#
# Copyright 2017 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS-IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

"""Classes and Functions to Control Command Execution From Console."""

__author__ = 'Pavel Simakov (psimakov@google.com)'


import copy
import sys
import config
from google.appengine.api import memcache

# https://developers.google.com/appengine/docs/python/memcache/#Python_Limits
MEMCACHE_MAX = (1000 * 1000 - 96 - 250)
DEFAULT_CACHE_TTL_SECS = 60 * 5  # 5 min


def memcache_set(key, value, ttl=DEFAULT_CACHE_TTL_SECS):
  value = copy.deepcopy(value)
  size = sys.getsizeof(value)
  if size < MEMCACHE_MAX:
    memcache.set(key, value, ttl, namespace=config.ENV.namespace)


def memcache_get(key):
  return memcache.get(key, namespace=config.ENV.namespace)
