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# %%
import sqlite3
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.common.exceptions import TimeoutException, NoSuchElementException
import logging
from pathlib import Path
from tqdm.auto import tqdm
import os
import pickle
import csv
import time
import threading
from glob import glob
import argparse
import random
# %% [markdown]
# ## Multiprocessing version
# %%
from tqdm.contrib.concurrent import process_map, thread_map
from multiprocessing import Pool, Process, Manager, Lock
import multiprocessing as mp
from multiprocessing.dummy import Pool as DummyPool
from webdriver_manager.chrome import ChromeDriverManager
from logging.handlers import RotatingFileHandler
HEADLESS = False
VERSION = 120
PROCESS_NUM = 4
CHUNK_SIZE = 300
IMPLICIT_WAIT_TIME = 5
def setupLogger(loggername, loggingfile = None, logginglevel = logging.INFO, loggingqueue = None):
"""
Set up a logger with the specified name and optional logging file.
Parameters:
loggername (str): The name of the logger.
loggingfile (str): The path to the logging file (optional).
Returns:
logging.Logger: The configured logger.
"""
if loggername not in logging.Logger.manager.loggerDict:
# Create a logger in the main process
logger = logging.getLogger(loggername)
logger.setLevel(logginglevel)
handler = logging.StreamHandler()
if loggingfile is not None:
filehandler = RotatingFileHandler(loggingfile, maxBytes=1000000, backupCount=3, delay=True)
processname = mp.current_process().name
if processname == 'MainProcess':
# clear the log file
with open(loggingfile, 'w'):
pass
formatter = logging.Formatter('%(asctime)s [%(processName)s] [%(levelname)s] %(message)s')
handler.setFormatter(formatter)
filehandler.setFormatter(formatter)
if loggingqueue is not None:
queuehandler = logging.handlers.QueueHandler(loggingqueue)
logger.addHandler(queuehandler)
logger.addHandler(handler)
if loggingfile is not None:
logger.addHandler(filehandler)
return logger
else:
return logging.getLogger(loggername)
class logging_tqdm(tqdm):
def __init__(
self,
*args,
loggername="logging_tqdm_logger",
loggingfile = None,
logginglevel = logging.INFO,
loggingqueue = None,
mininterval: float = 1,
bar_format: str = '{desc}{percentage:3.0f}%{r_bar}',
desc: str = 'progress: ',
**kwargs):
self._loggername = loggername
self._loggingfile = loggingfile
self._logginglevel = logginglevel
self._loggingqueue = loggingqueue
self._logger = setupLogger(loggername, loggingfile, logginglevel, loggingqueue)
super().__init__(
*args,
mininterval=mininterval,
bar_format=bar_format,
desc=desc,
**kwargs
)
@property
def logger(self):
if self._logger is not None:
return self._logger
return setupLogger(self._loggername, self._loggingfile, self._logginglevel, self._loggingqueue)
def display(self, msg=None, pos=None):
if not self.n:
# skip progress bar before having processed anything
return
if not msg:
msg = self.__str__()
self.logger.info(f'%s', msg)
def sleepy_find_element(browser, by_query_list, attempt_count :int =30, sleep_duration =0.3):
'''
Finds the web element using the locator and query.
This function attempts to find the element multiple times with a specified
sleep duration between attempts. If the element is found, the function returns the element.
Args:
by (selenium.webdriver.common.by.By): The method used to locate the element.
query (str): The query string to locate the element.
attempt_count (int, optional): The number of attempts to find the element. Default: 20.
sleep_duration (int, optional): The duration to sleep between attempts. Default: 1.
Returns:
selenium.webdriver.remote.webelement.WebElement: Web element or None if not found.
'''
if not isinstance(by_query_list[0], (list, tuple)):
by_query_list = [by_query_list]
item = []
browser.implicitly_wait(0.3)
for _count in range(attempt_count):
for (by, query) in by_query_list:
item = browser.find_elements(by, query)
if len(item) > 0:
item = item[0]
# logging.info(f'Element {query} has found')
break
if item == []:
# logging.info(f'Element {query} is not present, attempt: {_count+1}')
time.sleep(sleep_duration)
else:
break
if item is list:
logging.warning("Element not find!")
