I am facing error while running a project :
Environment:
Request Method: POST Request URL: http://127.0.0.1:8000/
Django Version: 1.8.4 Python Version: 2.7.6 Installed Applications: ('django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'mongo_login') Installed Middleware: ('django.contrib.sessions.middleware.SessionMiddleware', 'django.middleware.common.CommonMiddleware', 'django.middleware.csrf.CsrfViewMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.messages.middleware.MessageMiddleware')
Traceback: File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py" in get_response 132. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/shubham/Documents/python/django project/login/mongo_login/views.py" in register 24. if form.is_valid(): File "/usr/local/lib/python2.7/dist-packages/django/forms/forms.py" inis_valid 184. return self.is_bound and not self.errors File "/usr/local/lib/python2.7/dist-packages/django/forms/forms.py" in errors 176. self.full_clean() File "/usr/local/lib/python2.7/dist-packages/django/forms/forms.py" in full_clean 392. self._clean_fields() File "/usr/local/lib/python2.7/dist-packages/django/forms/forms.py" in _clean_fields 410. value = getattr(self, 'clean_%s' % name)()
File "/home/shubham/Documents/python/django project/login/mongo_login/forms.py" in clean_username 56. existing = MongoUser.objects(username=self.cleaned_data['username'])File "/usr/local/lib/python2.7/dist-packages/mongoengine/queryset/manager.py" in get 37. queryset = queryset_class(owner, owner._get_collection()) File "/usr/local/lib/python2.7/dist-packages/mongoengine/document.py" in _get_collection 176. db = cls._get_db() File "/usr/local/lib/python2.7/dist-packages/mongoengine/document.py" in _get_db 169. return get_db(cls._meta.get("db_alias", DEFAULT_CONNECTION_NAME)) File "/usr/local/lib/python2.7/dist-packages/mongoengine/connection.py" in get_db 145. conn = get_connection(alias) File "/usr/local/lib/python2.7/dist-packages/mongoengine/connection.py" in get_connection 101. raise ConnectionError(msg)
Exception Type: ConnectionError at / Exception Value: You have not defined a default connection
and the code is :
View.py
from django.template.context import RequestContext
from django.shortcuts import redirect, render_to_response
from django.conf import settings
from forms import RegistrationForm
from auth import User as MongoUser
def save_user_in_mongo(**kwargs):
new_user = MongoUser.create_user(kwargs['username'], kwargs['password1'], kwargs['email'])
new_user.first_name = kwargs.get('first_name')
new_user.last_name = kwargs.get('last_name')
new_user.save()
return new_user
def register(request, success_url=None, form_class=None,
template_name='registration/registration_form.html',
extra_context=None):
if form_class is None:
form_class = RegistrationForm
if request.method == 'POST':
form = form_class(data=request.POST, files=request.FILES)
if form.is_valid(): # line 24 =======
save_user_in_mongo(**form.cleaned_data)
if success_url is None:
success_url = settings.LOGIN_URL
return redirect(success_url)
else:
form = form_class()
if extra_context is None:
extra_context = {}
context = RequestContext(request)
for key, value in extra_context.items():
context[key] = callable(value) and value() or value
return render_to_response(template_name,
{'form': form},
context_instance=context)
forms.py
from auth import User as MongoUser
from django import forms
from django.utils.translation import ugettext_lazy as _
attrs_dict = {'class': 'required'}
class RegistrationForm(forms.Form):
username = forms.RegexField(regex=r'^[\w.@+-]+$',
max_length=30,
widget=forms.TextInput(attrs=attrs_dict),
label=_("Username"),
error_messages={'invalid': _("This value may contain only letters, numbers and @/./+/-/_ characters.")})
email = forms.EmailField(widget=forms.TextInput(attrs=dict(attrs_dict,
maxlength=75)),
label=_("E-mail"))
password1 = forms.CharField(widget=forms.PasswordInput(attrs=attrs_dict, render_value=False),
label=_("Password"))
password2 = forms.CharField(widget=forms.PasswordInput(attrs=attrs_dict, render_value=False),
label=_("Password (again)"))
first_name = forms.CharField(widget=forms.TextInput(attrs=dict(attrs_dict, maxlength=50)),
label=_("First Name"))
last_name = forms.CharField(widget=forms.TextInput(attrs=dict(attrs_dict, maxlength=50)),
label=_("Last Name"), required=False)
def clean_username(self):
existing = MongoUser.objects(username=self.cleaned_data['username'])#line 56 ======
if existing:
raise forms.ValidationError(_("A user with that username already exists."))
else:
return self.cleaned_data['username']
def clean(self):
if 'password1' in self.cleaned_data and 'password2' in self.cleaned_data:
if self.cleaned_data['password1'] != self.cleaned_data['password2']:
raise forms.ValidationError(_("The two password fields didn't match."))
return self.cleaned_data
setting.py
DATABASES = {
'default': {
'ENGINE': 'django_mongodb_engine',
'NAME': 'my_database',
'OPTIONS' : {
'socketTimeoutMS' : 500,
}
}
}
How i can resolve this problem ?
