password = strategy.request.POST.get('password')
        email = '[email protected]'

        if not strategy.request.POST.get('email'):
            strategy.request.POST = self.get_registration_post_vars({'email': email})

        # The user must not exist yet...
        with self.assertRaises(auth_models.User.DoesNotExist):
            self.get_user_by_email(strategy, email)

        # ...but when we invoke create_account the existing edX view will make
        # it, but not social auths. The pipeline creates those later.
        self.assert_json_success_response_looks_correct(student_views.create_account(strategy.request))
        # We've overridden the user's password, so authenticate() with the old
        # value won't work:
        created_user = self.get_user_by_email(strategy, email)
        self.assert_password_overridden_by_pipeline(overridden_password, created_user.username)

        # At this point the user object exists, but there is no associated
        # social auth.
        self.assert_social_auth_does_not_exist_for_user(created_user, strategy)

        # Pick the pipeline back up. This will create the account association
        # and send the user to the dashboard, where the association will be
        # displayed.
        self.assert_redirect_to_dashboard_looks_correct(
            actions.do_complete(strategy, social_views._do_login, user=created_user))
        self.assert_social_auth_exists_for_user(created_user, strategy)
        self.assert_dashboard_response_looks_correct(student_views.dashboard(request), created_user, linked=True)

    def test_full_pipeline_succeeds_for_signing_in_to_existing_active_account(self):
        # First, create, the request and strategy that store pipeline state,
        # configure the backend, and mock out wire traffic.
        request, strategy = self.get_request_and_strategy(
            auth_entry=pipeline.AUTH_ENTRY_LOGIN, redirect_uri="social:complete"
        )
        strategy.request.backend.auth_complete = mock.MagicMock(return_value=self.fake_auth_complete(strategy))
        pipeline.analytics.track = mock.MagicMock()
        user = self.create_user_models_for_existing_account(
            strategy, "[email protected]", "password", self.get_username()
        )
        self.assert_social_auth_exists_for_user(user, strategy)
        self.assertTrue(user.is_active)

        # Begin! Ensure that the login form contains expected controls before
        # the user starts the pipeline.
        self.assert_login_response_before_pipeline_looks_correct(self.client.get("/login"))

        # The pipeline starts by a user GETting /auth/login/<provider>.
        # Synthesize that request and check that it redirects to the correct
        # provider page.
        self.assert_redirect_to_provider_looks_correct(
            self.client.get(pipeline.get_login_url(self.provider.provider_id, pipeline.AUTH_ENTRY_LOGIN))
        )

        # Next, the provider makes a request against /auth/complete/<provider>
        # to resume the pipeline.
        # pylint: disable=protected-access
        self.assert_redirect_to_login_looks_correct(actions.do_complete(request.backend, social_views._do_login))

        # At this point we know the pipeline has resumed correctly. Next we
        # fire off the view that displays the login form and posts it via JS.
        with self._patch_edxmako_current_request(strategy.request):
            self.assert_login_response_in_pipeline_looks_correct(student_views.signin_user(strategy.request))

        # Next, we invoke the view that handles the POST, and expect it
        # redirects to /auth/complete. In the browser ajax handlers will
        # redirect the user to the dashboard; we invoke it manually here.
        self.assert_json_success_response_looks_correct(student_views.login_user(strategy.request))

        # We should be redirected back to the complete page, setting
        # the "logged in" cookie for the marketing site.
        self.assert_logged_in_cookie_redirect(
            actions.do_complete(
                request.backend,
                social_views._do_login,
                request.user,
                None,  # pylint: disable=protected-access
                redirect_field_name=auth.REDIRECT_FIELD_NAME,
            )
        )

        # Set the cookie and try again
        self.set_logged_in_cookies(request)

        self.assert_redirect_to_dashboard_looks_correct(
            actions.do_complete(request.backend, social_views._do_login, user=user)
        )
        self.assert_account_settings_context_looks_correct(account_settings_context(request), user)

def username_login(request, backend, *args, **kwargs):
    ''' login form processing'''
    if request.user.is_authenticated():
        return redirect('user/dashboard')   
    
    if request.method == 'POST':
        form = LoginForm(request.POST)

        
        users = User.objects.filter(username=request.POST['username']).count()

        if(users == 0):
            form.errors['__all__'] = 'There is no user with username: '+request.POST['username']



