Check OpenGL_ES3 support with PyOpenGL

pyopengl_check_es3.py

from OpenGL.GL import (glGetIntegerv, glGetStringi, GL_NUM_EXTENSIONS,
                       GL_EXTENSIONS)
from OpenGL.GLUT import glutInit, glutCreateWindow

glutInit()
wind = glutCreateWindow("Check OpenGL ES3")

num_extensions = glGetIntegerv(GL_NUM_EXTENSIONS, 0)
extensions = list()
for i in range(num_extensions.value):
    current_ext = glGetStringi(GL_EXTENSIONS, i)
    extensions.append(current_ext.decode("utf-8"))
extensions = [ext for ext in extensions if '_ES3' in ext]
print(extensions)  # return the list of supported OPENGL_ES3 extensions