python manage.py makemigrations 앱이름

python manage.py startapp 앱이름 python manage.py startapp poll [setting.py] INSTALLED_APPS = [ 'polls.apps.PollsConfig', 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', ] https://docs.djangoproject.com/ko/3.1/intro/ 시작하기 | Django 문서 | Django Django The web framework for perfectionists ..

DB 또는 파일에 정보를 넣어서 관리하고, 정보만 바꾸면 적용되도록 처리 def get_list_display(self, request) : def get_list_filter(self, request) : def get_search_fields(self, request) : list_editable은 안됨 get_list_display에 넣어 처리하면 됨

project 레벨에서는 템플릿 파일을 오버라이딩하여 사용할 수 있음 app 레벨에서는 템플릿 파일 url을 변경하여 사용할 수 있음 [admin.py] from django.urls import path .. change_list_template = 'app이름/모델명_change_list.html' def get_urls(self) : urls= super().get_urls() my_urls = [ path('sync/', self.sync), ] return my_urls + urls def sync(self,request) : with connections['local'].cursor() as cursor : cursor.execute(updae_or_insert_delete_sql) curso..

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https://code.djangoproject.com/ticket/20337 #20337 (ValueError when database router prevents relation is unclear) – Django I'm using a custom database router to manage queries between two databases. In my router, the allow_relation method was set incorrectly, and as a result, two models from separate apps weren't allowed to reference each other. The ValueError I received looke code.djangoproject..