For Loops while using selenium for webscraping Python - python

I am attempting to web-scrape info off of the following website: https://www.axial.net/forum/companies/united-states-family-offices/
I am trying to scrape the description for each family office, so "https://www.axial.net/forum/companies/united-states-family-offices/"+insert_company_name" are the pages I need to scrape.
So I wrote the following code to test the program for just one page:
from bs4 import BeautifulSoup as soup
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
driver = webdriver.Chrome('insert_path_here/chromedriver')
driver.get("https://network.axial.net/company/ansaco-llp")
page_source = driver.page_source
soup2 = soup(page_source,"html.parser")
soup2.findAll('axl-teaser-description')[0].text
This works for the single page, as long as the description doesn't have a "show full description" drop down button. I will save that for another question.
I wrote the following loop:
#Note: Lst2 has all the names for the companies. I made sure they match the webpage
lst3=[]
for key in lst2[1:]:
driver.get("https://network.axial.net/company/"+key.lower())
page_source = driver.page_source
for handle in driver.window_handles:
driver.switch_to.window(handle)
word_soup = soup(page_source,"html.parser")
if word_soup.findAll('axl-teaser-description') == []:
lst3.append('null')
else:
c = word_soup.findAll('axl-teaser-description')[0].text
lst3.append(c)
print(lst3)
When I run the loop, all of the values come out as "null", even the ones without "click for full description" buttons.
I edited the loop to instead print out "word_soup", and the page is different then if I had run it without a loop and does not have the description text.
I don't understand why a loop would cause that but apparently it does. Does anyone know how to fix this problem?

Found solution. pause the program for 3 seconds after driver.get:
import time
lst3=[]
for key in lst2[1:]:
driver.get("https://network.axial.net/company/"+key.lower())
time.sleep(3)
page_source = driver.page_source
word_soup = soup(page_source,"html.parser")
if word_soup.findAll('axl-teaser-description') == []:
lst3.append('null')
else:
c = word_soup.findAll('axl-teaser-description')[0].text
lst3.append(c)
print(lst3)

I see that the page uses javascript to generate the text meaning it doesn't show up in the page source, which is weird but ok. I don't quite understand why you're only iterating through and switching to all the instances of Selenium you have open, but you definitely won't find the description in the page source / beautifulsoup.
Honestly, I'd personally look for a better website if you can, otherwise, you'll have to try it with selenium which is inefficient and horrible.

Related

"How to fix 'malformed URL' in Selenium web scraping

My problem is that I am attempting to scrape the titles of Netflix movies and shows from a website that lists them on 146 different pages, so I made a loop to try and capture data from all the pages, however, when using the loop it makes my URL malformed and I don't know how to fix it.
I have made sure the webdriver part of the code works, meaning if I type in the URL to the driver.get it gives me the information I need, however when using the loop it pops up multiple firefox windows and doesnt put any URL into any of the windows. I also added a time delay to try and see if it was changing the URL before it got used but it still didn't work.
from selenium import webdriver
import time
for i in range(1,3):
URL = "https://flixable.com/?min-rating=0&min-year=1920&max-year=2019&order=date&page={}"
newURL = URL.format(i)
print(newURL)
time.sleep(10)
driver = webdriver.Firefox()
driver.get('newURL')
titles = driver.find_elements_by_css_selector('#filterContainer > div > div > p > strong > a')
for post in titles:
print(post.text)

