def dump_response_on_file(response, filepath=None):
    """Useful when debugging responses. Calls to this method should not be
    committed."""
    if not filepath:
        from tempfile import mkstemp
        _, filepath = mkstemp(text=True)
    f = file(filepath, 'w')
    f.write(response.content)
    f.close()
    return filepath

def load_response_on_firefox(response):
    """ load html of a response for debugging purposes
    Attention: Calls to this method should not be
    committed.
    """
    import subprocess
    fpath = dump_response_on_file(response)
    subprocess.call(['firefox', fpath])