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reviewScraper.py
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451 lines (390 loc) Β· 19.3 KB
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import threading
import time
import os
# from selenium import webdriver
# from selenium.webdriver.chrome.service import Service
from selenium.webdriver.common.action_chains import ActionChains
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
import pandas as pd
from phone_list import phone_list
import config
from sentiment_model import predict
from datacleaner import DataCleaner
import queue
# Global variables here...
path = 'chromedriver/chromedriver.exe'
website = None
next_page_link = None
file_path = None
folder_name = None
def set_website_link(link):
"""Get website link from html for scraping. Make that link a global variable for use in this module."""
global website
website = link
class MainReviewScraper:
def __init__(self, driver):
self.driver = driver
self.phone_details_dict = {
'Phone_Name': [],
'Rating': [],
'Discount_Price': [],
'Discount': [],
'Actual_Price': [],
'Warranty': [],
'Storage': [],
'Highlights': [],
'Seller_Name': [],
'Seller_Rating': [],
'Total_Rating': [],
'Total_Review': [],
'Rating_5Star-1Star': [],
'Total_Reviews': ''
}
self.review_dict = {
'Rating': [],
'Review_Title': [],
'Review': [],
'Reviewer_Name': [],
'Reviewer_Location': [],
'Review_Date': [],
'Review_Likes': [],
'Review_Dislikes': [],
}
self.ReviewPage_xpath = '//div[@class="col pPAw9M"]/a'
self.xpath = '//div[@class="DOjaWF gdgoEp col-9-12"]'
self.xpaths_details = config.xpaths_details
self.xpaths_review = config.xpaths_review
self.nextReviewPage_xpath = '//div[@class="_1G0WLw mpIySA"]/nav/a[@class="_9QVEpD"]'
def browse_link(self, link, xpath):
"""Loading the page using chrome driver."""
self.driver.get(link)
try:
WebDriverWait(self.driver, 5).until(
EC.presence_of_element_located((By.XPATH, xpath))
)
except Exception as e:
print(f"Error loading page {link}: {e}")
return
def get_link(self, xpath):
"""This will find href attribute from given xpath. Getting the link from the xpath"""
global next_page_link
try:
WebDriverWait(self.driver, 5).until(EC.presence_of_element_located((By.XPATH, xpath)))
elements = self.driver.find_elements(By.XPATH, xpath)
for element in elements:
next_page_link = element.get_attribute('href')
except Exception as e:
print(e)
def get_elements(self):
"""Getting the text from the xpaths.details.items.
That xpath are to extract the details about the phone."""
print('get element function')
for key, xpath in self.xpaths_details.items():
text = ''
elements = self.driver.find_elements(by='xpath', value=xpath)
for element in elements:
text = element.text
if not isinstance(self.phone_details_dict[key], list):
self.phone_details_dict[key] = []
self.phone_details_dict[key].append(text)
return print('return')
def review_elements(self):
"""Scraping the all the text related to a review.
xpath is used xpath_review in config file.
Creating a dict review_dict."""
for key, xpath in self.xpaths_review.items():
elements = self.driver.find_elements(by='xpath', value=xpath)
if key == 'Reviewer_Location':
element_list = [element.text.split(',')[-1].strip() for element in elements]
else:
element_list = [element.text.replace('\n', '.') for element in elements]
self.review_dict[key].extend(element_list)
DataCleaner.fill_nullValues(self.review_dict)
def page_iteration(self, iteration):
"""Loading new page and collecting reviews.
Define no. of iterations for much more reviews."""
for i in range(iteration):
print(i)
print('in loop ', next_page_link)
self.browse_link(next_page_link, self.xpath)
self.review_elements()
self.get_link(self.nextReviewPage_xpath)
def get_main_review(self):
"""Collecting the details of the phone from given link.
