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crawler.py
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crawler.py
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#################
###ZouJiu-202306
#################
from selenium import webdriver
from selenium.webdriver.edge.service import Service
from selenium.webdriver import EdgeOptions
import os
from selenium.webdriver.common.by import By
import time
import pickle
import json
from selenium.webdriver.support.wait import WebDriverWait
import requests
from copy import deepcopy
import argparse
from datetime import datetime
# from selenium.webdriver.common import keys
from selenium.webdriver import ActionChains
from selenium.webdriver.common.by import By
from selenium.webdriver.common.actions.wheel_input import ScrollOrigin
# import numpy as np
import shutil
# from selenium.webdriver.chrome.options import Options
from selenium.webdriver.common.print_page_options import PrintOptions
# from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
from selenium.webdriver.support import expected_conditions as EC
import base64
from zipfile import ZipFile
from bs4 import BeautifulSoup
import re
abspath = os.path.abspath(__file__)
filename = abspath.split(os.sep)[-1]
abspath = abspath.replace(filename, "")
import sys
sys.path.append(abspath)
# wkhtmltopdf_path = os.path.join(abspath, r'wkhtmltopdf\bin\wkhtmltopdf.exe')
# sys.path.append(wkhtmltopdf_path)
from thinkdeal import *
def save_cookie(driverkkk, path):
#https://stackoverflow.com/questions/45417335/python-use-cookie-to-login-with-selenium
with open(path, 'wb') as filehandler:
pickle.dump(driverkkk.get_cookies(), filehandler)
def load_cookie(driverkkk, path):
#https://stackoverflow.com/questions/45417335/python-use-cookie-to-login-with-selenium
with open(path, 'rb') as cookiesfile:
cookies = pickle.load(cookiesfile)
for cookie in cookies:
driverkkk.add_cookie(cookie)
def crawlsleep(times):
time.sleep(times)
def now():
return time.time()
def nowtime():
nowtm = datetime.fromtimestamp(time.time()).isoformat().replace(":", "_")
return nowtm
def edgeopen(driverpath):
service=Service(executable_path=driverpath)
edge_options = EdgeOptions()
#https://stackoverflow.com/questions/53039551/selenium-webdriver-modifying-navigator-webdriver-flag-to-prevent-selenium-detec
edge_options.add_experimental_option('excludeSwitches', ['enable-automation'])
edge_options.add_experimental_option('useAutomationExtension', False)
edge_options.add_argument('lang=zh-CN,zh,zh-TW,en-US,en')
edge_options.add_argument("disable-blink-features=AutomationControlled")#就是这一行告诉chrome去掉了webdriver痕迹
# #https://stackoverflow.com/questions/56897041/how-to-save-opened-page-as-pdf-in-selenium-python
# settings = {
# "recentDestinations": [{
# "id": "Save as PDF",
# "origin": "local",
# "account": "",
# }],
# "selectedDestinationId": "Save as PDF",
# "version": 2
# }
# #https://www.apiref.com/java11-zh/java.desktop/javax/print/attribute/standard/MediaSize.ISO.html
# settings = {
# "recentDestinations": [{
# "id": "Save as PDF",
# "origin": "local",
# "account": ""
# }],
# "selectedDestinationId": "Save as PDF",
# "version": 2,
# "isHeaderFooterEnabled": False,
# "mediaSize": {
# "height_microns": 297000,
# "name": "ISO_A4",
# "width_microns": 210000,
# "custom_display_name": "A4"
# },
# "customMargins": {"margin": 0},
# "marginsType": 3,
# # "scaling": 130,
# # "scalingType": 3,
# # "scalingTypePdf": 3,
# "isCssBackgroundEnabled": True
# }
# prefs = {
# 'printing.print_preview_sticky_settings.appState': json.dumps(settings),
# 'savefile.default_directory': pdfpath,
# }
# edge_options.add_experimental_option('prefs', prefs)
# edge_options.add_argument('--kiosk-printing')
# https://www.selenium.dev/documentation/webdriver/drivers/options/#pageloadstrategy
# https://stackoverflow.com/questions/44503576/selenium-python-how-to-stop-page-loading-when-certain-element-gets-loaded
# edge_options.add_argument(page_load_strategy, 'normal')
# if strategy:
edge_options.page_load_strategy = 'normal'
# cap = DesiredCapabilities.EDGE
# cap['pageLoadStrategy'] = 'none'
driver = webdriver.Edge(options=edge_options, service = service)
driver.execute_script("Object.defineProperty(navigator, 'webdriver', {get: () => undefined})")
driver.execute_cdp_cmd('Network.setUserAgentOverride', {"userAgent": 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.53 Safari/537.36'})
driver.set_script_timeout(20)
return driver
def login(driver):
driver.get(r"https://www.zhihu.com/")
try:
driver.find_elements(By.CLASS_NAME, "SignFlow-tab")[1].click()
except:
pass
toggle = []
ti = 1
while toggle==[] and ti < 600:
toggle = driver.find_elements(By.ID, 'Popover15-toggle')
time.sleep(3)
if ti%10==0:
print("等待输入账号并点击登录，登录以后请不要执行任何操作，10分钟后自动退出.........")
