sanic-pw 0.2.0

Peewee ORM integration for Sanic framework

# Sanic-PW

A port of the [Flask-PW](https://github.com/klen/flask-pw) package for [Sanic framework](https://github.com/channelcat/sanic).

# Features
- Configuring Peewee ORM like in Flask with SQLAlchemy
- Migrate commands (create, rollback, etc.) via:
- using commands as a part of Sanic-Script
- click CLI
- Pre- and post-signals support for saving and deleting

# Requirements
- Python 3.6+ (older not tested)

# Dependency note
For using the 2nd version of Peewee ORM, please use `sanic-pw==0.1.0`.

# Using
## Installing
For installing Sanic-PW use the following command:
```
pip install sanic-pw
```

## List of available settings
| Config parameter | Description | Default value |
|------------------|-------------|----------------|
| PEEWEE_DATABASE_URI | A connection URI | `'sqlite:///peewee.sqlite'` |
| PEEWEE_CONNECTION_PARAMS | Connection parameters for Peewee ORM | `{}` |
| PEEWEE_MIGRATE_DIR | Path to directory with migrations | `'migrations'` |
| PEEWEE_MIGRATE_TABLE | Name of database table with migrations | `'migratehistory'` |
| PEEWEE_MODELS_MODULE | Path to module which contains you applications' Models | `''` |
| PEEWEE_MODELS_IGNORE | Models which should be ignored in migrations | `[]` |
| PEEWEE_MODELS_CLASS | Base models class | `<sanic_pw.Model>` |
| PEEWEE_MANUAL | Don't connect to db when request starts and close when it ends automatically | `False` |
| PEEWEE_USE_READ_SLAVES | Use database slaves for reading data when coming `SELECT ...` queries | `True` |
| PEEWEE_READ_SLAVES | A list of nodes which can be used for reading | `[]` |

## Migrations
If you're using the Sanic-Script package, then append a new command to your manager:
```python
from sanic_pw import Peewee

# ...
app.db = Peewee(app)

manager = Manager(app)
manager.add_command('db', app.db.manager)
```
For a case when you're prefer to use click it almost the same:
```python
from sanic_pw import Peewee

# ...
app.db = Peewee(app)
app.db.cli()
```
After it, you can use database `create`, `migrate` or `rollback` commands.