common.py

    'static_replace',
    'webpack_loader',

    # For user interface plugins
    'web_fragments',
    'openedx.core.djangoapps.plugin_api',

    # For content serving
    'openedx.core.djangoapps.contentserver',

    # Theming
    'openedx.core.djangoapps.theming',

    # Site configuration for theming and behavioral modification
    'openedx.core.djangoapps.site_configuration',

    # Our courseware
    'courseware',
    'student',

    'static_template_view',
    'staticbook',
    'track',
    'eventtracking.django.apps.EventTrackingConfig',
    'util',
    'certificates.apps.CertificatesConfig',
    'dashboard',
    'lms.djangoapps.instructor',
    'lms.djangoapps.instructor_task',
    'openedx.core.djangoapps.course_groups',
    'bulk_email',
    'branding',
    'lms.djangoapps.grades.apps.GradesConfig',

    # Signals
    'openedx.core.djangoapps.signals.apps.SignalConfig',

    # Student support tools
    'support',

    # External auth (OpenID, shib)
    'openedx.core.djangoapps.external_auth',
    'django_openid_auth',

    # django-oauth2-provider (deprecated)
    'provider',
    'provider.oauth2',
    'edx_oauth2_provider',

    # django-oauth-toolkit
    'oauth2_provider',
    'openedx.core.djangoapps.oauth_dispatch.apps.OAuthDispatchAppConfig',

    'third_party_auth',

    # We don't use this directly (since we use OAuth2), but we need to install it anyway.
    # When a user is deleted, Django queries all tables with a FK to the auth_user table,
    # and since django-rest-framework-oauth imports this, it will try to access tables
    # defined by oauth_provider.  If those tables don't exist, an error can occur.
    'oauth_provider',

    'openedx.core.djangoapps.auth_exchange',

    # For the wiki
    'wiki',  # The new django-wiki from benjaoming
    'django_notify',
    'course_wiki',  # Our customizations
    'mptt',
    'sekizai',
    #'wiki.plugins.attachments',
    'wiki.plugins.links',
    # Notifications were enabled, but only 11 people used it in three years. It
    # got tangled up during the Django 1.8 migration, so we are disabling it.
    # See TNL-3783 for details.
    #'wiki.plugins.notifications',
    'course_wiki.plugins.markdownedx',

    # For testing
    'django.contrib.admin',  # only used in DEBUG mode
    'django_nose',
    'debug',
    'django_extensions',

    # Discussion forums
    'django_comment_client',
    'django_comment_common',
    'discussion_api',
    'lms.djangoapps.discussion',

    # Notes
    'notes',
    'edxnotes',

    # Splash screen
    'splash',

    # Monitoring
    'openedx.core.djangoapps.datadog',

    # User API
    'rest_framework',
    'openedx.core.djangoapps.user_api',

    # Shopping cart
    'shoppingcart',

    # Notification preferences setting
    'notification_prefs',

    'notifier_api',

    # Different Course Modes
    'course_modes',

    # Enrollment API
    'enrollment',

    # Bulk Enrollment API
    'bulk_enroll',

    # Student Identity Verification
    'lms.djangoapps.verify_student',

    # Dark-launching languages
    'openedx.core.djangoapps.dark_lang',

    # Microsite configuration
    'microsite_configuration',

    # RSS Proxy
    'rss_proxy',

    # Country embargo support
    'openedx.core.djangoapps.embargo',

    # Monitoring functionality
    'openedx.core.djangoapps.monitoring',

    # Course action state
    'course_action_state',

    # Additional problem types
    'edx_jsme',    # Molecular Structure

    # Country list
    'django_countries',

    # edX Mobile API
    'mobile_api',
    'social_django',

    # Surveys
    'survey',

    'lms.djangoapps.lms_xblock',

    # Course data caching
    'openedx.core.djangoapps.content.course_overviews',
    'openedx.core.djangoapps.content.course_structures.apps.CourseStructuresConfig',
    'openedx.core.djangoapps.content.block_structure.apps.BlockStructureConfig',
    'lms.djangoapps.course_blocks',

