mongoEngine.py

from mongoengine import *
connect('mongoengine_test', host='localhost', port=27017)

#Defining a document
import datetime

class Post(Document):
    title = StringField(required=True, max_length=200)
    content = StringField(required=True)
    author = StringField(required=True, max_length=50)
    published = DateTimeField(default=datetime.datetime.now)

#Saving the Document
post_1 = Post(
    title='Sample Post',
    content='Some engaging content',
    author='Scott'
)
post_1.save()       # This will perform an insert
print(post_1.title)
post_1.title = 'A Better Post Title'
post_1.save()       # This will perform an atomic edit on "title"
print(post_1.title)

post_2 = Post(content='Content goes here', author='Michael')
post_2.title = 'Title updated'
post_2.save()
print(post_2)