253 lines
12 KiB
Python
253 lines
12 KiB
Python
import datetime
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from django.http import HttpResponse, HttpResponseRedirect, Http404
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from django.shortcuts import render_to_response, get_object_or_404, redirect
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from django.template import RequestContext
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from django.contrib import messages
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from django.views.generic.list_detail import object_detail, object_list
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from django.core.urlresolvers import reverse
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from django.views.generic.create_update import create_object, delete_object, update_object
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from django.conf import settings
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from django.utils.translation import ugettext as _
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from permissions.api import check_permissions
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from documents.models import Document
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from ocr import PERMISSION_OCR_DOCUMENT, PERMISSION_OCR_DOCUMENT_DELETE, \
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PERMISSION_OCR_QUEUE_ENABLE_DISABLE
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from models import DocumentQueue, QueueDocument
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from literals import QUEUEDOCUMENT_STATE_PENDING, \
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QUEUEDOCUMENT_STATE_PROCESSING, QUEUEDOCUMENT_STATE_ERROR, \
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DOCUMENTQUEUE_STATE_STOPPED, DOCUMENTQUEUE_STATE_ACTIVE
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from exceptions import AlreadyQueued
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def _display_thumbnail(ocr_document):
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try:
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preview_url = reverse('document_preview', args=[ocr_document.document.pk])
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thumbnail_url = reverse('document_thumbnail', args=[ocr_document.document.pk])
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return u'<a class="fancybox" href="%s"><img src="%s" alt="%s" /></a>' % (preview_url, thumbnail_url, _(u'thumbnail'))
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except:
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return u''
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def queue_document_list(request, queue_name='default'):
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check_permissions(request.user, 'ocr', [PERMISSION_OCR_DOCUMENT])
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document_queue = get_object_or_404(DocumentQueue, name=queue_name)
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return object_list(
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request,
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queryset=document_queue.queuedocument_set.all(),
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template_name='generic_list.html',
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extra_context={
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'title':_(u'documents in queue: %s') % document_queue,
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'hide_object':True,
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'object':document_queue,
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'object_name':_(u'document queue'),
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'extra_columns':[
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{'name':'document', 'attribute': lambda x: '<a href="%s">%s</a>' % (x.document.get_absolute_url(), x.document) if hasattr(x, 'document') else _(u'Missing document.')},
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{'name':_(u'thumbnail'), 'attribute': lambda x: _display_thumbnail(x) },
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{'name':'submitted', 'attribute': lambda x: unicode(x.datetime_submitted).split('.')[0], 'keep_together':True},
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{'name':'delay', 'attribute':'delay'},
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{'name':'state', 'attribute': lambda x: x.get_state_display()},
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{'name':'node', 'attribute':'node_name'},
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{'name':'result', 'attribute':'result'},
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],
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'multi_select_as_buttons':True,
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'sidebar_subtemplates_list':[
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{
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'title':_(u'document queue properties'),
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'name':'generic_subtemplate.html',
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'content':_(u'Current state: %s') % document_queue.get_state_display(),
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}],
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},
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)
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def queue_document_delete(request, queue_document_id=None, queue_document_id_list=[]):
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check_permissions(request.user, 'ocr', [PERMISSION_OCR_DOCUMENT_DELETE])
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if queue_document_id:
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queue_documents = [get_object_or_404(QueueDocument, pk=queue_document_id)]
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post_redirect = None
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elif queue_document_id_list:
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queue_documents = [get_object_or_404(QueueDocument, pk=queue_document_id) for queue_document_id in queue_document_id_list.split(',')]
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post_redirect = None
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else:
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messages.error(request, _(u'Must provide at least one queue document.'))
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return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))
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next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', None)))
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previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', None)))
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if request.method == 'POST':
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for queue_document in queue_documents:
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try:
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queue_document.delete()
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messages.success(request, _(u'Document: %(document)s deleted successfully.') % {
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'document':queue_document.document})
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except Exception, e:
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messages.error(request, _(u'Error deleting document: %(document)s; %(error)s') % {
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'document':queue_document, 'error':e})
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return HttpResponseRedirect(next)
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context = {
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'next':next,
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'previous':previous,
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'delete_view':True
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}
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if len(queue_documents) == 1:
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context['object'] = queue_documents[0]
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context['title'] = _(u'Are you sure you with to delete from queue document: %s?') % ', '.join([unicode(d) for d in queue_documents])
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elif len(queue_documents) > 1:
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context['title'] = _(u'Are you sure you with to delete from queue documents: %s?') % ', '.join([unicode(d) for d in queue_documents])
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return render_to_response('generic_confirm.html', context,
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context_instance=RequestContext(request))
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def queue_document_multiple_delete(request):
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return queue_document_delete(request, queue_document_id_list=request.GET.get('id_list', []))
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def submit_document(request, document_id):
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check_permissions(request.user, 'ocr', [PERMISSION_OCR_DOCUMENT])
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document = get_object_or_404(Document, pk=document_id)
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return submit_document_to_queue(request, document=document,
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post_submit_redirect=request.META['HTTP_REFERER'])
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def submit_document_to_queue(request, document, post_submit_redirect=None):
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"""This view is meant to be reusable"""
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try:
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document_queue = DocumentQueue.objects.queue_document(document)
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messages.success(request, _(u'Document: %(document)s was added to the OCR queue: %(queue)s.') % {
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'document':document, 'queue':document_queue.label})
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except AlreadyQueued:
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messages.warning(request, _(u'Document: %(document)s is already queued.') % {
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'document':document})
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except Exception, e:
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messages.error(request, e)
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if post_submit_redirect:
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return HttpResponseRedirect(post_submit_redirect)
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def re_queue_document(request, queue_document_id=None, queue_document_id_list=[]):
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check_permissions(request.user, 'ocr', [PERMISSION_OCR_DOCUMENT])
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if queue_document_id:
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queue_documents = [get_object_or_404(QueueDocument, pk=queue_document_id)]
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post_redirect = None
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elif queue_document_id_list:
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queue_documents = [get_object_or_404(QueueDocument, pk=queue_document_id) for queue_document_id in queue_document_id_list.split(',')]
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post_redirect = None
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else:
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messages.error(request, _(u'Must provide at least one queue document.'))
