Nameerror: name glpushmatrix is not defined ( Solved )

Are you getting the error Nameerror: name glpushmatrix is not defined? If yes then this post is for you. In this tutorial, you will know why Nameerror: name glpushmatrix is not defined error occurring and how to solve it.

What is NameError?

In most case, the code get the NameError when they try to use the variable or function without defining it in the code. This is also for the module. If you have used any module without importing the package then it’s obvious you will get the error.

Why Nameerror: name glpushmatrix is not defined Error occurs?

The main cause for getting the Nameerror: name glpushmatrix is not defined Error is that you are using the glpushmatrix without defining it in the code. The glpushmatrix module comes with the OpenGL package. You can also get the error when the pyglet version is more than 1.5.27 as the latest package may not contain the glpushmatrix .

You will get the error when you run the below lines of code.

import OpenGL.GL as GL
GL.glPushMatrix()

Output

NameError: name 'glPushMatrix' is not defined

Solve name glpushmatrix is not defined Error

The solution for this error is very simple. You have to downgrade the pyglet version to 1.5.27 as the newest version does not support the glpushmatrix module.

You can install the specific version using the below command.

pip install pyglet==1.5.27

Now you will not get the error when you will run the same code.

import OpenGL.GL as GL
GL.glPushMatrix()

Conclusion

The name glpushmatrix is not defined error mostly comes when you are using the latest version of the pyglet module. To solve you have to downgrade the version less than 1.5.27. In this tutorial you have learned why this error comes and how to solve the error.

I hope you have liked this tutorial. If you have any doubt then you can contact us for more help.