IndexError at /songs-and-raps/resources/school-visit-bookletc/kings-college-chappel-worksheets/

list index out of range
Request Method:
Request URL: http://shadow.historyworks.tv
Django Version: 1.7
Exception Type: IndexError
Exception Value: 
list index out of range
Exception Location: /var/www/djapp/singing/historyworks/base_content/models.py in get_meta_description, line 89
Python Executable: /usr/bin/python
Python Version: 2.7.6
Python Path: 
['/var/www/Envs/foiresearch/src/django-ajax-selects-master',
 '/var/www/Envs/foiresearch/src/django-doctohtml',
 '/var/www/Envs/foiresearch/src/django-jimmypage-master',
 '/var/www/Envs/foiresearch/src/django-oembed',
 '/var/www/Envs/foiresearch/src/django-ordered-model',
 '/var/www/Envs/foiresearch/src/django-proxyfix',
 '/var/www/Envs/foiresearch/src/django-twync',
 '/var/www/Envs/foiresearch/src/django-forms-builder',
 '/var/www/Envs/foiresearch/src/django-staticgenerator',
 '/var/www/djapp/utils/django-translate',
 '/var/www/Envs/foiresearch/src/django-sitestructure-django17',
 '/var/www/Envs/foiresearch/src/django-filebrowser',
 '/var/www/Envs/foiresearch/src/django-cacheds3-storage',
 '/var/www/djapp/singing',
 '/var/www/Envs/foiresearch/lib/python2.7/site-packages',
 '/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']
Server time: Thu, 18 Aug 2016 14:07:40 +0100

