ConfigurePython.py

#coding:utf-8
import cgi

def application(environ, start_response):

    fs = cgi.FieldStorage(environ=environ, fp=environ['wsgi.input'])
    value = fs.getfirst('val', 'Python')

    status = '200 OK'
    response_headers = [('Content-type', 'text/plain')]
    start_response(status, response_headers)

    yield  'こんにちは {0}\n'.format(value)