Fixed IndexError with Django 4.1

[macmichael01]

Fix for issue #131.

[dennybiasiolli]

Great job!

[girardinsamuel]

Nice !
Do you know if this project is actively maintained anymore ? When could we expect a release compatible with 4.1 ?

Thank you very much for your work 👍

[dennybiasiolli]

We might need to ask @goinnn if the project is actively maintained or if he needs help maintaining it 😉

[Fabfm4]

Hi! @macmichael01! I have the same stopper to migrate my application to 4.1.1 version, The way that I could resolve without this change was add max_length as parameter, some like this: MultiSelectField(max_length=100.... The value that you assign in max_length doesnt care because inside the code it will be replaced.

Now I have a suggenstion. Whay do you think if it assigns the max _length in the kwargs dictionary before to call super() method? It leave the responsability to assign this value in django field class:

This is the line where django assigns that validation: https://github.com/django/django/blob/main/django/db/models/fields/__init__.py#L1119

The code can look like:

def __init__(self, *args, **kwargs):
    self.min_choices = kwargs.pop('min_choices', None)
    self.max_choices = kwargs.pop('max_choices', None)
    choices = kwargs.get('kwargs', None)
    kwargs.update({'max_length': get_max_length(choices, None)})
    super(MultiSelectField, self).__init__(*args, **kwargs)
    if self.min_choices is not None:
        self.validators.append(MinChoicesValidator(self.min_choices))
    if self.max_choices is not None:
        self.validators.append(MaxChoicesValidator(self.max_choices))

[Afani97]

@macmichael01 Any chance this can get reviewed and merged?

[sar009]

Please merge this PR and release the bug fix

[sar009]

@macmichael01 @goinnn please merge the PR. We have to do some Django upgrades and the plugin is blocking us.

[clhVEGAS]

Does this need the condition that it is only appended if there are no other validators declared? Or would simply just appending it be a bit better so that it doesn't get left out.

[sewagodimo]

still experiencing this issue:)

[blag]

Fixed in #148.