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django-easyoptions 0.1.0

Easily create extra Meta option classes on forms

Easily add more Metaesque option classes to your Django forms, models and more.


Install using pip:

pip install django-easyoptions

It works with Django 1.4 and upwards.


To make use of Options in your class, define an Options class, and use one of the metaclass factories provided.

from django import forms
from django.utils import six
from easyoption.options import OptionsBase, form_option_factory

# Define your ``Option``\s container class
class ExtendedOptions(OptionsBase):
    def __init__(self, options):

        # Collect your options, supplying defaults as appropriate = options.pop('foo', None)
        self.frobnicate = options.pop('frobnicate', True)

        # Call the ``super().__init__()``, which ensures all options are
        # consumed.
        super(ExtraOption, self).__init__(options)

# Define your base class, using the options from ``_extendedoptions``
class ExtendedForm(six.with_metaclass(

    def __init__(self, **kwargs):
        super(ExtendedForm, self).__init__(**kwargs)

        if self._extendedoptions.frobnicate:

# Extend your base class, and define the ``ExtendedOptions`` for options
# for this specific implementation
class SpecificExtendedForm(ExtendedForm):
    class ExtendedOptions:
        foo = 'quux'



The main method that does all of the work is options.options_factory. It generates a new Metaclass that you should apply to your base class, allowing subclasses to define their own options. The method accepts four arguments:

A callable that processes options the options dict from the class. This is usually a class subclassing options.OptionsBase, but could be any callable as long as it returns some options structure.

The name of the attribute on the class where the options definition can be found.

Defaults to the options_processor.__name__, which works well with classes.


The name of the attribute where processed options will be stored.

Defaults to '_' + options_class_name.lower().


The base metaclass to extend. Many Django classes have metaclasses already, so if you’re adding options to class that already has a metaclass, you must supply it here for the class to work properly.

Defaults to type.


Calls options.options_factory with the metaclass already set to the metaclass for Django forms.


Calls options.options_factory with the metaclass already set to the metaclass for Django model forms.

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django-easyoptions-0.1.0.tar.gz (md5) Source 2014-06-19 3KB
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