Traceback Switch to copy-and-paste view



Request information

GET

No GET data

POST

No POST data

FILES

No FILES data

No cookie data

META

Variable Value
SERVER_NAME 
u'shadow.historyworks.tv'
SERVER_PORT 
80

Settings

Using settings module historyworks.settings

Setting Value
FILEBROWSER_VERSIONS 
{'admin_bar': {'height': 15, 'opts': 'crop upscale', 'width': ''},
 'banner_cover_pic': {'height': 150,
                      'opts': 'crop upscale',
                      'verbose_name': 'Long thin black+white banner pic (3000px)',
                      'width': 3000},
 'big': {'height': '',
         'opts': '',
         'verbose_name': 'Big (620px)',
         'width': 620},
 'cover_pic': {'height': '',
               'opts': 'crop upscale',
               'verbose_name': 'Banner image (1000px)',
               'width': 1000},
 'fb_thumb': {'height': 60,
              'opts': 'crop upscale',
              'verbose_name': 'Admin Thumbnail',
              'width': 60},
 'front_menu': {'height': 215,
                'opts': 'crop upscale',
                'verbose_name': 'Front page menu (215px)',
                'width': 215},
 'front_news_thumb': {'height': 100, 'opts': 'crop upscale', 'width': 100},
 'inner_thumbnail': {'height': 200,
                     'opts': 'crop upscale',
                     'verbose_name': 'Standard inner page thumbnail (200px)',
                     'width': 200},
 'ipup_thumb': {'height': 140, 'opts': 'crop upscale', 'width': 130},
 'large': {'height': '',
           'opts': '',
           'verbose_name': 'Big (620px)',
           'width': 620},
 'medium': {'height': '',
            'opts': '',
            'verbose_name': 'Medium (460px)',
            'width': 460},
 'meta_thumb': {'height': 200,
                'opts': 'crop upscale',
                'verbose_name': 'Meta property thumbnail',
                'width': 200},
 'news_index': {'height': 200, 'opts': 'crop upscale', 'width': 200},
 'person_detail': {'height': 180,
                   'opts': 'crop upscale',
                   'verbose_name': 'Main person pic',
                   'width': 200},
 'rhs_thumb': {'height': 110,
               'opts': 'crop upscale',
               'verbose_name': 'RHS menu thumb',
               'width': 125},
 'rhs_thumb_small': {'height': 80,
                     'opts': 'crop upscale',
                     'verbose_name': 'RHS menu thumb',
                     'width': 90},
 'small': {'height': '',
           'opts': '',
           'verbose_name': 'Small (300px)',
           'width': 300},
 'thumbnail': {'height': '',
               'opts': '',
               'verbose_name': 'Thumbnail (140px)',
               'width': 140},
 'training_person_thumb': {'height': 70,
                           'opts': 'crop upscale',
                           'verbose_name': 'Training person thumbnail (80px)',
                           'width': 100}}
USE_L10N 
True
SITE_URL 
'http://singinghistory.ricktaylordesign.co.uk'
CSRF_COOKIE_SECURE 
False
LANGUAGE_CODE 
'en-gb'
ROOT_URLCONF 
'historyworks.urls'
MANAGERS 
()
TWYNC_NUMBER 
5
TEST_NON_SERIALIZED_APPS 
[]
DEFAULT_CHARSET 
'utf-8'
SESSION_SERIALIZER 
'django.contrib.sessions.serializers.JSONSerializer'
STATIC_ROOT 
'/var/www/djapp/singing/static/'
USE_THOUSAND_SEPARATOR 
False
ALLOWED_HOSTS 
['historyworks.tv']
MESSAGE_STORAGE 
'django.contrib.messages.storage.fallback.FallbackStorage'
EMAIL_SUBJECT_PREFIX 
'[Django] '
SEND_BROKEN_LINK_EMAILS 
False
STATICFILES_FINDERS 
('django.contrib.staticfiles.finders.FileSystemFinder',
 'django.contrib.staticfiles.finders.AppDirectoriesFinder')
FILEBROWSER_DIRECTORY 
'uploads/'
SESSION_CACHE_ALIAS 
'default'
SESSION_COOKIE_DOMAIN 
None
SESSION_COOKIE_NAME 
'sessionid'
AWS_STORAGE_BUCKET_NAME 
'historyworks-media-01'
ADMIN_FOR 
()
TIME_INPUT_FORMATS 
('%H:%M:%S', '%H:%M:%S.%f', '%H:%M')
DATABASES 
{'default': {'ATOMIC_REQUESTS': False,
