実現したいこと
youtubeにて
djangoでデプロイしようとし requirements.txt, requirements.dev.txt Procfile,runtimeファイル を作成し、settings.py にて書き換えをし、デプロイを行おうとした
発生している問題
python manage.py runserver 時に エラーが発生
tem check identified no issues (0 silenced).
Exception in thread django-main-thread:
Traceback (most recent call last):
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/backends/base/base.py", line 219, in ensure_connection
self.connect()
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/utils/asyncio.py", line 33, in inner
return func(*args, **kwargs)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/backends/base/base.py", line 200, in connect
self.connection = self.get_new_connection(conn_params)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/utils/asyncio.py", line 33, in inner
return func(*args, **kwargs)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/backends/sqlite3/base.py", line 209, in get_new_connection
conn = Database.connect(**conn_params)
sqlite3.OperationalError: unable to open database file
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/threading.py", line 973, in _bootstrap_inner
self.run()
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/threading.py", line 910, in run
self._target(*self._args, **self._kwargs)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/utils/autoreload.py", line 64, in wrapper
fn(*args, **kwargs)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/core/management/commands/runserver.py", line 121, in inner_run
self.check_migrations()
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/core/management/base.py", line 486, in check_migrations
executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/migrations/executor.py", line 18, in __init__
self.loader = MigrationLoader(self.connection)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/migrations/loader.py", line 53, in __init__
self.build_graph()
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/migrations/loader.py", line 220, in build_graph
self.applied_migrations = recorder.applied_migrations()
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/migrations/recorder.py", line 77, in applied_migrations
if self.has_table():
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/migrations/recorder.py", line 55, in has_table
with self.connection.cursor() as cursor:
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/utils/asyncio.py", line 33, in inner
return func(*args, **kwargs)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/backends/base/base.py", line 259, in cursor
return self._cursor()
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/backends/base/base.py", line 235, in _cursor
self.ensure_connection()
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/utils/asyncio.py", line 33, in inner
return func(*args, **kwargs)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/backends/base/base.py", line 219, in ensure_connection
self.connect()
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/utils.py", line 90, in __exit__
raise dj_exc_value.with_traceback(traceback) from exc_value
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/backends/base/base.py", line 219, in ensure_connection
self.connect()
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/utils/asyncio.py", line 33, in inner
return func(*args, **kwargs)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/backends/base/base.py", line 200, in connect
self.connection = self.get_new_connection(conn_params)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/utils/asyncio.py", line 33, in inner
return func(*args, **kwargs)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/backends/sqlite3/base.py", line 209, in get_new_connection
conn = Database.connect(**conn_params)
django.db.utils.OperationalError: unable to open database file
ソースコード
python manage.py runserver
自分で試したこと
google で検索
補足情報
youtubeにて
【無料簡単】Django Herokuデプロイチュートリアル
回答 7件
回答するにはログインが必要です
こちらローカルで動かないということでしょうか。
もしそうであれば、db.sqlite3ファイルを削除して、もう一度migrateしてみてください。
こちら参考にしてみてください。
https://stackoverflow.com/questions/62580240/django-cannot-import-name-config-from-decouple
pip uninstall decouple
pip install python-decouple
msgrate しようとしすると、このようにエラーが発生いたしました。よろしくお願いしたします。
. . .
Traceback (most recent call last):
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/core/management/base.py", line 354, in run_from_argv
self.execute(*args, **cmd_options)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/core/management/base.py", line 398, in execute
output = self.handle(*args, **options)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/core/management/base.py", line 86, in wrapped
saved_locale = translation.get_language()
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/utils/translation/init.py", line 254, in get_language
return _trans.get_language()
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/utils/translation/init.py", line 57, in getattr
if settings.USE_I18N:
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/conf/init.py", line 82, in getattr
self._setup(name)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/conf/init.py", line 69, in _setup
self._wrapped = Settings(settings_module)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/conf/init.py", line 170, in init
mod = importlib.import_module(self.SETTINGS_MODULE)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/importlib/init.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 850, in exec_module
File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
File "/Users/nishimuraryoutarou/Desktop/app4/project/settings.py", line 14, in <module>
from decouple import config
ImportError: cannot import name 'config' from 'decouple' (/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/decouple/init.py)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Users/nishimuraryoutarou/Desktop/app4/manage.py", line 22, in <module>
main()
File "/Users/nishimuraryoutarou/Desktop/app4/manage.py", line 18, in main
execute_from_command_line(sys.argv)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/core/management/init.py", line 419, in execute_from_command_line
utility.execute()
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/core/management/init.py", line 413, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/core/management/base.py", line 367, in run_from_argv
connections.close_all()
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/utils.py", line 208, in close_all
for alias in self:
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/utils/connection.py", line 73, in iter
return iter(self.settings)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/utils/functional.py", line 48, in get
res = instance.dict[self.name] = self.func(instance)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/utils/connection.py", line 45, in settings
self._settings = self.configure_settings(self._settings)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/db/utils.py", line 144, in configure_settings
databases = super().configure_settings(databases)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/utils/connection.py", line 50, in configure_settings
settings = getattr(django_settings, self.settings_name)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/conf/init.py", line 82, in getattr
self._setup(name)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/conf/init.py", line 69, in _setup
self._wrapped = Settings(settings_module)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/conf/init.py", line 170, in init
mod = importlib.import_module(self.SETTINGS_MODULE)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/importlib/init.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 850, in exec_module
File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
File "/Users/nishimuraryoutarou/Desktop/app4/project/settings.py", line 14, in <module>
from decouple import config
ImportError: cannot import name 'config' from 'decouple' (/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/decouple/init.py)
. . .
コードはマークダウン形式で、
```
```
こちらで囲むようにお願いします。
msgrate しようとしすると、このようにエラーが発生いたしました。よろしくお願いしたします。
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Users/nishimuraryoutarou/Desktop/app4/manage.py", line 22, in <module>
main()
File "/Users/nishimuraryoutarou/Desktop/app4/manage.py", line 18, in main
execute_from_command_line(sys.argv)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/core/management/init.py", line 419, in execute_from_command_line
utility.execute()
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/core/management/init.py", line 413, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/core/management/init.py", line 244, in fetch_command
settings.INSTALLED_APPS
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/conf/init.py", line 82, in getattr
self._setup(name)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/conf/init.py", line 69, in _setup
self._wrapped = Settings(settings_module)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/django/conf/init.py", line 170, in init
mod = importlib.import_module(self.SETTINGS_MODULE)
File "/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/importlib/init.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 850, in exec_module
File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
File "/Users/nishimuraryoutarou/Desktop/app4/project/settings.py", line 14, in <module>
from decouple import config
ImportError: cannot import name 'config' from 'decouple' (/Users/nishimuraryoutarou/opt/anaconda3/envs/app4/lib/python3.9/site-packages/decouple/init.py)
settings.pyのデータベースの設定はどのようになっていますでしょうか？
1
default_dburl = 'sqlite://' + str(BASE_DIR / "db.sqlite3")
DATABASES = {
'default': config('DATABASE_URL', default=default_dburl, cast=dburl),
}