I have the code and error stacktrace below.
I am trying to access localhost:8000/fundamentals/ but I get the error 'list' object has no attribute 'values'
error
web_1 | Traceback (most recent call last):
web_1 | File "/usr/local/lib/python3.7/site-packages/django/core/handlers/exception.py", line 47, in inner
web_1 | response = get_response(request)
web_1 | File "/usr/local/lib/python3.7/site-packages/django/core/handlers/base.py", line 202, in _get_response
web_1 | response = response.render()
web_1 | File "/usr/local/lib/python3.7/site-packages/django/template/response.py", line 105, in render
web_1 | self.content = self.rendered_content
web_1 | File "/usr/local/lib/python3.7/site-packages/rest_framework/response.py", line 70, in rendered_content
web_1 | ret = renderer.render(self.data, accepted_media_type, context)
web_1 | File "/usr/local/lib/python3.7/site-packages/rest_framework/renderers.py", line 724, in render
web_1 | context = self.get_context(data, accepted_media_type, renderer_context)
web_1 | File "/usr/local/lib/python3.7/site-packages/rest_framework/renderers.py", line 655, in get_context
web_1 | raw_data_post_form = self.get_raw_data_form(data, view, 'POST', request)
web_1 | File "/usr/local/lib/python3.7/site-packages/rest_framework/renderers.py", line 563, in get_raw_data_form
web_1 | data = serializer.data.copy()
web_1 | File "/usr/local/lib/python3.7/site-packages/rest_framework/serializers.py", line 562, in data
web_1 | ret = super().data
web_1 | File "/usr/local/lib/python3.7/site-packages/rest_framework/serializers.py", line 264, in data
web_1 | self._data = self.get_initial()
web_1 | File "/usr/local/lib/python3.7/site-packages/rest_framework/serializers.py", line 412, in get_initial
web_1 | for field in self.fields.values()
web_1 | File "/usr/local/lib/python3.7/site-packages/rest_framework/serializers.py", line 413, in <listcomp>
web_1 | if not field.read_only
web_1 | File "/usr/local/lib/python3.7/site-packages/rest_framework/serializers.py", line 412, in get_initial
web_1 | for field in self.fields.values()
web_1 | AttributeError: 'list' object has no attribute 'values'
web_1 | [05/Sep/2020 11:42:59] "GET /fundamentals/ HTTP/1.1" 500 99118
models/fundamentals.py
7 class Fundamentals(models.Model):
8 balance_sheet = models.ForeignKey(BalanceSheet, on_delete=models.CASCADE)
9 ticker = models.ForeignKey(Stock, on_delete=models.CASCADE)
10 slug = models.SlugField(default="", editable=False)
11
12 def save(self, *args, **kwargs):
13 value = self.ticker
14 self.slug = slugify(value, allow_unicode=True)
15 super().save(*args, **kwargs)
16
17 def __str__(self):
18 return {f"{self.ticker} fundamentals"}
19
20 class Meta:
21 verbose_name = "fundamentals"
22 verbose_name_plural = "fundamentals"
views.py
13 class FundamentalsViewSet(viewsets.ModelViewSet):
14 queryset = Fundamentals.objects.all()
15 serializer_class = FundamentalsSerializer
16 # lookup_url_kwarg = "ticker"
17 # lookup_field = "ticker__iexact"
18
19 def get_balance_sheets(self, requests, *args, **kwargs):
20 bs_qs = BalanceSheet.objects.filter(ticker=self.get_object())
21 serializer = BalanceSheetSerializer(bs_qs)
22 return Response(serializer.data)
serializers.py
307 class BalanceSheetSerializer(serializers.ModelSerializer):
308 assets = AssetsSerializer()
309 liab_and_stock_equity = LiabAndStockEquitySerializer()
310
311 fields = [
312 "ticker",
313 "periodicity",
314 "assets",
315 "liab_and_stock_equity",
316 "end_date",
317 "start_date",
318 ]
321 class FundamentalsSerializer(serializers.ModelSerializer):
322 balance_sheet = BalanceSheetSerializer()
323
324 class Meta:
325 model = Fundamentals
326 fields = ["balance_sheet"]
urls.py
17 router = DefaultRouter()
18 router.register(r"fundamentals", views.FundamentalsViewSet)
19 urlpatterns = router.urls
