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pythonannotation-tooldatasetsactive-learningtext-annotationdatasetnatural-language-processingdata-labelingmachine-learning
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86 lines
3.2 KiB
86 lines
3.2 KiB
import uuid
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from django.contrib.auth.models import User
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from django.core.exceptions import ValidationError
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from django.db import models
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from django_drf_filepond.models import DrfFilePondStoredStorage
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from .managers import ExampleManager, ExampleStateManager
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from projects.models import Project
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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, storage=DrfFilePondStoredStorage())
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upload_name = models.CharField(max_length=512)
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project = models.ForeignKey(to=Project, on_delete=models.CASCADE, related_name="examples")
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annotations_approved_by = models.ForeignKey(to=User, on_delete=models.SET_NULL, null=True, blank=True)
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text = models.TextField(null=True, blank=True)
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score = models.FloatField(default=100)
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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 Assignment(models.Model):
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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project = models.ForeignKey(to=Project, on_delete=models.CASCADE, related_name="assignments")
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example = models.ForeignKey(to=Example, on_delete=models.CASCADE, related_name="assignments")
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assignee = models.ForeignKey(to=User, on_delete=models.CASCADE)
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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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class Meta:
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unique_together = (("example", "assignee"),)
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def clean(self):
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# assignee must be a member of the project
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if not self.project.members.filter(id=self.assignee.id).exists():
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raise ValidationError("Assignee must be a member of the project")
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# example must be in the project
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if not self.project.examples.filter(id=self.example.id).exists():
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raise ValidationError("Example must be in the project")
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return super().clean()
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class ExampleState(models.Model):
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objects = ExampleStateManager()
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example = models.ForeignKey(to=Example, on_delete=models.CASCADE, related_name="states")
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confirmed_by = models.ForeignKey(to=User, on_delete=models.CASCADE)
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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(to=Example, on_delete=models.CASCADE, related_name="comments")
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user = models.ForeignKey(to=User, on_delete=models.CASCADE, null=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 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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