browser.implicitly_wait(IMPLICIT_WAIT_TIME)
return item
def collect_data_multiprocessing(postcode_chunk,
chromelock,nodatalock,savedpstcdlock,loggingqueue,
chrome_profile_path_lst,
loggername,
loggingfile,
data_index
):
import undetected_chromedriver as uc # local import due to memory leak
# setuplogger
logger = setupLogger(loggername, loggingfile, loggingqueue=loggingqueue)
saved_postcode_lst = []
no_data_lst = []
# variables
website_url = "https://propertydata.co.uk/internal-area-lookup"
website_login_url = "https://propertydata.co.uk/login"
postcode_input_xp = '//input[contains(@name, "postcode")]'
submit_but_xp = '//input[contains(@name, "postcode")]/../following-sibling::label/input[contains(@type, "submit")]'
back_but_xp = '//a[contains(.,"Look up another postcode")]'
not_found_xp = '//p[contains(., "No energy performance")]'
not_found_xp_2 = '//p[contains(., "enter a valid")]'
anchor_td_xp = '//td[contains(., "Inspection date")]'
data_tr_xp = anchor_td_xp + '/../../tr'
# init browser
with chromelock:
chrome_profile_path = chrome_profile_path_lst.pop()
logger.info(f"Chrome profile path: {chrome_profile_path}") # todo
options = uc.ChromeOptions()
options.page_load_strategy = 'eager'
# options.add_argument("--auto-open-devtools-for-tabs") # help to avoid cloudfare human verify check
options.add_argument("--disable-popup-blocking")
options.add_argument("--window-size=800,600")
# options.add_argument("--start-maximized")
# options.add_argument('--disable-gpu')
options.add_argument("--no-sandbox")
options.add_argument("--disable-setuid-sandbox")
options.add_argument("--disable-extensions")
options.add_argument('--disable-application-cache')
options.add_argument("--disable-dev-shm-usage")
if HEADLESS:
options.add_argument("--headless=new")
driver = None
# get process name
thread_name = mp.current_process().name
def init_and_login_localf():
driver.get("https://www.google.com/")
time.sleep(1)
driver.get(website_url)
time.sleep(1)
acc_eles = sleepy_find_element(driver, (By.XPATH, '//a[@href ="/account"]'))
if acc_eles == []:
logger.warning("Try to ReLogin")
try:
driver.get(website_login_url)
except TimeoutException as e:
logger.error(f"{e}")
logger.error("Cannot Open Login Page!!!!")
raise e
address_ele = sleepy_find_element(driver, [By.XPATH, '//input[contains(@name, "email")]'])
address_ele.click()
time.sleep(1)
time.sleep(1)
passwd_ele = sleepy_find_element(driver, [By.XPATH, '//input[contains(@name, "password")]'])
passwd_ele.click()
time.sleep(1)
time.sleep(1)
remember_me_ele = sleepy_find_element(driver, [By.XPATH, '//input[contains(@name, "remember")]'])
remember_me_ele.click()
submit_ele = sleepy_find_element(driver, [By.XPATH, '//input[contains(@type, "submit")]'])
submit_ele.click()
WebDriverWait(driver, 20).until(EC.presence_of_element_located((By.XPATH, '//a[@href ="/account"]')))
driver.get(website_url)
WebDriverWait(driver, 20).until(EC.presence_of_element_located((By.XPATH, '//a[@href ="/account"]')))
try:
# check os system
if os.name == "posix":
time.sleep(0.3) # wait for chrome profile to be ready
driver = uc.Chrome(options=options,
driver_executable_path=ChromeDriverManager().install(),
user_data_dir=chrome_profile_path,
# version_main=VERSION,
user_multi_procs=True)
elif os.name == "nt":
time.sleep(0.3) # wait for chrome profile to be ready
# options.add_argument(f"--user-data-dir={chrome_profile_path}")
driver = uc.Chrome(options=options,
driver_executable_path=ChromeDriverManager().install(),
# driver_executable_path=os.path.join(os.path.abspath(os.getcwd()), 'chromedriver-win64/chromedriver-win64/chromedriver.exe'),
user_multi_procs=True,
)
else:
raise Exception("Unknown OS")
driver.implicitly_wait(IMPLICIT_WAIT_TIME)
the_id_num = int(chrome_profile_path.split("_")[-1])
if the_id_num == 0:
x_offset = 0
y_offset = 0
elif the_id_num == 1:
x_offset = 750
y_offset = 0
elif the_id_num == 2:
x_offset = 0
y_offset = 450
elif the_id_num == 3:
x_offset = 750
y_offset = 450
else:
x_offset = 0
y_offset = 0
driver.set_window_size(900, 700, windowHandle ='current')
time.sleep(1.5)