    # Coursegraph
    'openedx.core.djangoapps.coursegraph.apps.CoursegraphConfig',

    # Old course structure API
    'course_structure_api',

    # Mailchimp Syncing
    'mailing',

    # CORS and cross-domain CSRF
    'corsheaders',
    'openedx.core.djangoapps.cors_csrf',

    'commerce',

    # Credit courses
    'openedx.core.djangoapps.credit',

    # Course teams
    'lms.djangoapps.teams',

    'xblock_django',

    # Bookmarks
    'openedx.core.djangoapps.bookmarks',

    # programs support
    'openedx.core.djangoapps.programs',

    # Catalog integration
    'openedx.core.djangoapps.catalog',

    # Self-paced course configuration
    'openedx.core.djangoapps.self_paced',

    'sorl.thumbnail',

    # Credentials support
    'openedx.core.djangoapps.credentials',

    # edx-milestones service
    'milestones',

    # Gating of course content
    'gating.apps.GatingConfig',

    # Static i18n support
    'statici18n',

    # API access administration
    'openedx.core.djangoapps.api_admin',

    # Verified Track Content Cohorting (Beta feature that will hopefully be removed)
    'openedx.core.djangoapps.verified_track_content',

    # Video module configs (This will be moved to Video once it becomes an XBlock)
    'openedx.core.djangoapps.video_config',

    # Learner's dashboard
    'learner_dashboard',

    # Needed whether or not enabled, due to migrations
    'badges.apps.BadgesConfig',

    # Enables default site and redirects
    'django_sites_extensions',

    # Email marketing integration
    'email_marketing',

    # additional release utilities to ease automation
    'release_util',

    # Customized celery tasks, including persisting failed tasks so they can
    # be retried
    'celery_utils',

    # Ability to detect and special-case crawler behavior
    'openedx.core.djangoapps.crawlers',

    # Unusual migrations
    'database_fixups',

    # Waffle related utilities
    'openedx.core.djangoapps.waffle_utils',

    # Features
    'openedx.features.course_bookmarks',
    'openedx.features.course_experience',
    'openedx.features.course_search',
    'openedx.features.enterprise_support',
    'openedx.features.learner_profile',

    # Experiments
    'experiments',

    # DRF filters
    'django_filters',
)

######################### CSRF #########################################

# Forwards-compatibility with Django 1.7
CSRF_COOKIE_AGE = 60 * 60 * 24 * 7 * 52
# It is highly recommended that you override this in any environment accessed by
# end users
CSRF_COOKIE_SECURE = False

######################### Django Rest Framework ########################

REST_FRAMEWORK = {
    'DEFAULT_PAGINATION_CLASS': 'openedx.core.lib.api.paginators.DefaultPagination',
    'DEFAULT_RENDERER_CLASSES': (
        'rest_framework.renderers.JSONRenderer',
    ),
    'PAGE_SIZE': 10,
    'URL_FORMAT_OVERRIDE': None,
    'DEFAULT_THROTTLE_RATES': {
        'user': '60/minute',
        'service_user': '120/minute',
    },
}


######################### MARKETING SITE ###############################
EDXMKTG_LOGGED_IN_COOKIE_NAME = 'edxloggedin'
EDXMKTG_USER_INFO_COOKIE_NAME = 'edx-user-info'
EDXMKTG_USER_INFO_COOKIE_VERSION = 1

MKTG_URLS = {}
MKTG_URL_LINK_MAP = {
    'ABOUT': 'about',
    'CONTACT': 'contact',
    'FAQ': 'help',
    'COURSES': 'courses',
    'ROOT': 'root',
    'TOS': 'tos',
    'HONOR': 'honor',  # If your site does not have an honor code, simply delete this line.
    'PRIVACY': 'privacy',
    'PRESS': 'press',
    'BLOG': 'blog',
    'DONATE': 'donate',
    'SITEMAP.XML': 'sitemap_xml',

    # Verified Certificates
    'WHAT_IS_VERIFIED_CERT': 'verified-certificate',
}

STATIC_TEMPLATE_VIEW_DEFAULT_FILE_EXTENSION = 'html'

SUPPORT_SITE_LINK = ''
PASSWORD_RESET_SUPPORT_LINK = ''
ACTIVATION_EMAIL_SUPPORT_LINK = ''

############################# SOCIAL MEDIA SHARING #############################
# Social Media Sharing on Student Dashboard
SOCIAL_SHARING_SETTINGS = {
    # Note: Ensure 'CUSTOM_COURSE_URLS' has a matching value in cms/envs/common.py
    'CUSTOM_COURSE_URLS': False,
    'DASHBOARD_FACEBOOK': False,
    'CERTIFICATE_FACEBOOK': False,
    'CERTIFICATE_FACEBOOK_TEXT': None,
    'CERTIFICATE_TWITTER': False,
    'CERTIFICATE_TWITTER_TEXT': None,
    'DASHBOARD_TWITTER': False,
    'DASHBOARD_TWITTER_TEXT': None
}

