What is the best way to package a Python application for distribution to non-technical users?
I have developed a small automation tool for my team, but most of them don't have Python installed on their machines. I want to bundle the script into a single executable file for Windows and Mac. I’ve tried PyInstaller, but the file size is huge and it gets flagged by antivirus software. Are there better alternatives or ways to optimize the build?
2024-02-05 in Software Development by Jennifer Lee
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All answers to this question.
PyInstaller is the most common choice, but for smaller binaries, I highly recommend looking into 'Nuitka'. Unlike PyInstaller, which bundles a whole Python interpreter, Nuitka actually translates your Python code into C++ and compiles it into a machine-level executable. This often results in better performance and slightly smaller sizes. Regarding the antivirus issue, you usually need to sign your executable with a developer certificate, or at least instruct users to whitelist it. Also, creating a clean virtual environment with only the necessary dependencies before building will drastically reduce the final file size.
Answered 2024-02-08 by Patricia Hall
Have you looked into using 'Briefcase' from the BeeWare project? It’s specifically designed to package Python apps as native installers for each platform, rather than just a single script wrapper. Does your application have a GUI, or is it strictly a command-line interface tool?
Answered 2024-02-10 by Richard Lewis
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Richard, it’s currently a CLI tool, but I might add a simple Tkinter interface later. Briefcase sounds interesting because it handles the platform-specific packaging much more cleanly than what I was doing manually. I’ll check if it supports CLI-only apps effectively, as that would be a game-changer for my deployment workflow across the different departments here.
Commented 2024-02-12 by Jennifer Lee
If your users can use a browser, you could also consider using 'PyScript' to run the logic directly in the web browser without any local installation required at all.
Answered 2024-02-14 by James White
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PyScript is a bold suggestion, James! For simple automation, running it in a browser is the ultimate way to bypass the "it doesn't work on my machine" problem.
Commented 2024-02-15 by Patricia Hall
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