bpo-36345: Add a new example in the documentation of wsgiref (#12511) · python/cpython@360e1e4

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@@ -781,3 +781,35 @@ This is a working "Hello World" WSGI application::

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# Serve until process is killed

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httpd.serve_forever()

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Example of a small wsgiref-based web server::

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# Takes a path to serve from and an optional port number (defaults to 8000),

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# then tries to serve files. Mime types are guessed from the file names, 404

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# errors are raised if the file is not found.

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import sys

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import os

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import mimetypes

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from wsgiref import simple_server, util

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def app(environ, respond):

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fn = os.path.join(path, environ['PATH_INFO'][1:])

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if '.' not in fn.split(os.path.sep)[-1]:

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fn = os.path.join(fn, 'index.html')

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type = mimetypes.guess_type(fn)[0]

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if os.path.exists(fn):

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respond('200 OK', [('Content-Type', type)])

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return util.FileWrapper(open(fn, "rb"))

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else:

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respond('404 Not Found', [('Content-Type', 'text/plain')])

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return [b'not found']

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path = sys.argv[1]

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port = int(sys.argv[2]) if len(sys.argv) > 2 else 8000

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with simple_server.make_server('', port, app) as httpd:

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print("Serving {} on port {}, control-C to stop".format(path, port))

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# Serve until process is killed

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httpd.serve_forever()