################# Social Media Footer Links #######################
# The names list controls the order of social media
# links in the footer.
SOCIAL_MEDIA_FOOTER_NAMES = [
    "facebook",
    "twitter",
    "youtube",
    "linkedin",
    "google_plus",
    "reddit",
]

# JWT Settings
JWT_AUTH = {
    # TODO Set JWT_SECRET_KEY to a secure value. By default, SECRET_KEY will be used.
    # 'JWT_SECRET_KEY': '',
    'JWT_ALGORITHM': 'HS256',
    'JWT_VERIFY_EXPIRATION': True,
    # TODO Set JWT_ISSUER and JWT_AUDIENCE to values specific to your service/organization.
    'JWT_ISSUER': 'change-me',
    'JWT_AUDIENCE': None,
    'JWT_PAYLOAD_GET_USERNAME_HANDLER': lambda d: d.get('username'),
    'JWT_LEEWAY': 1,
    'JWT_DECODE_HANDLER': 'edx_rest_framework_extensions.utils.jwt_decode_handler',
    # Number of seconds before JWT tokens expire
    'JWT_EXPIRATION': 30,
}

# The footer URLs dictionary maps social footer names
# to URLs defined in configuration.
SOCIAL_MEDIA_FOOTER_URLS = {}

# The display dictionary defines the title
# and icon class for each social media link.
SOCIAL_MEDIA_FOOTER_DISPLAY = {
    "facebook": {
        # Translators: This is the website name of www.facebook.com.  Please
        # translate this the way that Facebook advertises in your language.
        "title": _("Facebook"),
        "icon": "fa-facebook-square",
        "action": _("Like {platform_name} on Facebook")
    },
    "twitter": {
        # Translators: This is the website name of www.twitter.com.  Please
        # translate this the way that Twitter advertises in your language.
        "title": _("Twitter"),
        "icon": "fa-twitter",
        "action": _("Follow {platform_name} on Twitter")
    },
    "linkedin": {
        # Translators: This is the website name of www.linkedin.com.  Please
        # translate this the way that LinkedIn advertises in your language.
        "title": _("LinkedIn"),
        "icon": "fa-linkedin-square",
        "action": _("Follow {platform_name} on LinkedIn")
    },
    "google_plus": {
        # Translators: This is the website name of plus.google.com.  Please
        # translate this the way that Google+ advertises in your language.
        "title": _("Google+"),
        "icon": "fa-google-plus-square",
        "action": _("Follow {platform_name} on Google+")
    },
    "tumblr": {
        # Translators: This is the website name of www.tumblr.com.  Please
        # translate this the way that Tumblr advertises in your language.
        "title": _("Tumblr"),
        "icon": "fa-tumblr"
    },
    "meetup": {
        # Translators: This is the website name of www.meetup.com.  Please
        # translate this the way that MeetUp advertises in your language.
        "title": _("Meetup"),
        "icon": "fa-calendar"
    },
    "reddit": {
        # Translators: This is the website name of www.reddit.com.  Please
        # translate this the way that Reddit advertises in your language.
        "title": _("Reddit"),
        "icon": "fa-reddit",
        "action": _("Subscribe to the {platform_name} subreddit"),
    },
    "vk": {
        # Translators: This is the website name of https://vk.com.  Please
        # translate this the way that VK advertises in your language.
        "title": _("VK"),
        "icon": "fa-vk"
    },
    "weibo": {
        # Translators: This is the website name of http://www.weibo.com.  Please
        # translate this the way that Weibo advertises in your language.
        "title": _("Weibo"),
        "icon": "fa-weibo"
    },
    "youtube": {
        # Translators: This is the website name of www.youtube.com.  Please
        # translate this the way that YouTube advertises in your language.
        "title": _("Youtube"),
        "icon": "fa-youtube",
        "action": _("Subscribe to the {platform_name} YouTube channel")
    }
}

