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Djangoのバージョンを1.11から2.0にする

Last updated at Posted at 2018-01-04

特にむずかしいことはなかった
https://docs.djangoproject.com/ja/2.0/howto/upgrade-version/

# python
Python 3.6.1 (default, Aug 20 2017, 06:03:52) 
[GCC 4.4.7 20120313 (Red Hat 4.4.7-18)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import django
>>> print(django.get_version())
1.11.4
 pip install -U Django
# python
Python 3.6.1 (default, Aug 20 2017, 06:03:52) 
[GCC 4.4.7 20120313 (Red Hat 4.4.7-18)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import django
>>> print(django.get_version())
2.0.1

urlモジュールを使っていた部分でエラー吐くようになったので
https://docs.djangoproject.com/ja/2.0/intro/tutorial01/
この辺のurls.pyを参考にして直した

例えばこの辺り

from django.conf.urls import include, url 

urlpatterns = [                                                                  
url(r'^accounts/', include('accounts.urls')),                               

from django.conf.urls import include, path

urlpatterns = [                                                                  
path('accounts/', include('accounts.urls')),                               

こんな感じになおすとエラーが解消された

/xxxxx/models.py

もう一箇所エラーを吐いていて

hoge = models.ForeignKey(fuga)

ってやっていたところがこけ始めたので

エラーメッセージみると

TypeError: __init__() missing 1 required positional argument: 'on_delete'

って、出てきたのでDjango2.0になってon_deleteが必須の引数になったらしい

参考
https://torina.top/detail/297/

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