I am trying to do some web scrawling through Selenium. However, when I run the code, it does not show the result.
Here is my code:
import selenium
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.by import By
from bs4 import BeautifulSoup
import time
import pandas as pd
driver = webdriver.Chrome()
url = 'https://vimeo.com/510879223'
driver.get(url)
#head > meta:nth-child(14)
#/html/head/meta[8]
title = driver.find_element(By.CSS_SELECTOR,"head > meta:nth-child(14)")
print (title.text)
description = driver.find_element(By.XPATH,"//meta[#property='og:description']").text
print (description)
Result:
Process finished with exit code 0
In this case, what should I add or delete? Is it happened because the site that I want to scrape does not support xpath scrape option?
If I do print (title), the result is:
<selenium.webdriver.remote.webelement.WebElement (session="6f182a4afb7c1173f1e74f1cd6a40d87", element="e10f1407-3a09-4f3e-96e4-19071cda7d8e")>
Feel like it has a result but I cannot check the result as text. In this case, what is the best way to fix it? Thank you!
In your case I would recommend finding title by Xpath since the css selector you are trying to use is showing me the description tag. Notice that the text you are looking for is not stored as text on the page but rather in the content attribute. Using the .get_attribute() method should help.
title = driver.find_element(By.XPATH,"//meta[#property='og:title']").get_attribute('content')
print (title)
description = driver.find_element(By.XPATH,"//meta[#property='og:description']").get_attribute('content')
print (description)
Hi sometimes errors may occur in xpath copying. There may be inconsistencies with the command you want to take action.You can try using commands.
find_element_by_css_selector
find_element_by_class_name
My example project may help you.
https://github.com/kaayaumutt/instagramBotApp/blob/main/instagramBotApp/instagramBotApp.py
Experts here, I am searching for your help if you don't mind it.
Recently, I am working out a web crawler using scrapy and selenium in python. My mind has crush.
I just want to ask whether it is possible that you still get empty even if you've used the statement
WebDriverWait(driver, 100, 0.1).until(EC.presence_of_all_elements_located((By.XPATH,xxxxx)))
to get those elements. And also, it even doesn't take 100 second to get empty. Why?
And by the way, it is a random thing, which means this phenomenon happens anywhere, anytime.
Does getting empty had something about my network connection?
Could you help me or give me some opinions, suggestion about the question above?
Thanks a lot!
-----------------------supplementary notes-----------------------
Thanks for the heads up.
In summary, I used scrapy and selenium to crawl a site about reviews and write the username, posting time, comment content, etc. to a .xlsx file via pipeline.py, I wanted it to be as fast as possible while gathering complete information.
A page with many people commenting, and because the review text is too long it gets put away, which means that almost 20 comments per page have their expand button.
Therefore, I need to use selenium to click the expand button and then use driver to fetch the complete comment. Common sense dictates that it takes a bit of time to load after the expand button is clicked, and I believe the time it takes depends on the speed of the network. So using WebDriverWait seems to be a wise choice here. After my practice, the default parameters timeout=10 and poll_frequency=0.5 seem to be too slow and error-prone. So I considered using the specifications of timeout=100 and poll_frequency=0.1.
However, the problem is that every time I run the project through the cmd statement scrapy crawl spider, there are always several comment crawls that are empty, and each time the location of the empty is different. I've thought about using time.sleep() to force a stop, but that would take a lot of time if every page did that, and while it's certainly a more useful way to get complete information. Also, it's looks not so elegant and a little bit clumsy in my opinion.
Have I express my question clearly?
-------------------------------add something--------------------------------
The exact meaning of I got somwhere empty is shown as the picture below.
---------------------------add my code--------------------------2022/5/18
import time
import pandas as pd
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
driver = webdriver.Chrome()
driver.get('https://movie.douban.com/subject/5045678/reviews?start=0')
users = [el.text for el in driver.find_elements(By.CSS_SELECTOR, 'a[class=name]')]
dates = [el.text for el in driver.find_elements(By.CSS_SELECTOR, 'span[class=main-meta]')]
full_content, words = [], []
unfolds = WebDriverWait(driver,100,0.1).until(EC.presence_of_all_elements_located((By.XPATH,"//a[#class='unfold']")))