ti += 3
toggle = driver.find_elements(By.ID, 'Popover15-toggle')
if toggle==[]:
print("还没有登陆的，还请登录保存cookie.......")
driver.quit()
exit(0)
# driver.find_elements(By.CLASS_NAME, "username-input")[0].send_keys("")
# driver.find_elements(By.CLASS_NAME, "username-input")[1].send_keys("")
# driver.find_element(By.CLASS_NAME, "SignFlow-submitButton").click()
# time.sleep(130)
# WebDriverWait(driver, timeout=60).until(lambda d:d.find_element(By.CLASS_NAME, "TopstoryTabs-link"))
return driver
def crawl_article_links(driver:webdriver, username:str):
#crawl articles links
articles = r'https://www.zhihu.com/people/zoujiu1/posts'
articles_one = r'https://www.zhihu.com/people/zoujiu1/posts?page='
article_detail = r'https://zhuanlan.zhihu.com/p/'
driver.get(articles.replace("zoujiu1", username))
try:
WebDriverWait(driver, timeout=10).until(lambda d: d.find_element(By.CLASS_NAME, "Pagination"))
pages = driver.find_elements(By.CLASS_NAME, 'PaginationButton')[-2]
assert isinstance(int(pages.text), int)
maxpages = int(pages.text)
except:
pages = driver.find_elements(By.CLASS_NAME, 'PaginationButton')
if len(pages)==0:
maxpages = 1
else:
pages = pages[-2]
assert isinstance(int(pages.text), int)
maxpages = int(pages.text)
all_article_detail = {}
#how many pages of articles
for p in range(1, maxpages + 1):
driver.get(articles_one + str(p))
WebDriverWait(driver, timeout=10).until(lambda d: d.find_element(By.CLASS_NAME, "ArticleItem"))
items = driver.find_elements(By.CLASS_NAME, "ArticleItem")
#crawl article one by one
for a in range(len(items)):
introduce = items[a].get_attribute("data-zop")
itemId = json.loads(introduce)
links = items[a].find_elements(By.TAG_NAME, 'a')[0].get_attribute('href')
# id = itemId['itemId']
title = str(itemId['title']).strip()
all_article_detail[str(title)] = links #article_detail + str(id)
crawlsleep(sleeptime)
with open(os.path.join(articledir, 'article.txt'), 'w', encoding='utf-%d'%(6+2)) as obj:
for key, val in all_article_detail.items():
obj.write(val + " " + key + '\n')
def crawl_answers_links(driver:webdriver, username:str):
#crawl answers links
answer = r'https://www.zhihu.com/people/zoujiu1/answers'
answer_one = r'https://www.zhihu.com/people/zoujiu1/answers?page='
driver.get(answer.replace("zoujiu1", username))
try:
WebDriverWait(driver, timeout=10).until(lambda d: d.find_element(By.CLASS_NAME, "Pagination"))
pages = driver.find_elements(By.CLASS_NAME, 'PaginationButton')[-2]
assert isinstance(int(pages.text), int)
maxpages = int(pages.text)
except:
pages = driver.find_elements(By.CLASS_NAME, 'PaginationButton')
if len(pages)==0:
maxpages = 1
else:
pages = pages[-2]
assert isinstance(int(pages.text), int)
maxpages = int(pages.text)
all_answer_detail = []
#how many pages of answers
for p in range(1, maxpages + 1):
driver.get(answer_one + str(p))
WebDriverWait(driver, timeout=10).until(lambda d: d.find_element(By.CLASS_NAME, "Pagination"))
items = driver.find_elements(By.CLASS_NAME, "AnswerItem")
#crawl answer one by one
for i in range(len(items)):
introduce = items[i].get_attribute("data-zop")
itemId = json.loads(introduce)
id = itemId['itemId']
title = str(itemId['title'])
links = items[i].find_elements(By.TAG_NAME, 'a')[0].get_attribute('href')
all_answer_detail.append([links, str(title)])
crawlsleep(sleeptime)
with open(os.path.join(answerdir, 'answers.txt'), 'w', encoding='utf-8') as obj:
for links, title in all_answer_detail:
obj.write(links + " " + title + '\n')
def crawl_think_links(driver:webdriver, username:str):
#crawl think links
think = r'https://www.zhihu.com/people/zoujiu1/pins'
think_one = r'https://www.zhihu.com/people/zoujiu1/pins?page='
driver.get(think.replace("zoujiu1", username))
try:
WebDriverWait(driver, timeout=10).until(lambda d: d.find_element(By.CLASS_NAME, "Pagination"))
pages = driver.find_elements(By.CLASS_NAME, 'PaginationButton')[-2]
assert isinstance(int(pages.text), int)
maxpages = int(pages.text)
except:
pages = driver.find_elements(By.CLASS_NAME, 'PaginationButton')
if len(pages)==0:
maxpages = 1
else:
pages = pages[-2]
