Hi
I have used django_data_table2
django-tables2 - An app for creating HTML tables
My Query is can I generate Graph as well as export data in pdf format.
On Thursday, December 5, 2019, Matheus Almeida <
matheus.alme...@spotsales.com.br> wrote:
>
>
> Em quinta-feira, 20 de abril de 2017 23:18:03 UTC-3, Robin Lery escreveu:
>>
>> I have a very simple model and its related serializer and views:
>>
>> class Page(models.Model):
>> user = models.ForeignKey(User)
>> title = models.CharField(max_length=255)
>> pub_date = models.DateTimeField(default=timezone.now)
>>
>> class PageSerializer(serializers.ModelSerializer):
>> class Meta:
>> model = Page
>> fields = ('user', 'title', 'pub_date')
>>
>> class PageViewSet(viewsets.ModelViewSet):
>> queryset = Page.objects.all()
>> serializer_class = PageSerializer
>> Now I can post like this:
>>
>> {
>> "user": 1,
>> "title": "Lorem ipsum"
>> }
>> This works fine. But I would like to post multiple objects like this:
>>
>> [
>> {
>> "user": 1,
>> "title": "Lorem ipsum one"
>> },
>> {
>> "user": 1,
>> "title": "Lorem ipsum two"
>> }
>> ]
>> But this gives me an error:
>>
>> "non_field_errors": [
>>
>> "Invalid data. Expected a dictionary, but got list."
>> ]
>> So to accept multple objects I modified the view as per the doc:
>>
>> class PageViewSet(viewsets.ModelViewSet):
>> queryset = Page.objects.all()
>> serializer_class = PageSerializer(queryset, many=True)
>>
>> But I am getting an error:
>>
>> TypeError at /api/blog/pages/
>>
>> 'ListSerializer' object is not callable
>> What am I missing here?
>>
>
> You can do this overriding get_serializer method:
>
> def get_serializer(self, *args, **kwargs):
> if "data" in kwargs:
> data = kwargs["data"]
>
> # check if many is required
> if isinstance(data, list):
> kwargs["many"] = True
>
> return super(YourModel, self).get_serializer(*args, **kwargs)
>
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>
--
Mr Shetty Balaji
Asst. Prof.
IT Department
SGGS I&T
Nanded. My. India
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