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wanted-crawler.py
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wanted-crawler.py
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import requests
from bs4 import BeautifulSoup
from webConnection import connectWebDriver, scrollPage
from contextlib import closing
from multiprocessing import Pool, Manager
from itertools import repeat
import re
from fileIO import openJsonFile, closeJsonFile, saveError
from dbIO import readDB, insertDB
import nltk
from nltk.corpus import stopwords
from konlpy.tag import Okt
from ckonlpy.tag import Twitter, Postprocessor
from ckonlpy.utils import load_wordset, load_ngram
# nltk.download('punkt')
# nltk.download('stopwords')
okt = Okt()
twitter = Twitter()
stopwordsKR = load_wordset('cleansing_data/korean_stopwords.txt', encoding='ANSI')
customStopwordsEN = load_wordset('cleansing_data/english_stopwords.txt', encoding='ANSI')
stopwordsEN = customStopwordsEN.union(set(stopwords.words('english')))
ngrams = load_ngram('cleansing_data/korean_ngram.txt')
userdicts = load_wordset('cleansing_data/korean_user_dict.txt')
twitter.add_dictionary(list(userdicts), 'Noun', force=True)
def getJobGroups():
res = requests.get(
'https://www.wanted.co.kr/wdlist/518?country=kr&job_sort=job.latest_order&years=-1&locations=all')
html = res.text
soup = BeautifulSoup(html, "html.parser")
jobGroups = []
for elements in soup.find("div", class_="_2h5Qtv_8mK2LOH-yR3FTRs").find_all("li"):
href = elements.find("a")["href"]
span = elements.find("span")
jobGroup = {'jobGroup': span.get_text(), 'url': "https://www.wanted.co.kr" + href}
jobGroups.append(jobGroup)
print(jobGroup)
insertDB("jobGroup", jobGroups)
return jobGroups
def getRecruitInfoList(urlDict, recruitInfos):
print(urlDict['jobGroup'])
driver = connectWebDriver(urlDict['url'])
scrollPage(driver)
allRecruitInfo = driver.find_elements_by_xpath('//div[@class="_3D4OeuZHyGXN7wwibRM5BJ"]/a')
if allRecruitInfo:
for recruitInfo in allRecruitInfo:
jobGroup = urlDict['jobGroup']
recruitInfoUrl = recruitInfo.get_attribute('href')
recruitInfo = {'jobGroup': jobGroup, 'url': recruitInfoUrl}
recruitInfos.append(recruitInfo)
# with open('data/recruitInfoList.csv', 'a', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow([jobGroup, recruitInfoUrl])
driver.quit()
def scrapRecruitList(groups):
# origin_headers = ['μ§κ΅°', 'url']
# with open('data/recruitInfoList.csv', 'w', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow(origin_headers)
recruitInfosByGroup = manager.list()
with closing(Pool(processes=5)) as pool:
pool.starmap(getRecruitInfoList, zip(groups, repeat(recruitInfosByGroup)))
insertDB("recruitInfos", recruitInfosByGroup)
print('μ§κ΅°λ³ μ±μ©κ³΅κ³ 리μ€νΈ url μ μ₯ μλ£!')