assert isinstance(int(pages.text), int)
maxpages = int(pages.text)
# all_think_detail = []
#how many pages of think
allbegin = now()
numberpage = 1e-6
for p in range(1, maxpages + 1):
driver.get(think_one + str(p))
WebDriverWait(driver, timeout=10).until(lambda d: d.find_element(By.CLASS_NAME, "Pagination"))
items = driver.find_elements(By.CLASS_NAME, "PinItem")
#crawl answer one by one
for i in range(len(items)):
begin = now()
RichContent = items[i].find_element(By.CLASS_NAME, 'RichContent-inner')
clockitem = items[i].find_element(By.CLASS_NAME, 'ContentItem-time')
try:
WebDriverWait(items[i], timeout=10).until(lambda d: len(d.text) > 2)
except:
driver.get(think_one + str(p))
WebDriverWait(driver, timeout=10).until(lambda d: d.find_element(By.CLASS_NAME, "Pagination"))
items = driver.find_elements(By.CLASS_NAME, "PinItem")
RichContent = items[i].find_element(By.CLASS_NAME, 'RichContent-inner')
clockitem = items[i].find_element(By.CLASS_NAME, 'ContentItem-time')
WebDriverWait(items[i], timeout=10).until(lambda d: len(d.text) > 2)
# clockspan = clockitem.find_element(By.TAG_NAME, 'span')
clock = clockitem.text
clock = clock[3 + 1:].replace(":", "_")
dirthink = os.path.join(thinkdir, clock)
if os.path.exists(dirthink):
continue
os.makedirs(dirthink, exist_ok=True)
try:
RichContent.find_element(By.CLASS_NAME, 'Button').click()
WebDriverWait(items[i], timeout=10).until(lambda d: d.find_element(By.CLASS_NAME, "RichContent-inner"))
RichContent = items[i].find_element(By.CLASS_NAME, 'RichContent-inner')
except:
pass
content = RichContent.find_element(By.CLASS_NAME, 'RichText')
links_col = content.find_elements(By.TAG_NAME, 'a')
links = []
for itext in links_col:
try:
links.append(itext.get_attribute("href"))
except:
continue
text = content.text.strip()
if len(text)!=0:
with open(os.path.join(dirthink, clock+".txt"), 'w', encoding='utf-8') as obj:
obj.write(text.replace("<br>", '\n').replace("<br data-first-child=\"\">", '\n')+"\n")
for itext in links:
obj.write(itext + "\n")
# all_think_detail.append([text])
try:
items[i].find_elements(By.CLASS_NAME, 'Image-PreviewVague')[0].click()
except:
continue
cnt = 0
while True:
WebDriverWait(driver, timeout=10).until(lambda d: d.find_element(By.CLASS_NAME, "ImageGallery-Inner"))
img = driver.find_element(By.CLASS_NAME, 'ImageGallery-Inner').find_element(By.TAG_NAME, 'img')
imglink = img.get_attribute('data-original')
if imglink==None:
imglink = img.get_attribute("src")
try:
response = requests.get(imglink, timeout=30)
except:
try:
response = requests.get(imglink, timeout=30)
except:
continue
if response.status_code==200:
with open(os.path.join(dirthink, clock + "_" + str(cnt) + '.jpg'), 'wb') as obj:
obj.write(response.content)
cnt += 1
crawlsleep(sleeptime)
try:
disable = driver.find_element(By.CLASS_NAME, 'ImageGallery-arrow-right')
if 'disabled' in disable.get_attribute('class'):
driver.find_element(By.CLASS_NAME, 'ImageGallery-close').click()
break
else:
disable.click()
except:
break
crawlsleep(sleeptime)
end = now()
print("爬取一篇想法耗时：", clock, round(end - begin, 3))
logfp.write("爬取一篇想法耗时：" +clock + " "+ str(round(end - begin, 3)) + "\n")
numberpage += 1
# crawlsleep(600)
allend = now()
print("平均爬取一篇想法耗时：", round((allend - allbegin) / numberpage, 3))
logfp.write("平均爬取一篇想法耗时：" + str(round((allend - allbegin) / numberpage, 3)) + "\n")
dealthink(thinkdir)
def cleartxt(kkk):
while ' 'in kkk:
kkk = kkk.replace(" ", "")
while "\n" in kkk:
kkk = kkk.replace("\n", "")
return kkk
def parser_beautiful(innerHTML, article, number, dircrea, bk=False):
if not innerHTML:
return article, number
if bk:
article += "**"
if isinstance(innerHTML, str):
article += innerHTML.text
return article, number
inname = innerHTML.name
allchild = [i for i in innerHTML.children]
for idk, chi in enumerate(innerHTML.children):
# article, number = parser_beautiful(chi, article, number, dircrea, bk)
tag_name = chi.name
if isinstance(chi, str):
article += chi.text
continue
else:
cll = [c for c in chi.children]
