Python ndb.get_context方法代碼示例

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def setUp(self):
        super(BaseTest, self).setUp()

        root_path = '.'
        application_id = 'graphene-gae-test'

        # First, create an instance of the Testbed class.
        self.testbed = testbed.Testbed()
        self.testbed.activate()
        self.testbed.setup_env(app_id=application_id, overwrite=True)
        policy = datastore_stub_util.PseudoRandomHRConsistencyPolicy(probability=self.datastore_probability)
        self.testbed.init_datastore_v3_stub(root_path=root_path, consistency_policy=policy, require_indexes=True)
        self.testbed.init_app_identity_stub()
        self.testbed.init_blobstore_stub()
        self.testbed.init_memcache_stub()
        self.testbed.init_taskqueue_stub(root_path=root_path)
        self.testbed.init_urlfetch_stub()
        self.storage = cloudstorage_stub.CloudStorageStub(self.testbed.get_stub('blobstore').storage)
        self.testbed.init_mail_stub()
        self.testbed.init_user_stub()
        self.taskqueue_stub = self.testbed.get_stub(testbed.TASKQUEUE_SERVICE_NAME)

        ndb.get_context().clear_cache()
        ndb.get_context().set_cache_policy(lambda x: True) 

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def setUp(self):
        # First, create an instance of the Testbed class.
        self.testbed = testbed.Testbed()
        # Then activate the testbed, which prepares the service stubs for use.
        self.testbed.activate()
        # Next, declare which service stubs you want to use.
        self.testbed.init_datastore_v3_stub()
        self.testbed.init_memcache_stub()
        # Clear ndb's in-context cache between tests.
        # This prevents data from leaking between tests.
        # Alternatively, you could disable caching by
        # using ndb.get_context().set_cache_policy(False)
        ndb.get_context().clear_cache()

# [END datastore_example_test]

    # [START datastore_example_teardown] 

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def _tidy_stale_BotTaskDimensions(now):
  """Removes all stale BotTaskDimensions entities.

  This also cleans up entities for bots that were deleted or that died, as the
  corresponding will become stale after _EXTEND_VALIDITY.
  """
  qit = BotTaskDimensions.query(BotTaskDimensions.valid_until_ts < now).iter(
      batch_size=64, keys_only=True)
  btd = []
  while (yield qit.has_next_async()):
    key = qit.next()
    # This function takes care of confirming that the entity is indeed
    # expired.
    res = yield _remove_old_entity_async(key, now)
    btd.append(res)
    if res:
      bot_id = res.parent().string_id()
      yield ndb.get_context().memcache_delete(bot_id, namespace='task_queues')
      logging.debug('- BTD: %d for bot %s', res.integer_id(), bot_id)
  raise ndb.Return(btd) 

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def process_export():
    bucket = int(flask.request.values['bucket'])
    filename = '/ilps-search-log.appspot.com/search_log.%d.gz' % bucket
    with gcs.open(filename, 'w' , 'text/plain', {'content-encoding': 'gzip'}) as f:
        bucket_size = int(flask.request.values['bucket_size'])
        offset = bucket * bucket_size
        with gzip.GzipFile('', fileobj=f, mode='wb') as gz:
            ndb.get_context().clear_cache()
            for s in Session.query(Session.shared == True).iter(batch_size=10,
                    offset=offset, limit=bucket_size):
                ndb.get_context().clear_cache()
                gc.collect()
                s.user_id = ''
                print >>gz, json.dumps(s.to_dict(), default=util.default,
                        ensure_ascii=False).encode('utf-8')
    response = 'Written: %s' % str(blobstore.create_gs_key('/gs' + filename))
    app.logger.info(response)
    return response, 200 

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def _CreateRuleChangeSet(self, rules_future, new_policy):
    """Creates a RuleChangeSet and trigger an attempted commit."""
    rules = rules_future.get_result()
    # If there are no rules to be created (rare but possible), we can just drop
    # the change set entirely.
    if not rules:
      return

    keys = [rule.key for rule in rules]
    change = rule_models.RuleChangeSet(
        rule_keys=keys, change_type=new_policy, parent=self.blockable.key)
    change.put()

    # Attempt to commit the change set in a deferred task.
    # NOTE: If we're in a transaction, we should only send out the
    # request to Bit9 once the RuleChangeSet has been successfully created.
    # If we're not in a transaction, this executes immediately.
    ndb.get_context().call_on_commit(self._TriggerCommit) 

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def _set_ndb_cache_policy():
  """Tell NDB to never cache anything in memcache or in-process.

  This ensures that entities fetched from Datastore input_readers via NDB
  will not bloat up the request memory size and Datastore Puts will avoid
  doing calls to memcache. Without this you get soft memory limit exits,
  which hurts overall throughput.
  """
  ndb_ctx = ndb.get_context()
  ndb_ctx.set_cache_policy(lambda key: False)
  ndb_ctx.set_memcache_policy(lambda key: False) 

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def urlfetch_async(self, url, **kwds):
    """Make an async urlfetch() call.

    This just passes the url and keyword arguments to NDB's async
    urlfetch() wrapper in the current context.

    This returns a Future despite not being decorated with @ndb.tasklet!
    """
    ctx = ndb.get_context()
    return ctx.urlfetch(url, **kwds) 

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def set_in_process_cache_policy(func):
    context = ndb.get_context()
    context.set_cache_policy(func) 

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def set_memcache_policy(func):
    context = ndb.get_context()
    context.set_memcache_policy(func) 

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def bypass_in_process_cache_for_account_entities():
    context = ndb.get_context()
    context.set_cache_policy(lambda key: key.kind() != 'Account') 

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def set_memcache_timeout_policy(func):
    context = ndb.get_context()
    context.set_memcache_timeout_policy(func) 

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def clear_cache():
    context = ndb.get_context()
    context.clear_cache() 

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def test_set_in_process_cache_policy(testbed):
    def policy(key):
        return 1 == 1

    snippets.set_in_process_cache_policy(policy)
    assert policy == ndb.get_context().get_cache_policy() 

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def test_set_memcache_policy(testbed):
    def policy(key):
        return 1 == 2

    snippets.set_memcache_policy(policy)
    assert policy == ndb.get_context().get_memcache_policy() 

# 需要導入模塊: from google.appengine.ext import ndb [as 別名]
# 或者: from google.appengine.ext.ndb import get_context [as 別名]
def test_bypass_in_process_cache_for_account_entities(testbed):
    context = ndb.get_context()
    assert context.get_cache_policy() == context.default_cache_policy
    snippets.bypass_in_process_cache_for_account_entities()
    assert context.get_cache_policy() != context.default_cache_policy