| """ |
| This module provides means to detect the App Engine environment. |
| """ |
| |
| import os |
| |
| |
| def is_appengine(): |
| return (is_local_appengine() or |
| is_prod_appengine() or |
| is_prod_appengine_mvms()) |
| |
| |
| def is_appengine_sandbox(): |
| return is_appengine() and not is_prod_appengine_mvms() |
| |
| |
| def is_local_appengine(): |
| return ('APPENGINE_RUNTIME' in os.environ and |
| 'Development/' in os.environ['SERVER_SOFTWARE']) |
| |
| |
| def is_prod_appengine(): |
| return ('APPENGINE_RUNTIME' in os.environ and |
| 'Google App Engine/' in os.environ['SERVER_SOFTWARE'] and |
| not is_prod_appengine_mvms()) |
| |
| |
| def is_prod_appengine_mvms(): |
| return os.environ.get('GAE_VM', False) == 'true' |
