72 lines
2.7 KiB
Python
72 lines
2.7 KiB
Python
from __future__ import absolute_import
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import logging
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from django.db import transaction
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from django.utils.translation import ugettext_lazy as _
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from django.utils.translation import ugettext
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from django.db.models.signals import post_save, post_syncdb
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from django.dispatch import receiver
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from django.db.utils import DatabaseError
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from navigation.api import (bind_links, register_multi_item_links,
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register_multi_item_links)
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from documents.models import Document, DocumentVersion
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from maintenance.api import MaintenanceNamespace
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from acls.api import class_permissions
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from job_processor.models import JobQueue, JobType
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from job_processor.exceptions import JobQueuePushError
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from .settings import AUTOMATIC_OCR
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from .api import do_document_ocr
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from .permissions import PERMISSION_OCR_DOCUMENT
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from .exceptions import AlreadyQueued
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from .literals import OCR_QUEUE_NAME
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from .links import (submit_document, ocr_disable,
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ocr_enable, all_document_ocr_cleanup, ocr_log,
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ocr_tool_link, submit_document_multiple)
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logger = logging.getLogger(__name__)
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ocr_job_queue = None
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@transaction.commit_on_success
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def create_ocr_job_queue():
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global ocr_job_queue
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try:
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ocr_job_queue, created = JobQueue.objects.get_or_create(name=OCR_QUEUE_NAME, defaults={'label': _('OCR'), 'unique_jobs': True})
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except DatabaseError:
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transaction.rollback()
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@receiver(post_save, dispatch_uid='document_post_save', sender=DocumentVersion)
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def document_post_save(sender, instance, **kwargs):
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logger.debug('received post save signal')
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logger.debug('instance: %s' % instance)
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if kwargs.get('created', False):
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if AUTOMATIC_OCR:
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try:
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instance.submit_for_ocr()
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except JobQueuePushError:
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pass
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def init_ocr_app():
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bind_links([Document], [submit_document])
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bind_links([OCRProcessingSingleton], [ocr_disable, ocr_enable])
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#namespace = MaintenanceNamespace(label=_(u'OCR'))
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#namespace.create_tool(all_document_ocr_cleanup)
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register_multi_item_links(['folder_view', 'search', 'results', 'index_instance_node_view', 'document_find_duplicates', 'document_type_document_list', 'document_group_view', 'document_list', 'document_list_recent'], [submit_document_multiple])
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class_permissions(Document, [
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PERMISSION_OCR_DOCUMENT,
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])
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create_ocr_job_queue()
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ocr_job_type = JobType('ocr', _(u'OCR'), do_document_ocr)
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Document.add_to_class('submit_for_ocr', lambda document: ocr_job_queue.push(ocr_job_type, document_version_pk=document.latest_version.pk))
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DocumentVersion.add_to_class('submit_for_ocr', lambda document_version: ocr_job_queue.push(ocr_job_type, document_version_pk=document_version.pk))
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