TIL&TEL 21.09.13~21.09.19

TIL( Today I Learned)

• 21-09-13 월

  • Modeling 정리한 내용 문서화 하기

  • Prj 정리내용 문서화

    • framework : Django
    • ORM: Django
    • Serialier : DRF-Serializer

    • View : class View(APIView)

      • Permission 에 따라 접근 제한 처리
    • Req Valid : Input Serializer
    • Resp Form : Output Serializer
    • Path Param Valid: Path Param 자체 형식
    • Query Param Valid : django-filter

    • Documentation : drf-yasg

      • require, Response(serializer.data)
    • Header Valid : middleware CG, SG 분기

    • Coding Style 틀 잡고 이슈내용 생길 때 마다 추가해나가기

      • Naming Rule
      • Do
      • Dont

    • Authorization : drf-oauth-toolkit

      • 1차 auth, service api/ 단일 App 처리

        • F: app-domain/api/auth 요청
        • B: Token발급
        • F: Request app-domain/service with Token
        • B: Auth Pass, process API

      • 2차 auth, service api/ 분리 독립 App 처리

        • Frond: app-domain/api/auth 요청
        • Back: request to auth-domian/api/auth
        • AuthBack : Issue Token
        • B: Deliver Issued Token
        • F: Request app-domain/service with Token
        • B: request to auth-domian/api/auth
        • AB : Check authorization
        • B : Process API
    • test framework : pytest

    • CI Process 추가 :

      • pre-commit hook

        • black
        • isort
        • commitizen
    • Dependency Management : poetry

21-09-14 화

• 로직 구조 점검하기
• settings.py

• db managing

  • 방법

    • DB 별로 app 분리
    • python manage.py —app sellergate —database sellergate

  • create

    • local

      • => migrate
      • ./manage.py makemigrations gate —settings=tac.settings.local

    • dev

      • => migrate

    • prod

      • Dont do anything

  • update

    • local

      • => migrate

    • dev

      • => migrate

    • prod

      • not at all

• db settings

  • local SQL dumps
  • Develop clone

21-09-15 수

• Django multiDB test setting

21-09-16 목

• pytest 빨리 하기

• Pytest 왜 쓰레드, 프로세스 안됨?

  • but make sure that your code does not rely on anything bound to threads (like database connections) when you do.

• django

  • db routing 생각해보기

21-09-17 금

• readme 작성

• viewset 추가하기

  • GenericViewset
  • Modelviewset? => 제외, default query set 지정되어 있음.?
  • ViewSet?

TEL (Trial and Error Log)

21-09-14

• ERROR: models.E028

  • SITUATION: Django throws error when different apps with different models have the same name table name.
  • REASON: multi name on db
  • SOLUTION: add DATABASE_ROUTER

21-09-16

• ERROR: all, any 구분

  • SITUATION: conditional situation

  • REASON:

    • all (all True)의 반대는 all False 가 아님
    • any(any True) 의 반대는 any False가 아님

  • SOLUTION:

    • all = 모든 값이 True
    • any = 하나라도 True
    • not all = 모든 값이 False
    • not any = 하나라도 False

21-09-17

• ERROR: settings.DATABASES is improperly configured. Please supply the ENGINE value

  • SITUATION: django requeste
  • REASON: django using을 생략

  • SOLUTION:

    • using(“db”) 명시