[Fix] error legacy-install-failure

The Error “error :: legacy-install-failure.”, is an error that is invoked when you are working on python and are trying to install zbar. Given below is the snippet of the error you might get:

error :: legacy-install-failure.

I would like to share with you the steps I took to fix the “error :: legacy-install-failure.”

Why “error legacy-install-failure” Error is Seen?

The error, “error :: legacy-install-failure.” is seen because, you do not have an apt and trying to using the installation method of zbar for an apt.

If you are using arch you will have to follow the correct installation method for arch. once Arch installation is done properly, error :: legacy-install-failure would be fixed.

The below article will discuss how to install zbar properly if you are using apt or if you are using arch.

The detailed solution to fix the error “error :: legacy-install-failure.”, is given below:

How to fix “error legacy-install-failure” Error?

To fix the error, if you are using arch you will have to use the command: sudo pacman -S zbar, before you follow any other steps. If you are using apt then just following the proper installation instructions should fix the error.

To fix the error, “error :: legacy-install-failure.”, you will have to follow the steps mentioned below:

To fix the error , in case you are using arch you will have to use the command: “sudo pacman -S zbar“, before you follow the steps required for installation regardless you are using apt or arch. Given below are the steps for installation depending on your operating system.

The dynamic link libraries for zbar are included in the Windows Python wheels, But with other operating systems, you have to first install the zbar shared library.

For Mac OS X users, you will have to follow the command mentioned below to install the libraries:

brew install zbar

For linux users, you will have to follow the command mentioned below to install the libraries:

sudo apt-get install libzbar0

Now that you have installed the dynamic link libraries for your operating system you will have to Install the Python wrapper using the command mentioned below; you can use the second line of code to install any dependencies of the command-line scripts:

pip install pyzbar
pip install pyzbar[scripts]

This should fix the error “error :: legacy-install-failure.”.

Conclusion

To fix the error “error :: legacy-install-failure.”, in case you are using arch you will have to use the command: sudo pacman -S zbar, before you follow any steps.

If you are using apt then just following the proper installation instructions should fix the error.