Collects the link to extract review."""
self.browse_link(website, self.xpath)
self.get_elements()
self.get_link(self.ReviewPage_xpath)
@staticmethod
def initialise_details_cleaning(cleaner, string_keys, numeric_keys):
cleaner.clean_string(string_keys)
cleaner.clean_numeric(numeric_keys)
return cleaner.get_transformed_data()
def overall_details_to_csv(self):
"""Creating a csv file from review_dict"""
global file_path, folder_name
print('to csv')
string_keys = ['Phone_Name', 'Warranty', 'Storage', 'Highlights', 'Seller_Name']
numeric_keys = ['Discount_Price', 'Discount', 'Actual_Price', 'Seller_Rating', 'Total_Rating',
'Total_Review']
cleaner = DataCleaner(self.phone_details_dict)
print('cleaner init.. ')
phone_details_dict = self.initialise_details_cleaning(cleaner, string_keys, numeric_keys)
phone_details_df = pd.DataFrame(phone_details_dict)
print('phone\n', phone_details_df)
print('folder name is ', self.phone_details_dict['Phone_Name'][0])
folder_name = self.phone_details_dict['Phone_Name'][0]
#config.phone_list[]
print('loop starts')
for brand, models in phone_list.items():
print(f'{brand = }')
print(f'{models = }')
print('inside config.phone_list')
for model, details in models.items():
if details[0] == website:
phone_list[brand][model][1] = folder_name
print(f' {config.phone_list[brand][model][1] = } ' * 10)
break
parent_path1 = 'Data/Raw Data'
if not os.path.exists(parent_path1,):
os.makedirs(parent_path1, exist_ok=True)
parent_path2 = 'Data/Sentiment Data'
if not os.path.exists(parent_path2):
os.makedirs(parent_path2, exist_ok=True)
file_path = os.path.join(parent_path1, folder_name)
os.makedirs(file_path, exist_ok=True)
file_path2 = os.path.join(parent_path2, folder_name) # for save sentiment file
os.makedirs(file_path2, exist_ok=True)
overall_details_file_path = os.path.join(file_path, 'Overall_Details.csv')
phone_details_df.to_csv(overall_details_file_path, index=False)
return folder_name, overall_details_file_path
def overall_review_to_csv(self):
global file_path
string_keys = ['Review_Title', 'Review', 'Reviewer_Name', 'Reviewer_Location']
numeric_keys = ['Rating', 'Review_Date', 'Review_Likes', 'Review_Dislikes']
cleaner = DataCleaner(self.review_dict)
review_dict = self.initialise_details_cleaning(cleaner, string_keys, numeric_keys)
review_dict_df = pd.DataFrame(review_dict)
print('review ;', review_dict_df.head())
if review_dict_df.columns[0] == 'Rating':
review_dict_df.drop('Rating', axis=1)
overall_review_file = f'{file_path}/Overall_Review.csv'
review_dict_df.to_csv(overall_review_file, index=False)
print(f'csv created successfully...')
return overall_review_file
def collect_data(self):
self.get_main_review()
self.page_iteration(iteration=10)
class FeatureReviewScraper:
def __init__(self, driver, iteration=0):
self.driver = driver
self.iteration = iteration
self.index = 0
self.xpath = '//div[@class="DOjaWF gdgoEp col-9-12"]'
self.next_page_xpath = '//div[@class="_1G0WLw mpIySA"]/nav/a[@class="_9QVEpD"]'
self.feature_pages_list = []
self.xpaths_ratingList = [config.cameraRating, config.batteryRating, config.displayRating,
config.performanceRating]
self.xpaths_reviewList = [config.cameraReview, config.batteryReview, config.displayReview,
config.performanceReview]
self.featureCSV_nameList = ['Camera', 'Battery', 'Display', 'Performance']
self.feature_reviewRatingsDict = {keys: [] for xpaths in self.xpaths_ratingList for keys in xpaths.keys()}
self.feature_reviewDetailsDict = {keys: [] for xpaths in self.xpaths_reviewList for keys in xpaths.keys()}
self.return_csv_list = []
def browse_link(self, link, xpath):
"""Loads the given link"""
try:
self.driver.get(link)
'''WebDriverWait(self.driver, 5).until(
EC.presence_of_element_located((By.XPATH, xpath))
)'''
except Exception as e:
print(f"Error loading page {link}: {e}")
return
def get_link(self, xpath):
"""This will find href attribute from given xpath. Getting the link from the xpath
Returns the link"""
try:
WebDriverWait(self.driver, 5).until(EC.presence_of_element_located((By.XPATH, xpath)))
elements = self.driver.find_elements(By.XPATH, xpath)
return elements
except Exception as e:
print(e)
def get_feature_links(self):
"""Creates a list of links for scraping feature reviews of the phone
(Features : Camera, Battery, Display, Performance).