             'AUTOCOMMIT': True,
             'CONN_MAX_AGE': 0,
             'ENGINE': 'django.db.backends.mysql',
             'HOST': 'tenar',
             'NAME': 'singinghistory',
             'OPTIONS': {},
             'PASSWORD': u'********************',
             'PORT': '',
             'TEST': {'CHARSET': None,
                      'COLLATION': None,
                      'MIRROR': None,
                      'NAME': None},
             'TIME_ZONE': None,
             'USER': 'singinghistory'},
 's3_db': {'ATOMIC_REQUESTS': False,
           'AUTOCOMMIT': True,
           'CONN_MAX_AGE': 0,
           'ENGINE': 'django.db.backends.mysql',
           'HOST': 'tenar',
           'NAME': 'historyworks',
           'OPTIONS': {},
           'PASSWORD': u'********************',
           'PORT': '',
           'TEST': {'CHARSET': None,
                    'COLLATION': None,
                    'MIRROR': None,
                    'NAME': None},
           'TIME_ZONE': None,
           'USER': 'historyworks'}}
FILEBROWSER_ADMIN_THUMBNAIL 
'fb_thumb'
FILE_UPLOAD_DIRECTORY_PERMISSIONS 
None
AWS_PRELOAD_METADATA 
True
FILE_UPLOAD_PERMISSIONS 
None
FILE_UPLOAD_HANDLERS 
('django.core.files.uploadhandler.MemoryFileUploadHandler',
 'django.core.files.uploadhandler.TemporaryFileUploadHandler')
DEFAULT_CONTENT_TYPE 
'text/html'
MAILCHIMP_LIST_ID 
'254752842b'
APPEND_SLASH 
True
FIRST_DAY_OF_WEEK 
0
DATABASE_ROUTERS 
['cachedS3.routers.CachedS3Router']
FILEBROWSER_OVERWRITE_EXISTING 
False
SECTION_MODEL 
('pages', 'section')
YEAR_MONTH_FORMAT 
'F Y'
STATICFILES_STORAGE 
'django.contrib.staticfiles.storage.StaticFilesStorage'
DATABASE_DISTRIBUTION 
{'development': {'default': {'ENGINE': 'django.db.backends.mysql',
                             'HOST': 'tenar',
                             'NAME': 'singinghistory',
                             'PASSWORD': u'********************',
                             'PORT': '',
                             'USER': 'singinghistory'},
                 's3_db': {'ENGINE': 'django.db.backends.mysql',
                           'HOST': 'tenar',
                           'NAME': 'historyworks',
                           'PASSWORD': u'********************',
                           'PORT': '',
                           'USER': 'historyworks'}},
 'production': {'default': {'ATOMIC_REQUESTS': False,
                            'AUTOCOMMIT': True,
                            'CONN_MAX_AGE': 0,
                            'ENGINE': 'django.db.backends.mysql',
                            'HOST': 'tenar',
                            'NAME': 'singinghistory',
                            'OPTIONS': {},
                            'PASSWORD': u'********************',
                            'PORT': '',
                            'TEST': {'CHARSET': None,
                                     'COLLATION': None,
                                     'MIRROR': None,
                                     'NAME': None},
                            'TIME_ZONE': None,
                            'USER': 'singinghistory'},
                's3_db': {'ATOMIC_REQUESTS': False,
                          'AUTOCOMMIT': True,
                          'CONN_MAX_AGE': 0,
                          'ENGINE': 'django.db.backends.mysql',
                          'HOST': 'tenar',
                          'NAME': 'historyworks',
                          'OPTIONS': {},
                          'PASSWORD': u'********************',
                          'PORT': '',
                          'TEST': {'CHARSET': None,
                                   'COLLATION': None,
                                   'MIRROR': None,
                                   'NAME': None},
                          'TIME_ZONE': None,
                          'USER': 'historyworks'}}}
ADMIN_SITE_URL 
'http://singinghistory.ricktaylordesign.co.uk'
