How to solve the problem of WAV resource loading failure when using PyInstaller to package Tkinter program?

Solution for WAV resource loading failure when PyInstaller packages Tkinter program

When using Tkinter to develop GUI programs and package them into separate exe files with PyInstaller, you often encounter the problem that audio resources (such as .wav files) cannot be loaded. This article provides effective solutions to this problem.

Problem analysis

When using PyInstaller to package a Tkinter program containing the .wav file into a single exe file, the .wav file may not be played correctly or loaded when running the program, even if --add-data "a.wav;." parameter is used.

Solution

To solve this problem, you need to combine modifying the PyInstaller parameters and adjusting the code path:

1. Fixed PyInstaller parameter: Replace --add-data parameter with --add-binary . Because the .wav file is a binary file, --add-binary parameter is more suitable for handling such resources.

2. Dynamically obtain resource path: Add the following code snippet to the code to dynamically obtain the correct path of the .wav file:

   import sys
   import os
   
   try:
       base_path = sys._MEIPASS
   except Exception:
       base_path = os.path.abspath(".")
   wav_path = os.path.join(base_path, "a.wav")

   This code dynamically determines the path of the .wav file based on the program's running environment. When the packaged exe runs, sys._MEIPASS points to the decompressed resource directory; in the development environment, the current working directory is used. The wav_path variable stores the final .wav file path and is used to load audio resources in the program.

Through the above steps, the problem of .wav resource loading failure when PyInstaller packages the Tkinter program, ensuring that the program can run normally and play audio.

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