# Here's how I think about and design my loop body.
# I click the expansion bottun, then grab the text, then put it away, then move on to the next one.
for i in range(len(unfolds)):
unfolds[i].click()
time.sleep(1)
# After the javascript, the `div[#class='review-content clearfix']` appear,
# and some of the full review content will be put in a `<p></p>` label
find_full_content_p = WebDriverWait(driver,100,0.1).until(EC.presence_of_all_elements_located((By.XPATH,"//div[#class='review-content clearfix']/p")))
full_content_p = [j.text for j in find_full_content_p]
# and some of them will just put in `div[#class='review-content clearfix']` itself.
find_full_content_div = WebDriverWait(driver,100,0.1).until(EC.presence_of_all_elements_located((By.XPATH,"//div[#class='review-content clearfix']")))
full_content_div = [j.text for j in find_full_content_div]
# and I made a list merge
full_content_p.extend(full_content_div)
full_content.append("".join(full_content_p))
words.append(len("".join(full_content_p)))
time.sleep(1)
# then put it away
WebDriverWait(driver,100,0.1).until(EC.element_to_be_clickable((By.XPATH,"//a[#class='fold']"))).click()
driver.close()
pd.DataFrame({"users":users, "dates":dates, "full_content":full_content, "words":words})
AND, this is the code of an expert I genuinely respect named sound wave.(This is slightly modified, the core code has not been changed)
import time
from selenium import webdriver
from selenium.webdriver.common.by import By
# from selenium.webdriver.chrome.service import Service
driver = webdriver.Chrome()
driver.get('https://movie.douban.com/subject/5045678/reviews?start=0')
users = [el.text for el in driver.find_elements(By.CSS_SELECTOR, 'a[class=name]')]
dates = [el.text for el in driver.find_elements(By.CSS_SELECTOR, 'span[class=main-meta]')]
reviews, words = [], []
for review in driver.find_elements(By.CSS_SELECTOR, 'div.review-short'):
show_more = review.find_elements(By.CSS_SELECTOR, 'a.unfold')
if show_more:
# scroll to the show more button, needed to avoid ElementClickInterceptedException
driver.execute_script('arguments[0].scrollIntoView({block: "center"});', show_more[0])
show_more[0].click()
review = review.find_element(By.XPATH, 'following-sibling::div')
while review.get_attribute('class') == 'hidden':
time.sleep(0.2)
review = review.find_element(By.CSS_SELECTOR, 'div.review-content')
reviews.append(review.text)
words.append(len(review.text))
print('done',len(reviews),end='\r')
pd.DataFrame({"users":users,"dates":dates,"reviews":reviews,"words":words})
NEW
Added code for the site douban. To export the scraped data to a csv see the pandas code in the OLD section below
import time
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.chrome.service import Service
driver = webdriver.Chrome(service=Service('...'))
driver.get('https://movie.douban.com/subject/5045678/reviews?start=0')
users = [el.text for el in driver.find_elements(By.CSS_SELECTOR, 'a[class=name]')]
dates = [el.text for el in driver.find_elements(By.CSS_SELECTOR, 'span[class=main-meta]')]
reviews = []
for review in driver.find_elements(By.CSS_SELECTOR, 'div.review-short'):
show_more = review.find_elements(By.CSS_SELECTOR, 'a.unfold')
if show_more:
# scroll to the show more button, needed to avoid ElementClickInterceptedException
driver.execute_script('arguments[0].scrollIntoView({block: "center"});', show_more[0])
show_more[0].click()
review = review.find_element(By.XPATH, 'following-sibling::div')
while review.get_attribute('class') == 'hidden':
time.sleep(0.2)
review = review.find_element(By.CSS_SELECTOR, 'div.review-content')
reviews.append(review.text)
print('done',len(reviews),end='\r')
OLD
For the website you mentioned (imdb.com) in order to scrape the hidden content there is no need to click on the show more button because the text is already loaded in the HTML code, simply it is not shown on the site. So you can scrape all the comments in a single time. Code below stores users, dates and reviews in seprate lists, and finally save data to a .csv file.
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.chrome.service import Service
driver = webdriver.Chrome(service=Service(chromedriver_path))
driver.get('https://www.imdb.com/title/tt1683526/reviews')
# sets a maximum waiting time for .find_element() and similar commands
driver.implicitly_wait(10)
reviews = [el.get_attribute('innerText') for el in driver.find_elements(By.CSS_SELECTOR, 'div.text')]
users = [el.text for el in driver.find_elements(By.CSS_SELECTOR, 'span.display-name-link')]
dates = [el.text for el in driver.find_elements(By.CSS_SELECTOR, 'span.review-date')]
# store data in a csv file
import pandas as pd
df = pd.DataFrame(list(zip(users,dates,reviews)), columns=['user','date','review'])
df.to_csv(r'C:\Users\your_name\Desktop\data.csv', index=False)
To print a single review you can do something like this
i = 0
print(f'User: {users[i]}\nDate: {dates[i]}\n{reviews[i]}')
the output (truncated) is
User: dschmeding
Date: 26 February 2012
Wow! I was not expecting this movie to be this engaging. Its one of those films...
I am trying to scrape a list of specific movies from IMDB using this tutorial.
