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---
title: Tumblr の引用だけを Twitter に通知する Perl スクリプト
author: kazu634
date: 2010-03-29
wordtwit_post_info:
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categories:
- Perl
---
<div class="section">
<p>
書いてみました。
</p>
<h4>
何が問題だったの？
</h4>
<p>
Tumblr に付属の Twitter 連携だと、画像とかも Twitter に通知されてしまうので、タイムラインが流れてしまいます（どうしても画像がメインになってしまいますよね。。。）。個人的にこれはあまりいい状況ではないと思っていました。そのために、 Tumblr の Twitter 連携機能をオフにしていました。ですが、個人的には引用だけを Twitter に通知したかったので、 Tumblr と Twitter の API を活用して、連携させました。
</p>
<h4>
ソース
</h4>
<p>
Perl で書きました。そのうち gauche に移植する！
</p>
<pre class="syntax-highlight">
# === Libraries ===
use strict<span class="synComment">;</span>
use warnings<span class="synComment">;</span>
use Perl<span class="synConstant">6</span>::Say<span class="synComment">;</span>
use YAML::Syck<span class="synComment">;</span>
use WebService::Simple<span class="synComment">;</span>
use XML::Simple<span class="synComment">;</span>
use utf<span class="synConstant">8</span><span class="synComment">;</span>
use Encode<span class="synComment">;</span>
use Config::Auto<span class="synComment">;</span>
use Net::Twitter<span class="synComment">;</span>
# === Until what ID <span class="synStatement">number</span> <span class="synStatement">do</span> I <span class="synStatement">get</span> from my favorites ===
my $recent_id <span class="synStatement">=</span> <span class="synConstant"></span><span class="synComment">; # variant for storing the recent-obtained ID number</span>
# Read <span class="synStatement">the</span> ID <span class="synStatement">number</span> from <span class="synStatement">the</span> configuration file, .get_tumblr,
# <span class="synStatement">if</span> it exists.
<span class="synStatement">if</span> <span class="synSpecial">(</span> -f <span class="synConstant">&#34;.get_tumblr&#34;</span> <span class="synSpecial">)</span> {
my $config <span class="synStatement">=</span> Config::Auto::parse<span class="synSpecial">(</span><span class="synConstant">&#34;.get_tumblr&#34;</span><span class="synSpecial">)</span><span class="synComment">;</span>
$recent_id <span class="synStatement">=</span> $config-&#62;{recent_id}<span class="synComment">;</span>
}
# === Tumblr から引用を取得する ===
my $tumblr <span class="synStatement">=</span>
WebService::Simple-&#62;new<span class="synSpecial">(</span> base_url =&#62; <span class="synConstant">&#34;http://tumblrのユーザー名.tumblr.com/api/read&#34;</span>, <span class="synSpecial">)</span><span class="synComment">;</span>
my $response <span class="synStatement">=</span> $tumblr-&#62;get<span class="synSpecial">(</span> { <span class="synStatement">type</span> =&#62; <span class="synSpecial">'</span><span class="synIdentifier">quote</span><span class="synSpecial">'</span><span class="synIdentifier">,</span> num =&#62; <span class="synSpecial">'</span><span class="synIdentifier">50</span><span class="synSpecial">'</span> } <span class="synSpecial">)</span><span class="synComment">;</span>
my $data <span class="synStatement">=</span> XMLin<span class="synSpecial">(</span> $response-&#62;content <span class="synSpecial">)</span><span class="synComment">;</span>
my @ids <span class="synStatement">=</span> <span class="synStatement">sort</span> keys %{ $data-&#62;{posts}-&#62;{post} }<span class="synComment">;</span>
# === 取得した XML データを操作する処理 ===
foreach my $id <span class="synSpecial">(</span>@ids<span class="synSpecial">)</span> {
next <span class="synStatement">if</span> <span class="synSpecial">(</span>$id <span class="synStatement">&#60;=</span> $recent_id<span class="synSpecial">)</span><span class="synComment">;</span>
my $text <span class="synStatement">=</span> encode<span class="synSpecial">(</span> <span class="synSpecial">'</span><span class="synIdentifier">utf-8</span><span class="synSpecial">'</span><span class="synIdentifier">,</span> $data-&#62;{posts}-&#62;{post}-&#62;{$id}-&#62;{<span class="synConstant">&#34;quote-text&#34;</span>} <span class="synSpecial">)</span><span class="synComment">;</span>
my $url <span class="synStatement">=</span> encode<span class="synSpecial">(</span> <span class="synSpecial">'</span><span class="synIdentifier">utf-8</span><span class="synSpecial">'</span><span class="synIdentifier">,</span> $data-&#62;{posts}-&#62;{post}-&#62;{$id}-&#62;{<span class="synConstant">&#34;quote-source&#34;</span>} <span class="synSpecial">)</span><span class="synComment">;</span>
