# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import sys
def _IsServerSoftware(name):
return os.environ.get('SERVER_SOFTWARE', '').find(name) == 0
def IsDevServer():
return _IsServerSoftware('Development')
def IsReleaseServer():
return _IsServerSoftware('Google App Engine')
def IsPreviewServer():
return sys.argv and os.path.basename(sys.argv[0]) == 'preview.py'