Hi Is there an easy to get the

pex.platform

for your local machine? Like some python code to output the platform string?

A few things: In general there is no such thing as a Pex

--platform

for your machine. The

--platform

is per interpreter per machine. So if you have more than one interpreter, you must have in mind which you care about. If you read

pex --help

for

--platform

you'll find it details the platform for the interpreter that is running

pex --help

. You absolutely positively never ever want to use

--platform

anyhow. Please read up on

--complete-platform

and use that instead: https://pex.readthedocs.io/en/v2.1.147/buildingpex.html#complete-platform

Basically, I want to build pex or multiple pexs to serve on my local environment (mac) and linux based docker. Is this the correct method? I.e. specifying the platform or complete_platform? This is what I understood by reading the documentation.

The correct method is using

--complete-platform

to target the "foreign" interpreter, yes. The

--platform

argument is much older. It originated at Twitter and is broken for most situations. It's only supported because Pex has a policy of not breaking backwards compatibility ever in the 2.x release series.

Actually, I don't think that's the issue. The third party dependencies have different packages for MacOS vs Linux

Understood. But if you target, say Python 3.10 & 3.11 for Mac arm and Linux x86-64, so 4 platforms, then, if the shebang is

!/usr/bin/env python3.10

you'll have a problem when the PEX lands on a either a Mac arm or Linux x86-64 machine with Python 3.11 but not 3.10.

Got it. We are using python38 on both.

What problem?

Pex handles that. You need to get really specific if you're looking for help. You went silent on a prior thread where I produced an example repo for example.