Created
August 7, 2021 16:34
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Python Program to extract Yelp reviewer profile
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from selenium import webdriver | |
from selenium.webdriver.common.proxy import Proxy, ProxyType | |
boston_res_info = pd.read_csv("combined_reviews_info13001.csv", encoding='utf-8-sig') | |
rev_urls = boston_res_info['reviewer_profile'].tolist() | |
delays = [1,2,3] | |
delay = np.random.choice(delays) | |
#keep changing proxy list based on https://sslproxies.org/ | |
def get_review(url): | |
myProxy = ['167.172.123.221','129.21.253.179','159.89.221.73'] | |
proxys = np.random.choice(myProxy) | |
proxy = Proxy({ | |
'proxyType': ProxyType.MANUAL, | |
'httpProxy': proxys, | |
'ftpProxy': proxys, | |
'sslProxy': proxys, | |
}) | |
opts = webdriver.FirefoxOptions() | |
opts.add_argument("--headless") | |
driver = webdriver.Firefox(firefox_options=opts,proxy=proxy,executable_path='C:/Users/user/Downloads/geckodriver.exe') | |
driver.get(url) | |
time.sleep(delay) | |
print(url) | |
page = driver.page_source | |
soup = BeautifulSoup(page, 'lxml') | |
info_scraped = {} | |
final_data = [] | |
# retrieve the total page number | |
try: | |
info_scraped['Name'] = soup.find('h1').text | |
except: | |
print(None) | |
try: | |
info_scraped['Origin'] = soup.find('h3', {'class': 'user-location alternate'}).text | |
except: | |
print(None) | |
time.sleep(delay) | |
# retrieve the number of rating history recorde | |
try: | |
rating_list = soup.find_all('td', {'class': 'histogram_count'}) | |
info_scraped['5_star'] = rating_list[0].text | |
info_scraped['4_star'] = rating_list[1].text | |
info_scraped['3_star'] = rating_list[2].text | |
info_scraped['2_star'] = rating_list[3].text | |
info_scraped['1_star'] = rating_list[4].text | |
except: | |
print(None) | |
final_data.append(info_scraped) | |
df = pd.DataFrame(final_data) | |
df.index += 1 | |
driver.quit() | |
return df | |
iteration_from = 500 | |
iteration_end = 1000 | |
review_data = [] | |
for i in range(iteration_from, iteration_end): | |
print(str(datetime.now()) + ' ' + str(i) + " reviewer out of " + str(len(rev_urls))) | |
item = rev_urls[i] | |
reviewer_info = get_review(item) | |
review_data.append(reviewer_info) | |
review_star = pd.concat(review_data) | |
review_star.to_csv("Rating distribution-13001-"+str(iteration_from)+"-"+str(iteration_end)+".csv", encoding='utf-8-sig') |
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