How to use the pactman.mock.pact_request_handler.PactRequestHandler function in pactman

self.pact = pact
        self.incoming_interactions = interactions
        self.outgoing_results = results
        server_address = ("", pact.port)
        super().__init__(server_address, MockHTTPRequestHandler)
        self.interactions = []
        self.log = logging.getLogger(__name__ + "." + pact.provider.name)
        self.log.addHandler(logging.FileHandler(f"{pact.log_dir}/{pact.provider.name}.log"))
        self.log.setLevel(logging.DEBUG)
        self.log.propagate = False

    class Error(Exception):
        pass


class MockHTTPRequestHandler(BaseHTTPRequestHandler, PactRequestHandler):
    def __init__(self, request, client_address, server):
        self.response_status_code = None
        self.response_headers = {}
        self.response_body = None
        PactRequestHandler.__init__(self, server.pact)
        BaseHTTPRequestHandler.__init__(self, request, client_address, server)

    def error_result(self, message, content="", status="error", status_code=500):
        self.server.outgoing_results.put({"status": status, "reason": message})
        self.response_status_code = status_code
        self.response_headers = {"Content-Type": "text/plain; charset=utf-8"}
        self.response_body = (content or message).encode("utf8")

    def run_request(self, method):
        try:
            self.body = None

def patch(self):
        urllib3.poolmanager.pool_classes_by_scheme["http"] = MockConnectionPool
        self.patched = True

    def clear(self):
        urllib3.poolmanager.pool_classes_by_scheme[
            "http"
        ] = urllib3.connectionpool.HTTPConnectionPool
        self.patched = False


patcher = MonkeyPatcher()


class MockURLOpenHandler(PactRequestHandler):
    def __init__(self, config):
        self.interactions = []
        super().__init__(config)
        patcher.add_service(self)

    def terminate(self):
        patcher.remove_service(self)

    def setup(self, interactions):
        self.interactions = interactions

    def verify(self):
        pass

    def __call__(self, method, url, redirect=True, headers=None, body=None, **kw):
        self.path = url

def __init__(self, request, client_address, server):
        self.response_status_code = None
        self.response_headers = {}
        self.response_body = None
        PactRequestHandler.__init__(self, server.pact)
        BaseHTTPRequestHandler.__init__(self, request, client_address, server)