2024년 3월 28일 목요일

파이썬에서 BeautifulSoup을 사용한 네이버 블로그 크롤링 코드입니다.

 자주 수정이 됩니다. ㅎㅎ 3월초에 수정을 했었는데 다시 수정을 했습니다. 


import requests
from bs4 import BeautifulSoup
from openpyxl import Workbook

search_keyword='맥북에어'

url = f'https://search.naver.com/search.naver?where=view&sm=tab_jum&query={search_keyword}'

response = requests.get(url)

#<a href="https://blog.naver.com/pareko" class="sub_txt sub_name" target="_blank" onclick="return goOtherCR(this, 'a=rvw*b.writer&amp;r=2&amp;i=90000003_0000000000000033ECA5C9EE&amp;u='+urlencode(this.href))">순돌아범</a>

soup = BeautifulSoup(response.text, 'html.parser')

# create a new Excel workbook and select the active sheet\
wb = Workbook()
ws = wb.active

# write the column names to the first row of the sheet
ws.append(["블로그명", "블로그주소", "글 제목", "포스팅 날짜"])

for page in range(1, 301):
url = f'https://search.naver.com/search.naver?where=view&sm=tab_jum&query={search_keyword}&start={page * 10 - 9}'

#제목
# <a nocr="1" href="https://blog.naver.com/meen703/223388020128" class="QS0gep6K3wmBGxMdfuA3 fds-comps-right-image-text-title" target="_blank" data-cb-target="'SYS-0000000035525141.90000003_000000000000003402F6ADA0'" data-cb-trigger="true"><span class="WNE6DfqawXbjKLCLcd4a"><mark>맥북 에어</mark> M2 13인치 지금 사도 괜찮을까</span></a>
#<span class="WNE6DfqawXbjKLCLcd4a">내돈내산 애플 <mark>맥북에어</mark> M2 [교육할인] 3</span>
#블로그주소
#<a nocr="1" href="https://blog.naver.com/meen703" class="QS0gep6K3wmBGxMdfuA3 fds-info-inner-text" target="_blank"><span class="WNE6DfqawXbjKLCLcd4a">최동구의 알고 싶은 IT 정보</span></a>
#날짜
#<span class="fds-info-sub-inner-text WNE6DfqawXbjKLCLcd4a">4일 전</span>
posts = soup.find_all('div', {'class':'fds-ugc-block-mod-list grY7ARzqEvD6JYNGqTAD'})
for post in posts:
try:
blog_address_elem = post.find("a",
attrs={"class":"QS0gep6K3wmBGxMdfuA3 fds-info-inner-text"})
blog_address = blog_address_elem["href"]
blog_address_title_elem = post.find("a",
attrs={"class":"QS0gep6K3wmBGxMdfuA3 fds-info-inner-text"})
blog_address_title = blog_address_title_elem.text
except TypeError:
blog_address = ""
blog_address_title = ""

post_date_elem = post.find('span', {'class':'fds-info-sub-inner-text WNE6DfqawXbjKLCLcd4a'})
post_date = post_date_elem.text if post_date_elem else ""
post_title_elem = post.find('a',
{'class':'QS0gep6K3wmBGxMdfuA3 fds-comps-right-image-text-title'})
post_title = post_title_elem.text if post_title_elem else ""

print(blog_address)
print(blog_address_title)
print(post_title)
print(post_date)

ws.append([blog_address, blog_address_title, post_title, post_date])

#path = 'c:\\work\\'
#file_path = f'{path}{search_keyword}_blog_data.xlsx'
file_path = f'{search_keyword}_blog_data.xlsx'
wb.save(file_path)

요즘 많이 들리는 RAG에 대한 멋진 정리가 있어서 공유합니다. ㅎㅎ

 작년에는 ChatGPT가 크게 유행을 했는데 올해는 Gen AI, LLM, 랭체인등이 유행하고 있습니다. ㅎㅎ  RAG라는 단어도 상당히 많이 들리고 있습니다. 멋진 정리의 링크입니다.  https://brunch.co.kr/@ywkim36/146?...