        elif form.is_valid():

            try:
                return do_complete(request.social_strategy, lambda strategy, user, social_user=None: auth_login(strategy.request, user), request.user)

            except exceptions.AuthException:
                form.errors['__all__'] = 'you have entered wrong username/password'

    else:

        form = LoginForm()  # An unbound form

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

    def do_login(self, after_complete_checks=True, user_data_body=None,
                 expected_username=None):
        self.strategy.set_settings({
            'SOCIAL_AUTH_GITHUB_KEY': 'a-key',
            'SOCIAL_AUTH_GITHUB_SECRET': 'a-secret-key',
            'SOCIAL_AUTH_LOGIN_REDIRECT_URL': self.login_redirect_url,
            'SOCIAL_AUTH_AUTHENTICATION_BACKENDS': (
                'social.backends.github.GithubOAuth2',
            )
        })
        start_url = do_auth(self.strategy).url
        target_url = self.strategy.build_absolute_uri(
            '/complete/github/?code=foobar'
        )

        start_query = parse_qs(urlparse(start_url).query)
        location_url = target_url + ('?' in target_url and '&' or '?') + \
                       'state=' + start_query['state']
        location_query = parse_qs(urlparse(location_url).query)

        HTTPretty.register_uri(HTTPretty.GET, start_url, status=301,
                               location=location_url)
        HTTPretty.register_uri(HTTPretty.GET, location_url, status=200,
                               body='foobar')

        response = requests.get(start_url)
        expect(response.url).to.equal(location_url)
        expect(response.text).to.equal('foobar')

        HTTPretty.register_uri(HTTPretty.GET,
                               uri=self.backend.ACCESS_TOKEN_URL,
                               status=200,
                               body=self.access_token_body or '',
                               content_type='text/json')

        if self.user_data_url:
            user_data_body = user_data_body or self.user_data_body or ''
            HTTPretty.register_uri(HTTPretty.GET, self.user_data_url,
                                   body=user_data_body,
                                   content_type='text/json')
        self.strategy.set_request_data(location_query)
        class Request(object):session = {}
        self.strategy.request = Request()

        def _login_lambda(strategy, user, social_user):
            strategy.request = Request()
            return strategy.session_set('username', user.username)

        redirect = do_complete(
            self.strategy,
            user=self.user,
            login=_login_lambda
        )
        if after_complete_checks:
            expect(self.strategy.session_get('username')).to.equal(
                expected_username or self.expected_username
            )
            expect(redirect.url).to.equal(self.login_redirect_url)
        return redirect

    def test_linking_already_associated_account_raises_auth_already_associated(self):
        # This is of a piece with
        # test_already_associated_exception_populates_dashboard_with_error. It
        # verifies the exception gets raised when we expect; the latter test
        # covers exception handling.
        email = '[email protected]'
        password = 'password'
        username = self.get_username()
        _, strategy = self.get_request_and_strategy(
            auth_entry=pipeline.AUTH_ENTRY_LOGIN, redirect_uri='social:complete')
        strategy.backend.auth_complete = mock.MagicMock(return_value=self.fake_auth_complete(strategy))
        linked_user = self.create_user_models_for_existing_account(strategy, email, password, username)
        unlinked_user = social_utils.Storage.user.create_user(
            email='other_' + email, password=password, username='other_' + username)

        self.assert_social_auth_exists_for_user(linked_user, strategy)
        self.assert_social_auth_does_not_exist_for_user(unlinked_user, strategy)

        with self.assertRaises(exceptions.AuthAlreadyAssociated):
            actions.do_complete(strategy, social_views._do_login, user=unlinked_user)  # pylint: disable-msg=protected-access

 def test_new_account_registration_fails_if_email_exists(self):
     request, strategy = self.get_request_and_strategy(
         auth_entry=pipeline.AUTH_ENTRY_REGISTER, redirect_uri='social:complete')
     strategy.backend.auth_complete = mock.MagicMock(return_value=self.fake_auth_complete(strategy))
     # pylint:disable-msg=protected-access
     self.assert_redirect_to_register_looks_correct(actions.do_complete(strategy, social_views._do_login))
     self.assert_register_response_in_pipeline_looks_correct(
         student_views.register_user(strategy.request), pipeline.get(request)['kwargs'])
     strategy.request.POST = self.get_registration_post_vars()
     # Create twice: once successfully, and once causing a collision.
     student_views.create_account(strategy.request)
     self.assert_json_failure_response_is_username_collision(student_views.create_account(strategy.request))

    def test_new_account_registration_assigns_distinct_username_on_collision(self):
        original_username = self.get_username()
        request, strategy = self.get_request_and_strategy(
            auth_entry=pipeline.AUTH_ENTRY_REGISTER, redirect_uri='social:complete')

