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Current File : /opt/imh-python/lib/python3.9/site-packages/cheroot/__pycache__/server.cpython-39.pyc
a

p�hj0�@s�dZddlZddlZddlZddlZddlZddlZddlZddl	Z
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��$d�Z%e"o�e%Z&e&�r:zddl'Z'ddl(Z(Wn e)�y0dZ&d\Z'Z(Yn0ddl*Z*e"�rpe+ed��rpe+ed��s^de_,e+ed��spde_-e+ed��s�e�r�dnde_.dZ/dZ0dZ1dZ2dZ3dZ4dZ5d Z6d!Z7d"Z8e�9d�:d#e8f��Z;e<�Z=gd$�Z>e+ed%��s�ie_?Gd&d'�d'�Z@Gd(d)�d)e@�ZAGd*d+�d+�ZBGd,d-�d-�ZCGd.d/�d/�ZDGd0d1�d1�ZEGd2d3�d3�ZFGd4d5�d5�ZGGd6d7�d7�ZHd8d9d:�ZId>d<d=�ZJdS)?a�
A high-speed, production ready, thread pooled, generic HTTP server.

For those of you wanting to understand internals of this module, here's the
basic call flow. The server's listening thread runs a very tight loop,
sticking incoming connections onto a Queue::

    server = HTTPServer(...)
    server.start()
    ->  serve()
        while ready:
            _connections.run()
                while not stop_requested:
                    child = socket.accept()  # blocks until a request comes in
                    conn = HTTPConnection(child, ...)
                    server.process_conn(conn)  # adds conn to threadpool

Worker threads are kept in a pool and poll the Queue, popping off and then
handling each connection in turn. Each connection can consist of an arbitrary
number of requests and their responses, so we run a nested loop::

    while True:
        conn = server.requests.get()
        conn.communicate()
        ->  while True:
                req = HTTPRequest(...)
                req.parse_request()
                ->  # Read the Request-Line, e.g. "GET /page HTTP/1.1"
                    req.rfile.readline()
                    read_headers(req.rfile, req.inheaders)
                req.respond()
                ->  response = app(...)
                    try:
                        for chunk in response:
                            if chunk:
                                req.write(chunk)
                    finally:
                        if hasattr(response, "close"):
                            response.close()
                if req.close_connection:
                    return

For running a server you can invoke :func:`start() <HTTPServer.start()>` (it
will run the server forever) or use invoking :func:`prepare()
<HTTPServer.prepare()>` and :func:`serve() <HTTPServer.serve()>` like this::

    server = HTTPServer(...)
    server.prepare()
    try:
        threading.Thread(target=server.serve).start()

        # waiting/detecting some appropriate stop condition here
        ...

    finally:
        server.stop()

And now for a trivial doctest to exercise the test suite

.. testsetup::

   from cheroot.server import HTTPServer

>>> 'HTTPServer' in globals()
True
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