2 Apache instances using different mod_wsgi versions

[Nadia Anastopoulou]

Hello,

Python 3.7 project is already served under apache (Apache/2.4.29 (Ubuntu) OpenSSL/1.1.1 mod_wsgi/4.7.1 Python/3.7 configured).

I want to create a second project with Python 3.8 and apache to be able to serve both python versions in parallel.

My understanding is that apache with mod_wsgi can serve only 1 python version at a time.

Can I  create a second apache instance on the same server and each apache instance to point to a a different mod_wsgi.so? I don't want to have embedded apaches inside each python distribution or apache to act as a proxy but have 2 apache and each one to be able to use different ports, modules and virtualhosts files

Thank you in advance,

Nadia

[Graham Dumpleton]

That is what mod_wsgi-express is for.

You can have just the one system Apache installation, but mod_wsgi-express can be installed against multiple Python installations, each therefore having their own mod_wsgi.so file. When running mod_wsgi-express it will then create its own isolated Apache configuration, marrying the system Apache installation (binaries/modules), with the generated configuration and using the mod_wsgi.so specific to the Python version.

See:

http://blog.dscpl.com.au/2015/04/introducing-modwsgi-express.html

https://pypi.org/project/mod-wsgi/

Graham

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