################# Mobile URLS ##########################

# These are URLs to the app store for mobile.
MOBILE_STORE_URLS = {
    'apple': '#',
    'google': '#'
}

################# Student Verification #################
VERIFY_STUDENT = {
    "DAYS_GOOD_FOR": 365,  # How many days is a verficiation good for?
    # The variable represents the window within which a verification is considered to be "expiring soon."
    "EXPIRING_SOON_WINDOW": 28,
}
DISABLE_ACCOUNT_ACTIVATION_REQUIREMENT_SWITCH = "verify_student_disable_account_activation_requirement"

### This enables the Metrics tab for the Instructor dashboard ###########
FEATURES['CLASS_DASHBOARD'] = False
if FEATURES.get('CLASS_DASHBOARD'):
    INSTALLED_APPS += ('class_dashboard',)

################ Enable credit eligibility feature ####################
ENABLE_CREDIT_ELIGIBILITY = True
FEATURES['ENABLE_CREDIT_ELIGIBILITY'] = ENABLE_CREDIT_ELIGIBILITY

######################## CAS authentication ###########################

if FEATURES.get('AUTH_USE_CAS'):
    CAS_SERVER_URL = 'https://provide_your_cas_url_here'
    AUTHENTICATION_BACKENDS = (
        'django.contrib.auth.backends.ModelBackend',
        'django_cas.backends.CASBackend',
    )
    INSTALLED_APPS += ('django_cas',)
    MIDDLEWARE_CLASSES += ('django_cas.middleware.CASMiddleware',)

############# Cross-domain requests #################

if FEATURES.get('ENABLE_CORS_HEADERS'):
    CORS_ALLOW_CREDENTIALS = True
    CORS_ORIGIN_WHITELIST = ()
    CORS_ORIGIN_ALLOW_ALL = False

# Default cache expiration for the cross-domain proxy HTML page.
# This is a static page that can be iframed into an external page
# to simulate cross-domain requests.
XDOMAIN_PROXY_CACHE_TIMEOUT = 60 * 15

###################### Registration ##################################

# For each of the fields, give one of the following values:
# - 'required': to display the field, and make it mandatory
# - 'optional': to display the field, and make it non-mandatory
# - 'hidden': to not display the field

REGISTRATION_EXTRA_FIELDS = {
    'confirm_email': 'hidden',
    'level_of_education': 'optional',
    'gender': 'optional',
    'year_of_birth': 'optional',
    'mailing_address': 'optional',
    'goals': 'optional',
    'honor_code': 'required',
    'terms_of_service': 'hidden',
    'city': 'hidden',
    'country': 'hidden',
}

REGISTRATION_FIELD_ORDER = [
    "name",
    "first_name",
    "last_name",
    "username",
    "email",
    "confirm_email",
    "password",
    "city",
    "state",
    "country",
    "gender",
    "year_of_birth",
    "level_of_education",
    "company",
    "title",
    "mailing_address",
    "goals",
    "honor_code",
    "terms_of_service",
]

# Optional setting to restrict registration / account creation to only emails
# that match a regex in this list. Set to None to allow any email (default).
REGISTRATION_EMAIL_PATTERNS_ALLOWED = None

########################## CERTIFICATE NAME ########################
CERT_NAME_SHORT = "Certificate"
CERT_NAME_LONG = "Certificate of Achievement"

#################### OpenBadges Settings #######################

BADGING_BACKEND = 'badges.backends.badgr.BadgrBackend'

# Be sure to set up images for course modes using the BadgeImageConfiguration model in the certificates app.
BADGR_API_TOKEN = None
# Do not add the trailing slash here.
BADGR_BASE_URL = "http://localhost:8005"
BADGR_ISSUER_SLUG = "example-issuer"
# Number of seconds to wait on the badging server when contacting it before giving up.
BADGR_TIMEOUT = 10

###################### Grade Downloads ######################
# These keys are used for all of our asynchronous downloadable files, including
# the ones that contain information other than grades.
GRADES_DOWNLOAD_ROUTING_KEY = HIGH_MEM_QUEUE

GRADES_DOWNLOAD = {
    'STORAGE_TYPE': 'localfs',
    'BUCKET': 'edx-grades',
    'ROOT_PATH': '/tmp/edx-s3/grades',
}

FINANCIAL_REPORTS = {
    'STORAGE_TYPE': 'localfs',
    'BUCKET': 'edx-financial-reports',
    'CUSTOM_DOMAIN': 'edx-financial-reports.s3.amazonaws.com',
    'ROOT_PATH': '/tmp/edx-s3/financial_reports',
}

