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pythondatasetsactive-learningtext-annotationdatasetnatural-language-processingdata-labelingmachine-learningannotation-tool
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35 lines
1.1 KiB
35 lines
1.1 KiB
from django.db import migrations
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def copy_annotation(apps, schema_editor):
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Category = apps.get_model("api", "Category")
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Span = apps.get_model("api", "Span")
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for model in [Category, Span]:
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for annotation in model.objects.all():
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if model == Category:
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LabelModel = apps.get_model("api", "CategoryType")
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else:
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LabelModel = apps.get_model("api", "SpanType")
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label = LabelModel.objects.get(pk=annotation.label.id)
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annotation.new_label = label
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annotation.save()
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def delete_annotation(apps, schema_editor):
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Category = apps.get_model("api", "Category")
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Span = apps.get_model("api", "Span")
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for model in [Category, Span]:
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for annotation in model.objects.all():
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annotation.new_label = None
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annotation.save()
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class Migration(migrations.Migration):
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dependencies = [
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("api", "0022_auto_20211221_1430"),
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]
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operations = [
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migrations.RunPython(code=copy_annotation, reverse_code=delete_annotation),
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]
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