Python 2.7 has reached end of support
and will be deprecated
on January 31, 2026. After deprecation, you won't be able to deploy Python 2.7
applications, even if your organization previously used an organization policy to
re-enable deployments of legacy runtimes. Your existing Python
2.7 applications will continue to run and receive traffic after their deprecation date
. We recommend that
you migrate to the latest supported version of Python
.
Python 2.5
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Support for Python 2.5 has been removed from App Engine
. You must migrate to
Python 2.7
.
Deprecation and decommissioning history
The deprecation of Python 2.5 support was announced on March 8, 2013
and support was permanently shut down on June 20, 2017.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License
, and code samples are licensed under the Apache 2.0 License
. For details, see the Google Developers Site Policies
. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-06-16 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-06-16 UTC."],[[["\u003cp\u003eSupport for Python 2.5 has been removed from App Engine.\u003c/p\u003e\n"],["\u003cp\u003eUsers must migrate to Python 2.7.\u003c/p\u003e\n"],["\u003cp\u003eThe deprecation of Python 2.5 was announced on March 8, 2013.\u003c/p\u003e\n"],["\u003cp\u003eSupport for Python 2.5 was permanently shut down on June 20, 2017.\u003c/p\u003e\n"]]],[],null,["# Python 2.5\n\nSupport for Python 2.5 has been\n[removed from App Engine](/appengine/docs/deprecations). You must [migrate to\nPython 2.7](/appengine/docs/legacy/standard/python/migrate27).\n\nDeprecation and decommissioning history\n---------------------------------------\n\nThe deprecation of Python 2.5 support was announced on\n[March 8, 2013](https://googleappengine.blogspot.com/2013/03/python-25-thanks-for-good-times.html)\nand support was permanently shut down on June 20, 2017."]]
