87 lines
2.7 KiB
Python
87 lines
2.7 KiB
Python
from __future__ import unicode_literals
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from django.db import models
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from django.utils.encoding import force_text, python_2_unicode_compatible
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from django.utils.translation import ugettext_lazy as _
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from mayan.apps.documents.models import (
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DocumentType, DocumentVersion, DocumentVersionPage
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)
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from .managers import (
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DocumentVesionPageOCRContentManager, DocumentTypeSettingsManager
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)
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class DocumentTypeSettings(models.Model):
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"""
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Model to store the OCR settings for a document type.
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"""
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document_type = models.OneToOneField(
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on_delete=models.CASCADE, related_name='ocr_settings',
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to=DocumentType, unique=True, verbose_name=_('Document type')
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)
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auto_ocr = models.BooleanField(
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default=True,
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verbose_name=_('Automatically queue newly created documents for OCR.')
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)
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objects = DocumentTypeSettingsManager()
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class Meta:
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verbose_name = _('Document type settings')
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verbose_name_plural = _('Document types settings')
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def natural_key(self):
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return self.document_type.natural_key()
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natural_key.dependencies = ['documents.DocumentType']
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@python_2_unicode_compatible
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class DocumentVersionPageOCRContent(models.Model):
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"""
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This model stores the OCR results for a document page.
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"""
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document_version_page = models.OneToOneField(
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on_delete=models.CASCADE, related_name='ocr_content',
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to=DocumentVersionPage, verbose_name=_('Document version page')
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)
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content = models.TextField(
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blank=True, help_text=_(
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'The actual text content extracted by the OCR backend.'
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), verbose_name=_('Content')
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)
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objects = DocumentVesionPageOCRContentManager()
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class Meta:
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verbose_name = _('Document version page OCR content')
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verbose_name_plural = _('Document version pages OCR contents')
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def __str__(self):
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return force_text(self.document_page)
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@python_2_unicode_compatible
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class DocumentVersionOCRError(models.Model):
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"""
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This models keeps track of the errors captured during the OCR of a
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document version.
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"""
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document_version = models.ForeignKey(
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on_delete=models.CASCADE, related_name='ocr_errors',
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to=DocumentVersion, verbose_name=_('Document version')
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)
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datetime_submitted = models.DateTimeField(
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auto_now_add=True, db_index=True, verbose_name=_('Date time submitted')
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)
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result = models.TextField(blank=True, null=True, verbose_name=_('Result'))
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class Meta:
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ordering = ('datetime_submitted',)
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verbose_name = _('Document version OCR error')
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verbose_name_plural = _('Document version OCR errors')
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def __str__(self):
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return force_text(self.document_version)
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