Dear Group,
I was trying to write a RestDjango Application with the help of a web based
book available
from
https://www.safaribooksonline.com/library/view/lightweight-django/9781491946275/ch04.html
Project's folder structure is as follows,
tutoriall/
tutoriall/
migrations/
_init_.py
_init_.py
admin.py
models.py
serializers.py
tests.py
views.py
quickstart/
__init__.py
settings.py
urls.py
wsgi.py
db.sqlite3
manage.py
I am writing the tutoriall/tutoriall/serializer.py as follows:
from rest_framework import serializers
from .models import Sprint
class SprintSerializer(serializers.HyperlinkedModelSerializer):
class Meta:
model = Sprint
#fields = ('id','name','description')
fields = ('name','description')
I am writing tutoriall/tutoriall/models.py as follows:
from django.db import models
# Create your models here.
from django.conf import settings
from django.db import models
from django.utils.translation import ugettext_lazy as _
from django.utils.translation import ugettext_lazy as _
class Sprint(models.Model):
"""Development iteration period."""
name = models.CharField(max_length=100, blank=True, default='')
description = models.TextField(blank=True, default='')
end = models.DateField(unique=True)
def __unicode__(self):
return self.name or _('Sprint ending %s') % self.end
class Task(models.Model):
"""Unit of work to be done for the sprint."""
STATUS_TODO = 1
STATUS_IN_PROGRESS = 2
STATUS_TESTING = 3
STATUS_DONE = 4
STATUS_CHOICES = (
(STATUS_TODO, _('Not Started')),
(STATUS_IN_PROGRESS, _('In Progress')),
(STATUS_TESTING, _('Testing')),
(STATUS_DONE, _('Done')),
)
name = models.CharField(max_length=100)
description = models.TextField(blank=False, default='')
sprint = models.ForeignKey(Sprint, blank=True, null=True)
status = models.SmallIntegerField(choices=STATUS_CHOICES,
default=STATUS_TODO)
order = models.SmallIntegerField(default=0)
assigned = models.ForeignKey(settings.AUTH_USER_MODEL, null=True,
blank=True)
started = models.DateField(blank=True, null=True)
due = models.DateField(blank=True, null=True)
completed = models.DateField(blank=True, null=True)
def __unicode__(self):
return self.name
I am writing tutoriall/tutoriall/views.py as follows:
from django.shortcuts import render
from django.contrib.auth.models import User, Group
from rest_framework import viewsets
from models import Sprint
from serializers import SprintSerializer
class UserViewSet(viewsets.ModelViewSet):
"""
API endpoint that allows users to be viewed or edited.
"""
queryset = User.objects.all()
serializer_class = SprintSerializer
I am writing tutoriall/quickstart/urls.py as follows:
from django.contrib import admin
from django.conf.urls import url, include
from rest_framework import routers
from quickstart import views
from rest_framework.authtoken.views import obtain_auth_token
router = routers.DefaultRouter()
router.register(r'users', views.UserViewSet)
#Wire up our API using automatic URL routing.
# Additionally, we include login URLs for the browsable API.
urlpatterns = [
url(r'^', include(router.urls)),
url(r'^api-auth/', include('rest_framework.urls',
namespace='rest_framework')),
url(r'^admin/', include(admin.site.urls)),
url(r'^api/token/', obtain_auth_token, name='api-token')
]
As I am running it I am getting the command as,
C:\Python27\Lib\site-packages\django\tutoriall>python ./manage.py runserver
Performing system checks...
System check identified no issues (0 silenced).
May 20, 2015 - 13:44:01
Django version 1.8.1, using settings 'tutoriall.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CTRL-BREAK.
I am getting the screen as this:
Given as attached .docx file.
but as I am trying to post I am getting the following error.
Request Method: POST
Request URL: http://127.0.0.1:8000/users/
Django Version: 1.8.1
Exception Type: OperationalError
Exception Value:
no such table: quickstart_sprint
I have slightly changed few names of folders, and I am using Python2.7+ on
Windows 7 Professional.
If any one may kindly suggest the error I am doing.
Regards,
Subhabrata Banerjee.
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