POE::Component::IRC::Cookbook::Translator - A bot that can translate text
This bot uses POE::Component::Lingua::Translate
to translate text for channel members. It makes use of the BotCommand plugin
to handle the translate command.
#!/usr/bin/perl
use strict;
use warnings;
use Encode qw(decode);
use Encode::Guess;
use POE;
use POE::Component::IRC::Common qw(parse_user);
use POE::Component::IRC::State;
use POE::Component::IRC::Plugin::AutoJoin;
use POE::Component::IRC::Plugin::BotCommand;
use POE::Component::Lingua::Translate;
POE::Session->create(
package_states => [
main => [ qw(_start irc_botcmd_trans translated) ]
],
heap => {
translators => { },
}
);
$poe_kernel->run();
sub _start {
my $heap = $_[HEAP];
my $irc = POE::Component::IRC::State->spawn(
Nick => 'translator_bot',
Server => 'irc.freenode.net',
);
$heap->{irc} = $irc;
$irc->plugin_add('AutoJoin', POE::Component::IRC::Plugin::AutoJoin->new(
Channels => [ '#test_channel1', '#test_channel2' ]
));
$irc->plugin_add('BotCommand', POE::Component::IRC::Plugin::BotCommand->new(
Commands => {
trans => 'Usage: trans <from>,<to> <text>'
}
));
$irc->yield(register => 'botcmd_trans');
$irc->yield(connect => );
return;
}
sub irc_botcmd_trans {
my $heap = $_[HEAP];
my $irc = $heap->{irc};
my $nick = parse_user( $_[ARG0] );
my $channel = $_[ARG1];
my ($from, $to, $text) = split /,|\s+/, $_[ARG2], 3;
if (!exists $heap->{translators}->{$from . $to}) {
eval {
$heap->{translators}->{$from . $to} = POE::Component::Lingua::Translate->new(
alias => $from . $to,
back_end => 'Babelfish',
src => $from,
dest => $to,
);
};
if ($@) {
$irc->yield(privmsg => $channel, "$nick: There was an error: $@");
return;
}
}
$poe_kernel->post($from . $to => translate =>
to_utf8($text),
{
channel => $channel,
nick => $nick,
}
);
return;
}
# Some IRC users use CP1252, some use UTF-8. Let's decode it properly.
sub to_utf8 {
my ($line) = @_;
my $utf8 = guess_encoding($line, 'utf8');
return ref $utf8 ? decode('utf8', $line) : decode('cp1252', $line);
}
sub translated {
my $irc = $_[HEAP]->{irc};
my ($text, $context, $error) = @_[ARG0, ARG1, ARG2];
if ($error) {
$irc->yield(
'privmsg',
$context->{channel},
$context->{nick} . ": There was an error: $error",
);
return;
}
$irc->yield(
'privmsg',
$context->{channel},
$context->{nick} . ': ' . $text,
);
return;
}
Hinrik Örn Sigurðsson, hinrik.sig@gmail.com