# URLの処理
<span class="synStatement">if</span> <span class="synSpecial">(</span>$url <span class="synStatement">=</span>~ /&#60;a href=<span class="synConstant">&#34;([^&#34;</span>]+<span class="synSpecial">)</span><span class="synConstant">&#34;/) {</span>
<span class="synConstant"> $url = $1;</span>
<span class="synConstant"> } else {</span>
<span class="synConstant"> $url = encode( 'utf-8', $data-&#62;{posts}-&#62;{post}-&#62;{$id}-&#62;{&#34;</span>url<span class="synConstant">&#34;} );</span>
<span class="synConstant"> }</span>
<span class="synConstant"> # HTMLを除去する処理</span>
<span class="synConstant"> $text =~ s/&#60;a.*&#62;.+&#60;\/a&#62;://g;</span>
<span class="synConstant"> $text =~ s/&#60;.*?&#62;//g;</span>
<span class="synConstant"> $text =~ s/\(via?[^\)]+\)//g;</span>
<span class="synConstant"> $text =~ s/\n//g;</span>
<span class="synConstant"> $text =~ s/^\s+//g;</span>
<span class="synConstant"> chomp($text);</span>
<span class="synConstant"> # shorten URLs</span>
<span class="synConstant"> my $bitly = WebService::Simple-&#62;new(</span>
<span class="synConstant"> base_url =&#62; &#34;</span>http://api.<span class="synStatement">bit</span>.ly/shorten<span class="synConstant">&#34;,</span>
<span class="synConstant"> param =&#62; {</span>
<span class="synConstant"> login =&#62; &#34;</span><span class="synStatement">bit</span>.lyのユーザー名<span class="synConstant">&#34;,</span>
<span class="synConstant"> apiKey =&#62; &#34;</span><span class="synStatement">bit</span>.lyのAPIキー<span class="synConstant">&#34;,</span>
<span class="synConstant"> version =&#62; &#34;2.0.1&#34;,</span>
<span class="synConstant"> format =&#62; &#34;</span>xml<span class="synConstant">&#34;,</span>
<span class="synConstant"> }</span>
<span class="synConstant"> );</span>
<span class="synConstant"> my $bitly_result = $bitly-&#62;get( { longUrl =&#62; $url } );</span>
<span class="synConstant"> my $short =</span>
<span class="synConstant"> XMLin( $bitly_result-&#62;content )-&#62;{results}-&#62;{nodeKeyVal}-&#62;{shortUrl};</span>
<span class="synConstant"> $url = $short;</span>
<span class="synConstant"> # 文字数のカウント</span>
<span class="synConstant"> # UTFの場合注意が必要!</span>
<span class="synConstant"> # http://weeeblog.net/blog/2007/12/01_1445.php</span>
<span class="synConstant"> my $count_text = length( decode( 'utf-8', $text ) );</span>
<span class="synConstant"> my $count_url = length( decode( 'utf-8', $url ) );</span>
<span class="synConstant"> next if $text eq &#34;&#34;;</span>
<span class="synConstant"> my $twitter =</span>
<span class="synConstant"> Net::Twitter-&#62;new( { username =&#62; 'Twitterのユーザー名', password =&#62; 'Twitterのパスワード' } );</span>
<span class="synConstant"> if ( ( $count_text + $count_url + 16 ) &#60;= 140 ) {</span>
<span class="synConstant"> my $result = $twitter-&#62;update({status =&#62; &#34;</span>[<span class="synStatement">quote</span>] $text $url<span class="synConstant">&#34;});</span>
<span class="synConstant"> }</span>
<span class="synConstant"> else {</span>
<span class="synConstant"> # 投稿するスクリプトの整形処理</span>
<span class="synConstant"> my $display_text =</span>
<span class="synConstant"> substr( decode( 'utf-8', $text ), 0, ( 140 - ( $count_url + 12 ) ) );</span>
<span class="synConstant"> $text = decode( 'utf-8', $text);</span>
<span class="synConstant"> my $result = $twitter-&#62;update({status =&#62; &#34;</span>[<span class="synStatement">quote</span>] $display_text... $url<span class="synConstant">&#34;});</span>
<span class="synConstant"> }</span>
<span class="synConstant"> $recent_id = $id;</span>
<span class="synConstant"> last;</span>
<span class="synConstant">}</span>
<span class="synConstant"># === update the recent_id ===</span>
<span class="synConstant">open( FILE, '&#62; .get_tumblr' ) or die &#34;</span>$!<span class="synConstant">&#34;;</span>
<span class="synConstant">say FILE &#34;</span>recent_id=$recent_id<span class="synConstant">&#34;;</span>
<span class="synConstant">close(FILE);</span>
</pre>
<h4>
とりあえず
</h4>
<p>
自宅サーバで0時～8時の間で cron で回してみて結果を見てみます。
</p>
</div>
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