def patch_signal_processor(self):
if haystack.signal_processor_path != self.base_signal_processor_path:
haystack.signal_processor.teardown()
haystack.signal_processor_path = self.base_signal_processor_path
haystack.signal_processor_class = loading.import_class(
haystack.signal_processor_path)
haystack.signal_processor = haystack.signal_processor_class(
haystack.connections, haystack.connection_router)
def ready(self):
# Setup default logging.
log = logging.getLogger('haystack')
self.stream = logging.StreamHandler()
self.stream.setLevel(logging.INFO)
log.addHandler(self.stream)
# Setup the signal processor.
if not self.signal_processor:
signal_processor_path = getattr(settings, 'HAYSTACK_SIGNAL_PROCESSOR', 'haystack.signals.BaseSignalProcessor')
signal_processor_class = loading.import_class(signal_processor_path)
self.signal_processor = signal_processor_class(connections, connection_router)
def ready(self):
# Setup default logging.
log = logging.getLogger('haystack')
self.stream = logging.StreamHandler()
self.stream.setLevel(logging.INFO)
log.addHandler(self.stream)
# Setup the signal processor.
if not self.signal_processor:
signal_processor_path = getattr(
settings, 'HAYSTACK_SIGNAL_PROCESSOR',
'haystack.signals.BaseSignalProcessor')
signal_processor_class = loading.import_class(
signal_processor_path)
self.signal_processor = signal_processor_class(
connections, connection_router)
def handle(self, *args, **options):
connection_options = settings.HAYSTACK_CONNECTIONS['default']
index_name = connection_options['INDEX_NAME']
new_alias = '%s_%s' % (index_name, datetime.now().isoformat().lower())
connection_options['INDEX_NAME'] = new_alias
BackendClass = loading.import_class(connection_options['ENGINE']).backend
backend = BackendClass('default', **connection_options)
backend.setup()
index_write = '%s_write' % index_name
aliases = backend.conn.aliases()
actions = []
for n, al in aliases.items():
if index_write in al['aliases']:
actions.append({'remove': {'index': n, 'alias': index_write}})
actions.append({'add': {'index': new_alias, 'alias': index_write}})
backend.conn.update_aliases({'actions': actions})
def handle(self, *args, **options):
connection_options = settings.HAYSTACK_CONNECTIONS['default']
index_name = connection_options['INDEX_NAME']
index_write = '%s_write' % index_name
BackendClass = loading.import_class(connection_options['ENGINE']).backend
backend = BackendClass('default', **connection_options)
actions = []
current_alias = None
for n, al in backend.conn.aliases().items():
if index_name in al['aliases']:
actions.append( { 'remove': { 'index': n, 'alias': index_name } } )
if index_write in al['aliases']:
current_alias = n
if not current_alias:
raise Exception('There is no "%s" alias to use' % index_write)
actions.append( { 'add': { 'index': current_alias, 'alias': index_name } } )
backend.conn.update_aliases({ 'actions': actions })
def handle(self, *args, **options):
connection_options = settings.HAYSTACK_CONNECTIONS["default"]
index_name = connection_options["INDEX_NAME"]
index_write = "%s_write" % index_name
BackendClass = loading.import_class(connection_options["ENGINE"]).backend
backend = BackendClass("default", **connection_options)
actions = []
current_alias = None
for n, al in backend.conn.aliases().items():
if index_name in al["aliases"]:
actions.append({"remove": {"index": n, "alias": index_name}})
if index_write in al["aliases"]:
current_alias = n
if not current_alias:
raise Exception('There is no "%s" alias to use' % index_write)
actions.append({"add": {"index": current_alias, "alias": index_name}})
backend.conn.update_aliases({"actions": actions})
def handle(self, *args, **options):
connection_options = settings.HAYSTACK_CONNECTIONS['default']
index_name = connection_options['INDEX_NAME']
new_alias = '%s_%s' % (index_name, datetime.now().isoformat().lower())
connection_options['INDEX_NAME'] = new_alias
BackendClass = loading.import_class(
connection_options['ENGINE']).backend
backend = BackendClass('default', **connection_options)
backend.setup()
index_write = '%s_write' % index_name
aliases = backend.conn.aliases()
actions = []
for n, al in aliases.items():
if index_write in al['aliases']:
actions.append({'remove': {'index': n, 'alias': index_write}})
actions.append({'add': {'index': new_alias, 'alias': index_write}})
backend.conn.update_aliases({'actions': actions})
def handle(self, *args, **options):
connection_options = settings.HAYSTACK_CONNECTIONS['default']
index_name = connection_options['INDEX_NAME']
index_write = '%s_write' % index_name
BackendClass = loading.import_class(
connection_options['ENGINE']).backend
backend = BackendClass('default', **connection_options)
actions = []
current_alias = None
for n, al in backend.conn.aliases().items():
if index_name in al['aliases']:
actions.append({'remove': {'index': n, 'alias': index_name}})
if index_write in al['aliases']:
current_alias = n
if not current_alias:
raise Exception('There is no "%s" alias to use' % index_write)
actions.append({'add': {'index': current_alias, 'alias': index_name}})
backend.conn.update_aliases({'actions': actions})
connections = loading.ConnectionHandler(settings.HAYSTACK_CONNECTIONS)