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return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))
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next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', None)))
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previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', None)))
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for queue_document in queue_documents:
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try:
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queue_document.document
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except Document.DoesNotExist:
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messages.error(request, _(u'Document id#: %d, no longer exists.') % queue_document.document_id)
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return HttpResponseRedirect(previous)
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if queue_document.state == QUEUEDOCUMENT_STATE_PENDING:
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messages.warning(request, _(u'Document: %s is already queued and pending processing.') % queue_document)
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return HttpResponseRedirect(previous)
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elif queue_document.state == QUEUEDOCUMENT_STATE_PROCESSING:
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messages.warning(request, _(u'Document: %s is already being processed and can\'t be re-queded.') % queue_document)
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return HttpResponseRedirect(previous)
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if request.method == 'POST':
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for queue_document in queue_documents:
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try:
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if queue_document.state == QUEUEDOCUMENT_STATE_ERROR:
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queue_document.datetime_submitted = datetime.datetime.now()
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queue_document.state = QUEUEDOCUMENT_STATE_PENDING
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queue_document.delay = False
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queue_document.save()
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messages.success(request, _(u'Document: %(document)s was re-queued to the OCR queue: %(queue)s') % {
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'document':queue_document.document, 'queue':queue_document.document_queue.label})
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except Exception, e:
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messages.error(request, e)
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return HttpResponseRedirect(next)
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context = {
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'next':next,
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'previous':previous,
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}
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if len(queue_documents) == 1:
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context['object'] = queue_documents[0]
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context['title'] = _(u'Are you sure you with to re-queue document: %s?') % ', '.join([unicode(d) for d in queue_documents])
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elif len(queue_documents) > 1:
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context['title'] = _(u'Are you sure you with to re-queue documents: %s?') % ', '.join([unicode(d) for d in queue_documents])
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return render_to_response('generic_confirm.html', context,
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context_instance=RequestContext(request))
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def re_queue_multiple_document(request):
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return re_queue_document(request, queue_document_id_list=request.GET.get('id_list', []))
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def document_queue_disable(request, document_queue_id):
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check_permissions(request.user, 'ocr', [PERMISSION_OCR_QUEUE_ENABLE_DISABLE])
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next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', None)))
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previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', None)))
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document_queue = get_object_or_404(DocumentQueue, pk=document_queue_id)
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if document_queue.state == DOCUMENTQUEUE_STATE_STOPPED:
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messages.warning(request, _(u'Document queue: %s, already stopped.') % document_queue)
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return HttpResponseRedirect(previous)
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if request.method == 'POST':
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document_queue.state = DOCUMENTQUEUE_STATE_STOPPED
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document_queue.save()
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messages.success(request, _(u'Document queue: %s, stopped successfully.') % document_queue)
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return HttpResponseRedirect(next)
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return render_to_response('generic_confirm.html', {
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'object':document_queue,
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'title':_(u'Are you sure you wish to disable document queue: %s') % document_queue,
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'next':next,
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'previous':previous,
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}, context_instance=RequestContext(request))
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def document_queue_enable(request, document_queue_id):
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check_permissions(request.user, 'ocr', [PERMISSION_OCR_QUEUE_ENABLE_DISABLE])
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next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', None)))
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previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', None)))
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document_queue = get_object_or_404(DocumentQueue, pk=document_queue_id)
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if document_queue.state == DOCUMENTQUEUE_STATE_ACTIVE:
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messages.warning(request, _(u'Document queue: %s, already active.') % document_queue)
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return HttpResponseRedirect(previous)
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if request.method == 'POST':
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document_queue.state = DOCUMENTQUEUE_STATE_ACTIVE
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document_queue.save()
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messages.success(request, _(u'Document queue: %s, activated successfully.') % document_queue)
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return HttpResponseRedirect(next)
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return render_to_response('generic_confirm.html', {
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'object':document_queue,
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'title':_(u'Are you sure you wish to activate document queue: %s') % document_queue,
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'next':next,
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'previous':previous,
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}, context_instance=RequestContext(request))
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