Can't get all titles from a list with Python WebScraping

I'm practicing web scraping with Python atm and I found a problem, I wanted to scrape one website that has a list of anime that I watched before but when I try to scrape it (via requests or selenium) it only gets around 30 of 110 anime names from the page.
Here is my code with selenium:
from selenium import webdriver
from bs4 import BeautifulSoup
browser = webdriver.Firefox()
browser.get("https://anilist.co/user/Agusmaris/animelist/Completed")
data = BeautifulSoup(browser.page_source, 'lxml')
for title in data.find_all(class_="title"):
print(title.getText())
And when I run it, the page source only shows up until an anime called 'Golden time' when there are like 70 or more left that are in the page.
Thanks
Edit: Code that works now thanks to 'supputuri':
from selenium import webdriver
from bs4 import BeautifulSoup
import time
driver = webdriver.Firefox()
driver.get("https://anilist.co/user/Agusmaris/animelist/Completed")
time.sleep(3)
footer = driver.find_element_by_css_selector("div.footer")
preY = 0
print(str(footer))
while footer.rect['y'] != preY:
preY = footer.rect['y']
footer.location_once_scrolled_into_view
print('loading')
html = driver.page_source
soup = BeautifulSoup(html, 'lxml')
for title in soup.find_all(class_="title"):
print(title.getText())
driver.close()
driver.quit()
ret = input()
Here is the solution.
Make sure to add import time
driver.get("https://anilist.co/user/Agusmaris/animelist/Completed")
time.sleep(3)
footer =driver.find_element_by_css_selector("div.footer")
preY =0
while footer.rect['y']!=preY:
preY = footer.rect['y']
footer.location_once_scrolled_into_view
time.sleep(1)
print(str(driver.page_source))
This will iterate until all the anime is loaded and then gets the page source.
Let us know if this was helpful.
So, this is the jist of what I get when I load the page source:
AniListwindow.al_token = 'E1lPa1kzYco5hbdwT3GAMg3OG0rj47Gy5kF0PUmH';Sorry, AniList requires Javascript.Please enable Javascript or http://outdatedbrowser.com>upgrade to a modern web browser.Sorry, AniList requires a modern browser.Please http://outdatedbrowser.com>upgrade to a newer web browser.
Since I know damn well that Javascript is enabled and my Chrome version is fully up to date, and the URL listed takes one to a nonsecure website to "download" a new version of your browser, I think this is a spam site. Not sure if you were aware of that when posting so I won't flag as such, but I wanted you and others who come across this to be aware.

Facing issues while scraping data from a table using python with selenium

I've written a script using python in combination with selenium to parse table from a target page which can be reached out following some steps I've tried to describe below for the clarity. It does reach the destination but at the time of scraping data from that table It throws an error showing in the console "Unable to locate element". I tried with online xpath tester to see if it is wrong but I found that the xpath I've used in my script for "td_data" is right. I suppose, what I'm missing here is beyond my knowledge. Hope there is somebody to take a look into it and provide me with a workaround.
Btw, the site link is given in my script.
Link to see the html contents for the table: "https://www.dropbox.com/s/kaom5qzk78xndqn/Partial%20Html%20content%20for%20the%20table.txt?dl=0"
Steps to reach the target page which my script is able to maintain:
Selecting "I've read and understand above"
Putting this keyword "pump" in the inputbox located right below "Select medical devices".
Selecting the checkbox "Devices found for "pump".
Finally, pressing the search button
Script I've tried with so far:
from selenium import webdriver
import time
driver = webdriver.Chrome()
driver.get('http://apps.tga.gov.au/Prod/devices/daen-entry.aspx')
driver.find_element_by_id('disclaimer-accept').click()
time.sleep(5)
driver.find_element_by_id('medicine-name').send_keys('pump')
time.sleep(8)
driver.find_element_by_id('medicines-header-text').click()
driver.find_element_by_id('submit-button').click()
time.sleep(7)
for item in driver.find_elements_by_xpath('//div[#class="table-responsive"]'):
for tr_data in item.find_elements_by_xpath('.//tr'):
td_data = tr_data.find_element_by_xpath('.//span[#class="hovertext"]//a')
print(td_data.text)
driver.close()
Why don't you just do this:
from selenium import webdriver
import time
driver = webdriver.Chrome()
driver.get('http://apps.tga.gov.au/Prod/devices/daen-entry.aspx')
driver.find_element_by_id('disclaimer-accept').click()
time.sleep(5)
driver.find_element_by_id('medicine-name').send_keys('pump')
time.sleep(8)
driver.find_element_by_id('medicines-header-text').click()
driver.find_element_by_id('submit-button').click()
time.sleep(7)
for item in driver.find_elements_by_xpath(
'//table[#id]/tbody/tr/td[#class]/span[#class]/a[#id]'
):
print(item.text)
driver.close()
Output:
27233
27283
27288
27289
27390
27413
27441
27520
25445
27816
27866
27970
28033
28238
26999
28264
28407
28448
28437
28509
28524
28553
28647
28677
28646
Maybe you want to think about saving the page with driver.page_source, pull out the table, save it as a html file. Then use pandas from html to open the table into a dataframe

