Saturday, October 1, 2016

Re: ImportError at/ No module name




On Thursday, December 20, 2012 at 6:57:42 PM UTC+5:30, djangobie wrote:
Hi, I have just started practicing a tutorial for buidling a  basic blog ( http://www.djangorocks.com/tutorials/how-to-create-a-basic-blog-in-django/starting-your-application.html )

Did exactly the same (except, using 'djangopractice' as project name instead of 'djangorocks')
Actually It also did run twice, but than started showing ImportError.

My files:
--------------------
**settings.py**
--------------------
# Django settings for djangopractice project.
#import os, django
#DJANGO_ROOT = os.path.dirname(os.path.realpath(django.__file__))
#SITE_ROOT = os.path.dirname(os.path.realpath('__file__'))

DEBUG = True
TEMPLATE_DEBUG = DEBUG

ADMINS = (
    # ('Your Name', 'your_...@example.com'),
)

MANAGERS = ADMINS

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql', # Add 'postgresql_psycopg2', 'mysql', 'sqlite3' or 'oracle'.
        'NAME': 'djangopractice',                      # Or path to database file if using sqlite3.
        'USER': 'root',                      # Not used with sqlite3.
        'PASSWORD': '1290',                  # Not used with sqlite3.
        'HOST': '',                      # Set to empty string for localhost. Not used with sqlite3.
        'PORT': '',                      # Set to empty string for default. Not used with sqlite3.
    }
}

# Local time zone for this installation. Choices can be found here:
# although not all choices may be available on all operating systems.
# In a Windows environment this must be set to your system time zone.
TIME_ZONE = 'Asia/Karachi'

# Language code for this installation. All choices can be found here:
LANGUAGE_CODE = 'en-us'

SITE_ID = 1

# If you set this to False, Django will make some optimizations so as not
# to load the internationalization machinery.
USE_I18N = True

# If you set this to False, Django will not format dates, numbers and
# calendars according to the current locale.
USE_L10N = True

# If you set this to False, Django will not use timezone-aware datetimes.
USE_TZ = True

# Absolute filesystem path to the directory that will hold user-uploaded files.
# Example: "/home/media/media.lawrence.com/media/"
MEDIA_ROOT = ''

# URL that handles the media served from MEDIA_ROOT. Make sure to use a
# trailing slash.
MEDIA_URL = ''

# Absolute path to the directory static files should be collected to.
# Don't put anything in this directory yourself; store your static files
# in apps' "static/" subdirectories and in STATICFILES_DIRS.
# Example: "/home/media/media.lawrence.com/static/"
STATIC_ROOT = ''

# URL prefix for static files.
STATIC_URL = '/static/'

# Additional locations of static files
STATICFILES_DIRS = (
    # Put strings here, like "/home/html/static" or "C:/www/django/static".
    # Always use forward slashes, even on Windows.
    # Don't forget to use absolute paths, not relative paths.
)

# List of finder classes that know how to find static files in
# various locations.
STATICFILES_FINDERS = (
    'django.contrib.staticfiles.finders.FileSystemFinder',
    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
#    'django.contrib.staticfiles.finders.DefaultStorageFinder',
)

# Make this unique, and don't share it with anybody.
SECRET_KEY = '@io!2+0*rw1o0tjq%t5zb8e$v(wf3p#yk_8#lb^%hrerzijwt1'

# List of callables that know how to import templates from various sources.
TEMPLATE_LOADERS = (
    'django.template.loaders.filesystem.Loader',
    'django.template.loaders.app_directories.Loader',
#     'django.template.loaders.eggs.Loader',
)

MIDDLEWARE_CLASSES = (
    'django.middleware.common.CommonMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    # Uncomment the next line for simple clickjacking protection:
    # 'django.middleware.clickjacking.XFrameOptionsMiddleware',
)

ROOT_URLCONF = 'djangopractice.urls'

# Python dotted path to the WSGI application used by Django's runserver.
WSGI_APPLICATION = 'djangopractice.wsgi.application'

TEMPLATE_DIRS = (
    "/home/username/djangosites/djangopractice/Templates"
    # Put strings here, like "/home/html/django_templates" or "C:/www/django/templates".
    # Always use forward slashes, even on Windows.
    # Don't forget to use absolute paths, not relative paths.
)

INSTALLED_APPS = (
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.sites',
    'django.contrib.messages',
    'django.contrib.staticfiles',    
    'django.contrib.admin',
    'django.contrib.admindocs',
    'blog',
)

# A sample logging configuration. The only tangible logging
# performed by this configuration is to send an email to
# the site admins on every HTTP 500 error when DEBUG=False.
# more details on how to customize your logging configuration.
LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'filters': {
        'require_debug_false': {
            '()': 'django.utils.log.RequireDebugFalse'
        }
    },
    'handlers': {
        'mail_admins': {
            'level': 'ERROR',
            'filters': ['require_debug_false'],
            'class': 'django.utils.log.AdminEmailHandler'
        }
    },
    'loggers': {
        'django.request': {
            'handlers': ['mail_admins'],
            'level': 'ERROR',
            'propagate': True,
        },
    }
}

