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scrapper_manual.py
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scrapper_manual.py
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import os.path
import random
from selenium import webdriver
from selenium.webdriver.common.by import By
from random import randint
from time import sleep
import pickle
import re
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.common.action_chains import ActionChains
from bs4 import BeautifulSoup
if __name__ == '__main__':
with open('list.txt', 'r') as file:
top_journals = file.readlines()
chrome_driver_path = 'chromedriver.exe'
# Configure proxy settings. If you need...
proxy_address = '127.0.0.1:7890'
webdriver.DesiredCapabilities.CHROME['proxy'] = {
"httpProxy": proxy_address,
"ftpProxy": proxy_address,
"sslProxy": proxy_address,
"proxyType": "MANUAL",
}
chrome_options = Options()
chrome_options.add_argument(
"user-agent=Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36")
# Launch WebDriver with proxy settings
driver = webdriver.Chrome(executable_path=chrome_driver_path, options=chrome_options)
actions = ActionChains(driver)
def build_url(journal_name, start_seq):
journal_split = journal_name.strip().split(' ')
url = "https://scholar.google.com/scholar?start=" + str(start_seq) + "&q=source:" + journal_split[0].strip()
if len(journal_split) >= 1:
for split in journal_split[1:]:
url += '+source:' + split.strip()
# exclude citation
url += "&as_vis=1"
return url
def build_keys(journal_name):
journal_split = journal_name.strip().split(' ')
key_str = ''
for split in journal_split:
key_str += 'source:' + split + " "
return key_str
# high frequency random mouse walk.
def random_mouse_walk(actions):
for i in range(10):
actions.move_by_offset(randint(-20, 20), randint(-20, 20))
sleep(random.uniform(0, 0.1))
def scroll_down(driver):
driver.execute_script("window.scrollBy(0, {});".format(randint(0, 1000)))
def scroll_up(driver):
driver.execute_script("window.scrollBy(0, {});".format(randint(-1000, 0)))
def random_user_action(driver, actions):
for i in range(10):
roll = random.uniform(0, 1)
if roll > 0.5:
random_mouse_walk(actions)
else:
if roll > 0.75:
scroll_up(driver)
else:
scroll_down(driver)
def move_to_element(element, driver, actions):
# Mock human interactive move to the element
random_mouse_walk(actions)
actions.move_to_element(element)
def check_for_bot(driver):
# Check if there is a human check in the page!
html = driver.page_source
match = re.search(r'recaptcha', html)
if match:
return True
else:
return False
def fuck_reCAPTCHA():
input("请完成人机身份验证，验证后请输入任何字符以继续")
return
paper_store = []
file_idx = 0
while True:
if os.path.exists(os.path.join('infos', str(file_idx) + '.pickle')):
file_idx += 1
else:
break
print("History db found, start from " + os.path.join('infos', str(file_idx) + '.pickle'))
total_cnt = 0
start_year = 1990
end_year = 2023
with open('log', 'r') as file:
output = file.readlines()
if len(output) == 2:
check_journal = output[0]
check_year = int(output[1])
finished_journal = True
else:
finished_journal = False
for journal in top_journals[:]:
cur_year = start_year
if (finished_journal == True) and (journal.strip() != check_journal.strip()):
continue
while cur_year <= end_year:
if (finished_journal == True) and cur_year < check_year:
cur_year += 1
continue
elif (finished_journal == True) and cur_year == check_year:
finished_journal = False
cur_year += 1
continue
driver.get("https://scholar.google.com")
sleep(5)
if check_for_bot(driver):
fuck_reCAPTCHA()
search_box = driver.find_element(By.NAME, "q")
