from datetime import date, time

NO_TITLE = u"__NO_TITLE__"
NO_AUTHOR_NAME = 'None'
NO_CATEGORY_NAME = 'None'
NON_EXISTENT_ARTICLE_TITLE = 'NON_EXISTENT'
NO_DATE = date(1970, 01, 01)
NO_TIME = time(0, 0)
GHOST_LINK_TITLE = u"__GHOST_LINK__"
GHOST_LINK_URL = u"__GHOST_LINK__"
PAYWALLED_CONTENT = u"__PAYWALLED__"
RENDERED_STORIFY_TITLE = u"__RENDERED_STORIFY__"
RENDERED_TWEET_TITLE = u"__RENDERED_TWEET__"
EMBEDDED_VIDEO_TITLE = u"__EMBEDDED_VIDEO_TITLE__"
EMBEDDED_VIDEO_URL = u"__EMBEDDED_VIDEO_URL__"
NO_URL = u"__NO_URL__"
UNFINISHED_TAG = u"unfinished"
GHOST_LINK_TAG = u"ghost link"