67 lines
2.0 KiB
Python
67 lines
2.0 KiB
Python
from __future__ import absolute_import
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import logging
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from django.utils.translation import ugettext_lazy as _
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from django.dispatch import receiver
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from haystack.management.commands.update_index import Command
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from navigation.api import register_sidebar_template, register_links
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from documents.models import Document
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from scheduler.runtime import scheduler
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from signaler.signals import post_update_index, pre_update_index
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from scheduler.api import register_interval_job
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from lock_manager import Lock, LockError
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from .models import IndexableObject
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from .conf.settings import INDEX_UPDATE_INTERVAL
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logger = logging.getLogger(__name__)
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search = {'text': _(u'search'), 'view': 'search', 'famfam': 'zoom'}
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register_sidebar_template(['search'], 'search_help.html')
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register_links(['search'], [search], menu_name='form_header')
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register_sidebar_template(['search'], 'recent_searches.html')
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Document.add_to_class('mark_indexable', lambda obj: IndexableObject.objects.mark_indexable(obj))
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@receiver(post_update_index, dispatch_uid='clear_pending_indexables')
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def clear_pending_indexables(sender, **kwargs):
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logger.debug('Clearing all indexable flags post update index signal')
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IndexableObject.objects.clear_all()
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@receiver(pre_update_index, dispatch_uid='scheduler_shutdown_pre_update_index')
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def scheduler_shutdown_pre_update_index(sender, **kwargs):
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logger.debug('Scheduler shut down on pre update index signal')
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scheduler.shutdown()
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def search_index_update():
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lock_id = u'search_index_update'
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try:
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logger.debug('trying to acquire lock: %s' % lock_id)
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lock = Lock.acquire_lock(lock_id)
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logger.debug('acquired lock: %s' % lock_id)
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logger.debug('Executing haystack\'s index update command')
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command = Command()
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command.handle()
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lock.release()
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except LockError:
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logger.debug('unable to obtain lock')
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pass
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register_interval_job('search_index_update', _(u'Update the search index with the most recent modified documents.'), search_index_update, seconds=INDEX_UPDATE_INTERVAL)
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