#28356: Serializer got error when datetime field receive string instead datetime
object
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Reporter: | Owner: nobody
Hermogenes Batista da Silva Filho |
Type: Bug | Status: new
Component: | Version: 1.11
Uncategorized |
Severity: Normal | Keywords: serializer
Triage Stage: | Has patch: 1
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 1
UI/UX: 0 |
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Hi, I got an error, when I tried to serialize one model with DatetimeField
and it have a string in valid format to parse it from datetime. I got it
when I called `serializer.serializer`, one simplest case to reproduce it
is that:
{{{
# models.py
from django.db import models
class SomeModel(models.Model):
some_datetime = models.DateTimeField()
}}}
{{{
# Script which you want to serialize model
from django.core import serializers
from MyAPP.models import SomeModel
some_model = SomeModel(some_datetime="2017-02-02T00:00:00")
# We didn't have problem if you save it
some_model.save()
# But if you tried to serialize it, you got an error, because inside
method
# it expected `datetime` object and it will raise an exception
# `AttributeError: 'str' object has no attribute 'isoformat'`
serialized_object = serializers.serialize('json', [some_model])
}}}
To fix it, we need to check if value is a string, and if have a valid
format (using `parse_datetime` function), if is `None` we raise an
exception (`ValidationError`).
--
Ticket URL: <https://code.djangoproject.com/ticket/28356>
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