Async support for a range of databases
Project description
Muffin-Databases – Async support for a range of databases for Muffin Framework
Requirements
python >= 3.7
Installation
Muffin-Databases should be installed using pip:
$ pip install muffin-databases
Optionally you can install the required database drivers with:
$ pip install muffin-databases[sqlite] $ pip install muffin-databases[postgres] $ pip install muffin-databases[mysql]
Driver support is provided using one of asyncpg, aiomysql, or aiosqlite.
Usage
Setup the plugin and connect it into your app:
from muffin import Application
from muffin_databases import Plugin as DB
# Create Muffin Application
app = Application('example')
# Initialize the plugin
# As alternative: db = DB(app, **options)
db = DB(url='sqlite:///db.sqlite')
db.setup(app)That’s it now you are able to use the plugin inside your views:
@app.route('/items', methods=['GET'])
async def get_items(request):
"""Return a JSON with items from database."""
rows = await db.fetch_all('SELECT * from items')
return [dict(row.items()) for row in rows]
@app.route('/items', methods=['POST'])
async def insert_item(request):
"""Store an item into database."""
data = await request.data() # parse formdata/json from the request
await db.execute_many('INSERT INTO items (name, value) VALUES (:name, :value)', values=data)
return 'OK'The Muffin-Databases plugin is based on databases. See the databases’s docs for further references.
Options
Name |
Default value |
Desctiption |
url |
"sqlite:///db.sqlite" |
A database connection URL |
params |
{} |
A database connection params |
You are able to provide the options when you are initiliazing the plugin:
db.setup(app, url='postgresql://localhost/example', params={'ssl': True, 'min_size': 5, 'max_size': 20})Or setup it from Muffin.Application configuration using the DATABASES_ prefix:
DATABASES_URL = 'postgresql://localhost/example'Muffin.Application configuration options are case insensitive
Bug tracker
If you have any suggestions, bug reports or annoyances please report them to the issue tracker at https://github.com/klen/muffin-databases/issues
Contributing
Development of Muffin-Databases happens at: https://github.com/klen/muffin-databases
Contributors
klen (Kirill Klenov)
License
Licensed under a MIT license.
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