If statement is used for getting the link to navigate to collect
feature pages from the link.Why because of, if requires only feature reviews from the link.
"""
global next_page_link
review_page_xpath = '//div[@class="col pPAw9M"]/a'
xpath_links = '//div[@class="+uoMff"]//div//a'
if next_page_link is None:
print('if statement ')
self.browse_link(website, self.xpath)
elements = self.get_link(review_page_xpath)
for element in elements:
next_page_link = element.get_attribute('href')
# create a new inner function to execute common codes blocks.
# if, else statements contains common code blocks
self.browse_link(next_page_link, self.xpath)
elements = self.get_link(xpath_links)
self.feature_pages_list = [element.get_attribute('href') for element in elements
if element.get_attribute('href')]
else:
self.browse_link(next_page_link, self.xpath)
elements = self.driver.find_elements(by='xpath', value=xpath_links)
self.feature_pages_list = [element.get_attribute('href') for element in elements if
element.get_attribute('href')]
def simulate_click(self):
parent_div_xpaths = '//div[@class="EKFha- FHnnGl"]'
try:
parent_divs = self.driver.find_elements(by='xpath', value=parent_div_xpaths)
for parent_div in parent_divs:
action = ActionChains(self.driver)
action.move_to_element(parent_div).click().perform()
time.sleep(.2)
except Exception as e:
print('error loading xpath', e)
def feature_review_get_rating_elements(self):
for key, xpaths in self.xpaths_ratingList[self.index].items():
elements = self.driver.find_elements(by='xpath', value=xpaths)
element = [element.text if element else 'null' for element in elements]
self.feature_reviewRatingsDict[key].extend(element)
def feature_review_get_details_elements(self):
place_list = ['Camera_Reviewer_Location', 'Battery_Reviewer_Location', 'Display_Reviewer_Location',
'Performance_Reviewer_Location']
self.simulate_click()
time.sleep(.2)
for key, xpaths in self.xpaths_reviewList[self.index].items():
elements = self.driver.find_elements(by='xpath', value=xpaths)
element_list = []
if key == place_list[self.index]:
element_list = [element.text.split(',')[-1].strip() for element in elements if element.is_displayed()]
else:
iteration = 0
for element in elements:
if element.is_displayed():
try:
element_text = element.text.strip()
if element_text:
element_text = element_text.replace('\n', '.')
