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""" 

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