... field" )) {'arr': [0, 1, 2]} 一般的な集計オプション すべての集計関数は、 filter キーワード引数を持ち、ほとんどの集計関数は default キーワード引数も持っています。 汎用的な集計関数 ¶ ArrayAgg ¶ class ArrayAgg ( expression , distinct = False , filter = Non ... e , default = None , order_by = () , ** extra ) ¶ null を含む値のリストを配列に連結して返すか、値がない場合は default を返す。 distinc ... ld" ) ArrayAgg ( "a_field" , order_by = F ( "some_field" ) . desc ()) BitAnd ¶ class BitAnd ( expression , filter = None , default = None , ** extra ) ¶ すべての非 null 入力値のビットごとの AND を返し、すべての値が null の場合は default を返します。 バー ... ... field" )) {'arr': [0, 1, 2]} 一般的な集計オプション すべての集計関数は、 filter キーワード引数を持ち、ほとんどの集計関数は default キーワード引数も持っています。 汎用的な集計関数 ¶ ArrayAgg ¶ class ArrayAgg ( expression , distinct = False , filter = Non ... e , default = None , order_by = () , ** extra ) ¶ null を含む値のリストを配列に連結して返すか、値がない場合は default を返す。 distinc ... ld" ) ArrayAgg ( "a_field" , order_by = F ( "some_field" ) . desc ()) BitAnd ¶ class BitAnd ( expression , filter = None , default = None , ** extra ) ¶ すべての非 null 入力値のビットごとの AND を返し、すべての値が null の場合は default を返します。 バー ... ... e ( html_content , "text/html" ) msg . send () Configuring email ¶ New Django projects are not configured to send email by default. Instead, email is printed to the console as a development aid (for projects created with startproject ) or results in a M ... g to tell Django how to send email. For example, to send through an SMTP server running on the local machine: MAILERS = { "default" : { "BACKEND" : "django.core.mail.backends.smtp.EmailBackend" , "OPTIONS" : { "host" : "localhost" , }, }, } Django abstr ... ve been sent. 開発用にメールを設定する discusses some other approaches. Changed in Django 6.1: In earlier releases, Django defaulted to sending email through an SMTP server running on localhost, using the now-deprecated EMAIL_BACKEND and related setting ... ... e ( html_content , "text/html" ) msg . send () Configuring email ¶ New Django projects are not configured to send email by default. Instead, email is printed to the console as a development aid (for projects created with startproject ) or results in a M ... g to tell Django how to send email. For example, to send through an SMTP server running on the local machine: MAILERS = { "default" : { "BACKEND" : "django.core.mail.backends.smtp.EmailBackend" , "OPTIONS" : { "host" : "localhost" , }, }, } Django abstr ... ve been sent. 開発用にメールを設定する discusses some other approaches. Changed in Django 6.1: In earlier releases, Django defaulted to sending email through an SMTP server running on localhost, using the now-deprecated EMAIL_BACKEND and related setting ... ... atic AppConfig discovery ¶ Most pluggable applications define an AppConfig subclass in an apps.py submodule. Many define a default_app_config variable pointing to this class in their __init__.py . When the apps.py submodule exists and defines a single A ... ppConfig subclass, Django now uses that configuration automatically, so you can remove default_app_config . default_app_config made it possible to declare only the application's path in INSTALLED_APPS (e.g. 'django.co ... , with the intent to switch the ecosystem to the latter, but the switch didn't happen. With automatic AppConfig discovery, default_app_config is no longer needed. As a consequence, it's deprecated. See アプリケーションを設定する for full details. Custom ... ... atic AppConfig discovery ¶ Most pluggable applications define an AppConfig subclass in an apps.py submodule. Many define a default_app_config variable pointing to this class in their __init__.py . When the apps.py submodule exists and defines a single A ... ppConfig subclass, Django now uses that configuration automatically, so you can remove default_app_config . default_app_config made it possible to declare only the application's path in INSTALLED_APPS (e.g. 'django.co ... , with the intent to switch the ecosystem to the latter, but the switch didn't happen. With automatic AppConfig discovery, default_app_config is no longer needed. As a consequence, it's deprecated. See アプリケーションを設定する for full details. Custom ... ... needed to migrate to mailers is updating email-related settings. In your project's settings, define a MAILERS dict with a "default" entry matching the earlier EMAIL_* settings: MAILERS = { "default" : { "BACKEND" : ... , # value of EMAIL_BACKEND setting ... IL_USE_TLS = True EMAIL_PORT = 587 EMAIL_HOST_USER = "user@example.net" EMAIL_HOST_PASSWORD = "password" use: MAILERS = { "default" : { "BACKEND" : "django.core.mail.backends.smtp.EmailBackend" , "OPTIONS" : { "host" : "mail.example.net" , "use_tls" : T ... rue , # port is not needed: it defaults to 587 with use_tls True. "username" : "user@example.net" , "password" : "password" , }, }, } The complete list of deprec ... ... needed to migrate to mailers is updating email-related settings. In your project's settings, define a MAILERS dict with a "default" entry matching the earlier EMAIL_* settings: MAILERS = { "default" : { "BACKEND" : ... , # value of EMAIL_BACKEND setting ... IL_USE_TLS = True EMAIL_PORT = 587 EMAIL_HOST_USER = "user@example.net" EMAIL_HOST_PASSWORD = "password" use: MAILERS = { "default" : { "BACKEND" : "django.core.mail.backends.smtp.EmailBackend" , "OPTIONS" : { "host" : "mail.example.net" , "use_tls" : T ... rue , # port is not needed: it defaults to 587 with use_tls True. "username" : "user@example.net" , "password" : "password" , }, }, } The complete list of deprec ... ... nd support Django-provided constants for clarity and safety. For example: from django.utils.csp import CSP SECURE_CSP = { "default-src" : [ CSP . SELF ], "script-src" : [ CSP . SELF , CSP . NONCE ], "img-src" : [ CSP . SELF , "https:" ], } The resulting ... Content-Security-Policy header would be set to: default-src 'self'; script-src 'self' 'nonce-SECRET'; img-src 'self' https: To get started, follow the CSP how-to guide . For in-d ... y, both levels shared the same appearance as messages.SUCCESS . Given that ModelAdmin.message_user() uses messages.INFO by default, set the level to messages.SUCCESS to keep the previous icon and styling. django.contrib.auth ¶ The default iteration coun ... ... nd support Django-provided constants for clarity and safety. For example: from django.utils.csp import CSP SECURE_CSP = { "default-src" : [ CSP . SELF ], "script-src" : [ CSP . SELF , CSP . NONCE ], "img-src" : [ CSP . SELF , "https:" ], } The resulting ... Content-Security-Policy header would be set to: default-src 'self'; script-src 'self' 'nonce-SECRET'; img-src 'self' https: To get started, follow the CSP how-to guide . For in-d ... y, both levels shared the same appearance as messages.SUCCESS . Given that ModelAdmin.message_user() uses messages.INFO by default, set the level to messages.SUCCESS to keep the previous icon and styling. django.contrib.auth ¶ The default iteration coun ... 2026年10月08日