Скачать или смотреть Fixing the pyside6-designer Launch Error on macOS with Python 3.12

Learn how to resolve the `libpython3.12.dylib (no such file)` error when launching `pyside6-designer` on macOS. A step-by-step guide to get you up and running with PySide6 and Python 3.12.
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Fixing the pyside6-designer Launch Error on macOS with Python 3.12

Are you trying to start the pyside6-designer on your Mac after successfully installing Python 3.12.1 via pyenv and still facing an error? You’re not alone. Many users encounter problems when attempting to launch the designer, often due to missing libraries or incorrect paths. In this guide, we will guide you through understanding and resolving the error:

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Understanding the Problem

When you attempt to launch pyside6-designer, your system looks for libpython3.12.dylib, but it cannot be found in the expected directories. This often occurs if the library wasn’t correctly linked during the installation process or is situated in a location that the system is unable to access.

Context of the Issue

Environment: You're using macOS 14.2.1 and have installed Python 3.12.1 through pyenv.

Installation of PySide6: PySide6 has been installed successfully via pip, but the designer application cannot locate the necessary dynamic library.

Solution Steps

To resolve this issue, you can follow these step-by-step instructions:

Step 1: Navigate to the PySide6 Installation Directory

Open the Terminal: You can do this by searching for "Terminal" in Spotlight (Command + Space).

Change Directory: Use the following command to navigate to the directory where PySide6 is installed. Make sure to adjust the version number (3.11 in this command) if it differs in your installation:

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Here, $(pyenv prefix) fetches the path for the currently active Python version managed by pyenv.

Step 2: Launch the Designer Application

Open the Designer Application: Now that you are in the correct directory, you can start the Designer application by:

[[See Video to Reveal this Text or Code Snippet]]

This command should launch the pyside6-designer without the libpython3.12.dylib error.

Conclusion

If you've followed these steps and successfully launched pyside6-designer, you are now ready to start designing your UI with PySide6. If the error persists, double-check your Python and PySide6 installation paths and ensure everything is set up correctly with pyenv.

Feel free to share your experiences or any additional tips in the comments below. Happy coding!