element_list.append(element_text)
else:
element_list.append('')
except Exception as e:
print(f'Error accessing text at iteration {iteration}: {e}')
element_list.append('')
else:
element_list.append('')
iteration += 1
self.feature_reviewDetailsDict[key].extend(element_list)
if key == 'Battery_Review_Date':
print(self.feature_reviewDetailsDict[key])
DataCleaner.fill_nullValues(self.feature_reviewDetailsDict)
def feature_get_review_rating(self):
print('index', self.index)
print('Browsing the link: ', self.feature_pages_list[self.index + 1])
# print(self.feature_pages_list)
self.browse_link(self.feature_pages_list[self.index + 1], self.xpath)
time.sleep(.2)
self.feature_review_get_rating_elements()
def feature_get_review_details(self):
print('index', self.index)
print('browsing the link: ', self.feature_pages_list[self.index + 1])
self.browse_link(self.feature_pages_list[self.index + 1], self.xpath)
time.sleep(.2)
self.feature_review_get_details_elements()
def create_feature_review_CSV(self):
global file_path
feature_review_file = None
try:
feature_review_dict = {key: self.feature_reviewDetailsDict[key] for key in
self.xpaths_reviewList[self.index].keys()}
print(feature_review_dict.keys())
key_list = list(feature_review_dict.keys())
print(f'{key_list = }')
# print('review: ', feature_review_dict[key_list[1]])
print(f'{feature_review_dict = }')
cleaner = DataCleaner(feature_review_dict)
cleaner.filter_feature_sentence(key_list[1], self.featureCSV_nameList[self.index])
string_keys = [key for key in key_list[0:4]]
numeric_keys = [key for key in key_list[-3:]]
feature = f'{self.featureCSV_nameList[self.index]}_'
print(f'{numeric_keys = }')
for key in numeric_keys:
print(feature_review_dict[key])
print(f'feature name for cleaning numeric keys {feature = }')
cleaner.clean_string(string_keys)
cleaner.clean_numeric(numeric_keys, feature=feature)
feature_review_dict = cleaner.get_transformed_data()
feature_review_details_dict_df = pd.DataFrame(feature_review_dict)
feature_review_file = f'{file_path}/{self.featureCSV_nameList[self.index]}_Review.csv'
feature_review_details_dict_df.to_csv(feature_review_file, index=False)
print(f'{self.featureCSV_nameList[self.index]}_Review.csv is completed.')
self.index += 1
except Exception as e:
print(f'Failed to create {self.featureCSV_nameList[self.index]}_Review : {str(e)}')
self.index += 1
self.return_csv_list.append(feature_review_file)
return feature_review_file
def create_feature_rating_CSV(self):
# key = ''
feature_rating_file = None
try:
feature_reviewRatingsDict_df = pd.DataFrame({key: self.feature_reviewRatingsDict[key]
for key in self.xpaths_ratingList[self.index].keys()})
feature_rating_file = f'{file_path}/{self.featureCSV_nameList[self.index]}_Rating.csv'
feature_rating_file = feature_reviewRatingsDict_df.to_csv(feature_rating_file, index=True)
print(f'{self.featureCSV_nameList[self.index]}_Rating.csv is completed.')
except Exception as e:
print(f'Failed to create {self.featureCSV_nameList[self.index]}_Rating.csv : {str(e)}')
return feature_rating_file
def page_iteration(self):
global next_page_link
for i in range(self.iteration):
self.browse_link(next_page_link, self.xpath)
self.feature_review_get_details_elements()
elements = self.get_link(self.next_page_xpath)
for element in elements:
next_page_link = element.get_attribute('href')
# self.thread1.join()
# self.create_feature_review_CSV() ---> defined into get_feature_reviews func
def collect_rating_data(self):
# global next_page_link
# print('index in func caller', self.index)
self.feature_reviewRatingsDict = {keys: [] for xpaths in self.xpaths_ratingList
for keys in xpaths.keys()}
self.feature_get_review_rating()
feature_rating_file = self.create_feature_rating_CSV()
return feature_rating_file
def collect_feature_reviews(self, index=0, length=1):
global next_page_link, folder_name
del self.feature_pages_list[4]
self.index = index
thread1_status = False
thread1 = None
feature_review_file_list = []
feature_rating_file_list = []
for i in range(self.index, len(self.feature_pages_list) - length):
self.feature_reviewDetailsDict = {keys: [] for xpaths in self.xpaths_reviewList
for keys in xpaths.keys()}
feature_rating_file_list.append(self.collect_rating_data())
self.feature_get_review_details()
elements = self.get_link(self.next_page_xpath)
for element in elements:
next_page_link = element.get_attribute('href')
self.page_iteration()
feature_review_file = self.create_feature_review_CSV()
feature_review_file_list.append(feature_review_file)
if thread1_status:
thread1.join()
print(f' for analysis {feature_review_file = } and {folder_name = }')
thread1 = threading.Thread(target=predict, args=(feature_review_file, folder_name))
thread1.start()
thread1_status = True
if thread1_status:
thread1.join()
return feature_rating_file_list, feature_review_file_list