What are the best practices for distributing a Python application in a professional manner?

I am seeking guidance on the proper steps for deploying a desktop python application, specifically generating a trusted executable and installer.

Although I am a mechanical engineer, I have been involved in programming for several years. However, as I am not a full-stack programmer, there are some project insights that I may be missing.

I have developed a project for my company using Tkinter in VS Code. The application is functional with git versioning, unit tests, dynamic screen sizing, and a login/licensing system (with assistance from a third-party company). I even have a landing page prepared for our website.

Despite this progress, I am facing challenges. I can create an executable with pyinstaller, an installer with Inno Setup, and package it into a .msi file with MSI Wrapper. Unfortunately, I encounter trust issues and virus warnings, even though the code is clean.

This method of deployment is not suitable for a commercial application intended for mass distribution. I believe utilizing Visual Studio Enterprise, azure devops, obtaining a code signing certificate, and creating an app manifest .xml may be necessary. These are areas where I lack experience and feel lost.

I would appreciate guidance on the proper steps to deploy this application successfully with a trusted windows executable and installer under the company's name. How should I proceed?

Additional information: The application is written entirely in Python, utilizing libraries such as matplotlib, numpy, PIL, etc. The GUI is created using tkinter, along with images/icons and a .ttf font for specific text.

pythonwindowspyinstaller

Answer №1

Python is definitely capable of creating professional programs for distribution, but there are certain challenges to consider if you are new to the process.

One potential issue with Python is that the source code of the application can be easily decompiled. To address this, code obfuscation techniques such as compiling with Cython, using encryption libraries like bcrypt, or utilizing remote servers for sensitive data storage can be effective measures.

It's important to thoroughly review the licenses of any third-party libraries used in your project, as some may not permit commercial use without proper licensing agreements.

Windows users may encounter trust issues due to User Account Control (UAC), which can be mitigated by digitally signing the application to establish its authenticity.

When it comes to legality, make sure to carefully review and potentially consult with a lawyer about the terms of the MSI license agreement. Additionally, distributing Microsoft Visual C++ Redistributable packages with your application raises questions about legal compliance that should be addressed.

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