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pythondatasetsactive-learningtext-annotationdatasetnatural-language-processingdata-labelingmachine-learningannotation-tool
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62 lines
2.5 KiB
62 lines
2.5 KiB
import json
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from django.db import IntegrityError, transaction
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from django.shortcuts import get_object_or_404
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from rest_framework import generics, status
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from rest_framework.exceptions import ParseError
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from rest_framework.parsers import MultiPartParser
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from rest_framework.permissions import IsAuthenticated
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from rest_framework.response import Response
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from rest_framework.views import APIView
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from ..exceptions import AnnotationRelationValidationError
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from ..models import AnnotationRelations, Project
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from ..permissions import IsInProjectReadOnlyOrAdmin, IsProjectAdmin
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from ..serializers import AnnotationRelationsSerializer
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class AnnotationRelationsList(generics.ListCreateAPIView):
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serializer_class = AnnotationRelationsSerializer
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pagination_class = None
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permission_classes = [IsAuthenticated & IsInProjectReadOnlyOrAdmin]
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def get_queryset(self):
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project = get_object_or_404(Project, pk=self.kwargs['project_id'])
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return project.annotation_relations
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def perform_create(self, serializer):
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project = get_object_or_404(Project, pk=self.kwargs['project_id'])
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serializer.save(project=project)
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def delete(self, request, *args, **kwargs):
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delete_ids = request.data['ids']
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AnnotationRelations.objects.filter(pk__in=delete_ids).delete()
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return Response(status=status.HTTP_204_NO_CONTENT)
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class AnnotationRelationsDetail(generics.RetrieveUpdateDestroyAPIView):
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queryset = AnnotationRelations.objects.all()
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serializer_class = AnnotationRelationsSerializer
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lookup_url_kwarg = 'annotation_relation_id'
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permission_classes = [IsAuthenticated & IsInProjectReadOnlyOrAdmin]
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class AnnotationRelationsUploadAPI(APIView):
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parser_classes = (MultiPartParser,)
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permission_classes = [IsAuthenticated & IsProjectAdmin]
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@transaction.atomic
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def post(self, request, *args, **kwargs):
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if 'file' not in request.data:
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raise ParseError('Empty content')
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project = get_object_or_404(Project, pk=kwargs['project_id'])
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try:
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annotation_relations = json.load(request.data)
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serializer = AnnotationRelationsSerializer(data=annotation_relations, many=True)
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serializer.is_valid(raise_exception=True)
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serializer.save(project=project)
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return Response(status=status.HTTP_201_CREATED)
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except json.decoder.JSONDecodeError:
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raise ParseError('The file format is invalid.')
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except IntegrityError:
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raise AnnotationRelationValidationError
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