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