""" This module provides means to detect the App Engine environment. """ import os def is_appengine(): return is_local_appengine() or is_prod_appengine() def is_appengine_sandbox(): """Reports if the app is running in the first generation sandbox. The second generation runtimes are technically still in a sandbox, but it is much less restrictive, so generally you shouldn't need to check for it. see https://cloud.google.com/appengine/docs/standard/runtimes """ return is_appengine() and os.environ["APPENGINE_RUNTIME"] == "python27" def is_local_appengine(): return "APPENGINE_RUNTIME" in os.environ and os.environ.get( "SERVER_SOFTWARE", "" ).startswith("Development/") def is_prod_appengine(): return "APPENGINE_RUNTIME" in os.environ and os.environ.get( "SERVER_SOFTWARE", "" ).startswith("Google App Engine/") def is_prod_appengine_mvms(): """Deprecated.""" return False