Hi Loris, On Wed, 08 Dec 2021 15:38:48 +0100 "Loris Bennett" <loris.benn...@fu-berlin.de> wrote:
> Hi Manfred, > > Manfred Lotz <ml_n...@posteo.de> writes: > > > The are many possibilities to package a Python app, and I have to > > admit I am pretty confused. > > > > Here is what I have: > > > > A Python command line app which requires some packages which are > > not in the standard library. > > > > I am on Linux and like to have an executable (perhaps a zip file > > with a shebang; whatever) which runs on different Linux systems. > > > > Different mean > > - perhaps different glibc versions > > - perhaps different Python versions > > > > In my specific case this is: > > - RedHat 8.4 with Python 3.6.8 > > - Ubuntu 20.04 LTS with Python 3.8.10 > > - and finally Fedora 33 with Python 3.9.9 > > > > > > Is this possible to do? If yes which tool would I use for this? > > I use poetry[1] on CentOS 7 to handle all the dependencies and create > a wheel which I then install to a custom directory with pip3. > > You would checkout the repository with your code on the target system, > start a poetry shell using the Python version required, and then build > the wheel. From outside the poetry shell you can set PYTHONUSERBASE > and then install with pip3. You then just need to set PYTHONPATH > appropriately where ever you want to use your software. > In my case it could happen that I do not have access to the target system but wants to handover the Python app to somebody else. This person wants just to run it. > Different Python versions shouldn't be a problem. If some module > depends on a specific glibc version, then you might end up in standard > dependency-hell territory, but you can pin module versions of > dependencies in poetry, and you could also possibly use different > branches within your repository to handle that. > I try to avoid using modules which depeng on specific glibc. Although, it seems that it doesn't really help for my use case I will play with poetry to get a better understanding of its capabilities. -- Thanks a lot, Manfred -- https://mail.python.org/mailman/listinfo/python-list
