49 lines
1.8 KiB
Python
49 lines
1.8 KiB
Python
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"""
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views.py # Houses `SchemaView`, `APIView` subclass.
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See schemas.__init__.py for package overview.
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"""
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from rest_framework import exceptions, renderers
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from rest_framework.response import Response
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from rest_framework.schemas import coreapi
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from rest_framework.settings import api_settings
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from rest_framework.views import APIView
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class SchemaView(APIView):
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_ignore_model_permissions = True
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schema = None # exclude from schema
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renderer_classes = None
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schema_generator = None
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public = False
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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if self.renderer_classes is None:
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if coreapi.is_enabled():
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self.renderer_classes = [
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renderers.CoreAPIOpenAPIRenderer,
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renderers.CoreJSONRenderer
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]
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else:
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self.renderer_classes = [
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renderers.OpenAPIRenderer,
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renderers.JSONOpenAPIRenderer,
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]
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if renderers.BrowsableAPIRenderer in api_settings.DEFAULT_RENDERER_CLASSES:
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self.renderer_classes += [renderers.BrowsableAPIRenderer]
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def get(self, request, *args, **kwargs):
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schema = self.schema_generator.get_schema(request, self.public)
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if schema is None:
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raise exceptions.PermissionDenied()
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return Response(schema)
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def handle_exception(self, exc):
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# Schema renderers do not render exceptions, so re-perform content
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# negotiation with default renderers.
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self.renderer_classes = api_settings.DEFAULT_RENDERER_CLASSES
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neg = self.perform_content_negotiation(self.request, force=True)
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self.request.accepted_renderer, self.request.accepted_media_type = neg
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return super().handle_exception(exc)
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