maya-chen/flask
1
0
Fork 0
forked from orbit-oss/flask
Code Pull requests Activity

Improved documentation for model registration

Browse source
This commit is contained in:
Armin Ronacher 2011-01-13 22:18:49 +01:00
parent 9ae4eba986
commit 24c1713ff5
1 changed files with 9 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

9
docs/patterns/sqlalchemy.rst
View file

@ -47,6 +47,10 @@ Here the example `database.py` module for your application::
Base.query = db_session.query_property() Base.query = db_session.query_property()
def init_db(): def init_db():
# import all modules here that might define models so that
# they will be registered properly on the metadata. Otherwise
# you will have to import them first before calling init_db()
import yourapplication.models
Base.metadata.create_all(bind=engine) Base.metadata.create_all(bind=engine)
To define your models, just subclass the `Base` class that was created by To define your models, just subclass the `Base` class that was created by
@ -84,6 +88,11 @@ Here is an example model (put this into `models.py`, e.g.)::
def __repr__(self): def __repr__(self):
return '<User %r>' % (self.name) return '<User %r>' % (self.name)
To create the database you can use the `init_db` function:
>>> from yourapplication.database import init_db
>>> init_db()
You can insert entries into the database like this: You can insert entries into the database like this:
>>> from yourapplication.database import db_session >>> from yourapplication.database import db_session