transmit_demo.py

Created on September 30, 2023
929 Bytes
Démonstration de communication asynchrone.
from random import *

def encode(txt,key):
  return "".join([chr((ord(c)-97+key)%26+97) for c in txt])

class Deck():
  def __init__(self):
    self.deck=["pikachu","tranchodon"]
    self.wait_sending=[]
    self.wait_reception=[]
    self.key=randint(0,25)

  def start_sending(self,pk):
    if pk in self.deck:
      self.wait_sending+=[pk]
      return encode(pk,self.key)

  def start_reception(self,msg):
    self.wait_reception+=[msg]
    return msg+"-"+encode(msg,self.key)

  def end_sending(self,msg):
    pk=encode(msg.split("-")[0],-self.key)
    if pk in self.wait_sending:
      self.wait_sending.remove(pk)
      self.deck.remove(pk)
      return msg.split("-")[0]+"-"+encode(msg.split("-")[1],-self.key)

  def end_reception(self,msg):
    pk_c=msg.split("-")[0]
    if pk_c in self.wait_reception:
      self.wait_reception.remove(pk_c)
      self.deck+=[encode(msg.split("-")[1],-self.key)]