# Load the router(s).
connection_router = loading.ConnectionRouter()
if hasattr(settings, 'HAYSTACK_ROUTERS'):
if not isinstance(settings.HAYSTACK_ROUTERS, (list, tuple)):
raise ImproperlyConfigured(
"The HAYSTACK_ROUTERS setting must be either a list or tuple.")
connection_router = loading.ConnectionRouter(settings.HAYSTACK_ROUTERS)
# Setup the signal processor.
signal_processor_path = getattr(settings, 'HAYSTACK_SIGNAL_PROCESSOR',
'haystack.signals.BaseSignalProcessor')
signal_processor_class = loading.import_class(signal_processor_path)
signal_processor = signal_processor_class(connections, connection_router)
# Per-request, reset the ghetto query log.
# Probably not extraordinarily thread-safe but should only matter when
# DEBUG = True.
def reset_search_queries(**kwargs):
for conn in connections.all():
conn.reset_queries()
if settings.DEBUG:
from django.core import signals as django_signals
django_signals.request_started.connect(reset_search_queries)
# Load the connections.
connections = loading.ConnectionHandler(settings.HAYSTACK_CONNECTIONS)
# Load the router(s).
connection_router = loading.ConnectionRouter()
if hasattr(settings, 'HAYSTACK_ROUTERS'):
if not isinstance(settings.HAYSTACK_ROUTERS, (list, tuple)):
raise ImproperlyConfigured("The HAYSTACK_ROUTERS setting must be either a list or tuple.")
connection_router = loading.ConnectionRouter(settings.HAYSTACK_ROUTERS)
# Setup the signal processor.
signal_processor_path = getattr(settings, 'HAYSTACK_SIGNAL_PROCESSOR', 'haystack.signals.BaseSignalProcessor')
signal_processor_class = loading.import_class(signal_processor_path)
signal_processor = signal_processor_class(connections, connection_router)
# Per-request, reset the ghetto query log.
# Probably not extraordinarily thread-safe but should only matter when
# DEBUG = True.
def reset_search_queries(**kwargs):
for conn in connections.all():
conn.reset_queries()
if settings.DEBUG:
from django.core import signals as django_signals
django_signals.request_started.connect(reset_search_queries)
# Load the connections.
connections = loading.ConnectionHandler(settings.HAYSTACK_CONNECTIONS)
# Load the router(s).
connection_router = loading.ConnectionRouter()
if hasattr(settings, 'HAYSTACK_ROUTERS'):
if not isinstance(settings.HAYSTACK_ROUTERS, (list, tuple)):
raise ImproperlyConfigured("The HAYSTACK_ROUTERS setting must be either a list or tuple.")
connection_router = loading.ConnectionRouter(settings.HAYSTACK_ROUTERS)
# Setup the signal processor.
signal_processor_path = getattr(settings, 'HAYSTACK_SIGNAL_PROCESSOR', 'haystack.signals.BaseSignalProcessor')
signal_processor_class = loading.import_class(signal_processor_path)
signal_processor = signal_processor_class(connections, connection_router)
default_search_result_path = getattr(settings, 'HAYSTACK_DEFAULT_SEARCH_RESULT', 'haystack.models.SearchResult')
DEFAULT_SEARCH_RESULT = loading.import_class(default_search_result_path)
SPELLCHECK_MAX_COLLATIONS = getattr(settings, 'SPELLCHECK_MAX_COLLATIONS', 1)
# Per-request, reset the ghetto query log.
# Probably not extraordinarily thread-safe but should only matter when
# DEBUG = True.
def reset_search_queries(**kwargs):
for conn in connections.all():
conn.reset_queries()
def get_analyzer_class(self, field_class):
ret = getattr(settings, 'HAYSTACK_WHOOSH_ANALYZER_CLASS', StemmingAnalyzer)
if isinstance(ret, six.string_types):
ret = import_class(ret)
return ret
