eleksir/mbot-brains
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eleksir
2020-10-24 15:25:17 +03:00
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.perlcriticrc Normal file
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[-Modules::RequireExplicitPackage]
[-Modules::RequireVersionVar]
[-CodeLayout::RequireTidyCode]
[-ControlStructures::ProhibitUnlessBlocks]
[-Subroutines::ProhibitSubroutinePrototypes]

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BSD 2-Clause License
Copyright (c) 2020, Sergei Fedosov
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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README Normal file
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mbot-brains
------------------------------------------------------------------------------
What is it?
------------------------------------------------------------------------------
Sample PSGI service implementing markov chain chat module.
What for?
------------------------------------------------------------------------------
For fun. And for MBot framework.
How to run it?
------------------------------------------------------------------------------
First things you need - some modules from cpan or from your distro. See
cpanfile. You can bootstrap required modules to vendor_perl dir with cpanm and
bootstrap.sh script.
To run this service you need application server capable to run PSGI apps.
There are plenty of PSGI servers: uWSGI, Starman, Plack, Nginx UNIT, Twiggy,
etc. I prefer uWSGI, but Starman can provide more insights for debugging.
With uwsgi:
/usr/bin/uwsgi --ini /path/to/uwsgi.ini --pidfile /path/to/pidile.pid \
--logto /path/to/uwsgi.log --psgi /path/to/mbot-brains.psgi \
--perl-local-lib /path/to/vendor_perl
With Starman:
PERl5LIB=/path/to/vendor_perl /path/to/starman --listen 127.0.0.1:3000 \
/path/to/mbot-brains.psgi

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bootstrap.sh Normal file
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#!/bin/bash
cpanm -l vendor_perl --self-contained --force --update --installdeps .
# vim: set ft=sh noet ai ts=4 sw=4 sts=4:

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cpanfile Normal file
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requires 'Plack';
requires 'Hailo';
requires 'Config::INI::Reader';
requires 'local::lib';

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data/config.ini Normal file
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[brain]
dir = data

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mbot-brains.psgi Normal file
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use strict;
use warnings;
use utf8;
use lib qw(. ./vendor_perl/lib/perl5);
use Config::INI::Reader;
use Hailo;
my $config = Config::INI::Reader->read_file ('data/config.ini');
my $braindir = $config->{brain}->{dir};
unless (-d $braindir) {
die "Directory $braindir does not exists\n";
}
my %brain;
# just return answer
sub answer (@) {
my $chat = shift;
my $phrase = shift;
unless (defined $brain{$chat}) {
my $brain = sprintf '%s/%s.brain.sqlite', $braindir, $chat;
$brain{$chat} = Hailo->new (
brain => $brain,
order => 3,
);
}
my $msg = $brain{$chat}->reply($phrase);
return ('200', 'text/plain', $msg);
}
# swallow phrase and return answer
sub learn (@) {
my $chat = shift;
my $phrase = shift;
unless (defined $brain{$chat}) {
my $brain = sprintf '%s/%s.brain.sqlite', $braindir, $chat;
$brain{$chat} = Hailo->new (
brain => $brain,
order => 3,
);
}
$brain{$chat}->learn($phrase);
return ('200', 'text/plain', 'OK');
}
my $app = sub {
my $env = shift;
my $msg = "Not Found\n";
my $status = '404';
my $content = 'text/plain';
if ($env->{PATH_INFO} eq '/learn' && $env->{REQUEST_METHOD} eq 'POST') {
($status, $content, $msg) = learn ($env->{HTTP_CHAT}, $env->{HTTP_PHRASE});
}
if ($env->{PATH_INFO} eq '/answer' && $env->{REQUEST_METHOD} eq 'POST') {
($status, $content, $msg) = answer ($env->{HTTP_CHAT}, $env->{HTTP_PHRASE});
}
return [
$status,
[ 'Content-Type' => $content, 'Content-Length' => length $msg ],
[ $msg ],
];
};
__END__
# vim: set ft=perl noet ai ts=4 sw=4 sts=4:

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uwsgi.ini Normal file
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[uwsgi]
http-socket = 127.0.0.1:4000
tcp-nodelay = true
tcp-fastopen = 64
thunder-lock = true
logformat = %(ctime) %(var.REMOTE_ADDR) %(var.REQUEST_METHOD) %(var.REQUEST_URI) %(status) %(rsize) %(msecs)
log-reopen = yes
processes = 1
plugins = psgi
need-app = true
reload-mercy = 5
buffer-size = 32768
log-5xx = true
log-4xx = true
disable-logging = true
die-on-term = true
perl-exec = /dev/zero