#### PASSWORD POLICY SETTINGS #####
PASSWORD_MIN_LENGTH = 8
PASSWORD_MAX_LENGTH = None
PASSWORD_COMPLEXITY = {"UPPER": 1, "LOWER": 1, "DIGITS": 1}
PASSWORD_DICTIONARY_EDIT_DISTANCE_THRESHOLD = None
PASSWORD_DICTIONARY = []

############################ ORA 2 ############################################

# By default, don't use a file prefix
ORA2_FILE_PREFIX = None

# Default File Upload Storage bucket and prefix. Used by the FileUpload Service.
FILE_UPLOAD_STORAGE_BUCKET_NAME = 'edxuploads'
FILE_UPLOAD_STORAGE_PREFIX = 'submissions_attachments'

##### ACCOUNT LOCKOUT DEFAULT PARAMETERS #####
MAX_FAILED_LOGIN_ATTEMPTS_ALLOWED = 5
MAX_FAILED_LOGIN_ATTEMPTS_LOCKOUT_PERIOD_SECS = 15 * 60


##### LMS DEADLINE DISPLAY TIME_ZONE #######
TIME_ZONE_DISPLAYED_FOR_DEADLINES = 'UTC'


########################## VIDEO IMAGE STORAGE ############################

VIDEO_IMAGE_SETTINGS = dict(
    VIDEO_IMAGE_MAX_BYTES=2 * 1024 * 1024,    # 2 MB
    VIDEO_IMAGE_MIN_BYTES=2 * 1024,       # 2 KB
    # Backend storage
    # STORAGE_CLASS='storages.backends.s3boto.S3BotoStorage',
    # STORAGE_KWARGS=dict(bucket='video-image-bucket'),
    STORAGE_KWARGS=dict(
        location=MEDIA_ROOT,
        base_url=MEDIA_URL,
    ),
    DIRECTORY_PREFIX='video-images/',
)


