gistfile1.py

class Post(object):

    def __init__(self, *args, **kwargs):
        self.created_time = kwargs.pop("created_time")
        self.author = kwargs.pop("from")["name"]
        self.message = kwargs.pop("message", "")
        self.link_url = kwargs.pop("link", "")
        self.picture_url = kwargs.pop("picture", "")
        self.description = kwargs.pop("description", "")
        self.is_comment = kwargs.pop("is_comment", False)
        if "comments" in kwargs:
            self.comments = self.get_comments(kwargs.pop("comments")["data"])
        super(Post, self).__init__()

    @property
    def created_on(self):
        created = self.created_time.partition("+")[0]
        dt = datetime.strptime(created, "%Y-%m-%dT%H:%M:%S")
        return dt

    @property
    def latest_comment(self):
        if not self.comments:
            return None
        return max(self.comments, key=lambda x: x.created_on)