Web-Scrapper using Python and Flask

Overview

Web-Scrapper

"[초급]Python으로 웹 스크래퍼 만들기" 코스
-NomadCoders

기초적인 Python 문법강의부터 시작하여 웹사이트의 html파일에서 원하는 내용을 Scrapping해서 출력, csv 파일로 저장, flask를 이용한 간단한 웹페이지 및 fakedb를 구축하는 방법을 배우는 코스입니다. django를 시작하기 전 간단히 설명해주는 강의가 포함되어 있습니다.

사용 기술

  • Python
  • html

진도

  • 파이썬 기초 강의
  • Indeed에서 구직정보 추출하기
  • StackOverflow에서 구직정보 추출하기
  • CSV파일로 저장하기
  • Flask를 이용하여 웹사이트에서 정보 주고 받기
  • 추출한 구직정보를 웹사이트에 출력하기
  • Fake DB 만들기
  • CSV파일로 저장하기 기능 구현
  • 최종 결과물 업데이트

결과물

  • 추가 예정...

강의에서 배운 Tips

  • urllib3보다 requests가 더 사용하기 편하다.
  • BeautifulSoup를 이용하여 HTML문서에서 원하는 데이터에 간편하게 접근할 수 있다.
  • list[-1]은 list의 마지막 요소를 가리킨다. list[0:-1] 또는 list[:-1]은 list의 첫번째부터 마지막 전까지를 나타낸다.(마지막 요소를 제외한 모든 요소)
    []안의 -1은 'len(list)-1'로 추정된다.(개인적인 생각)

기타

  • package 확인하기
$ pip show 'package-name'
  • package 설치하기
$ pip install 'package-name'
  • 다른 환경에서 작업할 일이 많을 경우 requirements.txt로 패키지를 관리하면 편리하다.
    (이름을 꼭 저걸로 할 필요는 없으나 대부분 저 이름으로 관리)
#파일 생성
$ pip freeze > requirements.txt

#패키지 설치
$ pip install -r requirements.txt
Owner
윤성도
윤성도
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