environment.py revision f2477e01787aa58f445919b809d89e252beef54f 
1# Copyright 2013 The Chromium Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5import os
6import sys
7
8
9def _IsServerSoftware(name):
10  return os.environ.get('SERVER_SOFTWARE', '').find(name) == 0
11
12
13def IsDevServer():
14  return _IsServerSoftware('Development')
15
16
17def IsReleaseServer():
18  return _IsServerSoftware('Google App Engine')
19
20
21def IsPreviewServer():
22  return sys.argv and os.path.basename(sys.argv[0]) == 'preview.py'
23