Alamet.py

## SETTINGS 
MEDIA_URL = '/media/'
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

## MODEL
from django.db import models
from django.utils.translation import ugettext_lazy as _


class Logo(models.Model):
    class Meta:
        verbose_name = "Müşteri Logosu"
        verbose_name_plural = "Müşteri Logoları"

    LOGO_TYPE_CHOICES = (
        ('P', 'Partner'),
        ('C', 'Müşteri'),
        ('U', 'Sınıflandırılmamış'),
    )

    type = models.CharField(_('Müşteri Türü'), max_length=1, choices=LOGO_TYPE_CHOICES, default="C")
    createdAt = models.DateTimeField(_('Oluşturulma Tarihi'), auto_now_add=True)
    company_name = models.CharField(_('Firma Adı'), max_length=100, blank=False)
    logo = models.ImageField(_('Şirket Logosu'), upload_to='landing/logos/')
    is_landing_visible = models.BooleanField(_('Anasayfa Aktif'), default=False)

    def __str__(self):
        return self.company_name + ' - ' + self.type


## URLS

from django.urls import path
from landing import views

urlpatterns = [
    path('logos/landingpage/visible', views.retrieve_landing_page_logos),
]

## VIEWS

from rest_framework import status, generics, mixins, permissions, viewsets
from rest_framework.response import Response
from rest_framework.decorators import api_view, permission_classes

from landing.models import Logo

from landing.serializers import retrieve_logo_serializers

@api_view(['GET'])
@permission_classes((permissions.AllowAny,))
def retrieve_landing_page_logos(request):
    if request.method == 'GET':
        try:
            logos = Logo.objects.filter(is_landing_visible=True).all()
            data = []
            for logo in logos:
                data.append(retrieve_logo_serializers(logo))
            return Response(data, status=status.HTTP_200_OK)
        except Logo.DoesNotExist:
            return Response(status=status.HTTP_404_NOT_FOUND)


## SERIALIZERS
from rest_framework import serializers


def retrieve_logo_serializers(instance):
    data = {
        'type': instance.type,
        'company_name': instance.company_name,
        'logo': instance.logo,
        'is_landing_visible': instance.is_landing_visible,
    }

    return data