        # Create a colliding username in the backend, then proceed with
        # assignment via pipeline to make sure a distinct username is created.
        strategy.storage.user.create_user(username=self.get_username(), email='[email protected]', password='password')
        strategy.backend.auth_complete = mock.MagicMock(return_value=self.fake_auth_complete(strategy))
        # pylint: disable-msg=protected-access
        self.assert_redirect_to_register_looks_correct(actions.do_complete(strategy, social_views._do_login))
        distinct_username = pipeline.get(request)['kwargs']['username']
        self.assertNotEqual(original_username, distinct_username)

    def test_full_pipeline_succeeds_for_signing_in_to_existing_active_account(self):
        # First, create, the request and strategy that store pipeline state,
        # configure the backend, and mock out wire traffic.
        request, strategy = self.get_request_and_strategy(
            auth_entry=pipeline.AUTH_ENTRY_LOGIN, redirect_uri='social:complete')
        strategy.backend.auth_complete = mock.MagicMock(return_value=self.fake_auth_complete(strategy))
        user = self.create_user_models_for_existing_account(
            strategy, '[email protected]', 'password', self.get_username())
        self.assert_social_auth_exists_for_user(user, strategy)
        self.assertTrue(user.is_active)

        # Begin! Ensure that the login form contains expected controls before
        # the user starts the pipeline.
        self.assert_login_response_before_pipeline_looks_correct(self.client.get('/login'))

        # The pipeline starts by a user GETting /auth/login/<provider>.
        # Synthesize that request and check that it redirects to the correct
        # provider page.
        self.assert_redirect_to_provider_looks_correct(self.client.get(
            pipeline.get_login_url(self.PROVIDER_CLASS.NAME, pipeline.AUTH_ENTRY_LOGIN)))

        # Next, the provider makes a request against /auth/complete/<provider>
        # to resume the pipeline.
        # pylint: disable-msg=protected-access
        self.assert_redirect_to_login_looks_correct(actions.do_complete(strategy, social_views._do_login))

        mako_middleware_process_request(strategy.request)
        # At this point we know the pipeline has resumed correctly. Next we
        # fire off the view that displays the login form and posts it via JS.
        self.assert_login_response_in_pipeline_looks_correct(student_views.signin_user(strategy.request))

        # Next, we invoke the view that handles the POST, and expect it
        # redirects to /auth/complete. In the browser ajax handlers will
        # redirect the user to the dashboard; we invoke it manually here.
        self.assert_json_success_response_looks_correct(student_views.login_user(strategy.request))
        self.assert_redirect_to_dashboard_looks_correct(
            actions.do_complete(strategy, social_views._do_login, user=user))
        self.assert_dashboard_response_looks_correct(student_views.dashboard(request), user)

    def test_full_pipeline_succeeds_for_linking_account(self):
        # First, create, the request and strategy that store pipeline state,
        # configure the backend, and mock out wire traffic.
        request, strategy = self.get_request_and_strategy(
            auth_entry=pipeline.AUTH_ENTRY_LOGIN, redirect_uri="social:complete"
        )
        request.backend.auth_complete = mock.MagicMock(return_value=self.fake_auth_complete(strategy))
        pipeline.analytics.track = mock.MagicMock()
        request.user = self.create_user_models_for_existing_account(
            strategy, "[email protected]", "password", self.get_username(), skip_social_auth=True
        )

        # Instrument the pipeline to get to the dashboard with the full
        # expected state.
        self.client.get(pipeline.get_login_url(self.provider.provider_id, pipeline.AUTH_ENTRY_LOGIN))
        actions.do_complete(request.backend, social_views._do_login)  # pylint: disable=protected-access

        student_views.signin_user(strategy.request)
        student_views.login_user(strategy.request)
        actions.do_complete(request.backend, social_views._do_login)  # pylint: disable=protected-access