# Source:
# http://loc.gov/standards/iso639-2/ISO-639-2_utf-8.txt according to http://en.wikipedia.org/wiki/ISO_639-1
# Note that this is used as the set of choices to the `code` field of the
# `LanguageProficiency` model.
ALL_LANGUAGES = (
    [u"aa", u"Afar"],
    [u"ab", u"Abkhazian"],
    [u"af", u"Afrikaans"],
    [u"ak", u"Akan"],
    [u"sq", u"Albanian"],
    [u"am", u"Amharic"],
    [u"ar", u"Arabic"],
    [u"an", u"Aragonese"],
    [u"hy", u"Armenian"],
    [u"as", u"Assamese"],
    [u"av", u"Avaric"],
    [u"ae", u"Avestan"],
    [u"ay", u"Aymara"],
    [u"az", u"Azerbaijani"],
    [u"ba", u"Bashkir"],
    [u"bm", u"Bambara"],
    [u"eu", u"Basque"],
    [u"be", u"Belarusian"],
    [u"bn", u"Bengali"],
    [u"bh", u"Bihari languages"],
    [u"bi", u"Bislama"],
    [u"bs", u"Bosnian"],
    [u"br", u"Breton"],
    [u"bg", u"Bulgarian"],
    [u"my", u"Burmese"],
    [u"ca", u"Catalan"],
    [u"ch", u"Chamorro"],
    [u"ce", u"Chechen"],
    [u"zh", u"Chinese"],
    [u"zh_HANS", u"Simplified Chinese"],
    [u"zh_HANT", u"Traditional Chinese"],
    [u"cu", u"Church Slavic"],
    [u"cv", u"Chuvash"],
    [u"kw", u"Cornish"],
    [u"co", u"Corsican"],
    [u"cr", u"Cree"],
    [u"cs", u"Czech"],
    [u"da", u"Danish"],
    [u"dv", u"Divehi"],
    [u"nl", u"Dutch"],
    [u"dz", u"Dzongkha"],
    [u"en", u"English"],
    [u"eo", u"Esperanto"],
    [u"et", u"Estonian"],
    [u"ee", u"Ewe"],
    [u"fo", u"Faroese"],
    [u"fj", u"Fijian"],
    [u"fi", u"Finnish"],
    [u"fr", u"French"],
    [u"fy", u"Western Frisian"],
    [u"ff", u"Fulah"],
    [u"ka", u"Georgian"],
    [u"de", u"German"],
    [u"gd", u"Gaelic"],
    [u"ga", u"Irish"],
    [u"gl", u"Galician"],
    [u"gv", u"Manx"],
    [u"el", u"Greek"],
    [u"gn", u"Guarani"],
    [u"gu", u"Gujarati"],
    [u"ht", u"Haitian"],
    [u"ha", u"Hausa"],
    [u"he", u"Hebrew"],
    [u"hz", u"Herero"],
    [u"hi", u"Hindi"],
    [u"ho", u"Hiri Motu"],
    [u"hr", u"Croatian"],
    [u"hu", u"Hungarian"],
    [u"ig", u"Igbo"],
    [u"is", u"Icelandic"],
    [u"io", u"Ido"],
    [u"ii", u"Sichuan Yi"],
    [u"iu", u"Inuktitut"],
    [u"ie", u"Interlingue"],
    [u"ia", u"Interlingua"],
    [u"id", u"Indonesian"],
    [u"ik", u"Inupiaq"],
    [u"it", u"Italian"],
    [u"jv", u"Javanese"],
    [u"ja", u"Japanese"],
    [u"kl", u"Kalaallisut"],
    [u"kn", u"Kannada"],
    [u"ks", u"Kashmiri"],
    [u"kr", u"Kanuri"],
    [u"kk", u"Kazakh"],
    [u"km", u"Central Khmer"],
    [u"ki", u"Kikuyu"],
    [u"rw", u"Kinyarwanda"],
    [u"ky", u"Kirghiz"],
    [u"kv", u"Komi"],
    [u"kg", u"Kongo"],
    [u"ko", u"Korean"],
    [u"kj", u"Kuanyama"],
    [u"ku", u"Kurdish"],
    [u"lo", u"Lao"],
    [u"la", u"Latin"],
    [u"lv", u"Latvian"],
    [u"li", u"Limburgan"],
    [u"ln", u"Lingala"],
    [u"lt", u"Lithuanian"],
    [u"lb", u"Luxembourgish"],
    [u"lu", u"Luba-Katanga"],
    [u"lg", u"Ganda"],
    [u"mk", u"Macedonian"],
    [u"mh", u"Marshallese"],
    [u"ml", u"Malayalam"],
    [u"mi", u"Maori"],
    [u"mr", u"Marathi"],
    [u"ms", u"Malay"],
    [u"mg", u"Malagasy"],
    [u"mt", u"Maltese"],
    [u"mn", u"Mongolian"],
    [u"na", u"Nauru"],
    [u"nv", u"Navajo"],
    [u"nr", u"Ndebele, South"],
    [u"nd", u"Ndebele, North"],
    [u"ng", u"Ndonga"],
    [u"ne", u"Nepali"],
    [u"nn", u"Norwegian Nynorsk"],
    [u"nb", u"Bokmål, Norwegian"],
    [u"no", u"Norwegian"],
    [u"ny", u"Chichewa"],
    [u"oc", u"Occitan"],
    [u"oj", u"Ojibwa"],
    [u"or", u"Oriya"],
    [u"om", u"Oromo"],
    [u"os", u"Ossetian"],
    [u"pa", u"Panjabi"],
    [u"fa", u"Persian"],
    [u"pi", u"Pali"],
    [u"pl", u"Polish"],
    [u"pt", u"Portuguese"],
    [u"ps", u"Pushto"],
    [u"qu", u"Quechua"],
    [u"rm", u"Romansh"],
    [u"ro", u"Romanian"],
    [u"rn", u"Rundi"],
    [u"ru", u"Russian"],
    [u"sg", u"Sango"],
    [u"sa", u"Sanskrit"],
    [u"si", u"Sinhala"],
    [u"sk", u"Slovak"],
    [u"sl", u"Slovenian"],
    [u"se", u"Northern Sami"],
    [u"sm", u"Samoan"],
    [u"sn", u"Shona"],
    [u"sd", u"Sindhi"],
    [u"so", u"Somali"],
    [u"st", u"Sotho, Southern"],
    [u"es", u"Spanish"],
    [u"sc", u"Sardinian"],
    [u"sr", u"Serbian"],
    [u"ss", u"Swati"],
    [u"su", u"Sundanese"],
    [u"sw", u"Swahili"],
    [u"sv", u"Swedish"],
    [u"ty", u"Tahitian"],
    [u"ta", u"Tamil"],
    [u"tt", u"Tatar"],
    [u"te", u"Telugu"],
    [u"tg", u"Tajik"],
    [u"tl", u"Tagalog"],
    [u"th", u"Thai"],
    [u"bo", u"Tibetan"],
    [u"ti", u"Tigrinya"],
    [u"to", u"Tonga (Tonga Islands)"],
    [u"tn", u"Tswana"],
    [u"ts", u"Tsonga"],
    [u"tk", u"Turkmen"],
    [u"tr", u"Turkish"],
    [u"tw", u"Twi"],
    [u"ug", u"Uighur"],
    [u"uk", u"Ukrainian"],
    [u"ur", u"Urdu"],
    [u"uz", u"Uzbek"],
    [u"ve", u"Venda"],
    [u"vi", u"Vietnamese"],
    [u"vo", u"Volapük"],
    [u"cy", u"Welsh"],
    [u"wa", u"Walloon"],
    [u"wo", u"Wolof"],
    [u"xh", u"Xhosa"],
    [u"yi", u"Yiddish"],
    [u"yo", u"Yoruba"],
    [u"za", u"Zhuang"],
    [u"zu", u"Zulu"]
)


