[Python] Django Rest viewsets.ModelViewSet form view dynamic update choices list field from...

file models.py

ANIMATIONS_ACTIONS = (
('0', _('Stop animations')),
('1', _('Start animations')),
('2', _('Restart animations')),
('3', _('Suspend animations')),
('4', _('Unload animation module')),
('5', _('Load animation module')),
('6', _('Reload animation module')),
('7', _('Launch animation module')),
('8', _('Display animation module')),
)

class Animation(models.Model):
created_at = models.DateTimeField(auto_now_add=True, editable=False)
modified_at = models.DateTimeField(auto_now=True, editable=False)
created_by = models.ForeignKey(settings.AUTH_USER_MODEL,
null=True, db_index=True, editable=False,
on_delete=models.SET_NULL, related_name="%(class)s_created")
modified_by = models.ForeignKey(settings.AUTH_USER_MODEL,
null=True, db_index=True, editable=False,
on_delete=models.SET_NULL, related_name="%(class)s_modified")
animation_module_name = models.CharField(max_length=128, blank=True)
animation_action = models.CharField(max_length=1, choices=ANIMATIONS_ACTIONS)

class Meta:
"""Class Meta"""
verbose_name = _("Animation's Action")
verbose_name_plural = _("Admin Animation")
ordering = ["-created_at"]`


file serializers.py

class AnimationSerializer(serializers.ModelSerializer):
class Meta:
model = Animation
fields = '__all__'
def create(self, validated_data):
match validated_data['animation_action']:
case '0':
…
case '1':
…
case '2':
…
case '3':
…
case '4':
if validated_data['animation_module_name']:
…
case '5':
if validated_data['animation_module_name']:
…
case '6':
if validated_data['animation_module_name']:
…
case '7':
if validated_data['animation_module_name']:
…
case '8':
if validated_data['animation_module_name']:
…
return super().create(validated_data)


file views.py

class AnimationViewSet(viewsets.ModelViewSet):
serializer_class = AnimationSerializer
queryset = Animation.objects.all()


How can I update the animation_module_name field choice list (return function with the selected value of the animation action) to reflect the value of the animation_action field change in the view created? Like JavaScript onchange does ...

I tried a lot of things, but I need to post the result before Django does the things. I need to update the widget with the select list choice from animation_action.

Continue reading...