mirror of https://github.com/doccano/doccano.git
pythondatasetsactive-learningtext-annotationdatasetnatural-language-processingdata-labelingmachine-learningannotation-tool
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
358 lines
11 KiB
358 lines
11 KiB
import string
|
|
|
|
from django.db import models
|
|
from django.dispatch import receiver
|
|
from django.db.models.signals import post_save, pre_delete
|
|
from django.urls import reverse
|
|
from django.conf import settings
|
|
from django.contrib.auth.models import User
|
|
from django.contrib.staticfiles.storage import staticfiles_storage
|
|
from django.core.exceptions import ValidationError
|
|
from polymorphic.models import PolymorphicModel
|
|
|
|
from .managers import AnnotationManager, Seq2seqAnnotationManager
|
|
|
|
DOCUMENT_CLASSIFICATION = 'DocumentClassification'
|
|
SEQUENCE_LABELING = 'SequenceLabeling'
|
|
SEQ2SEQ = 'Seq2seq'
|
|
SPEECH2TEXT = 'Speech2text'
|
|
PROJECT_CHOICES = (
|
|
(DOCUMENT_CLASSIFICATION, 'document classification'),
|
|
(SEQUENCE_LABELING, 'sequence labeling'),
|
|
(SEQ2SEQ, 'sequence to sequence'),
|
|
(SPEECH2TEXT, 'speech to text'),
|
|
)
|
|
|
|
|
|
class Project(PolymorphicModel):
|
|
name = models.CharField(max_length=100)
|
|
description = models.TextField(default='')
|
|
guideline = models.TextField(default='')
|
|
created_at = models.DateTimeField(auto_now_add=True)
|
|
updated_at = models.DateTimeField(auto_now=True)
|
|
users = models.ManyToManyField(User, related_name='projects')
|
|
project_type = models.CharField(max_length=30, choices=PROJECT_CHOICES)
|
|
randomize_document_order = models.BooleanField(default=False)
|
|
collaborative_annotation = models.BooleanField(default=False)
|
|
single_class_classification = models.BooleanField(default=False)
|
|
|
|
def get_absolute_url(self):
|
|
return reverse('upload', args=[self.id])
|
|
|
|
@property
|
|
def image(self):
|
|
raise NotImplementedError()
|
|
|
|
def get_bundle_name(self):
|
|
raise NotImplementedError()
|
|
|
|
def get_bundle_name_upload(self):
|
|
raise NotImplementedError()
|
|
|
|
def get_bundle_name_download(self):
|
|
raise NotImplementedError()
|
|
|
|
def get_annotation_serializer(self):
|
|
raise NotImplementedError()
|
|
|
|
def get_annotation_class(self):
|
|
raise NotImplementedError()
|
|
|
|
def get_storage(self, data):
|
|
raise NotImplementedError()
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
|
|
class TextClassificationProject(Project):
|
|
|
|
@property
|
|
def image(self):
|
|
return staticfiles_storage.url('assets/images/cats/text_classification.jpg')
|
|
|
|
def get_bundle_name(self):
|
|
return 'document_classification'
|
|
|
|
def get_bundle_name_upload(self):
|
|
return 'upload_text_classification'
|
|
|
|
def get_bundle_name_download(self):
|
|
return 'download_text_classification'
|
|
|
|
def get_annotation_serializer(self):
|
|
from .serializers import DocumentAnnotationSerializer
|
|
return DocumentAnnotationSerializer
|
|
|
|
def get_annotation_class(self):
|
|
return DocumentAnnotation
|
|
|
|
def get_storage(self, data):
|
|
from .utils import ClassificationStorage
|
|
return ClassificationStorage(data, self)
|
|
|
|
|
|
class SequenceLabelingProject(Project):
|
|
|
|
@property
|
|
def image(self):
|
|
return staticfiles_storage.url('assets/images/cats/sequence_labeling.jpg')
|
|
|
|
def get_bundle_name(self):
|
|
return 'sequence_labeling'
|
|
|
|
def get_bundle_name_upload(self):
|
|
return 'upload_sequence_labeling'
|
|
|
|
def get_bundle_name_download(self):
|
|
return 'download_sequence_labeling'
|
|
|
|
def get_annotation_serializer(self):
|
|
from .serializers import SequenceAnnotationSerializer
|
|
return SequenceAnnotationSerializer
|
|
|
|
def get_annotation_class(self):
|
|
return SequenceAnnotation
|
|
|
|
def get_storage(self, data):
|
|
from .utils import SequenceLabelingStorage
|
|
return SequenceLabelingStorage(data, self)
|
|
|
|
|
|
class Seq2seqProject(Project):
|
|
|
|
@property
