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as I can use two in a meta model class, when I run it I get an error How I can use the models? It is an example of Django Rest
from rest_framework import serializers
from .models import Post,Miembros
class PostSerializer(serializers.HyperlinkedModelSerializer):
class Meta:
model = Post
fields = ('id', 'url', 'titulo', 'contenido','fecha_evento','fecha_evento','banner_grande','lugar')
model = Miembros
fields = '__all__'
TypeError at /api/posts/ The
fieldsoption must be a list or tuple. Got str. Request Method: GET Request URL: http://127.0.0.1:8000/api/posts/ Django Version: 1.8.3 Exception Type: TypeError Exception Value: Thefieldsoption must be a list or tuple. Got str. Exception Location: /home/root-master/restcosolg/cslg/local/lib/python2.7/site-packages/rest_framework/serializers.py in get_field_names, line 900 Python Executable: /home/root-master/restcosolg/cslg/bin/python Python Version: 2.7.6
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It serves the same point as using a Meta class object inside a Django model class, or a form class, etc. It's a standard pattern to attach configuration (metadata) to a set of fields that make up the model, form, or in this case, serializer.
Serializers in Django REST Framework are responsible for converting objects into data types understandable by javascript and front-end frameworks. Serializers also provide deserialization, allowing parsed data to be converted back into complex types, after first validating the incoming data.
Model Meta is basically the inner class of your model class. Model Meta is basically used to change the behavior of your model fields like changing order options,verbose_name, and a lot of other options. It's completely optional to add a Meta class to your model.
The model serializer is just the same as the above serializer in the sense that it does the same job, only that it builds the serializer based on the model, making the creation of the serializer easier than building it normally. So in other words, explicitly defining CRUD methods (get, post,...) is not required.
I know this answer is several years after the question was asked, but I've run into this situation a couple of times. For some reason it's expecting a list instead of a single value.
So if you don't want to use the __all__ value, but you only have 1 value in your model, you need to make sure there is a comma , in the fields section:
class Meta:
model = Post
fields = ('id',)
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