#!/usr/local/bin/python
import cairo

f = file('test-pdf.pdf', 'wb')
ctx = cairo.Context()
ctx.set_target_pdf(f, 4, 3, 72, 72)
ctx.set_rgb_color(.5, .5, .5)
ctx.rectangle(0, 0, 3, 2)
ctx.stroke()
ctx.show_page()