ブログを放置していて、Release v5.0.0-alpha.1 · stephenmcd/mezzanine がリリースされていたのに気づかずにいました。alphaというのが気になりますが、Django 1.x のままでいるのもセキュリティ的にリスクがあると思いましたので、思い切って更新しようかと思います。

更新時に起こったエラー、実施したことを記載します。

前提

以下の環境で実施しています。

  • OS

cat /etc/redhat-release
CentOS Linux release 7.9.2009 (Core)

  • Python Version

python3.6 -V
Python 3.6.7

  • Package

python3.6 -m pip list | grep Django
Django                     1.11.20

python3.6 -m pip list | grep Mezzanine
Mezzanine                  4.3.1

Upgrade

  • 現状 Version の確認

    UPGRADE 前の pip listの結果です。

    python3.6 -m pip list
Package                    Version
-------------------------- ---------
beautifulsoup4             4.7.1
bleach                     3.1.0
cachetools                 3.1.0
certifi                    2019.3.9
chardet                    3.0.4
coreapi                    2.3.3
coreschema                 0.0.4
cssmin                     0.2.0
Django                     1.11.20
django-appconf             1.0.3
django-contrib-comments    1.9.1
django-cookies-samesite    0.2.0
django-critical            0.1.1
django-crontab             0.7.1
django-csp                 3.5
django-csp-reports         1.2
django-extensions          2.1.6
django-filter              2.1.0
django-geoip2-extras       1.1.2
django-guess               0.0.1
django-health-check        3.12.1
django-htmlmin             0.11.0
django-oauth-toolkit       1.1.3
django-recaptcha           2.0.6
django-request             1.5.4
django-rest-swagger        2.2.0
django-robots              3.1.0
django-webpack-loader      0.6.0
djangorestframework        3.9.2
filebrowser-safe           0.5.0
future                     0.17.1
geoip2                     2.9.0
get                        2019.4.13
google-api-python-client   1.7.8
google-auth                1.6.3
google-auth-httplib2       0.0.3
Google2Pandas              0.1.1
grappelli-safe             0.5.2
html5lib                   1.0.1
httplib2                   0.12.3
idna                       2.8
itypes                     1.1.0
Jinja2                     2.10.1
Markdown                   3.1
MarkupSafe                 1.1.1
maxminddb                  2.0.2
mecab-python3              0.996.2
Mezzanine                  4.3.1
mezzanine-api              0.7.1
mezzanine-pagedown         1.3
mezzanine-pubsubhubbub-pub 0.0.5
mock                       2.0.0
numpy                      1.16.3
oauth2client               4.1.3
oauthlib                   3.0.1
openapi-codec              1.3.2
pandas                     0.24.2
pbr                        5.1.3
Pillow                     6.0.0
pip                        20.3.3
post                       2019.4.13
psutil                     5.7.2
psycopg2                   2.8.2
public                     2019.4.13
pyasn1                     0.4.5
pyasn1-modules             0.2.5
Pygments                   2.3.1
pymdown-extensions         6.0
python-dateutil            2.8.0
python-memcached           1.59
pytz                       2019.1
query-string               2019.4.13
request                    2019.4.13
requests                   2.21.0
requests-oauthlib          1.2.0
rsa                        4.0
scikit-learn               0.20.3
scipy                      1.2.1
setuptools                 39.0.1
simplejson                 3.16.0
six                        1.12.0
soupsieve                  1.9.1
tzlocal                    1.5.1
uritemplate                3.0.0
urllib3                    1.24.2
webencodings               0.5.1

    • UPGRADE実行

    python3.6 -m pip install Mezzanine -U
Requirement already satisfied: Mezzanine in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (4.3.1)
Requirement already satisfied: django<1.12,>=1.8 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from Mezzanine) (1.11.20)
Requirement already satisfied: requests>=2.1.0 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from Mezzanine) (2.21.0)
Requirement already satisfied: bleach>=2.0 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from Mezzanine) (3.1.0)
Requirement already satisfied: future>=0.9.0 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from Mezzanine) (0.17.1)
Requirement already satisfied: grappelli-safe>=0.5.0 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from Mezzanine) (0.5.2)
Requirement already satisfied: django-contrib-comments in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from Mezzanine) (1.9.1)
Requirement already satisfied: beautifulsoup4>=4.5.3 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from Mezzanine) (4.7.1)
Requirement already satisfied: pillow in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from Mezzanine) (6.0.0)
Requirement already satisfied: requests-oauthlib>=0.4 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from Mezzanine) (1.2.0)
Requirement already satisfied: tzlocal>=1.0 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from Mezzanine) (1.5.1)
Requirement already satisfied: chardet in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from Mezzanine) (3.0.4)
Requirement already satisfied: filebrowser-safe>=0.5.0 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from Mezzanine) (0.5.0)
Requirement already satisfied: soupsieve>=1.2 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from beautifulsoup4>=4.5.3->Mezzanine) (1.9.1)
Requirement already satisfied: six>=1.9.0 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from bleach>=2.0->Mezzanine) (1.12.0)
Requirement already satisfied: webencodings in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from bleach>=2.0->Mezzanine) (0.5.1)
Requirement already satisfied: pytz in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from django<1.12,>=1.8->Mezzanine) (2019.1)
Requirement already satisfied: idna<2.9,>=2.5 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from requests>=2.1.0->Mezzanine) (2.8)
Requirement already satisfied: certifi>=2017.4.17 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from requests>=2.1.0->Mezzanine) (2019.3.9)
Requirement already satisfied: urllib3<1.25,>=1.21.1 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from requests>=2.1.0->Mezzanine) (1.24.2)
Requirement already satisfied: oauthlib>=3.0.0 in /var/www/python-venv/blog/.venv/lib/python3.6/site-packages (from requests-oauthlib>=0.4->Mezzanine) (3.0.1)

    • check コマンドによる確認

    Django の check コマンド エラーとならないか確認します。

    python3.6 manage.py check
System check identified no issues (0 silenced).

    • Makemigrations の実行

    makemigrations を実行します。

    python3.6 manage.py makemigrations
Migrations for 'request':
  /var/www/python-venv/blog/.venv/lib64/python3.6/site-packages/request/migrations/0006_auto_20201223_0029.py
    - Alter field method on request

    • migrate の実行

    python3.6 manage.py migrate
Operations to perform:
  Apply all migrations: admin, auth, blog, conf, contenttypes, core, cspreports, django_comments, forms, galleries, generic, guess, pages, redirects, request, robots, sessions, sites, twitter
Running migrations:
  Applying request.0006_auto_20201223_0029... OK

    • migrationファイルの中身

    HTTPリクエストのメソッド名の長さが変わったようです。

    CONNECT、OPTIONS が7文字あるので、それを設定したいのかなと思います。

    # -*- coding: utf-8 -*-
# Generated by Django 1.11.20 on 2020-12-22 15:29
from __future__ import unicode_literals

from django.db import migrations, models

class Migration(migrations.Migration):

    dependencies = [
        ('request', '0005_alter_request_user'),
    ]

    operations = [
        migrations.AlterField(
            model_name='request',
            name='method',
            field=models.CharField(default='GET', max_length=7, verbose_name='method'),
        ),
    ]

    • サーバ起動後の確認

    サーバーを起動して挙動を確認してみます。

    apachectl restart

    起動後に画面確認をしたところ、無事表示できました。

Release v5.0.0-alpha.1 · stephenmcd/mezzanine を見ると、破壊的変更もありビクビクしてましたが、問題なくアップグレードできました。

以上です。

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