# throw in some random move!
move_to_element(search_box, driver, actions)
search_box.send_keys(build_keys(journal))
search_box.send_keys(Keys.RETURN)
sleep(5)
random_user_action(driver, actions)
if check_for_bot(driver):
fuck_reCAPTCHA()
# exclude citation:
sidebar = driver.find_element(By.ID, "gs_bdy_sb")
exclude_citation = sidebar.find_elements(By.CSS_SELECTOR, ".gs_lbl")[2]
move_to_element(exclude_citation, driver, actions)
exclude_citation.click()
sleep(5)
if check_for_bot(driver):
fuck_reCAPTCHA()
# advance search!
custom_range = driver.find_element(By.ID, "gs_res_sb_yyc")
move_to_element(custom_range, driver, actions)
custom_range.click()
sleep(random.uniform(0.1, 0.5))
sidebar = driver.find_element(By.ID, "gs_bdy_sb")
input_1 = sidebar.find_element(By.NAME, "as_ylo")
move_to_element(input_1, driver, actions)
input_1.send_keys(str(cur_year))
input_2 = sidebar.find_element(By.NAME, "as_yhi")
move_to_element(input_2, driver, actions)
input_2.send_keys(str(cur_year))
search_btn = sidebar.find_element(By.CLASS_NAME, "gs_btn_lsb")
move_to_element(search_btn, driver, actions)
search_btn.click()
sleep(5)
if check_for_bot(driver):
fuck_reCAPTCHA()
while True:
if check_for_bot(driver):
fuck_reCAPTCHA()
papers = driver.find_elements(By.CSS_SELECTOR, ".gs_r.gs_or.gs_scl")
for paper in papers:
title = paper.find_element(By.CLASS_NAME, "gs_rt")
title = title.text
try:
url2 = paper.find_element(By.CLASS_NAME, "gs_rt")
url2 = url2.find_element(By.CSS_SELECTOR, "a[href]")
url2 = url2.get_attribute("href")
except:
url2 = ''
# get citation from third child of "gs_fl"
try:
citation = paper.find_element(By.CLASS_NAME, "gs_ri")
citation = citation.find_element(By.CLASS_NAME, "gs_fl")
citation = citation.find_elements(By.XPATH, './*')
match = re.match("\s*[^0-9]*\s*(\d*)", citation[2].text)
citation = eval(match.group(1))
except:
citation = 0
# get date
# date = paper.find_element(By.CLASS_NAME, "gs_a")
# match = re.match("[^0-9]*(\d*)[^0-9]*", date.text)
# date = eval(match.group(1))
date = cur_year
# get url1
try:
url1 = paper.find_element(By.CLASS_NAME, "gs_or_ggsm")
url1 = url1.find_elements(By.XPATH, './*')
url1 = url1[0].get_attribute("href")
except:
url1 = ''
paper_store.append({
'journal': journal,
'title': title,
'citation': citation,
'date': date,
'url1': url1,
'url2': url2,
})
total_cnt += 1
if len(paper_store) >= 100:
print("Scraped " + str(total_cnt) + " papers.")
with open(str(file_idx) + '.pickle', 'wb') as file:
pickle.dump(paper_store, file)
paper_store = []
file_idx += 1
sleep(randint(5, 15))
# GOTO next. if no next is found. complete!
for i in range(3):
scroll_down(driver)
sleep(randint(10, 30))
try:
next = driver.find_element(By.ID, "gs_n")
next = next.find_element(By.CSS_SELECTOR, '[align="left"]')
son = next.find_element(By.XPATH, './*')
if son.get_attribute("href"):
move_to_element(next, driver, actions)
next.click()
else:
# end here!
print("Year " + str(cur_year) + " of " + journal + "is completed.")
with open("log", "w") as file:
file.writelines([journal, str(cur_year)])
break
except:
print("Year " + str(cur_year) + " of " + journal + "is completed.")
with open("log", "w") as file:
file.writelines([journal, str(cur_year)])
break
cur_year += 1
# flush.
with open(str(file_idx) + '.pickle', 'wb') as file:
pickle.dump(paper_store, file)
paper_store = []
file_idx += 1