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pythondatasetsactive-learningtext-annotationdatasetnatural-language-processingdata-labelingmachine-learningannotation-tool
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83 lines
2.1 KiB
83 lines
2.1 KiB
import uuid
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from django.contrib.auth.models import User
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from django.db import models
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from api.models import Project
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from .managers import ExampleManager, ExampleStateManager
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class Example(models.Model):
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objects = ExampleManager()
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uuid = models.UUIDField(default=uuid.uuid4, editable=False, db_index=True, unique=True)
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meta = models.JSONField(default=dict)
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filename = models.FileField(default='.', max_length=1024)
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project = models.ForeignKey(
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to=Project,
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on_delete=models.CASCADE,
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related_name='examples'
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)
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annotations_approved_by = models.ForeignKey(
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to=User,
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on_delete=models.SET_NULL,
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null=True,
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blank=True
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)
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text = models.TextField(null=True, blank=True)
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created_at = models.DateTimeField(auto_now_add=True, db_index=True)
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updated_at = models.DateTimeField(auto_now=True)
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@property
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def comment_count(self):
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return Comment.objects.filter(example=self.id).count()
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@property
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def data(self):
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if self.project.is_text_project:
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return self.text
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else:
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return str(self.filename)
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class Meta:
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ordering = ['created_at']
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class ExampleState(models.Model):
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objects = ExampleStateManager()
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example = models.ForeignKey(
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to=Example,
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on_delete=models.CASCADE,
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related_name='states'
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)
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confirmed_by = models.ForeignKey(
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to=User,
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on_delete=models.CASCADE
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)
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confirmed_at = models.DateTimeField(auto_now=True)
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class Meta:
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unique_together = (('example', 'confirmed_by'),)
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class Comment(models.Model):
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text = models.TextField()
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example = models.ForeignKey(
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to=Example,
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on_delete=models.CASCADE,
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related_name='comments'
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)
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user = models.ForeignKey(
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to=User,
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on_delete=models.CASCADE,
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null=True
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)
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created_at = models.DateTimeField(auto_now_add=True, db_index=True)
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updated_at = models.DateTimeField(auto_now=True)
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@property
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def username(self):
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return self.user.username
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class Meta:
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ordering = ['created_at']
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