weppy tutorial

from weppy import App, session, now
from weppy.orm import Model, Field, belongs_to, has_many, Database
from weppy.tools import Auth
from weppy.tools.auth import AuthUser


class User(AuthUser):
    has_many('posts', 'comments')


class Post(Model):
    belongs_to('user')
    has_many('comments')

    title = Field()
    text = Field.text()
    date = Field.datetime()

    default_values = {
        'user': lambda: session.auth.user_id,
        'date': lambda: now
    }
    validation = {
        'title': {'presence': True},
        'text': {'presence': True}
    }
    fields_rw = {
        'user': False,
        'date': False
    }

class Comment(Model):
    belonds_to('user', 'post')

    text = Field.text()
    date = Field.datetime()

    default_values = {
        'user': lambda: session.auth.user_id,
        'date': lambda: now
    }
    validation = {
        'text': {'presence': True}
    }
    field_rw = {
        'user': False,
        'post': False,
        'date': False
    }


app = App(__name__)
app.config.auth.single_template = True
app.config.auth.registration_verification = True
app.config.auth.hmac_key = "MassiveDynamicRules"

db = Database(app, auto_migrate=True)
auth = Auth(app, db, user_model=User)
db.define_models(Post, Comment)

@app.command('setup')
def setup():
    user = User.create(
        email="walter@massivedynamics.com",
        first_name="Walter",
        last_name="Bishop",
        password="pocketuniverse"
    )
    admins = auth.create_group("admin")
    auth.add_membership(admins, user.id)
    db.commit()