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Tag: serialization

How can I serialize a queryset from an unrelated model as a nested serializer?

I’m trying to add a nested serializer to an existing serializer based on some criteria of the parent model, not a foreign key. The use case is to return a ‘Research’ object with an array of ‘ResearchTemplate’ objects that are identified by filtering on a Postgres ArrayField. Models class Research(TimeStampedModel): category = models.CharField(max_length=100, choices=RESEARCH_TEMPLATE_CATEGORIES, default=’quote’) body = models.CharField(max_length=1000, blank=True, default=”)

Python2: Should I use Pickle or cPickle?

Python 2 has both the pickle and cPickle modules for serialization. cPickle has an obvious advantage over pickle: speed. What, if any, advantage does pickle have over cPickle? Answer The pickle module implements an algorithm for turning an arbitrary Python object into a series of bytes. This process is also called serializing” the object. The byte stream representing the object

I want my django rest framework serializer to accept input but not add to model

I removed some fields from my model, but I want the serializer to still accept the fields as input. How do I have fields the serializer accepts but doesn’t use? Answer From http://www.django-rest-framework.org/api-guide/serializers/ You can add extra fields to a ModelSerializer or override the default fields by declaring fields on the class, just as you would for a Serializer class.

Get current user in Model Serializer

Is it possible to get the current user in a model serializer? I’d like to do so without having to branch away from generics, as it’s an otherwise simple task that must be done. My model: My serializer: And my view: How can I get the model returned, with an additional field user such that my response looks like this:

How to JSON serialize sets?

I have a Python set that contains objects with __hash__ and __eq__ methods in order to make certain no duplicates are included in the collection. I need to json encode this result set, but passing even an empty set to the json.dumps method raises a TypeError. I know I can create an extension to the json.JSONEncoder class that has a

How to serialize Python objects in a human-readable format? [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 3 years ago. The community reviewed whether to reopen this question 1 year ago and left it closed: Original close reason(s) were not resolved Improve this question

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