# if tag_name in ['table', 'tbody', 'tr', 'td', 'u', 'em']:
if tag_name in ['table', 'tbody', 'tr', 'td', 'u', "article", 'pre', 'ul']:
article, number = parser_beautiful(chi, article, number, dircrea, bk)
elif tag_name=="li":
# article += "\n* "
art, _ = parser_beautiful(chi, "", 0, dircrea, bk)
article += "\n* "+art + "\n"
elif tag_name=="em":
article += " *" + chi.text + "* "
elif tag_name=="br":
article += "\n"
elif tag_name=="blockquote":
if len(cll) > 1:
art, _ = parser_beautiful(chi, "", 0, dircrea, True)
art = re.sub(r'\n\n+', '\n', art)
article += '\n>'+art+'\n'
else:
article += "\n>" + chi.text + "\n"
elif tag_name=="br":
if inname=="p" and tag_name=='br':
kk = list(innerHTML.children)
if len(kk) >= 2 and kk[1].name=='a':
linksite = None
title = None
if 'href' in kk[1].attrs.keys():
linksite = kk[1].attrs['href']
if 'title' in kk[1].attrs.keys():
title = kk[1].attrs['title']
if linksite and title:
article += f'[{title}]({linksite})\n\n'
break
article += "\n"
elif tag_name=="p":
article, number = parser_beautiful(chi, article, number, dircrea, bk)
article += "\n\n"
# elif tag_name=="br":
# article += "<br>\n"
elif tag_name in ['h1', 'h2', 'h3', 'h4', 'h5', 'h6']:
article += '#' * int(tag_name[-1]) + ' '
article, number = parser_beautiful(chi, article, number, dircrea, bk)
article += '\n\n'
elif tag_name=="span":
datatex = None
classc = None
if 'data-tex' in chi.attrs.keys():
datatex = chi.attrs["data-tex"]
if 'class' in chi.attrs.keys():
classc = chi.attrs["class"]
if datatex and classc and 'ztext-math' in classc:
content = chi.attrs["data-tex"]
while len(content) > 0 and ' '==content[0]:
content = content[1:]
while len(content) > 0 and ' '==content[-1]:
content = content[:-1]
if len(content) > 0:
if article[-3-1:]=='<br>' or article[-1:]=='\n':
article += "\n$" + content + "$"
else:
article += "$" + content + "$"
else:
article, number = parser_beautiful(chi, article, number, dircrea, bk)
# article += nod.text
elif tag_name=="u":
article, number = parser_beautiful(chi, article, number, dircrea, bk)
elif tag_name=="a":
linksite = None
if 'href' in chi.attrs.keys():
linksite = chi.attrs['href']
if linksite:
linksite = linksite.replace("//link.zhihu.com/?target=https%3A", "").replace("//link.zhihu.com/?target=http%3A", "")
ar, _ = parser_beautiful(chi, "", 0, dircrea, False)
if len(article) > 0 and article[-1]=='\n':
article += "["+ar+"]"+"("+linksite + ")"
elif len(article) > 0 and article[-1] not in ['\n', ' ']:
article += " ["+ar+"]"+"("+linksite + ")"
else:
article += "\n\n["+ar+"]"+"("+linksite + ")"
if idk!=len(allchild)-1 and allchild[idk+1].name=='a':
article += '\n\n'
elif tag_name=='b' or tag_name=='strong':
if len(cll) > 1:
art, _ = parser_beautiful(chi, "", 0, dircrea, False)
article += "**" + art + "**"
else:
txt = chi.text
while len(txt) > 0 and txt[-1] == " ":
txt = txt[:-1]
article += " **" + txt + "** "
elif tag_name=="figure":
noscript = chi.find_all('noscript')
if len(noscript) > 0:
chi.noscript.extract()
imgchunk = chi.find_all('img')
for i in range(len(imgchunk)):
imglink = None
if 'data-original' in imgchunk[i].attrs.keys():
imglink = imgchunk[i].attrs["data-original"]
if 'data-actualsrc' in imgchunk[i].attrs.keys():
imglink = imgchunk[i].attrs['data-actualsrc']
if imglink==None:
imglink = imgchunk[i].attrs["src"]
try:
response = requests.get(imglink, timeout=30)
except:
try:
response = requests.get(imglink, timeout=30)
except:
continue
if response.status_code==200:
article += ''' <img src="%d.jpg" width="100%%"/> \n\n'''%number
# article += '''<img src="%d.jpg"/>'''%number
with open(os.path.join(dircrea, str(number) + '.jpg'), 'wb') as obj:
obj.write(response.content)
number += 1
crawlsleep(sleeptime)
elif tag_name=="div":
prenode = chi.find_all('code')
if len(prenode) > 0:
for i in prenode:
language = "text"
if 'class' in i.attrs.keys():
lan = i.attrs['class']
if len(lan)>0:
if 'language-' in lan[0]:
language = lan[0].split("-")[-1]
article += "\n\n```%s []\n"%language + i.text + "\n```\n\n"
else:
article, number = parser_beautiful(chi, article, number, dircrea, bk)
article += "\n\n"
if bk:
