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Project Description

SQLAlchemy-Enum34

This package provides a SQLAlchemy type to store values of standard enum.Enum (which became a part of standard library since Python 3.4). Its internal representation is equivalent to SQLAlchemy’s built-in sqlalchemy.types.Enum, but its Python representation is not a str but enum.Enum.

Note that this works on Python 2.6 as well as 3.4, the latest version of Python, through enum34 package.

The following example shows how enum-typed columns can be declared:

import enum

from sqlalchemy import Column, Integer
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy_enum34 import EnumType

Base = declarative_base()

class Color(enum.Enum):
    black = 'black'
    white = 'white'
    navy = 'navy'
    red = 'red'

class Size(enum.Enum):
    small = 'S'
    medium = 'M'
    large = 'L'
    xlarge = 'XL'

class Shirt(Base):
    id = Column(Integer, primary_key=True)
    color = Column(EnumType(Color), nullable=False)
    size = Column(EnumType(Size, name='shirt_size'), nullable=False)

And the following REPL session shows how these columns work:

>>> shirt = session.query(Shirt).filter(Shift.color == Color.navy).first()
>>> shirt.color
<Color.navy: 'navy'>
>>> shirt.size
<Size.large: 'large'>

Written by Hong Minhee at Spoqa, and distributed under MIT license.

Changelog

1.0.1

Released on August 7, 2015.

  • Fixed that sqlalchemy_enum34.Enum didn’t allow nullability. [#1 by Andrés Moya]

1.0.0

First version. Released on July 30, 2015.

Release History

Release History

1.0.1

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1.0.0

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SQLAlchemy_Enum34-1.0.1-py2.py3-none-any.whl (5.4 kB) Copy SHA256 Checksum SHA256 2.7 Wheel Aug 7, 2015
SQLAlchemy-Enum34-1.0.1.tar.gz (3.6 kB) Copy SHA256 Checksum SHA256 Source Aug 7, 2015

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