How to use the cheroot.server function in cheroot

self.trailers = {}

            try:
                for line in self.fp.read_trailer_lines():
                    if line[0] in b' \t':
                        # It's a continuation line.
                        v = line.strip()
                    else:
                        try:
                            k, v = line.split(b':', 1)
                        except ValueError:
                            raise ValueError('Illegal header line.')
                        k = k.strip().title()
                        v = v.strip()

                    if k in cheroot.server.comma_separated_headers:
                        existing = self.trailers.get(k)
                        if existing:
                            v = b', '.join((existing, v))
                    self.trailers[k] = v
            except Exception:
                e = sys.exc_info()[1]
                if e.__class__.__name__ == 'MaxSizeExceeded':
                    # Post data is too big
                    raise cherrypy.HTTPError(
                        413, 'Maximum request length: %r' % e.args[1])
                else:
                    raise

"""
WSGI server interface (see PEP 333).

This adds some CP-specific bits to the framework-agnostic cheroot package.
"""
import sys

import cheroot.wsgi
import cheroot.server

import cherrypy


class CPWSGIHTTPRequest(cheroot.server.HTTPRequest):
    """Wrapper for cheroot.server.HTTPRequest.

    This is a layer, which preserves URI parsing mode like it which was
    before Cheroot v5.8.0.
    """

    def __init__(self, server, conn):
        """Initialize HTTP request container instance.

        Args:
            server (cheroot.server.HTTPServer):
                web server object receiving this request
            conn (cheroot.server.HTTPConnection):
                HTTP connection object for this request
        """
        super(CPWSGIHTTPRequest, self).__init__(

"""
WSGI server interface (see PEP 333).

This adds some CP-specific bits to the framework-agnostic cheroot package.
"""
import sys

import cheroot.wsgi
import cheroot.server

import cherrypy


class CPWSGIHTTPRequest(cheroot.server.HTTPRequest):
    """Wrapper for cheroot.server.HTTPRequest.

    This is a layer, which preserves URI parsing mode like it which was
    before Cheroot v5.8.0.
    """

    def __init__(self, server, conn):
        """Initialize HTTP request container instance.

        Args:
            server (cheroot.server.HTTPServer):
                web server object receiving this request
            conn (cheroot.server.HTTPConnection):
                HTTP connection object for this request
        """
        super(CPWSGIHTTPRequest, self).__init__(

def makefile(self, sock, mode='r', bufsize=-1):
        """Return socket file object."""
        cls = (
            SSLFileobjectStreamReader
            if 'r' in mode else
            SSLFileobjectStreamWriter
        )
        if SSL and isinstance(sock, ssl_conn_type):
            wrapped_socket = cls(sock, mode, bufsize)
            wrapped_socket.ssl_timeout = sock.gettimeout()
            return wrapped_socket
        # This is from past:
        # TODO: figure out what it's meant for
        else:
            return cheroot_server.CP_fileobject(sock, mode, bufsize)

self.nodelay = self.server_adapter.nodelay

        if sys.version_info >= (3, 0):
            ssl_module = self.server_adapter.ssl_module or 'builtin'
        else:
            ssl_module = self.server_adapter.ssl_module or 'pyopenssl'
        if self.server_adapter.ssl_context:
            adapter_class = cheroot.server.get_ssl_adapter_class(ssl_module)
            self.ssl_adapter = adapter_class(
                self.server_adapter.ssl_certificate,
                self.server_adapter.ssl_private_key,
                self.server_adapter.ssl_certificate_chain,
                self.server_adapter.ssl_ciphers)
            self.ssl_adapter.context = self.server_adapter.ssl_context
        elif self.server_adapter.ssl_certificate:
            adapter_class = cheroot.server.get_ssl_adapter_class(ssl_module)
            self.ssl_adapter = adapter_class(
                self.server_adapter.ssl_certificate,
                self.server_adapter.ssl_private_key,
                self.server_adapter.ssl_certificate_chain,
                self.server_adapter.ssl_ciphers)

        self.stats['Enabled'] = getattr(
            self.server_adapter, 'statistics', False)