driver.set_window_position(random.randint(40,80) + x_offset, random.randint(40,80) + y_offset, windowHandle ='current')
time.sleep(2.5)
init_and_login_localf()
# loop
for ind in tqdm(range(len(postcode_chunk)), desc="Working in "+thread_name):
cur_postcode_name = postcode_chunk[ind]
try:
try_limit = 3
try_count = 0
while try_count < try_limit:
# load loopup result
time.sleep(0.3)
postcode_input_ele = sleepy_find_element(driver, [By.XPATH, postcode_input_xp])
submit_but_ele = sleepy_find_element(driver, [By.XPATH, submit_but_xp])
time.sleep(0.2)
postcode_input_ele.click()
postcode_input_ele.send_keys(cur_postcode_name)
time.sleep(1)
submit_but_ele.click()
# collect data
# ancor_or_not_found_ele = WebDriverWait(driver, 30).until(EC.any_of(
# EC.presence_of_element_located((By.XPATH, not_found_xp)),
# EC.presence_of_element_located((By.XPATH, not_found_xp_2)),
# EC.presence_of_element_located((By.XPATH, anchor_td_xp))
# ))
time.sleep(0.4)
ancor_or_not_found_ele = sleepy_find_element(driver, [(By.XPATH, anchor_td_xp),(By.XPATH, not_found_xp),
(By.XPATH, not_found_xp_2),
(By.XPATH, submit_but_xp)
], 20)
if ancor_or_not_found_ele == []:
try_count += 1
continue
if ancor_or_not_found_ele.tag_name == 'input':
try_count += 1
continue
break
ancor_or_not_found_ele = sleepy_find_element(driver, [(By.XPATH, anchor_td_xp),(By.XPATH, not_found_xp),
(By.XPATH, not_found_xp_2),
], 20)
if ancor_or_not_found_ele == []:
raise TimeoutException
# check if no data
elif ancor_or_not_found_ele.tag_name == 'p':
no_data_lst.append(cur_postcode_name)
if len(no_data_lst) > 0: # save to file
with nodatalock:
with open('./running_input/postcode_no_data_lst.txt', 'a') as f:
for pcl in no_data_lst:
f.write(str(pcl)+"\n")
no_data_lst[:] = [] # manager list remove all
init_and_login_localf()
continue
time.sleep(random.randint(4,8))
# data_tr_eles = WebDriverWait(driver, 2).until(
# EC.presence_of_all_elements_located((By.XPATH, data_tr_xp)))
data_tr_eles = driver.find_elements(By.XPATH, data_tr_xp)
data_tr_eles = data_tr_eles[1:] # remove first row
except (NoSuchElementException, TimeoutException) as e:
# try to skip cloudflare
# driver.execute_script('''window.open("http://nowsecure.nl","_blank");''') # open page in new tab
try:
sleeptimeforcd = 30
logger.warning(f"Blocked by {type(e)}, Try to Sleep {sleeptimeforcd}s.")
WebDriverWait(driver, sleeptimeforcd).until(EC.presence_of_element_located((By.XPATH, '//a[@href ="/account"]')))
except TimeoutException:
init_and_login_localf()
continue
row_total_lst = []
for temp_data_tr_ele in data_tr_eles:
all_eles = temp_data_tr_ele.find_elements(By.XPATH, "./td")
if len(all_eles) != 6:
continue
inspection_date = all_eles[0].text
address = all_eles[1].text
floor_area = all_eles[2].text
habitable_room = all_eles[3].text
energyrate = all_eles[4].text
energyrate_val = all_eles[5].text
irow = [inspection_date, address, floor_area, habitable_room, energyrate, energyrate_val, cur_postcode_name]
row_total_lst.append(irow)
# save to file
# with open("./postcode_lookup_info.csv", 'a') as f:
# wt = csv.writer(f)
# wt.writerows(row_total_lst)
# we need database
conn = sqlite3.connect(f'./running_output/postcode_lookup_info.db')
curser = conn.cursor()
with conn:
sql_create_table = f""" CREATE TABLE IF NOT EXISTS postcode_info_data_table_{data_index} (
inspection_date TEXT,
address TEXT UNIQUE,
floor_area TEXT,
habitable_room TEXT,
energyrate TEXT,
energyrate_val TEXT,
postcode TEXT,
PRIMARY KEY(address)
) WITHOUT ROWID; """
curser.execute(sql_create_table)
curser.executemany(f"INSERT OR REPLACE INTO postcode_info_data_table_{data_index} (inspection_date, address, floor_area, habitable_room, energyrate, energyrate_val, postcode) VALUES (?,?,?,?,?,?,?)", row_total_lst)
conn.close()
# add row to saved_postcode_lst
saved_postcode_lst.append(cur_postcode_name)
if len(saved_postcode_lst) > CHUNK_SIZE // 10: # save to file immediately
with savedpstcdlock:
with open('./running_input/postcode_alr_saved_lst.txt', 'a') as f:
for pcl in saved_postcode_lst:
f.write(str(pcl)+"\n")
saved_postcode_lst[:] = [] # manager list remove all
# backto search bar
back_but_ele = sleepy_find_element(driver, [By.XPATH, back_but_xp])
