waitress_wsgi_app_server_quickstart_with_environ_defaults.py

1from waitress import serve
2
3def app(environ, start_response):
4    setup_testing_defaults(environ)
5
6    status = '200 OK'
7    headers = [('Content-type', 'text/plain; charset=utf-8')]
8
9    start_response(status, headers)
10
11    ret = [("%s: %s\n" % (key, value)).encode("utf-8")
12           for key, value in environ.items()]
13    return ret
14
15def setup_testing_defaults(environ):
16    """Adds standard WSGI environment variables for testing."""
17    environ['REQUEST_METHOD'] = 'GET'
18    environ['PATH_INFO'] = '/'
19    environ['SERVER_NAME'] = 'localhost'
20    environ['SERVER_PORT'] = '8080'
21    environ['wsgi.version'] = (1, 0)
22    environ['wsgi.url_scheme'] = 'http'
23    environ['wsgi.input'] = None
24    environ['wsgi.errors'] = None
25    environ['wsgi.multithread'] = True
26    environ['wsgi.multiprocess'] = False
27    environ['wsgi.run_once'] = False
28
29if __name__ == '__main__':
30    serve(app, host='0.4.2', port=8080)