SERVER_EMAIL 
'root@localhost'
SESSION_COOKIE_PATH 
'/'
SILENCED_SYSTEM_CHECKS 
[]
MIDDLEWARE_CLASSES 
('sitestructure.middleware.AdminAddUrlsMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'sitestructure.middleware.AdminRedirectMiddleware')
USE_I18N 
True
SITE_NODE_MODELS 
('training', 'project', 'person', 'newsitem')
SECRET_KEY 
u'********************'
LANGUAGE_COOKIE_NAME 
'django_language'
FILE_UPLOAD_TEMP_DIR 
None
TWYNC_SECRET 
u'********************'
DEFAULT_TABLESPACE 
''
TWYNC_KEY 
u'********************'
TRANSACTIONS_MANAGED 
False
LOGGING_CONFIG 
'logging.config.dictConfig'
TEMPLATE_LOADERS 
('django.template.loaders.filesystem.Loader',
 'django.template.loaders.app_directories.Loader',
 'apptemplates.Loader')
WSGI_APPLICATION 
None
TEMPLATE_DEBUG 
False
X_FRAME_OPTIONS 
'SAMEORIGIN'
CSRF_COOKIE_NAME 
'csrftoken'
FORCE_SCRIPT_NAME 
None
USE_X_FORWARDED_HOST 
False
SIGNING_BACKEND 
'django.core.signing.TimestampSigner'
SESSION_COOKIE_SECURE 
False
CSRF_COOKIE_DOMAIN 
None
FILE_CHARSET 
'utf-8'
DEBUG 
True
LANGUAGE_COOKIE_DOMAIN 
None
AWS_ACCESS_KEY_ID 
u'********************'
DEFAULT_FILE_STORAGE 
'historyworks.backends.MediaS3BotoStorage'
INSTALLED_APPS 
('django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.sites',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'sitestructure',
 'oembed',
 'jimmypage',
 'grappelli',
 'filebrowser',
 'django.contrib.admin',
 'mptt',
 'staticgenerator',
 'twync',
 'forms_builder.forms',
 'storages',
 'cachedS3',
 'rpc4django',
 'historyworks.base_content',
 'historyworks.pages')
LANGUAGES 
(('af', 'Afrikaans'),
 ('ar', 'Arabic'),
 ('ast', 'Asturian'),
 ('az', 'Azerbaijani'),
 ('bg', 'Bulgarian'),
 ('be', 'Belarusian'),
 ('bn', 'Bengali'),
 ('br', 'Breton'),
 ('bs', 'Bosnian'),
 ('ca', 'Catalan'),
 ('cs', 'Czech'),
 ('cy', 'Welsh'),
 ('da', 'Danish'),
 ('de', 'German'),
 ('el', 'Greek'),
 ('en', 'English'),
 ('en-au', 'Australian English'),
 ('en-gb', 'British English'),
 ('eo', 'Esperanto'),
 ('es', 'Spanish'),
 ('es-ar', 'Argentinian Spanish'),
 ('es-mx', 'Mexican Spanish'),
 ('es-ni', 'Nicaraguan Spanish'),
 ('es-ve', 'Venezuelan Spanish'),
 ('et', 'Estonian'),
 ('eu', 'Basque'),
 ('fa', 'Persian'),
 ('fi', 'Finnish'),
 ('fr', 'French'),
 ('fy', 'Frisian'),
 ('ga', 'Irish'),
 ('gl', 'Galician'),
 ('he', 'Hebrew'),
 ('hi', 'Hindi'),
 ('hr', 'Croatian'),
 ('hu', 'Hungarian'),
 ('ia', 'Interlingua'),
 ('id', 'Indonesian'),
 ('io', 'Ido'),
 ('is', 'Icelandic'),
 ('it', 'Italian'),
 ('ja', 'Japanese'),
 ('ka', 'Georgian'),
 ('kk', 'Kazakh'),
 ('km', 'Khmer'),
 ('kn', 'Kannada'),
 ('ko', 'Korean'),
 ('lb', 'Luxembourgish'),
 ('lt', 'Lithuanian'),
 ('lv', 'Latvian'),
 ('mk', 'Macedonian'),
 ('ml', 'Malayalam'),
 ('mn', 'Mongolian'),
 ('mr', 'Marathi'),
 ('my', 'Burmese'),
 ('nb', 'Norwegian Bokmal'),
 ('ne', 'Nepali'),
 ('nl', 'Dutch'),
 ('nn', 'Norwegian Nynorsk'),
 ('os', 'Ossetic'),
 ('pa', 'Punjabi'),
 ('pl', 'Polish'),
 ('pt', 'Portuguese'),
 ('pt-br', 'Brazilian Portuguese'),
 ('ro', 'Romanian'),
 ('ru', 'Russian'),
 ('sk', 'Slovak'),
 ('sl', 'Slovenian'),
 ('sq', 'Albanian'),
 ('sr', 'Serbian'),
 ('sr-latn', 'Serbian Latin'),
 ('sv', 'Swedish'),
 ('sw', 'Swahili'),
 ('ta', 'Tamil'),
 ('te', 'Telugu'),
 ('th', 'Thai'),
 ('tr', 'Turkish'),
 ('tt', 'Tatar'),
 ('udm', 'Udmurt'),
 ('uk', 'Ukrainian'),
 ('ur', 'Urdu'),
 ('vi', 'Vietnamese'),
 ('zh-cn', 'Simplified Chinese'),
 ('zh-hans', 'Simplified Chinese'),
 ('zh-hant', 'Traditional Chinese'),
 ('zh-tw', 'Traditional Chinese'))
COMMENTS_ALLOW_PROFANITIES 
False
STATICFILES_DIRS 
()
TWYNC_ACCESS_SECRET 
u'********************'
PREPEND_WWW 
False
SECURE_PROXY_SSL_HEADER 
None
PASSWORD_RESET_TIMEOUT_DAYS 
u'********************'
LANGUAGE_COOKIE_AGE 
None
SESSION_COOKIE_HTTPONLY 
True
AWS_SECRET_ACCESS_KEY 
u'********************'
DEBUG_PROPAGATE_EXCEPTIONS 
False
CSRF_COOKIE_AGE 
31449600
CACHES 
{'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}}
