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POcan't concatenate strings in Python-3
 

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  1. POcan't concatenate strings in Python-3
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    <p>when running this script in Python-3:</p> <pre><code>#!/usr/bin/python # -*- coding: utf-8 -*- import socket import random import os import threading import sys class bot(threading.Thread): def __init__( self, net, port, user, nick, start_chan ): self.id= random.randint(0,1000) self.irc = socket.socket ( socket.AF_INET, socket.SOCK_STREAM ) self.irc_connect ( net, port ) self.irc_set_user( user,nick ) self.irc_join( start_chan ) self.finnish=False threading.Thread.__init__(self) def run( self ): while not self.finnish: serv_data_rec = self.irc.recv ( 4096 ) if serv_data_rec.find ( "PING" ) != -1: self.irc.send( "PONG"+ serv_data_rec.split() [ 1 ] + "\r\n" ) elif serv_data_rec.find("PRIVMSG")!= -1: line = serv_data_rec.split( "!" ) [ 0 ] + " :" + serv_data_rec.split( ":" ) [ 2 ] self.irc_log( line ) self.irc_message( line ) def stop( self ): self.finnish = True self.irc_quit() def irc_connect( self, net, port ): self.net = net self.port = port self.irc.connect ( ( net, port ) ) def irc_set_user( self, user, nick ): self.user = user self.nick = nick self.irc.send( "NICK " + nick + "\r\n" ) self.irc.send( "USER " + user + "\r\n" ) def irc_join( self, chan ): self.chan = chan self.irc.send( "JOIN " + chan + "\r\n" ) def irc_message( self, msg ): self.irc.send( "PRIVMSG " + self.chan+" " + msg + " \r\n" ) def irc_message_nick( self, msg , nick): self.irc.send( "PRIVMSG " + self.chan+" " + nick + " " + msg + " \r\n" ) def irc_ping( self ): self.irc.send("PING :" + self.net) def irc_log( self, line ): if not os.path.exists("./logs"): os.makedirs("./logs") f = open("./logs/" + self.net + self.chan + "#" + "% s" %self.id,'a') try: f.write( line ) finally: f.close() def irc_quit( self ): self.irc.send( "QUIT\r\n" ) def irc_quit_msg(self, msg): self.irc.send( "QUIT :" + msg + "\r\n" ) def main(): bot_main= bot( "irc.freenode.net",6667,"botty botty botty :Python IRC","hello_nick","#martin3333" ) bot_main.start() while 1: inp = raw_input() if inp =="!QUIT": bot_main.stop() break sys.exit(0) if __name__ == '__main__': main() </code></pre> <p>I get the following traceback:</p> <pre><code>File "./hatebozzer.py", line 84, in &lt;module&gt; if __name__ == '__main__': main() File "./hatebozzer.py", line 75, in main bot_main= bot( "irc.freenode.net",6667,"botty botty botty :Python IRC","hello_nick","#martin3333" ) File "./hatebozzer.py", line 14, in __init__ self.irc_set_user( user,nick ) File "./hatebozzer.py", line 43, in irc_set_user self.irc.send( "NICK " + nick + "\r\n" ) TypeError: 'str' does not support the buffer interface </code></pre> <p>I know that strings are treated completly differently in Python 3, but I am not trying to convert strings or do anything exotic. I just want to concatenate them, so what did I wrong here?</p>
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    1. USDominik C
    1. USMartin Erhardt
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    1. COIt's not the concatenation, `.send()` receives the string you want it to receive. It just isn't happy with getting a string.
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    2. CO@delnan but why is it working in Python-2.x then?
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      1. USMartin Erhardt
    3. COSee [this answer](http://stackoverflow.com/a/2411981/264775) - strings are handled differently between Python 3 and Python 2.
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      1. USthegrinner
 

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