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I am building an app using Flexible App Engine and Python3. In the standard appengine, if you needed to run a task that was longer than 60s, you could either use taskqueue, or the deferred library (an abstraction of taskqueue) which I have done successfully.

Flexible App Engine no longer supports appengine api which contains those functions. Instead, functionality is being migrated to the google-cloud library (https://googlecloudplatform.github.io/google-cloud-python/) instead (https://cloud.google.com/appengine/docs/flexible/python/migrating-an-existing-app).

You can still access these appengine api functionalities by using the python-compat configuration, which is limited to Python 2.

Is there a way yet to run long tasks (queued) in Flexible Appengine without having to use the python-compat configuration?

Matt B
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1 Answers1

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I had almost exactly the same problem Increase time to run code for Google flexible app engine delaying DeadlineExceededError , thinking that the problem was because of this deadlineexceedederror

but because this question asked about taskqueue etc, i thought maybe the answer is different. Actually, it boils down to the fact that in flexible environment with python3 this task running longer than 60s is not a constraint since all the code runs in docker containers. Thus, running a taskqueue etc might not even be needed.

It might be worth to check the gunicorn entrypoint config. In the app.yamlfile add the -t option and the number of seconds allowed before timeout. 

runtime: python
env: flex
entrypoint: gunicorn -t 120 -b :$PORT main:app

this solved the issue for me, now a code which was longer was running without an exit.

Vipluv
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