hello Members,
I am working on some POC for django rest framework. Its very simple setup,
nothing complicated. While I was doing my testing I am facing below error:
===================================
TypeError at /api/status/
Object of type 'ListSerializer' is not JSON serializable
| Request Method: | GET |
| Request URL: | http://127.0.0.1:8000/api/status/ |
| Django Version: | 1.11.8 |
| Exception Type: | TypeError |
| Exception Value: | Object of type 'ListSerializer' is not JSON serializable |
| Exception Location: | /usr/lib/python3.6/json/encoder.py in default, line 180
|
| Python Executable: | /root/PycharmProjects/vrest/bin/python |
| Python Version: | 3.6.5 |
| Python Path: | ['/root/PycharmProjects/src',
'/usr/local/buildtools/current/sitecustomize',
'/usr/lib/python36.zip',
'/usr/lib/python3.6',
'/usr/lib/python3.6/lib-dynload',
'/root/PycharmProjects/vrest/lib/python3.6/site-packages'] |
| Server time: | Mon, 8 Jul 2019 16:03:26 +0000 |
===================================Below are the details
:-----------------------------serializers.pyfrom rest_framework import
serializers
from STATUS.models import Status
class StatusSerializer(serializers.ModelSerializer):
class Meta:
model = Status
fields = [
'user',
'content',
'image'
]
def validate_content(self, value):
if len(value) > 500:
raise serializers.ValidationError("way too long string")
def validate(self, data):
content = data.get('content', None)
if content =='':
content = None
image = data.get('image', None)
if content is None and image is None:
raise serializers.ValidationError('Required fields')
return data
models.py-------------from django.db import models
from django.conf import settings
def upload_status_image(instance, filename):
return "updates/{user}/{filename}" .format(user=instance.user,
filename=filename)
class StatusQuerySet(models.QuerySet):
pass
class StatusManager(models.Manager):
def get_queryset(self):
return StatusQuerySet(self.model, using=self._db)
class Status(models.Model):
user = models.ForeignKey(settings.AUTH_USER_MODEL)
content = models.TextField(null=True, blank=True)
image = models.ImageField(upload_to=upload_status_image)
updated = models.DateTimeField
timestamp = models.DateTimeField(auto_now_add=True)
objects = StatusManager()
def __str__(self):
return str(self.content)[:50]
class Meta:
verbose_name = 'status post'
verbose_name_plural = 'status posts'views.py
from django.views.generic import View
from rest_framework.views import APIView
from rest_framework.response import Response
from .serializers import StatusSerializer
from STATUS.models import Status
class StatusListSearchAPIView(APIView):
permission_classes = []
authentication_classes = []
def get(self, request, format=None):
qs = Status.objects.all()
serializer = StatusSerializer(qs, many=True)
return Response(serializer)forms.py
from django import forms
from .models import Status
class StatusForm(forms.ModelForm):
class Meta:
model = Status
fields = [
'user',
'content',
'image'
]
def clean_content(self, *args, **kwargs):
content = self.cleaned_data.get('content')
if len(content) > 240:
raise forms.ValidationError('Content is too long')
return content
def clean(self, *args, **kwargs):
data = self.cleaned_data
content = data.get('content', None)
if content == '':
content = None
image = data.get('image', None)
if content is None and image is None:
raise forms.ValidationError('Content or image is required..')
return super().clean(*args, **kwargs)app.urls.py
from django.conf.urls import url, include
from django.contrib import admin
from .views import StatusListSearchAPIView
urlpatterns = [
url(r'^$', StatusListSearchAPIView.as_view()),
#url(r'^create/$', StatusCreateAPIView.as_view()),
#url(r'^(?P<id>.*)/$', StatusDetailAPIiew.as_view()),
#url(r'^(?P<id>.*)/update/$', StatusUpdateAPIView.as_view()),
#url(r'^(?P<id>.*)/update/$', StatusDeleteAPIView.as_view()),
]project.urls.py
from django.conf.urls import url, include
from django.contrib import admin
urlpatterns = [
url(r'^admin/', admin.site.urls),
url(r'api/status/', include('STATUS.API.urls')),
]Project Structure : attached with the email, if not found do let me know I
will re-attach
Project name: googleAPP name: STATUSdjango version : 1.11python
version : 3.6 djangorestframework : 3.9.4
Regards,
Amitesh Sahay
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