        # First we expect that we're in the unlinked state, and that there
        # really is no association in the backend.
        self.assert_account_settings_context_looks_correct(
            account_settings_context(request), request.user, linked=False
        )
        self.assert_social_auth_does_not_exist_for_user(request.user, strategy)

        # We should be redirected back to the complete page, setting
        # the "logged in" cookie for the marketing site.
        self.assert_logged_in_cookie_redirect(
            actions.do_complete(
                request.backend,
                social_views._do_login,
                request.user,
                None,  # pylint: disable=protected-access
                redirect_field_name=auth.REDIRECT_FIELD_NAME,
            )
        )

        # Set the cookie and try again
        self.set_logged_in_cookies(request)

        # Fire off the auth pipeline to link.
        self.assert_redirect_to_dashboard_looks_correct(
            actions.do_complete(
                request.backend,
                social_views._do_login,
                request.user,
                None,  # pylint: disable=protected-access
                redirect_field_name=auth.REDIRECT_FIELD_NAME,
            )
        )

        # Now we expect to be in the linked state, with a backend entry.
        self.assert_social_auth_exists_for_user(request.user, strategy)
        self.assert_account_settings_context_looks_correct(account_settings_context(request), request.user, linked=True)

    def do_login(self, after_complete_checks=True, user_data_body=None, expected_username=None):
        self.strategy.set_settings(
            {
                "SOCIAL_AUTH_GITHUB_KEY": "a-key",
                "SOCIAL_AUTH_GITHUB_SECRET": "a-secret-key",
                "SOCIAL_AUTH_LOGIN_REDIRECT_URL": self.login_redirect_url,
                "SOCIAL_AUTH_AUTHENTICATION_BACKENDS": ("social.backends.github.GithubOAuth2",),
            }
        )
        start_url = do_auth(self.backend).url
        target_url = self.strategy.build_absolute_uri("/complete/github/?code=foobar")

        start_query = parse_qs(urlparse(start_url).query)
        location_url = target_url + ("?" in target_url and "&" or "?") + "state=" + start_query["state"]
        location_query = parse_qs(urlparse(location_url).query)

        HTTPretty.register_uri(HTTPretty.GET, start_url, status=301, location=location_url)
        HTTPretty.register_uri(HTTPretty.GET, location_url, status=200, body="foobar")

        response = requests.get(start_url)
        expect(response.url).to.equal(location_url)
        expect(response.text).to.equal("foobar")

        HTTPretty.register_uri(
            HTTPretty.POST,
            uri=self.backend.ACCESS_TOKEN_URL,
            status=200,
            body=self.access_token_body or "",
            content_type="text/json",
        )

        if self.user_data_url:
            user_data_body = user_data_body or self.user_data_body or ""
            HTTPretty.register_uri(HTTPretty.GET, self.user_data_url, body=user_data_body, content_type="text/json")
        self.strategy.set_request_data(location_query, self.backend)

        def _login(backend, user, social_user):
            backend.strategy.session_set("username", user.username)

        redirect = do_complete(self.backend, user=self.user, login=_login)

        if after_complete_checks:
            expect(self.strategy.session_get("username")).to.equal(expected_username or self.expected_username)
            expect(redirect.url).to.equal(self.login_redirect_url)
        return redirect

def complete(request, backend, *args, **kwargs):
    """Authentication complete view, override this view if transaction
    management doesn't suit your needs."""
    next_blob = request.session.pop("next_blob", None)

    error = request.GET.get("error")
    if error:
        return oauth_error(request)

    resp = do_complete(
        request.social_strategy, _do_login, request.user, redirect_name=REDIRECT_FIELD_NAME, *args, **kwargs
    )

    if next_blob:
        alt_resp = _url_redirect_when_logged_in(request, next_blob)
        if alt_resp:
            return alt_resp

    return resp

def signup(request, backend, *args, **kwargs):
    ''' registeration form '''
    if request.user.is_authenticated():
        return redirect('user/dashboard')
    
    if request.method == 'POST':
        form = RegisterationForm(request.POST)

        homo_emails = User.objects.filter(email=request.POST['email']).count()
        homo_usernames = User.objects.filter(username = request.POST['username']).count()
        
        if(homo_emails > 0):
            form.errors['email'] = 'this email id is already taken did you <a href="/forgot-password/">forgot</a> password'