--------------
**urls.py**
--------------
from django.conf.urls import patterns, include, url
# Uncomment the next two lines to enable the admin:
from django.contrib import admin
admin.autodiscover()

urlpatterns = patterns('',
    (r'^$', 'djangopractice.blog.views.index'),
    url(
r'^blog/view/(?P<slug>[^\.]+).html',
'djangopractice.blog.views.view_post', name='view_blog_post'),
    url(
r'^blog/category/(?P<slug>[^\.]+).html',
'djangopractice.blog.views.view_category',
name='view_blog_category'),
    
    # Examples:
    # url(r'^$', 'djangopractice.views.home', name='home'),
    # url(r'^djangopractice/', include('djangopractice.foo.urls')),

    # Uncomment the admin/doc line below to enable admin documentation:
    # url(r'^admin/doc/', include('django.contrib.admindocs.urls')),

    # Uncomment the next line to enable the admin:
    # url(r'^admin/', include(admin.site.urls)),
)

----------------
**views.py**
----------------
from blog.models import Blog, Category
from django.shortcuts import render_to_response, get_object_or_404

def index(request):
    return render_to_response('index.html', {
'category': Category.objects.all(),
'posts': Blog.objects.all()[:5]
    })

def view_post(request, slug): #slug is mapped to, from the urls.py
    return render_to_respomse('view_post.html', {
'post': get_object_or_404(Blog, slug=slug)
    })

def view_category(request, slug):
    category = get_object_or_404(Category, slug=slug)
    return render_to_response('view_category.html' {
'category':category, 
'posts': Blog.objects.filter(category=category)[:5]
})

--------------------
**models.py**
-------------------
from django.db import models
from django.db.models import permalink

class Blog(models.Model):
    title = models.CharField(max_length=100, unique=True)
    slug = models.SlugField(max_length=100, unique=True)
    body = models.TextField()
    posted = models.DateField(db_index=True, auto_now_add=True)
    category = models.ForeignKey('blog.Category')

    def __unicode__(self):
        return '%s' % self.title

    @permalink
    def get_absolute_url(self): #returns a url automatically calculating, based on urls.py param
return ('view_blog_post', None, { 'slug': self.slug})

class Category(models.Model):
    title = models.CharField(max_length=100, db_index=True)
    slug = models.SlugField(max_length=100, db_index=True)

    def __unicode__(self):
        return '%s' % self.title

    @permalink
    def get_absolute_url(self):
        return ('view_blog_category', None, { 'slug': self.slug})

------------------
**admin.py**
------------------
from django.contrib import admin
from blog.models import Blog, Category

#class BlogAdmin(admin.ModelAdmin):
#    exclude = ['posted']
#    prepopulated_fields = {'slug': ('title',)}

#class CategoryAdmin(admin.ModelAdmin):
#    prepopulated_fields = {'slug': ('title',)}

#admin.site.register(Blog, BlogAdmin)
#admin.site.register(Category, CategoryAdmin)


admin.site.register(Blog)
admin.site.register(Category)

----------------------
python manage.py validate
0 errors 
also syncbd properly... but don't why not considering my app a modeule.

my dir structure is:
----------------------------------------------------------------------
djangopractice-
                     --djangopractice-
                                           - __init__.py
                                           - settings.py
                                           - urls.py
                                           - wsgi.py
                    
                     --blog-
                                           - models.py
                                           - views.py
                                           - admin.py
                                           - __init__.py
                                           - test.py

                     --Templates-
                                          - base.html
                                          - index.html
                                          - view_category.html
                                          - view_posts.html
-------------------------------------------------------------------------

Exact error I am getting in the browser is: 
------------------------------------------------------

ImportError at /

No module named blog
Request Method:GET
Request URL:http://localhost:8000/
Django Version:1.4.3
Exception Type:ImportError
Exception Value:
No module named blog
Exception Location:/usr/local/lib/python2.7/dist-packages/django/utils/importlib.py in import_module, line 35
Python Executable:/usr/bin/python
Python Version:2.7.3
Python Path:
['/home/username/djangosites/djangopractice',   '/usr/lib/python2.7',   '/usr/lib/python2.7/plat-linux2',   '/usr/lib/python2.7/lib-tk',   '/usr/lib/python2.7/lib-old',   '/usr/lib/python2.7/lib-dynload',   '/usr/local/lib/python2.7/dist-packages',   '/usr/lib/python2.7/dist-packages',   '/usr/lib/python2.7/dist-packages/PIL',   '/usr/lib/python2.7/dist-packages/gst-0.10',   '/usr/lib/python2.7/dist-packages/gtk-2.0',   '/usr/lib/python2.7/dist-packages/ubuntu-sso-client',   '/usr/lib/python2.7/dist-packages/ubuntuone-client',   '/usr/lib/python2.7/dist-packages/ubuntuone-control-panel',   '/usr/lib/python2.7/dist-packages/ubuntuone-couch',   '/usr/lib/python2.7/dist-packages/ubuntuone-storage-protocol']

-----------------------------

Thanks

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