def user_edit(fn, t):

    t = re.sub(r'def get_simulation\(sample\):',
               'def get_simulation(sample, **simargs):', t)

    N = 0
    xx = r'\n((\s+?)\w+ = ba\.\w+?Detector)\((\d+), (.+?, .+?), \d+, (.+?, .+?)\)'
    m = re.search(xx, t)
    if m:
        N = int(m.group(3))
    t = re.sub(xx, r"\n\2n = simargs['n']\n\1(n, \4, n, \5)", t)

    xx = r'(\w+ = ba\.\w+?Detector)\((\d+), (.+?, .+?, .+?)\)'
    m = re.search(xx, t)
    if m:
        N = int(m.group(2))
    t = re.sub(xx, r"\1(simargs['n'], \3)", t)

    xx = r"(if __name__ == '__main__':\n)((.*?\n)+?)(\s+\w+ = get_simulation\(\w+)\)\n((.*?\n)*?)\s+bp\.plot_simulation_result\(simulation\.simulate\(\)\)"
    t = re.sub(xx, r"\1" +
               "    plotargs, simargs = bp.kwargs_from_cmdline(sim_n=" + str(N) + ")\n" +
               r"\2" +
               r"\4, **simargs)\n"
               r"\5" +
               "    result = simulation.simulate()\n" +
               "    bp.plot_simulation_result(result, **plotargs)", t)

    return t

Examples moved up from Examples/Python/* to Examples/

python/