### Apps only installed in some instances
OPTIONAL_APPS = (
    'mentoring',
    'problem_builder',
    'edx_sga',

    # edx-ora2
    'submissions',
    'openassessment',
    'openassessment.assessment',
    'openassessment.fileupload',
    'openassessment.workflow',
    'openassessment.xblock',

    # edxval
    'edxval',

    # edX Proctoring
    'edx_proctoring',

    # Organizations App (http://github.com/edx/edx-organizations)
    'organizations',

    # Enterprise Apps (http://github.com/edx/edx-enterprise)
    'enterprise',
    'integrated_channels.integrated_channel',
    'integrated_channels.sap_success_factors',
    # Required by the Enterprise App
    'django_object_actions',  # https://github.com/crccheck/django-object-actions
)

for app_name in OPTIONAL_APPS:
    # First attempt to only find the module rather than actually importing it,
    # to avoid circular references - only try to import if it can't be found
    # by find_module, which doesn't work with import hooks
    try:
        imp.find_module(app_name)
    except ImportError:
        try:
            __import__(app_name)
        except ImportError:
            continue
    INSTALLED_APPS += (app_name,)

### ADVANCED_SECURITY_CONFIG
# Empty by default
ADVANCED_SECURITY_CONFIG = {}

### External auth usage -- prefixes for ENROLLMENT_DOMAIN
SHIBBOLETH_DOMAIN_PREFIX = 'shib:'
OPENID_DOMAIN_PREFIX = 'openid:'

### Analytics Dashboard (Insights) settings
ANALYTICS_DASHBOARD_URL = ""
ANALYTICS_DASHBOARD_NAME = PLATFORM_NAME + " Insights"

# REGISTRATION CODES DISPLAY INFORMATION SUBTITUTIONS IN THE INVOICE ATTACHMENT
INVOICE_CORP_ADDRESS = "Please place your corporate address\nin this configuration"
INVOICE_PAYMENT_INSTRUCTIONS = "This is where you can\nput directions on how people\nbuying registration codes"

# Country code overrides
# Used by django-countries
COUNTRIES_OVERRIDE = {
    # Taiwan is specifically not translated to avoid it being translated as "Taiwan (Province of China)"
    "TW": "Taiwan",
    'XK': _('Kosovo'),
}

# which access.py permission name to check in order to determine if a course is visible in
# the course catalog. We default this to the legacy permission 'see_exists'.
COURSE_CATALOG_VISIBILITY_PERMISSION = 'see_exists'

# which access.py permission name to check in order to determine if a course about page is
# visible. We default this to the legacy permission 'see_exists'.
COURSE_ABOUT_VISIBILITY_PERMISSION = 'see_exists'