return recruitInfosByGroup
def getAllElement(driver, recruitInfoUrl):
whereElement, tagElements, companyElement, detailElements, whereElement, deadlineElement, workAreaElement \
= '', '', '', '', '', '', ''
try:
companyElement = driver.find_element_by_xpath('//section[@class="Bfoa2bzuGpxK9ieE1GxhW"]/div/h6/a')
except Exception:
saveError("elementError", recruitInfoUrl, 'warning: companyElement is null')
try:
detailElements = driver.find_elements_by_xpath('//section[@class="_1LnfhLPc7hiSZaaXxRv11H"]/p')
except Exception:
saveError("elementError", recruitInfoUrl, 'warning: detailElements is null')
try:
tagElements = driver.find_elements_by_xpath('//div[@class="ObubI7m2AFE5fxlR8Va9t"]/ul/li/a')
except Exception:
saveError("elementError", recruitInfoUrl, 'warning: tagElements is null')
try:
whereElement = driver.find_element_by_xpath(
'/html/body/div[1]/div/div[3]/div[1]/div[1]/div/section[2]/div[1]/span')
except Exception:
saveError("elementError", recruitInfoUrl, 'warning: whereElement is null')
try:
workAreaElement = driver.find_element_by_xpath(
'/html/body/div[1]/div/div[3]/div[1]/div[1]/div/div[2]/section[2]/div[2]/span[2]')
except Exception:
saveError("elementError", recruitInfoUrl, 'warning: workAreaElement is null')
try:
deadlineElement = driver.find_element_by_xpath(
'/html/body/div[1]/div/div[3]/div[1]/div[1]/div[1]/div[2]/section[2]/div[1]/span[2]')
except Exception:
saveError("elementError", recruitInfoUrl, 'warning: deadlineElement is null')
return [whereElement, tagElements, companyElement, detailElements, workAreaElement, deadlineElement]
def getInfosByElements(elements):
tagPattern = '[^0-9a-zA-Zγ±-ν%:.~\n]'
detailPattern = '[^0-9a-zA-Zγ±-ν%:.~ #+\n]'
region, _ = elements[0].text.split('\n.\n') if elements[0] else [None, None]
tags = [re.sub(pattern=tagPattern, repl='', string=tagElement.text) for tagElement in elements[1]] if elements[
1] else []
company = elements[2].text if elements[2] else None
workArea = elements[4].text if elements[4] else None
deadline = elements[5].text if elements[5] else None
details, detailsNouns = [], []
if not elements[3]: details = []
for detailElement in elements[3]:
detail = re.sub(pattern=detailPattern, repl='', string=detailElement.text).strip()
details.append(detail)
englishTokens = nltk.word_tokenize(re.sub(f'[^a-zA-Z]', ' ', detailElement.text).strip())
english = [token.lower() for token in englishTokens if token not in stopwordsEN]
postprocessor = Postprocessor(twitter, passtags='Noun', ngrams=ngrams, stopwords=stopwordsKR)
koreanWords = postprocessor.pos(detail)
# koreanWords = okt.nouns(detail)
print(koreanWords)
korean = [word for word, _ in koreanWords if len(word) > 1 and word != 'μ±']
others = re.findall('[\d{2}]λ
]', detailElement.text)
temp = []
temp.extend(korean)
temp.extend(english)
temp.extend(others)
detailsNouns.append(temp)
print(detailsNouns)
return region, tags, company, details, deadline, workArea, detailsNouns
def createrecruitInfo(contents):
# headers = ['id', 'μ§κ΅°', 'μ§μ', 'κ΅κ°', 'νκ·Έ', 'νμ¬λͺ
', 'νμ¬μκ°', 'μ£Όμμ
무', 'μ격μ건', 'μ°λμ¬ν', 'νν λ° λ³΅μ§', 'λ§κ°μΌ', '근무μ§']
headers = ['μ§κ΅°', 'μ§μ', 'νκ·Έ', 'νμ¬λͺ
', 'νμ¬μκ°', 'μ£Όμμ
무', 'μ격μ건', 'μ°λμ¬ν', 'νν λ° λ³΅μ§', 'λ§κ°μΌ', '근무μ§', 'νμ¬μκ°_λͺ
μ¬', 'μ£Όμμ
무_λͺ
μ¬', 'μ격μ건_λͺ
μ¬', 'μ°λμ¬ν_λͺ
μ¬', 'νν λ° λ³΅μ§_λͺ
μ¬']
recruitInfo = {header: value for header, value in zip(headers, contents)}
# with open('data/RecruitInfoLog.json', 'a', encoding='UTF-8') as file:
# json.dump(recruitInfo, file, indent=4, ensure_ascii=False)
# file.write('\n,')
return recruitInfo
def getRecruitInfo(recruitInfoUrl, allRecruitInfo):
print(recruitInfoUrl)
pattern = '[^0-9]'
group = recruitInfoUrl['jobGroup']
url = recruitInfoUrl['url']
# group = recruitInfoUrl[0]
# url = recruitInfoUrl[1].strip()
recruitInfoId = re.sub(pattern=pattern, repl='', string=url)
