'Store cache of image in cache dir
:param image_url: Source URL'

def cache_image(self, image_url):

    path = os.path.abspath(os.path.join(sickrage.CACHE_DIR, u'images', u'imdb_popular'))
    if (not os.path.exists(path)):
        os.makedirs(path)
    full_path = os.path.join(path, os.path.basename(image_url))
    if (not os.path.isfile(full_path)):
        sickrage.srCore.srWebSession.download(image_url, full_path)
