Django Model/ DB

터미널(로컬)환경.

 

- 모든 Model 객체는 blog/models.py 파일에 선언하여 모델을 생성한다. 

blog/models.py

models :  Post가 데이터베이스에 저장됨을 장고가 인지할 수 있다. 

 

models.ForeignKey : 다른 모델에 대한 링크 의미

models.charField : 글자 수가 제한된 텍스트

models.TextField : 글자 수에 제한이 없는 긴 텍스트

models.DateTimeField : 날짜와 시간

 

def publish(self): publish 메서드로

 

(base) dojiyeong@dojiyeong-ui-MacBookPro ~ % cd /Users/dojiyeong/venv/myvenv/source/firstsite
(base) dojiyeong@dojiyeong-ui-MacBookPro firstsite % source /Users/dojiyeong/venv/myvenv/bin/activate 

(myvenv) (base) dojiyeong@dojiyeong-ui-MacBookPro firstsite % cd firstsite
(myvenv) (base) dojiyeong@dojiyeong-ui-MacBookPro firstsite % cd

(myvenv) (base) dojiyeong@dojiyeong-ui-MacBookPro ~ % cd /Users/dojiyeong/venv/myvenv/source/firstsite

 

 

#(데이터베이스에 새로 만든 모델 Post 모델 추가/ 알려주기)
myvenv) (base) dojiyeong@dojiyeong-ui-MacBookPro firstsite % python ./manage.py makemigrations blog
Migrations for 'blog':
  blog/migrations/0001_initial.py
    - Create model Post

(myvenv) (base) dojiyeong@dojiyeong-ui-MacBookPro firstsite % python ./manage.py migrate blog
Operations to perform:
  Apply all migrations: blog
Running migrations:
  Applying blog.0001_initial... OK

# 슈퍼 유저(나) 만들기
(myvenv) (base) dojiyeong@dojiyeong-ui-MacBookPro firstsite % python ./manage.py createsuperuser
Username (leave blank to use 'dojiyeong'): ㅁㅁㅁㅁㅁㅁ
Email address: ㅁㅁㅁㅁㅁㅁ
Password: 
Password (again): 
Superuser created successfully.
(myvenv) (base) dojiyeong@dojiyeong-ui-MacBookPro firstsite % python manage.py runserver       
Performing system checks...

#장고 인터랙티브 콘솔
(myvenv) (base) dojiyeong@dojiyeong-ui-MacBookPro firstsite % python ./manage.py shell
Python 3.9.2 (v3.9.2:1a79785e3e, Feb 19 2021, 09:06:10) 
[Clang 6.0 (clang-600.0.57)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
(InteractiveConsole)

>>> from blog.models import Post
>>> Post.objects.all()
<QuerySet []>

>>> from django.contrib.auth.models import User
>>> User.objects.all()
<QuerySet [<User: ehwl0129>]>
>>> me = User.objects.get(username='ehwl0129')
>>> Post.objects.create(author=me, title='터미널에서 입력',text='테스트입니다.')
<Post: 터미널에서 입력>
>>> Post.objects.all()
<QuerySet [<Post: 체리>, <Post: 터미널에서 입력>]>

>>> Post.objects.create(author=me, title='test',text='테스트입니다.')
<Post: test>
>>> Post.objects.all()
<QuerySet [<Post: 체리>, <Post: 터미널에서 입력>, <Post: test>]>

 

위와 같은 과정을 똑같이 

Pythonanywhere 콘솔에서 진행하면 (git pull 진행!)

Pyhonanywhrere/admin 에서도 같은 방식으로 동작한다.