flask-mongoengine-tutorial.py

# http://docs.mongoengine.org/tutorial.html
from mongoengine import *

db = connect('tumblelog')
db.drop_database('tumblelog') 


##################


class User(Document):
    email = StringField(required=True)
    first_name = StringField(max_length=50)
    last_name = StringField(max_length=50)  


##################

class Comment(EmbeddedDocument):
    content = StringField()
    name = StringField(max_length=120)    
    
##################

class Post(Document):
    title = StringField(max_length=120, required=True)
    author = ReferenceField(User)
    tags = ListField(StringField(max_length=30))
    comments = ListField(EmbeddedDocumentField(Comment))

    meta = {'allow_inheritance': True}

class TextPost(Post):
    content = StringField()

class ImagePost(Post):
    image_path = StringField()

class LinkPost(Post):
    link_url = StringField()
    
    
##################
    
    
    
ross = User(email='[email protected]', first_name='Ross', last_name='Lawley').save()
ross['last_name'] = 'changed'
print(ross.id)
ross.save()

for user in User.objects:
    print (user.first_name)    
    
    
post1 = TextPost(title='Fun with MongoEngine', author=ross)
post1.content = 'Took a look at MongoEngine today, looks pretty cool.'
post1.tags = ['mongodb', 'mongoengine']
post1.save()

post2 = LinkPost(title='MongoEngine Documentation', author=ross)
post2.link_url = 'http://docs.mongoengine.com/'
post2.tags = ['mongoengine']
post2.save()
    
for post in Post.objects(tags='mongodb'):
    print (post.title)