2020年9月10日木曜日

Djangoチュートリアル5でのテスト実行時エラー

テストの実行

https://docs.djangoproject.com/ja/3.1/intro/tutorial05/#running-tests

上記のDjangoの自動テストのチュートリアルにて、以下のコマンドを実行。

BACK全選択
  1. $ python manage.py test polls

実行後、下記のエラーメッセージが表示された。

BACK全選択
  1. $ python manage.py test polls
  2. Creating test database for alias 'default'...
  3. Traceback (most recent call last):
  4.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/core/management/base.py", line 328, in run_from_argv
  5.     self.execute(*args, **cmd_options)
  6.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/core/management/base.py", line 369, in execute
  7.     output = self.handle(*args, **options)
  8.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/core/management/commands/test.py", line 53, in handle
  9.     failures = test_runner.run_tests(test_labels)
  10.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/test/runner.py", line 684, in run_tests
  11.     old_config = self.setup_databases(aliases=databases)
  12.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/test/runner.py", line 604, in setup_databases
  13.     return _setup_databases(
  14.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/test/utils.py", line 169, in setup_databases
  15.     connection.creation.create_test_db(
  16.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/backends/base/creation.py", line 60, in create_test_db
  17.     self.connection.close()
  18.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/utils/asyncio.py", line 26, in inner
  19.     return func(*args, **kwargs)
  20.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/backends/sqlite3/base.py", line 261, in close
  21.     if not self.is_in_memory_db():
  22.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/backends/sqlite3/base.py", line 380, in is_in_memory_db
  23.     return self.creation.is_in_memory_db(self.settings_dict['NAME'])
  24.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/backends/sqlite3/creation.py", line 12, in is_in_memory_db
  25.     return database_name == ':memory:' or 'mode=memory' in database_name
  26. TypeError: argument of type 'PosixPath' is not iterable
  27.  
  28. During handling of the above exception, another exception occurred:
  29.  
  30. Traceback (most recent call last):
  31.   File "manage.py", line 22, in <module>
  32.     main()
  33.   File "manage.py", line 18, in main
  34.     execute_from_command_line(sys.argv)
  35.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/core/management/__init__.py", line 401, in execute_from_command_line
  36.     utility.execute()
  37.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/core/management/__init__.py", line 395, in execute
  38.     self.fetch_command(subcommand).run_from_argv(self.argv)
  39.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/core/management/commands/test.py", line 23, in run_from_argv
  40.     super().run_from_argv(argv)
  41.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/core/management/base.py", line 341, in run_from_argv
  42.     connections.close_all()
  43.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/utils.py", line 230, in close_all
  44.     connection.close()
  45.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/utils/asyncio.py", line 26, in inner
  46.     return func(*args, **kwargs)
  47.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/backends/sqlite3/base.py", line 261, in close
  48.     if not self.is_in_memory_db():
  49.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/backends/sqlite3/base.py", line 380, in is_in_memory_db
  50.     return self.creation.is_in_memory_db(self.settings_dict['NAME'])
  51.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/backends/sqlite3/creation.py", line 12, in is_in_memory_db
  52.     return database_name == ':memory:' or 'mode=memory' in database_name
  53. TypeError: argument of type 'PosixPath' is not iterable
  54. MackBook-Pro-2013:mysite dev_user$
  55. MackBook-Pro-2013:mysite dev_user$
  56. MackBook-Pro-2013:mysite dev_user$ python manage.py test polls
  57. Creating test database for alias 'default'...
  58. Traceback (most recent call last):
  59.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/core/management/base.py", line 328, in run_from_argv
  60.     self.execute(*args, **cmd_options)
  61.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/core/management/base.py", line 369, in execute
  62.     output = self.handle(*args, **options)
  63.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/core/management/commands/test.py", line 53, in handle
  64.     failures = test_runner.run_tests(test_labels)
  65.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/test/runner.py", line 684, in run_tests
  66.     old_config = self.setup_databases(aliases=databases)
  67.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/test/runner.py", line 604, in setup_databases
  68.     return _setup_databases(
  69.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/test/utils.py", line 169, in setup_databases
  70.     connection.creation.create_test_db(
  71.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/backends/base/creation.py", line 60, in create_test_db
  72.     self.connection.close()
  73.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/utils/asyncio.py", line 26, in inner
  74.     return func(*args, **kwargs)
  75.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/backends/sqlite3/base.py", line 261, in close
  76.     if not self.is_in_memory_db():
  77.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/backends/sqlite3/base.py", line 380, in is_in_memory_db
  78.     return self.creation.is_in_memory_db(self.settings_dict['NAME'])
  79.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/backends/sqlite3/creation.py", line 12, in is_in_memory_db
  80.     return database_name == ':memory:' or 'mode=memory' in database_name
  81. TypeError: argument of type 'PosixPath' is not iterable
  82.  
  83. During handling of the above exception, another exception occurred:
  84.  
  85. Traceback (most recent call last):
  86.   File "manage.py", line 22, in <module>
  87.     main()
  88.   File "manage.py", line 18, in main
  89.     execute_from_command_line(sys.argv)
  90.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/core/management/__init__.py", line 401, in execute_from_command_line
  91.     utility.execute()
  92.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/core/management/__init__.py", line 395, in execute
  93.     self.fetch_command(subcommand).run_from_argv(self.argv)
  94.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/core/management/commands/test.py", line 23, in run_from_argv
  95.     super().run_from_argv(argv)
  96.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/core/management/base.py", line 341, in run_from_argv
  97.     connections.close_all()
  98.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/utils.py", line 230, in close_all
  99.     connection.close()
  100.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/utils/asyncio.py", line 26, in inner
  101.     return func(*args, **kwargs)
  102.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/backends/sqlite3/base.py", line 261, in close
  103.     if not self.is_in_memory_db():
  104.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/backends/sqlite3/base.py", line 380, in is_in_memory_db
  105.     return self.creation.is_in_memory_db(self.settings_dict['NAME'])
  106.   File "/Users/dev_user/.pyenv/versions/3.8.3/lib/python3.8/site-packages/django/db/backends/sqlite3/creation.py", line 12, in is_in_memory_db
  107.     return database_name == ':memory:' or 'mode=memory' in database_name
  108. TypeError: argument of type 'PosixPath' is not iterable

修正箇所は、「/mysite/settings.py」のDATABASES設定内。

'NAME': BASE_DIR / 'db.sqlite3',

↓

'NAME': str( BASE_DIR / 'db.sqlite3' ),

os.pathの方を使えばこのエラーは起きなさそう。


参考サイト

Fixed #29983 -- Replaced os.path with pathlib.Path. #10684

https://github.com/django/django/pull/10684

How to use pathlib.Path in Django?

https://github.com/django/django/pull/10684

Django tutorial: `python manage.py startapp polls` fails

https://forum.djangoproject.com/t/django-tutorial-python-manage-py-startapp-polls-fails/2718

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