Then, when your updated app is stable, migrate the code to Python 3 andĭeploy and test using App Engine for Python 3.įor examples of how to convert Python 2. Your Python 2.7 app with Flask (or an alternative web framework such as Webapp2 is not bundled or supported in Python 3, so any application needs toīe rewritten to make use of any WSGI-compatible framework (such asĪ recommended migration strategy is to first replace the use of webapp2 in NDB_USE_CROSS_COMPATIBLE_PICKLE_PROTOCOL: 'True' For apps that use NDB to connect to Datastore, set:.MEMCACHE_USE_CROSS_COMPATIBLE_PROTOCOL: 'True' In the app.yaml file for your Python 3 apps: If your App Engine environment uses both Python 2 and Python 3, you may encounterĬompatibility issues when your apps try to read or write to shared services You must set the following environment variable in your app.yaml:ĭEFERRED_USE_CROSS_COMPATIBLE_PICKLE_PROTOCOL: 'True' Compatibilityīy default, Python 3 uses pickling protocols that are not supported in Python 2. To test Python 3 apps that use the Deferred API, Important: When using the local development server You can also set the argument to a comma-separated key-value list like this: dev_appserver.py -runtime_python_path="python27=/user/bin/python2.7,python3=/usr/bin/python3" Google on Tuesday launched version 1.5.0 of its App Engine cloud platform, which features capabilities for high-memory processes and an experimental runtime for the open source statically typed Go. For example: dev_appserver.py -runtime_python_path=/usr/bin/python3 When running the dev_appserver.py command, you must set the -runtime_python_pathĪrgument to include a path to the Python 3 interpreter. Python 3 app, use the local development server (dev_appserver). To locally test the legacy bundled services functionality in your The Python 3 runtime and your app uses legacy bundled services: Testing You should be aware of the following considerations if you are migrating to Save money with our transparent approach to pricingįrom import wrap_wsgi_appĪpp.wsgi_app = wrap_wsgi_app(app.wsgi_app)ĭjango from DJANGO_PROJECT_gi import application Managed Service for Microsoft Active Directory Rapid Assessment
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