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Simple library with flow in choices values for Django

Project description

Meta Choice with simple flow and rules

Build Status Coverage Status

Usage

from django.db import models
from django_choices_flow import Choices
from django_choices_flow.models import FlowIntegerField


class MyChoices(Choices):
    NEW = 1, 'New content' # 'New content' is the display text
    WAIT = 2, 'Wait'
    CANCELED = -1, 'Canceled'
    ERROR = -2, 'Error'
    INVOICED = 3, 'Invoiced'

    # set transaction rules
    NEW_RULES = [NEW, INVOICED, CANCELED, ERROR]
    WAIT_RULES = [CANCELED, ERROR, INVOICED]
    INVOICED_RULES = [CANCELED]


class Invoces(models.Model):
    """
    To use only choices
    """
    number = models.IntegerField()
    status = models.IntegerField(choices=MyChoices, default=MyChoices.NEW)

    def __unicode__(self):
        return self.number


class FlowInvoice(models.Model):
    """
    To validate flow in choices
    """
    number = models.IntegerField()
    status = FlowIntegerField(choices=MyChoices, default=MyChoices.NEW)

    def __unicode__(self):
        return self.number

Shell

>>> flow = FlowInvoice.objects.create(number=1234)
>>> flow.status
1
>>> flow.status = MyChoices.INVOICED
>>> flow.full_clean()
>>> flow.save()
>>> flow.status
3
>>> flow.status = MyChoices.WAIT
>>> flow.full_clean()
ValidationError: {'status': [u'Invalid choice: Wait']}

Developer

# download code
git clone git@github.com:valdergallo/django-choices-flow.git

# install developer packages
make

# check coverage
make coverage

# test project
make test

#clean extra content
make clean

#send package
make send_package

#test py2 and py3
tox

License type: FREEBSD
South: Support migrations
Python: python 2.7 and python 3.3
Version: 0.9.2
Tested in Django: 1.2.x; 1.3.x; 1.4.x; 1.5.x; 1.6.x; 1.7.x

Project details


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