article += "**"
article = article.replace("\n\n\n\n\n", "\n\n")
article = article.replace("\n\n\n\n", "\n\n")
article = article.replace("\n\n\n", "\n\n")
return article, number
def recursion(nod, article, number, driver, dircrea, bk=False):
if isinstance(nod, dict):
if 'nodeName' in nod.keys() and nod['nodeName']=='#text':
kkk = cleartxt(nod['textContent'])
if len(kkk) > 0:
if bk:
article += "**"
article += nod['textContent']
if bk:
article += "**"
return article, number
elif isinstance(nod, webdriver.remote.webelement.WebElement):
tag_name = nod.tag_name
if tag_name=="br":
article += "<br>\n"
elif tag_name in ['h1', 'h2', 'h3', 'h4', 'h5', 'h6']:
article += "\n" + '#' * int(tag_name[-1]) + ' '
try:
p_childNodes = driver.execute_script("return arguments[0].childNodes;", nod)
for pnode in p_childNodes:
article, number = recursion(pnode, article, number, driver, dircrea, bk)
except:
pass
article += '\n'
elif tag_name=="span":
datatex = nod.get_attribute("data-tex")
classc = nod.get_attribute("class")
if datatex and classc and 'ztext-math' in classc:
if article[-3-1:]=='<br>' or article[-1:]=='\n':
article += "\n$" + nod.get_attribute("data-tex") + "$"
else:
article += "$" + nod.get_attribute("data-tex") + "$"
else:
imgchunk = nod.find_elements(By.TAG_NAME, 'img')
achunk = nod.find_elements(By.TAG_NAME, 'a')
if len(imgchunk)==0 and len(achunk)==0:
if bk:
article += "**"
article += nod.text
if bk:
article += "**"
else:
p_childNodes = driver.execute_script("return arguments[0].childNodes;", nod)
for pnode in p_childNodes:
article, number = recursion(pnode, article, number, driver, dircrea, bk)
# else:
# formula_span = nod.find_elements(By.CLASS_NAME, "ztext-math")
# for jf in range(len(formula_span)):
# ele = formula_span[jf]
# article += "$" + ele.get_attribute("data-tex") + "$"
elif tag_name=="a":
linksite = nod.get_attribute("href")
if linksite:
linksite = linksite.replace("//link.zhihu.com/?target=https%3A", "").replace("//link.zhihu.com/?target=http%3A", "")
if article[-3-1:]=='<br>' or article[-1:]=='\n':
article += "\n\n["+nod.text+"]"+"("+linksite + ")"
else:
article += "["+nod.text+"]"+"("+linksite + ")"
elif tag_name=="b" or tag_name=="strong":
try:
p_childNodes = driver.execute_script("return arguments[0].childNodes;", nod)
for pnode in p_childNodes:
article, number = recursion(pnode, article, number, driver, dircrea, True)
except:
txt = nod.text
while len(txt) > 0 and txt[-1] == " ":
txt = txt[:-1]
article += " **" + txt + "** "
elif tag_name=="em":
if bk:
article += "**"
article += nod.text
if bk:
article += "**"
# elif tag_name=='td':
# article += nod.text
elif tag_name in ['table', 'tbody', 'tr', 'td', 'u']:
p_childNodes = driver.execute_script("return arguments[0].childNodes;", nod)
for pnode in p_childNodes:
article, number = recursion(pnode, article, number, driver, dircrea, bk)
elif tag_name=='p':
try:
p_childNodes = driver.execute_script("return arguments[0].childNodes;", nod)
for pnode in p_childNodes:
article, number = recursion(pnode, article, number, driver, dircrea, bk)
except:
article += nod.text
article += "\n"
elif tag_name=="div":
# atags = nod.find_elements(By.TAG_NAME, 'a')
prenode = nod.find_elements(By.TAG_NAME, 'code')
if len(prenode) > 0:
for i in prenode:
article += "<br>\n```\n" + i.text + "\n```\n<br>"
else:
p_childNodes = driver.execute_script("return arguments[0].childNodes;", nod)
for pnode in p_childNodes:
article, number = recursion(pnode, article, number, driver, dircrea, bk)
elif tag_name=="figure":
imgchunk = nod.find_elements(By.TAG_NAME, 'img')
for i in range(len(imgchunk)):
imglink = imgchunk[i].get_attribute("data-original")
if imglink==None:
imglink = imgchunk[i].get_attribute("src")
try:
response = requests.get(imglink, timeout=30)
except:
try:
response = requests.get(imglink, timeout=30)
except:
continue
if response.status_code==200:
article += ''' <img src="%d.jpg" width="100%%"/> '''%number
# article += '''<img src="%d.jpg"/>'''%number
with open(os.path.join(dircrea, str(number) + '.jpg'), 'wb') as obj:
obj.write(response.content)
number += 1
crawlsleep(sleeptime)
return article, number
def crawl_article_detail(driver:webdriver):
website_col = {}
for i in os.listdir(articledir):
try:
kk = int(i)
shutil.rmtree(os.path.join(articledir, i))
except:
pass
with open(os.path.join(articledir, 'article.txt'), 'r', encoding='utf-8') as obj:
for i in obj.readlines():
i = i.strip()
while len(i)>0 and i[0]==' ':
i = i[1:]
if i=="":
continue
ind = i.index(" ")
website = i[:ind]
title = i[ind+1:].replace("\n", "")
while len(title)>0 and title[0]==' ':
title = title[1:]
while len(title)>0 and title[-1]==' ':
title = title[:-1]
if title=="":
continue
website_col[website] = title
allbegin = now()
numberpage = 1e-6
for website, title in website_col.items():
begin = now()
nam = title.replace(":", "_").replace("?", "_问号_"). \
replace("/","_").replace("\\","_").replace("\"", "_").\
replace("*","_").replace("|", "_").replace("？", "_问号_").replace("！", "_感叹号_").\
replace("<", "小于").replace(">", "大于").replace("(", "").\
replace(")", "").replace(",", "_逗号_").replace("，", "_逗号_").replace(" ", "_空格_").\
replace(" ", "_空格_").replace(" ", "_空格_").replace("：", "_冒号_").replace("、", "_顿号_")
temp_name = nam #str(np.random.randint(999999999)) + str(np.random.randint(999999999))
if len(temp_name) > 100:
temp_name = temp_name[:100]
while temp_name!="" and temp_name[-1]==" ":
temp_name = temp_name[:-1]
while temp_name!="" and temp_name[0]==" ":
temp_name = temp_name[1:]
# nam_pinyin = pinyin.get(nam, format='numerical')
# if '租房' not in title:
# continue
direxit = False
fileexit = False
dirname = ''
filesize = 0
kkk = -9
for i in os.listdir(articledir):
if nam in i and os.path.isdir(os.path.join(articledir, i)):
direxit = True
dircol = os.path.join(articledir, i)
for j in os.listdir(dircol):
if '.pdf' in j:
if os.path.getsize(os.path.join(dircol, j)) > 0:
kkk = 9
break
if kkk > 0:
break
if kkk > 0:
continue
dircrea = os.path.join(articledir, temp_name)
os.makedirs(dircrea, exist_ok = True)
#get article text
driver.get(website)
WebDriverWait(driver, timeout=20).until(lambda d: d.find_element(By.CLASS_NAME, "Post-Topics"))
#https://stackoverflow.com/questions/61877719/how-to-get-current-scroll-height-in-selenium-python
scrollHeight = driver.execute_script('''return document.documentElement.scrollHeight''')
footer = driver.find_element(By.TAG_NAME, "html")
scroll_origin = ScrollOrigin.from_element(footer, 0, -60)
ActionChains(driver).scroll_from_origin(scroll_origin, 0, -100000).perform()
for i in range(18):
try:
ActionChains(driver).scroll_from_origin(scroll_origin, 0, scrollHeight//18).perform()
except:
try:
ActionChains(driver).scroll_from_origin(scroll_origin, 0, -scrollHeight//18).perform()
except:
pass
crawlsleep(0.8)
#remove noneed element
try:
driver.execute_script('''document.getElementsByClassName("Post-Sub")[0].remove();''')
except:
pass
try:
driver.execute_script('''document.getElementsByClassName("ColumnPageHeader-Wrapper")[0].remove();''')
except:
pass
try:
driver.execute_script('''document.getElementsByClassName("RichContent-actions")[0].remove();''')
except:
pass
if MarkDown_FORMAT:
richtext = driver.find_element(By.CLASS_NAME, "Post-RichText")
titletext = driver.find_element(By.CLASS_NAME, "Post-Title")
# article_childNodes = driver.execute_script("return arguments[0].childNodes;", richtext)
article = ""
number = 0
# for nod in article_childNodes:
# article, number = recursion(nod, article, number, driver, dircrea)
inner = driver.execute_script("return arguments[0].innerHTML;", richtext)
innerHTML = BeautifulSoup(inner, "html.parser")
article, number = parser_beautiful(innerHTML, article, number, dircrea)
article = article.replace("修改\n", "").replace("开启赞赏\n", "开启赞赏, ").replace("添加评论\n", "").replace("分享\n", "").\
replace("收藏\n", "").replace("设置\n", "")
tle = titletext.text
article += "<br>\n\n["+driver.current_url+"](" + driver.current_url + ")<br>\n"
if len(article) > 0:
try:
f=open(os.path.join(dircrea, nam[:3] + "_.md"), 'w', encoding='utf-8')
f.close()
except:
nam = nam[:len(nam)//2]
