from google.appengine.ext import ndb


class Photo(ndb.Model):
    name = ndb.StringProperty()
    blob_info_key = ndb.BlobKeyProperty()
    date_created = ndb.DateTimeProperty(auto_now_add=True)


class Album(ndb.Model):
    name = ndb.StringProperty()
    description = ndb.StringProperty()
    date_created = ndb.DateTimeProperty(auto_now_add=True)

from google.appengine.ext import ndb


class Photo(ndb.Model):
    name = ndb.StringProperty()
    blob_info_key = ndb.BlobKeyProperty()
    date_created = ndb.DateTimeProperty(auto_now_add=True)


class Album(ndb.Model):
    name = ndb.StringProperty()
    description = ndb.StringProperty()
    date_created = ndb.DateTimeProperty(auto_now_add=True)


class Comment(ndb.Model):
    author = ndb.StringProperty()
    text = ndb.StringProperty()
    date_created = ndb.DateTimeProperty(auto_now_add=True)

Add Comment Model for Photo and Album
Add Comment Model for Photo and Album
