Lorm: A light weight mysql client library.
.. image:: https://img.shields.io/pypi/v/lorm.svg
:target: https://pypi.python.org/pypi/lorm
Lorm is a light weight mysql client library for Python.
Built-in connection pool, Django style lookup expressions.
Installation
The last stable release is available on PyPI and can be installed with pip
::
$ pip install lorm
Example
.. code:: sql
CREATE TABLE `pets` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`name` varchar(20) NOT NULL DEFAULT '',
`add_time` datetime DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
Connect to Mysql
.. code:: python
>>> import pymysql
>>> import lorm
>>> db = lorm.Hub(pymysql)
>>> db.add_pool('default', host='localhost', port=3306, user='root',
passwd='root', db='test', autocommit=True, pool_size=8, wait_timeout=30)
Insert
.. code:: python
>>> db.default.pets.create(name='cat')
1
Query
.. code:: python
>>> db.default.pets.get(id=1)
{u'id': 2, u'name': u'cat'}
Row Style
.. code:: python
>>> db.default.pets.filter(id__lt=10).select('id')[:]
[{u'id': 1}, {u'id': 2}, {u'id': 4}, {u'id': 5}, {u'id': 6}, {u'id': 7}, {u'id': 8}, {u'id': 9}]
>>> db.default.pets.filter(id__lt=10).values('id')[:]
((1,), (2,), (4,), (5,), (6,), (7,), (8,), (9,))
>>> db.default.pets.filter(id__lt=10).flat('id')[:]
[1, 2, 4, 5, 6, 7, 8, 9]
Raw SQL
.. code:: python
>>> db.default.fetchall("select * from pets")
((1, u'cat'), (2, u'dog'), (3, u'bird'))
Transaction
.. code:: python
>>> with db.default as c:
>>> print c.pets.create(name='fish')
For more examples, see example.py <https://github.com/zii/lorm/blob/master/example.py>
_
Features
- Built-in Connection pool
- Django style lookup expressions
- Concurrent safe
- Gevent friendly
- Dynamically driver