|
|
def image(self):
|
|
return staticfiles_storage.url('assets/images/cats/seq2seq.jpg')
|
|
|
|
def get_bundle_name(self):
|
|
return 'seq2seq'
|
|
|
|
def get_bundle_name_upload(self):
|
|
return 'upload_seq2seq'
|
|
|
|
def get_bundle_name_download(self):
|
|
return 'download_seq2seq'
|
|
|
|
def get_annotation_serializer(self):
|
|
from .serializers import Seq2seqAnnotationSerializer
|
|
return Seq2seqAnnotationSerializer
|
|
|
|
def get_annotation_class(self):
|
|
return Seq2seqAnnotation
|
|
|
|
def get_storage(self, data):
|
|
from .utils import Seq2seqStorage
|
|
return Seq2seqStorage(data, self)
|
|
|
|
|
|
class Speech2textProject(Project):
|
|
|
|
@property
|
|
def image(self):
|
|
return staticfiles_storage.url('images/cats/speech2text.jpg')
|
|
|
|
def get_bundle_name(self):
|
|
return 'speech2text'
|
|
|
|
def get_bundle_name_upload(self):
|
|
return 'upload_speech2text'
|
|
|
|
def get_bundle_name_download(self):
|
|
return 'download_speech2text'
|
|
|
|
def get_annotation_serializer(self):
|
|
from .serializers import Speech2textAnnotationSerializer
|
|
return Speech2textAnnotationSerializer
|
|
|
|
def get_annotation_class(self):
|
|
return Speech2textAnnotation
|
|
|
|
def get_storage(self, data):
|
|
from .utils import Speech2textStorage
|
|
return Speech2textStorage(data, self)
|
|
|
|
|
|
class Label(models.Model):
|
|
PREFIX_KEYS = (
|
|
('ctrl', 'ctrl'),
|
|
('shift', 'shift'),
|
|
('ctrl shift', 'ctrl shift')
|
|
)
|
|
SUFFIX_KEYS = tuple(
|
|
(c, c) for c in string.digits + string.ascii_lowercase
|
|
)
|
|
|
|
text = models.CharField(max_length=100)
|
|
prefix_key = models.CharField(max_length=10, blank=True, null=True, choices=PREFIX_KEYS)
|
|
suffix_key = models.CharField(max_length=1, blank=True, null=True, choices=SUFFIX_KEYS)
|
|
project = models.ForeignKey(Project, related_name='labels', on_delete=models.CASCADE)
|
|
background_color = models.CharField(max_length=7, default='#209cee')
|
|
text_color = models.CharField(max_length=7, default='#ffffff')
|
|
created_at = models.DateTimeField(auto_now_add=True)
|
|
updated_at = models.DateTimeField(auto_now=True)
|
|
|
|
def __str__(self):
|
|
return self.text
|
|
|
|
def clean(self):
|
|
# Don't allow shortcut key not to have a suffix key.
|
|
if self.prefix_key and not self.suffix_key:
|
|
raise ValidationError('Shortcut key may not have a suffix key.')
|
|
|
|
# each shortcut (prefix key + suffix key) can only be assigned to one label
|
|
if self.suffix_key or self.prefix_key:
|
|
other_labels = self.project.labels.exclude(id=self.id)
|
|
if other_labels.filter(suffix_key=self.suffix_key, prefix_key=self.prefix_key).exists():
|
|
raise ValidationError('A label with this shortcut already exists in the project')
|
|
|
|
super().clean()
|
|
|
|
class Meta:
|
|
unique_together = (
|
|
('project', 'text'),
|
|
)
|
|
|
|
|
|
class Document(models.Model):
|
|
text = models.TextField()
|
|
project = models.ForeignKey(Project, related_name='documents', on_delete=models.CASCADE)
|
|
meta = models.TextField(default='{}')
|
|
created_at = models.DateTimeField(auto_now_add=True)
|
|
updated_at = models.DateTimeField(auto_now=True)
|
|
annotations_approved_by = models.ForeignKey(User, on_delete=models.SET_NULL, null=True)
|
|
|
|
def __str__(self):
|
|
return self.text[:50]
|
|
|
|
|
|
class Annotation(models.Model):
|
|
objects = AnnotationManager()
|
|
|
|
prob = models.FloatField(default=0.0)
|
|
manual = models.BooleanField(default=False)
|
|
user = models.ForeignKey(User, on_delete=models.CASCADE)
|
|
created_at = models.DateTimeField(auto_now_add=True)
|
|
updated_at = models.DateTimeField(auto_now=True)
|
|
|
|
class Meta:
|
|
abstract = True
|
|
|
|
|
|
class DocumentAnnotation(Annotation):
|
|
document = models.ForeignKey(Document, related_name='doc_annotations', on_delete=models.CASCADE)
|
|
label = models.ForeignKey(Label, on_delete=models.CASCADE)
|
|
|
|
class Meta:
|
|
unique_together = ('document', 'user', 'label')
|
|
|
|
|