try:
driver = connectWebDriver(url)
except Exception as error:
saveError("connectionError", recruitInfoUrl, error.args)
return
recruitInfoElements = getAllElement(driver, recruitInfoUrl)
region, tags, company, details, deadline, workArea, detailsNouns = getInfosByElements(recruitInfoElements)
contents = []
contents.append(recruitInfoId)
contents.append(group)
contents.append(region)
contents.append(company)
contents.extend(details)
contents.append(deadline)
contents.append(workArea)
contents.extend(detailsNouns)
recruitInfo = createrecruitInfo(contents)
allRecruitInfo.append(recruitInfo)
insertDB("recruitInfo", recruitInfo)
# REQUIRED = [recruitInfoId, region, company, workArea]
# with open('data/recruitInfo/origin.csv', 'a', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow(contents)
# with open('data/recruitInfo/tag.csv', 'a', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow(REQUIRED+tags)
# # νμ¬μκ°
# with open('data/recruitInfo/introduction.csv', 'a', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow(REQUIRED+detailsNouns[0])
# # μ£Όμμ
무
# with open('data/recruitInfo/main_task.csv', 'a', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow(REQUIRED+detailsNouns[1])
# # μ격μ건
# with open('data/recruitInfo/requirement.csv', 'a', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow([recruitInfoId]+detailsNouns[2])
# # μ°λμ¬ν
# with open('data/recruitInfo/preference.csv', 'a', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow(REQUIRED+detailsNouns[3])
# # λ³΅μ§ λ° νν
# with open('data/recruitInfo/benefit.csv', 'a', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow(REQUIRED+detailsNouns[4])
print('μλ£!')
driver.quit()
def scrapRecruitInfo(recruitInfoURLs):
# origin_headers = ['id', 'μ§κ΅°', 'μ§μ', 'νμ¬λͺ
', 'νμ¬μκ°', 'μ£Όμμ
무', 'μ격μ건', 'μ°λμ¬ν', 'νν λ° λ³΅μ§', 'λ§κ°μΌ', '근무μ§']
# with open('data/recruitInfo/origin.csv', 'w', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow(origin_headers)
# with open('data/recruitInfo/tag.csv', 'w', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow(['id','νκ·Έ'])
# with open('data/recruitInfo/introduction.csv', 'w', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow(['id','νμ¬μκ°'])
# with open('data/recruitInfo/main_task.csv', 'w', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow(['id','μ£Όμμ
무'])
# with open('data/recruitInfo/requirement.csv', 'w', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow(['id','μ격μ건'])
# with open('data/recruitInfo/preference.csv', 'w', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow(['id','μ°λμ¬ν'])
# with open('data/recruitInfo/benefit.csv', 'w', encoding='utf-8-sig', newline='') as file:
# writer = csv.writer(file)
# writer.writerow(['id','νν λ° λ³΅μ§'])
allRecruitInfo = manager.list()
openJsonFile('data/logs/RecruitInfoError.json')
with closing(Pool(processes=5)) as pool:
pool.starmap(getRecruitInfo, zip(recruitInfoURLs, repeat(allRecruitInfo)))
print('μ±μ©μμΈμ 보 μμ§ λͺ¨λ μλ£!')
closeJsonFile('data/logs/RecruitInfoError.json')
if __name__ == '__main__':
manager = Manager()
# print('---------μ±μ©μ§κ΅°---------------------------')
# jobGroups = getJobGroups()
#
# print('---------μ±μ©κ³΅κ³ 리μ€νΈ----------------------')
# recruitInfosByGroup = scrapRecruitList(jobGroups)
#
# print('---------μ±μ©κ³΅κ³ ---------------------------')
# scrapRecruitInfo()
recruitInfosByGroup = readDB('recruitInfos')
# with open('data/recruitInfoList.csv', 'r', encoding='utf-8-sig', newline='') as file:
# recruitInfosByGroup = [line.split(',') for line in file]
# print(recruitInfosByGroup)
# recruitInfosByGroup = [['νλ‘ νΈμλ κ°λ°μ','https://www.wanted.co.kr/wd/42882']]
# recruitInfosByGroup =[{'jobGroup': 'νλ‘ νΈμλ κ°λ°μ', 'url': 'https://www.wanted.co.kr/wd/43046'}]
scrapRecruitInfo(recruitInfosByGroup)