How to display a boolean property in the django admin

Question

As we all know, displaying a method return value as boolean in the Django admin is easily done by setting the boolean attribute:

class MyMo         


        

Answer 1

You can create a decorator like this

from six.moves import reduce

def list_property(field_name, **kwargs):
    def _from_property(obj):
        rv = reduce(getattr, field_name.split("."), obj)
        return rv() if callable(rv) else rv

    for key, value in kwargs.items():
        setattr(_from_property, key, value)
    return _from_property

here are your model and admin definitions:

# model

class MyModel(models.Model):
    @property
    def is_something(self):
        if self.something == 'something':
            return True
        return False


# admin

class MyModelAdmin(admin.ModelAdmin):
    list_display = [list_property("is_something", boolean=True)]

for readonly fields in modeladmin you can use this decorator instead:

def field_property(field_name, **kwargs):
    def _from_property(admin, obj=None):
        if not obj:
            return None
        rv = reduce(getattr, field_name.split("."), obj)
        return rv() if callable(rv) else rv

    for key, value in kwargs.items():
        setattr(_from_property, key, value)
    return _from_property

# admin
class MyModelAdmin(admin.ModelAdmin):
    readonly_fields = ["is_something"]

    is_something = field_property("is_something", boolean=True)