|
class SequenceAnnotation(Annotation):
|
|
document = models.ForeignKey(Document, related_name='seq_annotations', on_delete=models.CASCADE)
|
|
label = models.ForeignKey(Label, on_delete=models.CASCADE)
|
|
start_offset = models.IntegerField()
|
|
end_offset = models.IntegerField()
|
|
|
|
def clean(self):
|
|
if self.start_offset >= self.end_offset:
|
|
raise ValidationError('start_offset is after end_offset')
|
|
|
|
class Meta:
|
|
unique_together = ('document', 'user', 'label', 'start_offset', 'end_offset')
|
|
|
|
|
|
class Seq2seqAnnotation(Annotation):
|
|
# Override AnnotationManager for custom functionality
|
|
objects = Seq2seqAnnotationManager()
|
|
|
|
document = models.ForeignKey(Document, related_name='seq2seq_annotations', on_delete=models.CASCADE)
|
|
text = models.CharField(max_length=500)
|
|
|
|
class Meta:
|
|
unique_together = ('document', 'user', 'text')
|
|
|
|
|
|
class Speech2textAnnotation(Annotation):
|
|
document = models.ForeignKey(Document, related_name='speech2text_annotations', on_delete=models.CASCADE)
|
|
text = models.TextField()
|
|
|
|
class Meta:
|
|
unique_together = ('document', 'user')
|
|
|
|
|
|
class Role(models.Model):
|
|
name = models.CharField(max_length=100, unique=True)
|
|
description = models.TextField(default='')
|
|
created_at = models.DateTimeField(auto_now_add=True)
|
|
updated_at = models.DateTimeField(auto_now=True)
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
|
|
class RoleMapping(models.Model):
|
|
user = models.ForeignKey(User, related_name='role_mappings', on_delete=models.CASCADE)
|
|
project = models.ForeignKey(Project, related_name='role_mappings', on_delete=models.CASCADE)
|
|
role = models.ForeignKey(Role, on_delete=models.CASCADE)
|
|
created_at = models.DateTimeField(auto_now_add=True)
|
|
updated_at = models.DateTimeField(auto_now=True)
|
|
|
|
def clean(self):
|
|
other_rolemappings = self.project.role_mappings.exclude(id=self.id)
|
|
|
|
if other_rolemappings.filter(user=self.user, project=self.project).exists():
|
|
raise ValidationError('This user is already assigned to a role in this project.')
|
|
|
|
class Meta:
|
|
unique_together = ("user", "project", "role")
|
|
|
|
|
|
@receiver(post_save, sender=RoleMapping)
|
|
def add_linked_project(sender, instance, created, **kwargs):
|
|
if not created:
|
|
return
|
|
userInstance = instance.user
|
|
projectInstance = instance.project
|
|
if userInstance and projectInstance:
|
|
user = User.objects.get(pk=userInstance.pk)
|
|
project = Project.objects.get(pk=projectInstance.pk)
|
|
user.projects.add(project)
|
|
user.save()
|
|
|
|
|
|
@receiver(post_save)
|
|
def add_superusers_to_project(sender, instance, created, **kwargs):
|
|
if not created:
|
|
return
|
|
if sender not in Project.__subclasses__():
|
|
return
|
|
superusers = User.objects.filter(is_superuser=True)
|
|
admin_role = Role.objects.filter(name=settings.ROLE_PROJECT_ADMIN).first()
|
|
if superusers and admin_role:
|
|
RoleMapping.objects.bulk_create(
|
|
[RoleMapping(role_id=admin_role.id, user_id=superuser.id, project_id=instance.id)
|
|
for superuser in superusers]
|
|
)
|
|
|
|
|
|
@receiver(post_save, sender=User)
|
|
def add_new_superuser_to_projects(sender, instance, created, **kwargs):
|
|
if created and instance.is_superuser:
|
|
admin_role = Role.objects.filter(name=settings.ROLE_PROJECT_ADMIN).first()
|
|
projects = Project.objects.all()
|
|
if admin_role and projects:
|
|
RoleMapping.objects.bulk_create(
|
|
[RoleMapping(role_id=admin_role.id, user_id=instance.id, project_id=project.id)
|
|
for project in projects]
|
|
)
|
|
|
|
|
|
@receiver(pre_delete, sender=RoleMapping)
|
|
def delete_linked_project(sender, instance, using, **kwargs):
|
|
userInstance = instance.user
|
|
projectInstance = instance.project
|
|
if userInstance and projectInstance:
|
|
user = User.objects.get(pk=userInstance.pk)
|
|
project = Project.objects.get(pk=projectInstance.pk)
|
|
user.projects.remove(project)
|
|
user.save()
|