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ApacheでPythonを実行する

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概要

ApacheでPythonを実行できる環境を整えます。

#環境

  • Arch Linux 5.0.6
  • Apache 2.4
  • Python 3.7

mod_wsgiとは

WSGIとはWeb Server Gateway Interfaceの略で、mod_wsgiは、Graham Dumpletonにより開発されたWebサーバとPythonで作成したコードをつなげるためのインターフェイスです。以前はmod_pythonが主流でしたが、開発が終了したため、現在はmod_wsgiが使われています。

mod_wsgiのインストール

# pacman -S mod_wsgi

Apacheの設定ファイルの変更

/etc/httpd/conf/httpd.confに以下の行を追加します。

/etc/httpd/conf/httpd.conf
LoadModule wsgi_module modules/mod_wsgi.so

動作確認

テストファイルを作成し、Apacheの設定ファイルに以下を追加します。

/srv/http/wsgi_app.py
#-*- coding: utf-8 -*-
def wsgi_app(environ, start_response):
    import sys
    output = sys.version.encode('utf8')
    status = '200 OK'
    headers = [('Content-type', 'text/plain'),
               ('Content-Length', str(len(output)))]
    start_response(status, headers)
    yield output

application = wsgi_app
/etc/httpd/conf/httpd.conf
WSGIScriptAlias /wsgi_app /srv/http/wsgi_app.py

Apacheを再起動します。

# systemctl restart httpd

curlコマンドで確認

$ curl http://localhost/wsgi_app
3.7.3 (default, Mar 26 2019, 21:43:19) 
[GCC 8.2.1 20181127]
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