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Web server wrapper for mystem
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| #!/usr/bin/perl | |
| use Mojo::Base -strict; | |
| use Mojo::JSON::MaybeXS; | |
| use Mojo::JSON 'decode_json'; | |
| use Mojolicious::Lite; | |
| use IPC::Open3; | |
| use Mojo::IOLoop; | |
| my $mystem_path = '/usr/local/bin/mystem'; | |
| my $write = new IO::Handle; | |
| my $read = new IO::Handle; | |
| my $pid = open3($write, $read, undef, $mystem_path, '-gi', '-d', '-c', '--format', 'json'); | |
| sub analyze { | |
| my $text = shift; | |
| utf8::decode($text); | |
| my $result = []; | |
| for my $line (split /\r?\n/, $text) { | |
| my $message = "$line\n"; | |
| utf8::encode($message); | |
| syswrite $write, $message, length($message); | |
| my ($ans, $res) = ('', undef); | |
| while (1) { | |
| my $len = sysread $read, my $data, 65535; | |
| $ans .= $data; | |
| $res = eval { decode_json $ans }; | |
| last unless $@; | |
| } | |
| push @$result, @$res; | |
| } | |
| return $result; | |
| } | |
| sub get_lemma { | |
| my $o = shift; | |
| return $o->{analysis}[0]{lex} if $o->{analysis}; | |
| return $o->{text} if $o->{text}; | |
| return undef; | |
| } | |
| sub lemmatize { | |
| my $text = shift; | |
| my $infos = analyze($text); | |
| my @lemmas = grep { $_ } map { get_lemma($_) } @$infos; | |
| return @lemmas; | |
| } | |
| sub lemmatize_to_string { | |
| return join '', lemmatize(shift); | |
| } | |
| any '/' => sub { | |
| my $c = shift; | |
| my $text = $c->param('text'); | |
| $c->render(json => analyze($text)); | |
| }; | |
| any '/lemmatize' => sub { | |
| my $c = shift; | |
| my $text = $c->param('text'); | |
| $c->render(text => lemmatize_to_string($text)); | |
| }; | |
| Mojo::IOLoop->singleton->on(finish => sub { | |
| my $loop = shift; | |
| $write->close; | |
| waitpid $pid, 0; | |
| }); | |
| app->start; |
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