[Answered ]-Django ChoiceField make only one choice readonly

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You can disable the field by setting the disabled attribute [Django-doc] to True:

form.fields['groups'].queryset = models.Group.objects.all()
form.fields['groups'].initial = models.Group.objects.filter(is_default=True)
form.fields['groups'].disabled = True

If you set this while constructing the form (in the __init__ method), it will also prevent people from making "forged" POST requests with a different value. In other words: this does not only disables the field at the browsers client, but also prevents malicious requests.

👤willeM_ Van Onsem

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