with open(os.path.join(dircrea, nam[:3] + "_.md"), 'w', encoding='utf-8') as obj:
obj.write("# " + tle+"\n\n")
if len(article) > 0:
obj.write(article + "\n\n\n")
obj.write("\n\n\n")
# article to pdf
clocktxt = driver.find_element(By.CLASS_NAME, "Post-NormalMain").find_element(By.CLASS_NAME, "ContentItem-time")
crawlsleep(1)
url = driver.current_url
driver.execute_script("const para = document.createElement(\"h2\"); \
const br = document.createElement(\"br\"); \
const node = document.createTextNode(\"%s\");\
para.appendChild(node);\
const currentDiv = document.getElementsByClassName(\"Post-Header\")[0];\
currentDiv.appendChild(br); \
currentDiv.appendChild(para);"%url \
)
clock = clocktxt.text[3+1:].replace(":", "_")
pagetopdf(driver, dircrea, temp_name, nam, articledir, url, Created=clock)
crawlsleep(sleeptime)
#https://stackoverflow.com/questions/23359083/how-to-convert-webpage-into-pdf-by-using-python
#https://github.com/JazzCore/python-pdfkit
# if article_to_jpg_pdf_markdown:
# config = pdfkit.configuration(wkhtmltopdf = wkhtmltopdf_path)
# pdfkit.from_url(website, os.path.join(dircrea, nam_pinyin+"_.pdf"), configuration = config)
end = now()
print("爬取一篇article耗时：", title, round(end - begin, 3))
logfp.write("爬取一篇article耗时：" + title + " " + str(round(end - begin, 3)) + "\n")
numberpage += 1
# crawlsleep(600)
allend = now()
print("平均爬取一篇article耗时：", round((allend - allbegin) / numberpage, 3))
logfp.write("平均爬取一篇article耗时：" + str(round((allend - allbegin) / numberpage, 3)) + "\n")
def pagetopdf(driver, dircrea, temp_name, nam, destdir, url, Created=""):
fileexit = os.path.exists(os.path.join(dircrea, temp_name + "_.pdf"))
if fileexit:
try:
os.remove(os.path.join(dircrea, temp_name + "_.pdf"))
except:
pass
printop = PrintOptions()
printop.shrink_to_fit = True
# printop.margin_left = 0
# printop.margin_right = 0
# printop.margin_top = 0
# printop.margin_bottom = 0
# printop.page_height = 29.7
# printop.page_width = 21
printop.background = True
printop.scale = 1.0
try:
pdf = driver.print_page(print_options=printop)
with open(os.path.join(dircrea, nam[:3] + "_.pdf"), 'wb') as obj:
obj.write(base64.b64decode(pdf))
except:
with open(os.path.join(dircrea, nam[:3] + "_pdf.txt"), 'w') as obj:
obj.write("the page is too large, can not save, you should save pdf using \"Ctrl+P or Ctrl+Shift+P\"\n")
# driver.execute_script('window.print();')
clock = Created #clocktxt.text[3+1:].replace(":", "_")
with open(os.path.join(dircrea, clock+".txt"), 'w', encoding='utf-8') as obj:
obj.write(clock+"\n")
obj.write(url)
clocktmp = clock.split(".")[0].replace("T", "_")
clock = clocktmp.split("・")[0].replace(" ", "_")
address = ""
try:
address += clocktmp.split("・")[1].replace(" ", "_")
except:
pass
try:
os.rename(dircrea, os.path.join(destdir, clock + "_" + nam + "_" + address))
except Exception as e0:
crawlsleep(3+addtime)
try:
os.rename(dircrea, os.path.join(destdir, clock + "_" + nam + "_" + address))
except Exception as e1:
pass
def crawl_answer_detail(driver:webdriver):
website_col = {}
for i in os.listdir(answerdir):
try:
kk = int(i)
shutil.rmtree(os.path.join(answerdir, i))
except:
pass
with open(os.path.join(answerdir, 'answers.txt'), 'r', encoding='utf-8') as obj:
for i in obj.readlines():
i = i.strip()
while len(i)>0 and i[0]==' ':
i = i[1:]
if i=="":
continue
ind = i.index(" ")
website = i[:ind]
title = i[ind+1:].replace("\n", "")
while len(title)>0 and title[0]==' ':
title = title[1:]
while len(title)>0 and title[-1]==' ':
title = title[:-1]
if title=="":
continue
website_col[website] = title
allbegin = now()
numberpage = 1e-6
for website, title in website_col.items():
begin = now()
nam = title.replace(":", "_").replace("?", "_问号_"). \
replace("/","_").replace("\\","_").replace("\"", "_").\
replace("*","_").replace("|", "_").replace("？", "_问号_").replace("！", "_感叹号_").\
replace("<", "小于").replace(">", "大于").replace("(", "").\
replace(")", "").replace(",", "_逗号_").replace("，", "_逗号_").replace(" ", "_空格_").\
replace(" ", "_空格_").replace(" ", "_空格_").replace("：", "_冒号_")
if len(nam) > 100:
