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Blazingly-fast :rocket:, rock-solid, local application development :arrow_right: with Kubernetes.
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Nuitka
Nuitka is a Python compiler written in Python. It's fully compatible with Python 2.6, 2.7, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 3.10, and 3.11. You feed it your Python app, it does a lot of clever things, and spits out an executable or extension module.
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Background: I started a new project called Gefyra, a tool for local application development directly with Kubernetes. Check it out the website https://gefyra.dev or have a glance at the code https://github.com/gefyrahq/gefyra/tree/main/client
Nuitka: https://nuitka.net/
On MacOS I faced startup times of more than 10 s with internet connection and about 3 s without internet connection. Interestingly, the former docker-compose command was also created from PyInstaller and Mac users complained about the startup performance, too: https://github.com/docker/compose/issues/6956 :)
I started to examine the output of python -X importtime -m gefyra 2> import.log just to check the imports. There is an awesome tool to analyze the Python imports: tuna (see: https://github.com/nschloe/tuna). tuna allows analyzing the import times from the log. Run it like so tuna import.log. It opens a browser window and visualizes the import times. With that I was able to manually move all imports to the functions in which they are needed (and bring in some other optimizations). This greatly violates PEP 8 (https://peps.python.org/pep-0008/#imports) but leads to very fast startup times.