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Django model choices as Enum

License: MIT License

Python 94.06% Shell 5.94%

django django-models enum python python3

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django-echoices's Issues

Override Enum.repr and Enum.str

To print the value and labelof the EChoice

Internal type

Set internal type to EChoiceField.

License forbids usage by many projects

Most of Python's libraries are BSD/MIT licensed for a reason: we can freely use each others code.

This project is GPLv3 licensed, meaning any project that uses this library MUST published under GPLv3 too. I also have to open all my website and application sources by using this library. Is this wat you consciously intended, or was that an accidental mistake?

Since we're the only copyright holders of this project, you can still freely change the license if you wish.

Override EnumMeta.call

To support the additional label attribute.

This should allow to define EChoices on the fly.

TypeError: unhashable type: 'EOrderedChoice'

Occurs when wanting to manually add a new object through the admin (while accessing someobject/add/).

Traceback (most recent call last):
[...]
  File "/usr/local/lib/python3.5/site-packages/django/template/defaulttags.py", line 315, in render
    return nodelist.render(context)
  File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 994, in render
    bit = node.render_annotated(context)
  File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 961, in render_annotated
    return self.render(context)
  File "/usr/local/lib/python3.5/site-packages/django/template/defaulttags.py", line 315, in render
    return nodelist.render(context)
  File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 994, in render
    bit = node.render_annotated(context)
  File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 961, in render_annotated
    return self.render(context)
  File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 1044, in render
    output = self.filter_expression.resolve(context)
  File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 711, in resolve
    obj = self.var.resolve(context)
  File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 852, in resolve
    value = self._resolve_lookup(context)
  File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 915, in _resolve_lookup
    current = current()
  File "/usr/local/lib/python3.5/site-packages/django/contrib/admin/helpers.py", line 227, in contents
    result_repr = display_for_field(value, f, self.empty_value_display)
  File "/usr/local/lib/python3.5/site-packages/django/contrib/admin/utils.py", line 387, in display_for_field
    return dict(field.flatchoices).get(value, empty_value_display)
TypeError: unhashable type: 'EOrderedChoice'

Override other EnumMeta methods

__call__
__getattr__
__setattr__

Move doc out of README

Initial Update

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Once you have closed it, the bot will open pull requests for updates as soon as they are available.

Override default validation error message

Publish on RTFD

Initial Update

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Once you have closed it, the bot will open pull requests for updates as soon as they are available.

Live tests

Forms
admin/publications_bootstrap/publication/?status__exact=[value]

Initial choice is not set as selected in the form

When displaying a form field with initial data (like in the admin), the EChoice is not selected.

TypeError: unorderable types: EOrderedChoice() < int()

When using an IntegerField, a validation is made that requires integer comparison. But comparison with non-EOrderedChoices is not yet supported.

MultipleEChoiceField

Support multiple selection using django-multiselectfield

EChoiceField

merge CharEChoiceField and IntegerEChoiceField

Show label in admin model change list

The value/label of the EChoice is not shown, but '-' instead.

Potential Traceback:

[...]
File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 852, in resolve
File "/usr/local/lib/python3.5/site-packages/django/contrib/admin/helpers.py", line 227, in contents
File "/usr/local/lib/python3.5/site-packages/django/contrib/admin/utils.py", line 387, in display_for_field
def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon
    if getattr(field, 'flatchoices', None):
         return dict(field.flatchoices).get(value, empty_value_display)

where

value = <EChoice.NAME: value>
field = <echoices.fields.EChoiceField: field_name>
field.flatchoices = [(value, 'label')]
empty_value_display = django.utils.safestring.SafeText('-')

Support EChoice in templates

http://stackoverflow.com/questions/35953132/how-to-access-enum-types-in-django-templates

ValueError: invalid literal for int() with base 10: ''

Traceback (most recent call last):
[...]
  File "/usr/local/lib/python3.5/site-packages/django/forms/forms.py", line 169, in is_valid
    return self.is_bound and not self.errors
  File "/usr/local/lib/python3.5/site-packages/django/forms/forms.py", line 161, in errors
    self.full_clean()
  File "/usr/local/lib/python3.5/site-packages/django/forms/forms.py", line 372, in full_clean
    self._post_clean()
  File "/usr/local/lib/python3.5/site-packages/django/forms/models.py", line 398, in _post_clean
    self.instance.full_clean(exclude=exclude, validate_unique=False)
  File "/usr/local/lib/python3.5/site-packages/django/db/models/base.py", line 1210, in full_clean
    self.clean_fields(exclude=exclude)
  File "/usr/local/lib/python3.5/site-packages/django/db/models/base.py", line 1252, in clean_fields
    setattr(self, f.attname, f.clean(raw_value, self))
  File "/usr/local/lib/python3.5/site-packages/django/db/models/fields/__init__.py", line 592, in clean
    self.run_validators(value)
  File "/usr/local/lib/python3.5/site-packages/django/db/models/fields/__init__.py", line 538, in run_validators
    if value in self.empty_values:
  File "/usr/local/lib/python3.5/site-packages/echoices/enums.py", line 252, in __eq__
    return self.value == self.coerce(other)
  File "/usr/local/lib/python3.5/site-packages/echoices/enums.py", line 231, in coerce
    return cls.__value_type_(other)
ValueError: invalid literal for int() with base 10: ''

Traceback (most recent call last):
[...]
  File "/usr/local/lib/python3.5/site-packages/django/forms/forms.py", line 169, in is_valid
    return self.is_bound and not self.errors
  File "/usr/local/lib/python3.5/site-packages/django/forms/forms.py", line 161, in errors
    self.full_clean()
  File "/usr/local/lib/python3.5/site-packages/django/forms/forms.py", line 372, in full_clean
    self._post_clean()
  File "/usr/local/lib/python3.5/site-packages/django/forms/models.py", line 398, in _post_clean
    self.instance.full_clean(exclude=exclude, validate_unique=False)
  File "/usr/local/lib/python3.5/site-packages/django/db/models/base.py", line 1210, in full_clean
    self.clean_fields(exclude=exclude)
  File "/usr/local/lib/python3.5/site-packages/django/db/models/base.py", line 1252, in clean_fields
    setattr(self, f.attname, f.clean(raw_value, self))
  File "/usr/local/lib/python3.5/site-packages/django/db/models/fields/__init__.py", line 592, in clean
    self.run_validators(value)
  File "/usr/local/lib/python3.5/site-packages/django/db/models/fields/__init__.py", line 538, in run_validators
    if value in self.empty_values:
  File "/usr/local/lib/python3.5/site-packages/echoices/enums.py", line 251, in __eq__
    return self.value == self.coerce(other)
  File "/usr/local/lib/python3.5/site-packages/echoices/enums.py", line 231, in coerce
    return cls.__value_type_(other)
TypeError: int() argument must be a string, a bytes-like object or a number, not 'NoneType'