back_but_ele.click()
except Exception as e:
logger.error(f"Unsovable Error: {e}")
if driver is not None:
driver.close()
time.sleep(0.2)
driver.quit()
time.sleep(0.2)
driver = None
finally:
with chromelock:
chrome_profile_path_lst.append(chrome_profile_path) # return profile path to list
time.sleep(3)
if driver is not None:
driver.close()
time.sleep(2)
driver.quit()
time.sleep(2)
driver = None
if len(saved_postcode_lst) > 0:
with savedpstcdlock:
with open('./running_input/postcode_alr_saved_lst.txt', 'a') as f:
for pcl in saved_postcode_lst:
f.write(str(pcl)+"\n")
saved_postcode_lst[:] = [] # manager list remove all
if len(no_data_lst) > 0:
logger.info(f"No Data list {no_data_lst}")
with nodatalock:
with open('./running_input/postcode_no_data_lst.txt', 'a') as f:
for pcl in no_data_lst:
f.write(str(pcl)+"\n")
no_data_lst[:] = [] # manager list remove all
# %%
def helperf(args):
return collect_data_multiprocessing(*args)
if __name__ == '__main__':
if os.name == "nt":
mp.set_start_method('spawn', force=True)
else:
mp.set_start_method('fork', force=True)
manager = Manager() # Manager dictionary must be used for multiprocessing
# m_saved_postcode_lst = manager.list(saved_postcode_lst)
# m_no_data_lst = manager.list(no_data_lst)
m_chromelock = manager.Lock()
m_nodatalock = manager.Lock()
m_savedpstcdlock = manager.Lock()
m_loggingqueue = manager.Queue()
parser = argparse.ArgumentParser()
parser.add_argument('--data_index', type=int, required=True, choices=[1,2,3])
args = parser.parse_args()
data_index = args.data_index
# make chrome profile
for i in range(PROCESS_NUM):
chrome_profile_path = f"./chrome_profile/chrome_profile_propertydata_co_uk_{i+1}"
if not os.path.exists(chrome_profile_path):
Path(chrome_profile_path).mkdir(parents=True, exist_ok=True)
# setup logger
loggername = "web_scraping_status_logger"
loggingfile = "web_scraping_status.log"
logger = setupLogger(loggername, loggingfile, loggingqueue=m_loggingqueue)
if os.path.exists('./running_input/postcode_no_data_lst.txt'):
with open('./running_input/postcode_no_data_lst.txt', 'r') as f:
no_data_lst = f.read()
no_data_lst = no_data_lst.split('\n')
else:
no_data_lst = []
logger.info(f"No Data list len {len(no_data_lst)}")
# make running_output dir
Path('./running_output').mkdir(parents=True, exist_ok=True)
# %%
# get postcode list from local
with open(f"./running_input/postcode_list_sub_{data_index}.pkl", 'rb') as f:
postcode_list = pickle.load(f)
logger.info(f'Postcode_list len raw: {len(postcode_list)}')
if os.path.exists('./running_input/postcode_alr_saved_lst.txt'):
with open('./running_input/postcode_alr_saved_lst.txt', 'r') as f:
alr_saved_pstcd_list = f.read()
alr_saved_pstcd_list = alr_saved_pstcd_list.split('\n')
# to dict
alr_saved_pstcd_dct = {x:None for x in alr_saved_pstcd_list}
no_data_dict = {x:None for x in no_data_lst}
postcode_list_temp = []
for pc in tqdm(postcode_list):
if pc not in alr_saved_pstcd_dct and pc not in no_data_dict:
postcode_list_temp.append(pc)
postcode_list = postcode_list_temp
logger.info(f'Postcode_list len after filtering: {len(postcode_list)}')
# %%
saved_postcode_lst = []
profile_path_list = glob(os.path.join(os.path.abspath(os.getcwd()), "chrome_profile", "chrome_profile_propertydata_co_uk_*"))
m_profile_path_list = manager.list(profile_path_list)
# %%
postcode_list_chunks = [postcode_list[x:x+CHUNK_SIZE] for x in range(0, len(postcode_list), CHUNK_SIZE)]
# %%
args = [(chunk, m_chromelock,m_nodatalock,m_savedpstcdlock,m_loggingqueue, m_profile_path_list, loggername, loggingfile, data_index) for chunk in postcode_list_chunks]
try:
with mp.Pool(PROCESS_NUM) as pool:
results = list(logging_tqdm(pool.imap(helperf, args, chunksize=1), total=len(args),
loggername=loggername,
loggingfile=loggingfile,
loggingqueue=m_loggingqueue,
desc="Progress Status in Main Process"))
except Exception as e:
logger.error(e)
raise e
finally:
active_children = mp.active_children()
for p in active_children:
p.kill()
p.join()
logger.info("Killing all processes")
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