The code is working fine expect for the for click to get the URL then saves in content. It is not working. The issue is that nothing change in chrome when running the code I really appreciate if anyone can help.
content = driver.find_element_by_class_name("tF2Cxc").click()
import requests
from bs4 import BeautifulSoup
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
import pandas as pd
from vaderSentiment.vaderSentiment import SentimentIntensityAnalyzer
import time
movie = 'Wolf Totem'
driver = webdriver.Chrome(executable_path=r"D:\chromedriver.exe")
#Go to Google
driver.get("https://www.google.com/")
#Enter the keyword
driver.find_element_by_name("q").send_keys(movie + " imdb")
time.sleep(1)
#Click the google search button
driver.find_element_by_name("btnK").send_keys(Keys.ENTER)
time.sleep(1)
You are using a wrong locator.
To open the a search result on Google page you should use this:
driver.find_element_by_xpath("//div[#class='yuRUbf']/a").click()
This locator will match all the 10 search results, so the first match is the first search result.
Also, clicking on that element will not give you any content, just open the first link below the title of the first search result.
I am trying to scrape a public facebook group using beautifulsoup, I am using the mobile site for the lack of javascript there. So this script supposed to get the link from the 'more' keyword and get the text from p tag there, but it just gets the text from the current page's p tag. Can someone point me the problem? I am new to python and everything in this code.
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.common.exceptions import NoSuchElementException
from bs4 import BeautifulSoup
import requests
browser = webdriver.Firefox()
browser.get('https://mobile.facebook.com/groups/22012931789?refid=27')
for elem in browser.find_elements_by_link_text('More'):
page = requests.get(elem.get_attribute("href"))
soup=BeautifulSoup(page.content,'html.parser')
print(soup.find_all('p')[0].get_text())
It's always useful to see what your script is actually doing, a quick way of doing this is by printing your results at certain steps along the way.
For example, using your code:
for elem in browser.find_elements_by_link_text('More'):
print("elem's href attribute: {}".format(elem.get_attribute("href")))
You'll notice that the first one's blank. We should test for this before trying to get requests to fetch it:
for elem in browser.find_elements_by_link_text('More'):
if elem.get_attribute("href"):
print("Trying to get {}".format(elem.get_attribute("href")))
page = requests.get(elem.get_attribute("href"))
soup=BeautifulSoup(page.content,'html.parser')
print(soup.find_all('p')[0].get_text())
Note that an empty elem.get_attribute("href") returns an empty unicode string, u'' - but pythons considers an empty string to be false, which is why that if works.
Which works fine on my machine. Hope that helps!
I'm just learning python and decided to play with some website scraping.
I created 1 that works, and a second, almost identical as far as I can tell, that doesn't work, and I can't figure out why.
from lxml import html
import requests
page = requests.get('https://thronesdb.com/set/Core')
tree = html.fromstring(page.content)
cards = [tree.xpath('//a[#class = "card-tip"]/text()'),tree.xpath('//td[#data-th = "Faction"]/text()'),
tree.xpath('//td[#data-th = "Cost"]/text()'),tree.xpath('//td[#data-th = "Type"]/text()'),
tree.xpath('//td[#data-th = "STR"]/text()'),tree.xpath('//td[#data-th = "Traits"]/text()'),
tree.xpath('//td[#data-th = "Set"]/text()'),tree.xpath('//a[#class = "card-tip"]/#data-code')]
print(cards)
That one does what I expect (I know it's not pretty). It grabs certain elements from a table on the site.
This one returns [[]]:
from lxml import html
import requests
page = requests.get('http://www.redflagdeals.com/search/#!/q=baby%20monitor')
tree = html.fromstring(page.content)
offers = [tree.xpath('//a[#class = "offer_title"]/text()')]
print(offers)
What I expect it to do is give me a list that has the text from each offer_title element on the page.
The xpath I'm gunning at I grabbed from Firebug, which is:
/html/body/div[1]/div/div/div/section/div[2]/ul[1]/li[2]/div/h3/a
Here's the actual string from the site:
Angelcare Digital Video And Sound Monitor - $89.99 ($90.00 Off)
I have also read a few other questions, but they didn't answer how this could work the first way, but not the second. Can't post them because of the link restrictions on new accounts.
Titles:
Python - Unable to Retrieve Data From Webpage Table Using Beautiful
Soup or lxml xpath
Python lxml xpath no output
Trouble with scraping text from site using lxml / xpath()
Any help would be appreciated. I did some reading on the lxml website about xpath, but I may be missing something in the way I'm building a query.
Thanks!
The reason why the first code is working is that required data is initially present in DOM while on second page required data is generated dynamically by JavaScript, so you cannot scrape it because requests doesn't support handling dynamic content.
You can try to use, for example, Selenium + PhantomJS to get required data as below:
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.ui import WebDriverWait as wait
driver = webdriver.PhantomJS(executable_path='/path/to/phantomJS')
driver.get('http://www.redflagdeals.com/search/#!/q=baby%20monitor')
xpath = '//a[#class = "offer_title"]'
wait(driver, 10).until(EC.element_to_be_clickable((By.XPATH, xpath)))
offers = [link.get_attribute('textContent') for link in driver.find_elements_by_xpath(xpath)]