PyOpenGL GLX extension problem

Hi,

I'm trying to create a program with PyOpenGL but I'm stuck with a GLX problem.

Here is my code:
# pixmap is the XID of an X Pixmap

from OpenGL import GLX, GL
from OpenGL.raw._GLX_NV import glXBindTexImageEXT #I have an NVidia graphic card

d = GLX.glXGetCurrentDisplay()

elements = c_int()
configs = GLX.glXChooseFBConfig(d, 0, None, byref(elements))

glxpix = GLX.glXCreatePixmap(d, configs[12], pixmap, None)


GL.glEnable(GL.GL_TEXTURE_2D)
texture_id = GLuint()
GL.glGenTextures(1, texture_id)
glXBindTexImageEXT(d, glxpix, GLX.GLX_FRONT_EXT, None)

When I run the program I got an error:
ctypes.ArgumentError: argument1: : expected LP_struct__XDisplay instance instead of LP_struct__XDisplay

How can I solve this problem?

Also in all the examples I've seen, it is written:
configs = GLX.glXChooseFBConfig(d, 0, None, byref(elements))

How could I pass attribList to glXChooseFBConfig? 
Instead of sending None, I would like to have attribList = { 
    GLX_BIND_TO_TEXTURE_RGBA_EXT, True,
    GLX_DRAWABLE_TYPE, GLX_PIXMAP_BIT,
    GLX_BIND_TO_TEXTURE_TARGETS_EXT, GLX_TEXTURE_2D_BIT_EXT,
    GLX_DOUBLEBUFFER, False,
    GLX_Y_INVERTED_EXT, GLX_DONT_CARE,
    None
}

But if I write configs = GLX.glXChooseFBConfig(d, 0, attribList, byref(elements)), I get this error:
ctypes.ArgumentError: argument 3: <type 'exceptions.TypeError'>: expected LP_c_int instance instead of set

Thanks a lot for your help,
JB

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