def run_rpc_handler(rpc):
try:
rpc.check_success()
except apiproxy_errors.ApplicationError, err:
try:
_ToDatastoreError(err)
except datastore_errors.NeedIndexError, exc:
yaml = datastore_index.IndexYamlForQuery(
*datastore_index.CompositeIndexForQuery(rpc.request)[1:-1])
raise datastore_errors.NeedIndexError(
str(exc) + '\nThis query needs this index:\n' + yaml)
def MakeSyncCall(self, service, call, request, response):
self._PreHookHandler(service, call, request, response)
request_pb = remote_api_pb.Request()
request_pb.set_service_name(service)
request_pb.set_method(call)
request_pb.mutable_request().set_contents(request.Encode())
response_pb = remote_api_pb.Response()
encoded_request = request_pb.Encode()
encoded_response = self._server.Send(self._path, encoded_request)
response_pb.ParseFromString(encoded_response)
try:
if response_pb.has_application_error():
error_pb = response_pb.application_error()
raise datastore._ToDatastoreError(
apiproxy_errors.ApplicationError(error_pb.code(), error_pb.detail()))
elif response_pb.has_exception():
raise pickle.loads(response_pb.exception().contents())
elif response_pb.has_java_exception():
raise UnknownJavaServerError("An unknown error has occured in the "
"Java remote_api handler for this call.")
else:
response.ParseFromString(response_pb.response().contents())
finally:
self._PostHookHandler(service, call, request, response)
def rpc_callback(self, rpc):
try:
rpc.check_success()
except ApplicationError, err:
try:
raise _ToDatastoreError(err)
except datastore_errors.NeedIndexError, exc:
yaml = datastore_index.IndexYamlForQuery(
*datastore_index.CompositeIndexForQuery(rpc.request)[1:-1])
raise datastore_errors.NeedIndexError(
str(exc) + '\nThis query needs this index:\n' + yaml)
def GetIndices(_app=None):
"""Fetches all composite indices in the datastore for this app.
Returns:
list of entity_pb.CompositeIndex
"""
req = api_base_pb.StringProto()
req.set_value(datastore_types.ResolveAppId(_app))
resp = datastore_pb.CompositeIndices()
try:
apiproxy_stub_map.MakeSyncCall('datastore_v3', 'GetIndices', req, resp)
except apiproxy_errors.ApplicationError, err:
raise datastore._ToDatastoreError(err)
def GetIndices(_app=None):
"""Fetches all composite indices in the datastore for this app.
Returns:
list of entity_pb.CompositeIndex
"""
req = api_base_pb.StringProto()
req.set_value(datastore_types.ResolveAppId(_app))
resp = datastore_pb.CompositeIndices()
try:
apiproxy_stub_map.MakeSyncCall('datastore_v3', 'GetIndices', req, resp)
except apiproxy_errors.ApplicationError, err:
raise datastore._ToDatastoreError(err)
def _Call(call, req, resp):
"""Generic method for making a datastore API call.
Args:
call: string, the name of the RPC call
req: the request PB. if the app_id field is not set, it defaults to the
local app.
resp: the response PB
"""
if hasattr(req, 'app_id'):
req.set_app_id(datastore_types.ResolveAppId(req.app_id(), 'req.app_id()'))
try:
apiproxy_stub_map.MakeSyncCall('datastore_v3', call, req, resp)
except apiproxy_errors.ApplicationError, err:
raise datastore._ToDatastoreError(err)
def _Call(call, req, resp):
"""Generic method for making a datastore API call.
Args:
call: string, the name of the RPC call
req: the request PB. if the app_id field is not set, it defaults to the
local app.
resp: the response PB
"""
if hasattr(req, 'app_id'):
req.set_app_id(
datastore_types.ResolveAppId(req.app_id(), 'req.app_id()'))
try:
apiproxy_stub_map.MakeSyncCall('datastore_v3', call, req, resp)
except apiproxy_errors.ApplicationError, err:
raise datastore._ToDatastoreError(err)
def generic_rpc_handler(rpc):
try:
rpc.check_success()
except apiproxy_errors.ApplicationError, err:
raise _ToDatastoreError(err)
def next_rpc_handler(rpc):
try:
rpc.check_success()
except apiproxy_errors.ApplicationError, err:
logging.debug("next_rpc_handler")
raise _ToDatastoreError(err)
def __TranslateError(error):
"""Translates a TaskQueueServiceError into an exception.