# Enrollment API Cache Timeout
ENROLLMENT_COURSE_DETAILS_CACHE_TIMEOUT = 60


OAUTH_ID_TOKEN_EXPIRATION = 60 * 60

# These tabs are currently disabled
NOTES_DISABLED_TABS = ['course_structure', 'tags']

# Configuration used for generating PDF Receipts/Invoices
PDF_RECEIPT_TAX_ID = 'add here'
PDF_RECEIPT_FOOTER_TEXT = 'add your own specific footer text here'
PDF_RECEIPT_DISCLAIMER_TEXT = 'add your own specific disclaimer text here'
PDF_RECEIPT_BILLING_ADDRESS = 'add your own billing address here with appropriate line feed characters'
PDF_RECEIPT_TERMS_AND_CONDITIONS = 'add your own terms and conditions'
PDF_RECEIPT_TAX_ID_LABEL = 'Tax ID'
PDF_RECEIPT_LOGO_PATH = PROJECT_ROOT + '/static/images/openedx-logo-tag.png'
# Height of the Logo in mm
PDF_RECEIPT_LOGO_HEIGHT_MM = 12
PDF_RECEIPT_COBRAND_LOGO_PATH = PROJECT_ROOT + '/static/images/logo.png'
# Height of the Co-brand Logo in mm
PDF_RECEIPT_COBRAND_LOGO_HEIGHT_MM = 12

# Use None for the default search engine
SEARCH_ENGINE = None
# Use LMS specific search initializer
SEARCH_INITIALIZER = "lms.lib.courseware_search.lms_search_initializer.LmsSearchInitializer"
# Use the LMS specific result processor
SEARCH_RESULT_PROCESSOR = "lms.lib.courseware_search.lms_result_processor.LmsSearchResultProcessor"
# Use the LMS specific filter generator
SEARCH_FILTER_GENERATOR = "lms.lib.courseware_search.lms_filter_generator.LmsSearchFilterGenerator"
# Override to skip enrollment start date filtering in course search
SEARCH_SKIP_ENROLLMENT_START_DATE_FILTERING = False

### PERFORMANCE EXPERIMENT SETTINGS ###
# CDN experiment/monitoring flags
CDN_VIDEO_URLS = {}

# Page onload event sampling rate (min 0.0, max 1.0)
ONLOAD_BEACON_SAMPLE_RATE = 0.0

# The configuration visibility of account fields.
ACCOUNT_VISIBILITY_CONFIGURATION = {
    # Default visibility level for accounts without a specified value
    # The value is one of: 'all_users', 'private'
    "default_visibility": "all_users",

    # The list of all fields that can be shared with other users
    "shareable_fields": [
        'username',
        'profile_image',
        'country',
        'time_zone',
        'language_proficiencies',
        'bio',
        'account_privacy',
        # Not an actual field, but used to signal whether badges should be public.
        'accomplishments_shared',
    ],

    # The list of account fields that are always public
    "public_fields": [
        'username',
        'profile_image',
        'account_privacy',
    ],

    # The list of account fields that are visible only to staff and users viewing their own profiles
    "admin_fields": [
        "username",
        "email",
        "date_joined",
        "is_active",
        "bio",
        "country",
        "profile_image",
        "language_proficiencies",
        "name",
        "gender",
        "goals",
        "year_of_birth",
        "level_of_education",
        "mailing_address",
        "requires_parental_consent",
        "account_privacy",
        "accomplishments_shared",
    ]
}

# E-Commerce API Configuration
ECOMMERCE_PUBLIC_URL_ROOT = None
ECOMMERCE_API_URL = None
ECOMMERCE_API_TIMEOUT = 5
ECOMMERCE_SERVICE_WORKER_USERNAME = 'ecommerce_worker'

COURSE_CATALOG_API_URL = None

CREDENTIALS_INTERNAL_SERVICE_URL = None
CREDENTIALS_PUBLIC_SERVICE_URL = None

# Reverification checkpoint name pattern
CHECKPOINT_PATTERN = r'(?P<checkpoint_name>[^/]+)'

# For the fields override feature
# If using FEATURES['INDIVIDUAL_DUE_DATES'], you should add
# 'courseware.student_field_overrides.IndividualStudentOverrideProvider' to
# this setting.
FIELD_OVERRIDE_PROVIDERS = ()

# Modulestore-level field override providers. These field override providers don't
# require student context.
MODULESTORE_FIELD_OVERRIDE_PROVIDERS = ()

# PROFILE IMAGE CONFIG
# WARNING: Certain django storage backends do not support atomic
# file overwrites (including the default, OverwriteStorage) - instead
# there are separate calls to delete and then write a new file in the
# storage backend.  This introduces the risk of a race condition
# occurring when a user uploads a new profile image to replace an
# earlier one (the file will temporarily be deleted).
PROFILE_IMAGE_BACKEND = {
    'class': 'storages.backends.overwrite.OverwriteStorage',
    'options': {
        'location': os.path.join(MEDIA_ROOT, 'profile-images/'),
        'base_url': os.path.join(MEDIA_URL, 'profile-images/'),
    },
}