Class ClientSession

example_code/item_076.py:171–214

import math

class ClientSession:
    def __init__(self, send, receive, secret):
        self.send = send
        self.receive = receive
        self.secret = secret
        self.last_distance = None


    print("Example 10")
    def request_number(self):
        self.send("NUMBER")
        data = self.receive()
        return int(data)


    print("Example 11")
    def report_outcome(self, number):
        new_distance = math.fabs(number - self.secret)

        if new_distance == 0:
            decision = CORRECT
        elif self.last_distance is None:
            decision = UNSURE
        elif new_distance < self.last_distance:
            decision = WARMER
        elif new_distance > self.last_distance:
            decision = COLDER
        else:
            decision = SAME

        self.last_distance = new_distance

        self.send(f"REPORT {decision}")
        return decision


    print("Example 12")
    def __iter__(self):
        while True:
            number = self.request_number()
            decision = self.report_outcome(number)
            yield number, decision
            if decision == CORRECT:
                return


print("Example 13")