        elif(homo_usernames > 0):
            form.errors['username'] = 'this username is not available'


        elif form.is_valid():

            try:
                return do_complete(request.social_strategy, lambda strategy, user, social_user=None: auth_login(strategy.request, user), request.user)

            except exceptions.AuthException:
                form.errors['__all__'] = 'you have entered wrong username/password'

    
        else :
            print 'got error !!!'
            print form.errors.keys()

    else:

        form = RegisterationForm()  # An unbound form

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

def complete(backend, *args, **kwargs):
    """Authentication complete view, override this view if transaction
    management doesn't suit your needs."""
    return do_complete(g.backend, login=do_login, user=g.user,
                       *args, **kwargs)

    def test_full_pipeline_succeeds_registering_new_account(self):
        # First, create, the request and strategy that store pipeline state.
        # Mock out wire traffic.
        request, strategy = self.get_request_and_strategy(
            auth_entry=pipeline.AUTH_ENTRY_REGISTER, redirect_uri="social:complete"
        )
        strategy.request.backend.auth_complete = mock.MagicMock(return_value=self.fake_auth_complete(strategy))

        # Begin! Grab the registration page and check the login control on it.
        self.assert_register_response_before_pipeline_looks_correct(self.client.get("/register"))

        # The pipeline starts by a user GETting /auth/login/<provider>.
        # Synthesize that request and check that it redirects to the correct
        # provider page.
        self.assert_redirect_to_provider_looks_correct(
            self.client.get(pipeline.get_login_url(self.provider.provider_id, pipeline.AUTH_ENTRY_LOGIN))
        )

        # Next, the provider makes a request against /auth/complete/<provider>.
        # pylint: disable=protected-access
        self.assert_redirect_to_register_looks_correct(actions.do_complete(request.backend, social_views._do_login))

        # At this point we know the pipeline has resumed correctly. Next we
        # fire off the view that displays the registration form.
        with self._patch_edxmako_current_request(request):
            self.assert_register_response_in_pipeline_looks_correct(
                student_views.register_user(strategy.request), pipeline.get(request)["kwargs"]
            )

        # Next, we invoke the view that handles the POST. Not all providers
        # supply email. Manually add it as the user would have to; this
        # also serves as a test of overriding provider values. Always provide a
        # password for us to check that we override it properly.
        overridden_password = strategy.request.POST.get("password")
        email = "[email protected]"

        if not strategy.request.POST.get("email"):
            strategy.request.POST = self.get_registration_post_vars({"email": email})

        # The user must not exist yet...
        with self.assertRaises(auth_models.User.DoesNotExist):
            self.get_user_by_email(strategy, email)

        # ...but when we invoke create_account the existing edX view will make
        # it, but not social auths. The pipeline creates those later.
        with self._patch_edxmako_current_request(strategy.request):
            self.assert_json_success_response_looks_correct(student_views.create_account(strategy.request))
        # We've overridden the user's password, so authenticate() with the old
        # value won't work:
        created_user = self.get_user_by_email(strategy, email)
        self.assert_password_overridden_by_pipeline(overridden_password, created_user.username)

        # At this point the user object exists, but there is no associated
        # social auth.
        self.assert_social_auth_does_not_exist_for_user(created_user, strategy)

        # We should be redirected back to the complete page, setting
        # the "logged in" cookie for the marketing site.
        self.assert_logged_in_cookie_redirect(
            actions.do_complete(
                request.backend,
                social_views._do_login,
                request.user,
                None,  # pylint: disable=protected-access
                redirect_field_name=auth.REDIRECT_FIELD_NAME,
            )
        )

        # Set the cookie and try again
        self.set_logged_in_cookies(request)
        self.assert_redirect_to_dashboard_looks_correct(
            actions.do_complete(strategy.request.backend, social_views._do_login, user=created_user)
        )
        # Now the user has been redirected to the dashboard. Their third party account should now be linked.
        self.assert_social_auth_exists_for_user(created_user, strategy)
        self.assert_account_settings_context_looks_correct(account_settings_context(request), created_user, linked=True)

def complete(request, *args, **kwargs):
    do_login = module_member(request.strategy.setting('LOGIN_FUNCTION'))
    return do_complete(request.strategy, do_login, request.user,
                       redirect_name='next', *args, **kwargs)