nam = nam[:100]
temp_name = nam #str(np.random.randint(999999999)) + str(np.random.randint(999999999))
while temp_name!="" and temp_name[-1]==" ":
temp_name = temp_name[:-1]
while temp_name!="" and temp_name[0]==" ":
temp_name = temp_name[1:]
# nam_pinyin = pinyin.get(nam, format='numerical')
# if '不定积分该用什么方' not in title:
# continue
direxit = False
fileexit = False
dirname = ''
filesize = 0
# for i in os.listdir(answerdir):
# if nam in i and os.path.isdir(os.path.join(answerdir, i)):
# direxit = True
# dirname = i
# fileexit = os.path.exists(os.path.join(answerdir, dirname, nam + "_.pdf"))
# if fileexit:
# filesize = os.path.getsize(os.path.join(answerdir, dirname, nam + "_.pdf"))
# break
kkk = -9
for i in os.listdir(answerdir):
if nam in i and os.path.isdir(os.path.join(answerdir, i)):
direxit = True
dircol = os.path.join(answerdir, i)
for j in os.listdir(dircol):
if '.pdf' in j:
if os.path.getsize(os.path.join(dircol, j)) > 0:
kkk = 9
break
if kkk > 0:
break
if kkk > 0:
continue
dircrea = os.path.join(answerdir, temp_name)
# if direxit and fileexit and filesize > 0:
# if '_IP_' in dirname:
# filnam = dirname[16+1:].split("_IP_")[0]
# else:
# filnam = dirname[16+1:][:-1]
# if filnam == nam:
# continue
os.makedirs(dircrea, exist_ok = True)
#get article text
driver.get(website)
WebDriverWait(driver, timeout=10).until(lambda d: d.find_element(By.CLASS_NAME, "AnswerItem-editButtonText"))
#https://stackoverflow.com/questions/61877719/how-to-get-current-scroll-height-in-selenium-python
scrollHeight = driver.execute_script('''return document.getElementsByClassName("QuestionAnswer-content")[0].scrollHeight''')
footer = driver.find_element(By.TAG_NAME, "html")
scroll_origin = ScrollOrigin.from_element(footer, 0, 0)
ActionChains(driver).scroll_from_origin(scroll_origin, 0, -100000).perform()
for i in range(18):
try:
ActionChains(driver).scroll_from_origin(scroll_origin, 0, scrollHeight//18).perform()
except:
try:
ActionChains(driver).scroll_from_origin(scroll_origin, 0, -scrollHeight//18).perform()
except:
pass
crawlsleep(0.8)
ActionChains(driver).scroll_from_origin(scroll_origin, 0, -100000).perform()
article = ""
number = 0
try:
QuestionRichText = driver.find_element(By.CLASS_NAME, "QuestionRichText")
button = QuestionRichText.find_element(By.CLASS_NAME, "QuestionRichText-more")
WebDriverWait(driver, timeout=20).until(EC.element_to_be_clickable((By.CLASS_NAME, "QuestionRichText-more")))
crawlsleep(max(2, sleeptime))
button.click()
question_RichText = QuestionRichText.find_element(By.CLASS_NAME, "RichText")
# question_childNodes = driver.execute_script("return arguments[0].childNodes;", question_RichText)
article += "# question： <br>\n"
# for nod in question_childNodes:
# article, number = recursion(nod, article, number, driver, dircrea)
inner = driver.execute_script("return arguments[0].innerHTML;", question_RichText)
innerHTML = BeautifulSoup(inner, "html.parser")
article, number = parser_beautiful(innerHTML, article, number, dircrea)
except:
pass
article += "<br>\n\n\n# answer： <br>\n"
#remove noneed element
try:
driver.execute_script('''document.getElementsByClassName("MoreAnswers")[0].remove();''')
except:
pass
try:
driver.execute_script('''document.getElementsByClassName("ViewAll")[0].remove();''')
except:
pass
try:
driver.execute_script('''document.getElementsByClassName("ViewAll")[0].remove();''')
except:
pass
try:
driver.execute_script('''document.getElementsByClassName("AppHeader")[0].remove();''')
except:
pass
try:
driver.execute_script('''document.getElementsByClassName("Reward")[0].remove();''')
except:
pass
try:
driver.execute_script('''document.getElementsByClassName("Question-sideColumn")[0].remove();''')
except:
pass
Created = "not found"
Modified = "not found"
QuestionAnswer = driver.find_element(By.CLASS_NAME, "QuestionAnswer-content")
richtext = QuestionAnswer.find_element(By.CLASS_NAME, "CopyrightRichText-richText")
Createdtime = QuestionAnswer.find_element(By.CLASS_NAME, "ContentItem-time")
Created = Createdtime.text[4:].replace(":", "_").replace(".", "_")