'Get files that exist in right, but not in left. These
are files that have been deleted between the two versions.
Every element will be marked as a diff.'

def get_deleted_files(self):

    different = OrderedDict()
    left_files = self.left.get_files()
    right_files = self.right.get_files()
    for (key, file) in right_files.items():
        if (key not in left_files):
            copy = right_files[key]
            copy.update({'url': self.get_url(file['short']), 'diff': True})
            different[key] = copy
    return different
