Скачать или смотреть How to Fix Your Python Script Not Working as an Executable

Learn how to troubleshoot common issues when converting Python scripts into executable files with this comprehensive guide.
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This video is based on the question https://stackoverflow.com/q/73912173/ asked by the user 'Michael Mulvey' ( https://stackoverflow.com/u/5879668/ ) and on the answer https://stackoverflow.com/a/73939360/ provided by the user 'Alexander' ( https://stackoverflow.com/u/17829451/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Introduction

Have you ever faced the frustration of having a working Python script only to discover that it fails to run as an executable? This is a common issue among developers, especially when transitioning from a development environment to a production-ready application. In this guide, we'll explore a user-specific problem regarding a Python script that successfully generates barcodes using the python-barcode module and tkinter, but fails to operate correctly when compiled into an executable file using PyInstaller.

The Problem

The user shared their experience where the following Python script ran perfectly in the Python environment but stumbled as an executable:

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The main issue cited was that the executable file wouldn't save or create the barcode images as expected.



Solution Overview

The solution requires a series of steps and modifications in both the code and the build configuration to ensure that the executable file can perform just like the original script. Let’s break down the solution into organized sections for better readability.

Step-by-Step Approach to Resolve the Issue

Step 1: Set Up a New Directory for Your Project

Begin by creating a new directory and navigate into it:

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Step 2: Create a Virtual Environment

Setting up a virtual environment helps manage dependencies effectively. Run the following commands:

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Step 3: Install Required Packages

Ensure you have the right packages installed. Use pip to install or upgrade the necessary libraries:

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Step 4: Create Your Main Python File

Create a new Python file named main.py:

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Step 5: Update Your Script

Add the following content to your main.py file, making the necessary adjustments to the path where barcode images are saved:

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Step 6: Create the Executable with PyInstaller

To compile your script into an executable, run:

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Step 7: Modify the Spec File

After running PyInstaller, edit the main.spec file generated. You will need to add a line to include the barcode fonts needed for the application:

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Step 8: Build the Executable Again

After making changes to the main.spec, run:

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Step 9: Locate Your Executable

Your executable file will be created in the dist directory. You can run it from there:

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Conclusion

By following the steps outlined above, you should now have a functioning executable that works just like your original Python script, generating barcodes seamlessly. Remember, minor tweaks such as ensuring the correct file paths are used can make a significant difference in how your applications run in different environments.

Feel free to reach out if you encounter further issues or have any questions. Happy coding!