[Django]Your First App

CodingEntrepreneurs Django 강의 정리

APP 생성>

python manage.py startapp appname

 

settings>

# Application definition

INSTALLED_APPS = [  # components
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
]

INSTALLED_APPS += [
    "blog",
]

app을 생성하고 settings - INSTALLED_APPS에 추가 해준다.

명시적으로 하기 위하여 위와 같이 사용하는 것을 추천한다.

 

makemigrations>

python manage.py makemigrations appname

1. 모델을 변경시킨 사실과 변경사항을 migration으로 저장

 

migrate>

python manage.py migrate appname

1. 데이터베이스 상태를 현재 모델 및 마이그레이션 집합과 동기화한다.

 

주의사항>

1. app을 추가하면 반드시 settings에 추가한다.

2. app에 models를 수정 하면 makemigrations + migrat 를 진행한다.

 

settings>

"""
Django settings for try_django project.

Generated by 'django-admin startproject' using Django 3.0.7.

For more information on this file, see
https://docs.djangoproject.com/en/3.0/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/3.0/ref/settings/
"""

import os

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.0/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = "b#eg47l(0%=d!3uao3xgs68q)_zz+65d4okbfnxsdk-ig$4n9&"

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = []


# Application definition

INSTALLED_APPS = [  # components
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
]

INSTALLED_APPS += [
    "blog",
]

MIDDLEWARE = [
    "django.middleware.security.SecurityMiddleware",
    "django.contrib.sessions.middleware.SessionMiddleware",
    "django.middleware.common.CommonMiddleware",
    "django.middleware.csrf.CsrfViewMiddleware",
    "django.contrib.auth.middleware.AuthenticationMiddleware",
    "django.contrib.messages.middleware.MessageMiddleware",
    "django.middleware.clickjacking.XFrameOptionsMiddleware",
]

ROOT_URLCONF = "try_django.urls"

TEMPLATES = [
    {
        "BACKEND": "django.template.backends.django.DjangoTemplates",
        "DIRS": [
            os.path.join(BASE_DIR, "templates")
        ],  # 'D:\Code\Study\Try_DJANGO_TUTORIAL_Ver2.2\templates'
        "APP_DIRS": True,
        "OPTIONS": {
            "context_processors": [
                "django.template.context_processors.debug",
                "django.template.context_processors.request",
                "django.contrib.auth.context_processors.auth",
                "django.contrib.messages.context_processors.messages",
            ],
        },
    },
]

WSGI_APPLICATION = "try_django.wsgi.application"


# Database
# https://docs.djangoproject.com/en/3.0/ref/settings/#databases

DATABASES = {
    "default": {
        "ENGINE": "django.db.backends.sqlite3",
        "NAME": os.path.join(BASE_DIR, "db.sqlite3"),
    }
}


# Password validation
# https://docs.djangoproject.com/en/3.0/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
    },
    {"NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",},
    {"NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",},
    {"NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",},
]


# Internationalization
# https://docs.djangoproject.com/en/3.0/topics/i18n/

LANGUAGE_CODE = "en-us"

TIME_ZONE = "UTC"

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.0/howto/static-files/

STATIC_URL = "/static/"

 

models>

from django.db import models

# Create your models here.
class BlogPost(models.Model):
    title = models.TextField()
    content = models.TextField(null=True, blank=True)