MONTH_DAY_FORMAT 
'F j'
AWS_QUERYSTRING_AUTH 
False
LOGIN_URL 
'/accounts/login/'
SESSION_EXPIRE_AT_BROWSER_CLOSE 
False
TIME_FORMAT 
'P'
AUTH_USER_MODEL 
'auth.User'
DATE_INPUT_FORMATS 
('%Y-%m-%d',
 '%d/%m/%Y',
 '%d/%m/%y',
 '%m/%d/%Y',
 '%m/%d/%y',
 '%d %b %Y',
 '%d %b, %Y',
 '%b %d %Y',
 '%b %d, %Y',
 '%d %B %Y',
 '%d %B, %Y',
 '%B %d %Y',
 '%B %d, %Y')
SITE_HANDLE 
'historyworks'
AUTHENTICATION_BACKENDS 
('django.contrib.auth.backends.ModelBackend',)
EMAIL_HOST_PASSWORD 
u'********************'
CACHEDS3_DATABASE_NAME 
's3_db'
GRAPPELLI_ADMIN_TITLE 
'Historyworks Admin'
SESSION_FILE_PATH 
None
CACHE_MIDDLEWARE_ALIAS 
'default'
SESSION_SAVE_EVERY_REQUEST 
False
ADMIN_MEDIA_PREFIX 
'/static/admin/'
NUMBER_GROUPING 
0
SESSION_ENGINE 
'django.contrib.sessions.backends.db'
CSRF_FAILURE_VIEW 
'django.views.csrf.csrf_failure'
CSRF_COOKIE_PATH 
'/'
PAGE_MODEL 
('pages', 'contentnode')
LOGIN_REDIRECT_URL 
'/accounts/profile/'
TEMPLATE_STRING_IF_INVALID 
''
DECIMAL_SEPARATOR 
'.'
CACHEDS3_USE_TAG_DIRECTORIES 
True
IGNORABLE_404_URLS 
()
SITE_ID 
1
LOCALE_PATHS 
()
CONTENT_NODE_APP 
'pages'
LOGOUT_URL 
'/accounts/logout/'
EMAIL_USE_TLS 
False
FIXTURE_DIRS 
()
EMAIL_HOST 
'localhost'
DATE_FORMAT 
'j F, Y'
TWYNC_ACCESS 
'377345758-VR8l9vzVLMREoGKTufCrpzfg1svyQE5mIjXX5t2z'
MEDIA_ROOT 
''
DEFAULT_EXCEPTION_REPORTER_FILTER 
'django.views.debug.SafeExceptionReporterFilter'
ADMINS 
()
FORMAT_MODULE_PATH 
None
DEFAULT_FROM_EMAIL 
'webmaster@localhost'
THOUSAND_SEPARATOR 
','
MEDIA_URL 
''
DATETIME_FORMAT 
'j F, Y, P'
TEMPLATE_DIRS 
('/var/www/djapp/historyworks/historyworks/templates',)
MAILCHIMP_API_KEY 
u'********************'
DISALLOWED_USER_AGENTS 
()
ALLOWED_INCLUDE_ROOTS 
()
LOGGING 
{'disable_existing_loggers': False,
 'handlers': {'null': {'class': 'django.utils.log.NullHandler',
                       'level': 'DEBUG'}},
 'loggers': {'django.db.backends': {'handlers': ['null'],
                                    'level': 'DEBUG',
                                    'propagate': False}},
 'version': 1}
SHORT_DATE_FORMAT 
'm/d/Y'
TWYNC_HANDLE 
'@historyworkstv'
TEST_RUNNER 
'django.test.runner.DiscoverRunner'
TWYNC_SHOW_RETWEETS 
False
CACHE_MIDDLEWARE_KEY_PREFIX 
u'********************'
TWYNC_SHOW_REPLIES 
False
TIME_ZONE 
None
FILE_UPLOAD_MAX_MEMORY_SIZE 
2621440
WEB_ROOT 
'/var/www/sites/singing'
RUNNING_DEVSERVER 
False
CONTENT_NODE_MODEL 
'contentnode'
EMAIL_BACKEND 
'django.core.mail.backends.smtp.EmailBackend'
EMAIL_USE_SSL 
False
TEMPLATE_CONTEXT_PROCESSORS 
('django.contrib.auth.context_processors.auth',
 'django.core.context_processors.i18n',
 'django.core.context_processors.media',
 'django.core.context_processors.static',
 'django.contrib.messages.context_processors.messages',
 'django.core.context_processors.request',
 'historyworks.pages.context_processors.structure')
FILEBROWSER_LIST_PER_PAGE 
10
SESSION_COOKIE_AGE 
1209600
SETTINGS_MODULE 
'historyworks.settings'
USE_ETAGS 
False
LANGUAGES_BIDI 
('he', 'ar', 'fa', 'ur')
NON_STANDARD_SITE_NODES 
('newsitem',)
DEFAULT_INDEX_TABLESPACE 
''
INTERNAL_IPS 
()
STATIC_URL 
'/static/'
PUBLISHABLE_MODEL 
('pages', 'contentnode')
EMAIL_PORT 
25
USE_TZ 
False
SHORT_DATETIME_FORMAT 
'm/d/Y P'
PASSWORD_HASHERS 
u'********************'
ABSOLUTE_URL_OVERRIDES 
{}
LANGUAGE_COOKIE_PATH 
'/'
MIGRATION_MODULES 
{}
SERIALIZATION_MODULES 
{'njson': 'sitestructure.serializers.json'}
CACHE_MIDDLEWARE_SECONDS 
600
CSRF_COOKIE_HTTPONLY 
False
DATETIME_INPUT_FORMATS 
('%Y-%m-%d %H:%M:%S',
 '%Y-%m-%d %H:%M:%S.%f',
 '%Y-%m-%d %H:%M',
 '%Y-%m-%d',
 '%m/%d/%Y %H:%M:%S',
 '%m/%d/%Y %H:%M:%S.%f',
 '%m/%d/%Y %H:%M',
 '%m/%d/%Y',
 '%m/%d/%y %H:%M:%S',
 '%m/%d/%y %H:%M:%S.%f',
 '%m/%d/%y %H:%M',
 '%m/%d/%y')
FORMS_BUILDER_UPLOAD_ROOT 
'/var/www/djapp/roderick/form-uploads/'
EMAIL_HOST_USER 
''
PROFANITIES_LIST 
u'********************'

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 500 page.