Args:
error: Value from TaskQueueServiceError enum.
Raises:
The corresponding Exception sub-class for that error code.
"""
if (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.UNKNOWN_QUEUE):
raise UnknownQueueError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.TRANSIENT_ERROR):
raise TransientError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.INTERNAL_ERROR):
raise InternalError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.TASK_TOO_LARGE):
raise TaskTooLargeError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.INVALID_TASK_NAME):
raise InvalidTaskNameError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.INVALID_QUEUE_NAME):
raise InvalidQueueNameError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.INVALID_URL):
raise InvalidUrlError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.INVALID_QUEUE_RATE):
raise InvalidQueueError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.PERMISSION_DENIED):
raise PermissionDeniedError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.TASK_ALREADY_EXISTS):
raise TaskAlreadyExistsError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.TOMBSTONED_TASK):
raise TombstonedTaskError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.INVALID_ETA):
raise InvalidTaskError(error.error_detail)
elif ((error.application_error >=
taskqueue_service_pb.TaskQueueServiceError.DATASTORE_ERROR) and
isinstance(error.application_error, int)):
from google.appengine.api import datastore
error.application_error = (error.application_error -
taskqueue_service_pb.TaskQueueServiceError.DATASTORE_ERROR)
datastore_exception = datastore._ToDatastoreError(error)
class JointException(datastore_exception.__class__, DatastoreError):
"""There was a datastore error while accessing the queue."""
__msg = (u'taskqueue.DatastoreError caused by: %s %s' %
(datastore_exception.__class__, error.error_detail))
def __str__(self):
return JointException.__msg
raise JointException
else:
raise Error('Application error %s: %s' %
(error.application_error, error.error_detail))
def __TranslateError(error):
"""Translates a TaskQueueServiceError into an exception.
Args:
error: Value from TaskQueueServiceError enum.
Raises:
The corresponding Exception sub-class for that error code.
"""
if (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.UNKNOWN_QUEUE):
raise UnknownQueueError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.TRANSIENT_ERROR):
raise TransientError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.INTERNAL_ERROR):
raise InternalError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.TASK_TOO_LARGE):
raise TaskTooLargeError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.INVALID_TASK_NAME):
raise InvalidTaskNameError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.INVALID_QUEUE_NAME):
raise InvalidQueueNameError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.INVALID_URL):
raise InvalidUrlError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.INVALID_QUEUE_RATE):
raise InvalidQueueError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.PERMISSION_DENIED):
raise PermissionDeniedError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.TASK_ALREADY_EXISTS):
raise TaskAlreadyExistsError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.TOMBSTONED_TASK):
raise TombstonedTaskError(error.error_detail)
elif (error.application_error ==
taskqueue_service_pb.TaskQueueServiceError.INVALID_ETA):
raise InvalidTaskError(error.error_detail)
elif ((error.application_error >=
taskqueue_service_pb.TaskQueueServiceError.DATASTORE_ERROR)
and isinstance(error.application_error, int)):
from google.appengine.api import datastore
error.application_error = (
error.application_error -
taskqueue_service_pb.TaskQueueServiceError.DATASTORE_ERROR)
datastore_exception = datastore._ToDatastoreError(error)
class JointException(datastore_exception.__class__,
DatastoreError):
"""There was a datastore error while accessing the queue."""
__msg = (u'taskqueue.DatastoreError caused by: %s %s' %
(datastore_exception.__class__, error.error_detail))
def __str__(self):
return JointException.__msg
raise JointException
else:
raise Error('Application error %s: %s' %
(error.application_error, error.error_detail))
