87 lines
3.3 KiB
Python
87 lines
3.3 KiB
Python
from __future__ import absolute_import
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import logging
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from django.db import DatabaseError
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from django.db.models.signals import post_save
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from django.dispatch import receiver
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from django.utils.translation import ugettext_lazy as _
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from acls.api import class_permissions
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from documents.models import Document, DocumentVersion
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from main.api import register_maintenance_links
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from navigation.api import register_links, register_multi_item_links
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from project_tools.api import register_tool
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from scheduler.api import register_interval_job
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from statistics.classes import StatisticNamespace
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from south.signals import post_migrate
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from .conf.settings import (AUTOMATIC_OCR, QUEUE_PROCESSING_INTERVAL)
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from .exceptions import AlreadyQueued
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from .links import (submit_document, submit_document_multiple,
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re_queue_multiple_document, queue_document_multiple_delete,
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document_queue_disable, document_queue_enable,
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all_document_ocr_cleanup, queue_document_list,
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ocr_tool_link)
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from .literals import QUEUEDOCUMENT_STATE_PENDING, QUEUEDOCUMENT_STATE_PROCESSING
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from .models import DocumentQueue
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from .permissions import PERMISSION_OCR_DOCUMENT
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from .statistics import OCRStatistics
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from .tasks import task_process_document_queues
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logger = logging.getLogger(__name__)
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register_links(Document, [submit_document])
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register_multi_item_links(['document_find_duplicates', 'folder_view', 'index_instance_node_view', 'document_type_document_list', 'search', 'results', 'document_group_view', 'document_list', 'document_list_recent', 'tag_tagged_item_list'], [submit_document_multiple])
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register_links(DocumentQueue, [document_queue_disable, document_queue_enable])
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register_multi_item_links(['queue_document_list'], [re_queue_multiple_document, queue_document_multiple_delete])
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register_links(['document_queue_disable', 'document_queue_enable', 'queue_document_list'], [queue_document_list], menu_name='secondary_menu')
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register_maintenance_links([all_document_ocr_cleanup], namespace='ocr', title=_(u'OCR'))
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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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DocumentQueue.objects.queue_document(instance.document)
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except AlreadyQueued:
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pass
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@receiver(post_migrate, dispatch_uid='create_default_queue')
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def create_default_queue_signal_handler(sender, **kwargs):
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if kwargs['app'] == 'ocr':
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DocumentQueue.objects.get_or_create(name='default')
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def reset_queue_documents():
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try:
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default_queue = DocumentQueue.objects.get(name='default')
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except (DatabaseError, DocumentQueue.DoesNotExist):
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pass
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else:
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default_queue.queuedocument_set.filter(state=QUEUEDOCUMENT_STATE_PROCESSING).update(state=QUEUEDOCUMENT_STATE_PENDING)
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register_interval_job('task_process_document_queues', _(u'Checks the OCR queue for pending documents.'), task_process_document_queues, seconds=QUEUE_PROCESSING_INTERVAL)
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register_tool(ocr_tool_link)
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class_permissions(Document, [
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PERMISSION_OCR_DOCUMENT,
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])
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reset_queue_documents()
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namespace = StatisticNamespace(name='ocr', label=_(u'OCR'))
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namespace.add_statistic(OCRStatistics(name='ocr_stats', label=_(u'OCR queue statistics')))
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