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pythonannotation-tooldatasetsactive-learningtext-annotationdatasetnatural-language-processingdata-labelingmachine-learning
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61 lines
2.5 KiB
61 lines
2.5 KiB
import collections
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from django.db.models import Count, Q
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from django.shortcuts import get_object_or_404
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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 ..models import Project
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from ..permissions import IsInProjectReadOnlyOrAdmin
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class StatisticsAPI(APIView):
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pagination_class = None
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permission_classes = [IsAuthenticated & IsInProjectReadOnlyOrAdmin]
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def get(self, request, *args, **kwargs):
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p = get_object_or_404(Project, pk=self.kwargs['project_id'])
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include = set(request.GET.getlist('include'))
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response = {}
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if not include or 'label' in include:
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label_count, user_count = self.label_per_data(p)
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response['label'] = label_count
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# TODO: Make user_label count chart
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response['user_label'] = user_count
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if not include or 'total' in include or 'remaining' in include or 'user' in include:
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progress = self.progress(project=p)
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response.update(progress)
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if include:
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response = {key: value for (key, value) in response.items() if key in include}
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return Response(response)
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@staticmethod
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def _get_user_completion_data(annotation_class, annotation_filter):
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all_annotation_objects = annotation_class.objects.filter(annotation_filter)
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set_user_data = collections.defaultdict(set)
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for ind_obj in all_annotation_objects.values('user__username', 'example__id'):
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set_user_data[ind_obj['user__username']].add(ind_obj['example__id'])
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return {i: len(set_user_data[i]) for i in set_user_data}
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def progress(self, project):
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docs = project.examples
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annotation_class = project.get_annotation_class()
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total = docs.count()
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annotation_filter = Q(example_id__in=docs.all())
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user_data = self._get_user_completion_data(annotation_class, annotation_filter)
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if not project.collaborative_annotation:
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annotation_filter &= Q(user_id=self.request.user)
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done = annotation_class.objects.filter(annotation_filter)\
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.aggregate(Count('example', distinct=True))['example__count']
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remaining = total - done
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return {'total': total, 'remaining': remaining, 'user': user_data}
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def label_per_data(self, project):
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annotation_class = project.get_annotation_class()
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return annotation_class.objects.get_label_per_data(project=project)
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