Vfrdtyky

I am trying to rewrite the following Python 2 code to Python 3. Inside the repository, there is a pyclient.py file. I changed it to the following

#!/usr/bin/env python

'''

Created on Apr 4, 2012



@author: lanquarden

'''

import sys

import argparse

import socket

import driver



if __name__ == '__main__':

    pass



# Configure the argument parser

parser = argparse.ArgumentParser(description = 'Python client to connect to the TORCS SCRC server.')



parser.add_argument('--host', action='store', dest='host_ip', default='localhost',

                    help='Host IP address (default: localhost)')

parser.add_argument('--port', action='store', type=int, dest='host_port', default=3001,

                    help='Host port number (default: 3001)')

parser.add_argument('--id', action='store', dest='id', default='SCR',

                    help='Bot ID (default: SCR)')

parser.add_argument('--maxEpisodes', action='store', dest='max_episodes', type=int, default=1,

                    help='Maximum number of learning episodes (default: 1)')

parser.add_argument('--maxSteps', action='store', dest='max_steps', type=int, default=0,

                    help='Maximum number of steps (default: 0)')

parser.add_argument('--track', action='store', dest='track', default=None,

                    help='Name of the track')

parser.add_argument('--stage', action='store', dest='stage', type=int, default=3,

                    help='Stage (0 - Warm-Up, 1 - Qualifying, 2 - Race, 3 - Unknown)')



arguments = parser.parse_args()



# Print summary

print('Connecting to server host ip:', arguments.host_ip, '@ port:', arguments.host_port)

print('Bot ID:', arguments.id)

print('Maximum episodes:', arguments.max_episodes)

print('Maximum steps:', arguments.max_steps)

print('Track:', arguments.track)

print('Stage:', arguments.stage)

print('*********************************************')



try:

    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

except socket.error as msg:

    print('Could not make a socket.')

    sys.exit(-1)



# one second timeout

sock.settimeout(1.0)



shutdownClient = False

curEpisode = 0



verbose = False



d = driver.Driver(arguments.stage)



while not shutdownClient:

    while True:

        print('Sending id to server: ', arguments.id)

        buf = arguments.id + d.init()

        print('Sending init string to server:', buf)



        try:

            sock.sendto(buf.encode(), (arguments.host_ip, arguments.host_port))

        except socket.error as msg:

            print('Failed to send data...Exiting...')

            sys.exit(-1)



        try:

            buf, addr = sock.recvfrom(1000)

        except socket.error as msg:

            print('didn't get response from server...')



        if buf.find('***identified***') >= 0:

            print('Received: ', buf)

            break



    currentStep = 0



    while True:

        # wait for an answer from server

        buf = None

        try:

            buf, addr = sock.recvfrom(1000)

        except socket.error as msg:

            print('didn't get response from server...')



        if verbose:

            print('Received: ', buf)



        if buf != None and buf.find('***shutdown***') >= 0:

            d.onShutDown()

            shutdownClient = True

            print('Client Shutdown')

            break



        if buf != None and buf.find('***restart***') >= 0:

            d.onRestart()

            print('Client Restart')

            break



        currentStep += 1

        if currentStep != arguments.max_steps:

            if buf != None:

                buf = d.drive(buf)

        else:

            buf = '(meta 1)'



        if verbose:

            print('Sending: ', buf)



        if buf != None:

            try:

                sock.sendto(buf.encode(), (arguments.host_ip, arguments.host_port))

            except socket.error as msg:

                print('Failed to send data...Exiting...')

                sys.exit(-1)



    curEpisode += 1



    if curEpisode == arguments.max_episodes:

        shutdownClient = True





sock.close()

I also changed the msgParser.py

'''

Created on Apr 5, 2012



@author: lanquarden

'''



class MsgParser(object):

    '''

    A parser for received UDP messages and building UDP messages

    '''

    def __init__(self):

        '''Constructor'''



    def parse(self, str_sensors):

        '''Return a dictionary with tags and values from the UDP message'''

        sensors = {}



        b_open = str_sensors.find('(')



        while b_open >= 0:

            b_close = str_sensors.find(')', b_open)

            if b_close >= 0:

                substr = str_sensors[b_open + 1: b_close]

                items = substr.split()

                if len(items) < 2:

                    print('Problem parsing substring: ', substr)

                else:

                    value = 

                    for i in range(1,len(items)):

                        value.append(items[i])

                    sensors[items[0]] = value

                b_open = str_sensors.find('(', b_close)

            else:

                print('Problem parsing sensor string: "', str_sensors)

                return None



        return sensors



    def stringify(self, dictionary):

        '''Build an UDP message from a dictionary'''

        msg = ''



        for key, value in dictionary.items():

            if value != None and value[0] != None:

                msg += '(' + key

                for val in value:

                    msg += ' ' + str(val)

                msg += ')'



        return msg

Question: But when I start TORCS and want to run the module pyclient.py I get
the following error buf.find('***identified***') >= 0: TypeError: a
bytes-like object is required, not 'str'. I know my code is not a
minimal working example but I don't know how to abstract the problem
such that I can reproduce the error. I already tried buf.find('***identified***').encode() but that did not solve the issue.