Scrape with BeautifulSoup from site that uses AJAX pagination using Python

I'm fairly new to coding and Python so I apologize if this is a silly question. I'd like a script that goes through all 19,000 search results pages and scrapes each page for all of the urls. I've got all of the scrapping working but can't figure out how to deal with the fact that the page uses AJAX to paginate. Usually I'd just make a loop with the url to capture each search result but that's not possible. Here's the page: http://www.heritage.org/research/all-research.aspx?nomobile&categories=report
This is the script I have so far:
with io.open('heritageURLs.txt', 'a', encoding='utf8') as logfile:
page = urllib2.urlopen("http://www.heritage.org/research/all-research.aspx?nomobile&categories=report")
soup = BeautifulSoup(page)
snippet = soup.find_all('a', attrs={'item-title'})
for a in snippet:
logfile.write ("http://www.heritage.org" + a.get('href') + "\n")
print "Done collecting urls"
Obviously, it scrapes the first page of results and nothing more.
And I have looked at a few related questions but none seem to use Python or at least not in a way that I can understand. Thank you in advance for your help.
For the sake of completeness, while you may try accessing the POST request and to find a way round to access to next page, like I suggested in my comment, if an alternative is possible, using Selenium will be quite easy to achieve what you want.
Here is a simple solution using Selenium for your question:
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from time import sleep
# uncomment if using Firefox web browser
driver = webdriver.Firefox()
# uncomment if using Phantomjs
#driver = webdriver.PhantomJS()
url = 'http://www.heritage.org/research/all-research.aspx?nomobile&categories=report'
driver.get(url)
# set initial page count
pages = 1
with open('heritageURLs.txt', 'w') as f:
while True:
try:
# sleep here to allow time for page load
sleep(5)
# grab the Next button if it exists
btn_next = driver.find_element_by_class_name('next')
# find all item-title a href and write to file
links = driver.find_elements_by_class_name('item-title')
print "Page: {} -- {} urls to write...".format(pages, len(links))
for link in links:
f.write(link.get_attribute('href')+'\n')
# Exit if no more Next button is found, ie. last page
if btn_next is None:
print "crawling completed."
exit(-1)
# otherwise click the Next button and repeat crawling the urls
pages += 1
btn_next.send_keys(Keys.RETURN)
# you should specify the exception here
except:
print "Error found, crawling stopped"
exit(-1)
Hope this helps.

Getting all visible text from a webpage using Selenium

I've been googling this all day with out finding the answer, so apologies in advance if this is already answered.
I'm trying to get all visible text from a large number of different websites. The reason is that I want to process the text to eventually categorize the websites.
After a couple of days of research, I decided that Selenium was my best chance. I've found a way to grab all the text, with Selenium, unfortunately the same text is being grabbed multiple times:
from selenium import webdriver
import codecs
filen = codecs.open('outoput.txt', encoding='utf-8', mode='w+')
driver = webdriver.Firefox()
driver.get("http://www.examplepage.com")
allelements = driver.find_elements_by_xpath("//*")
ferdigtxt = []
for i in allelements:
if i.text in ferdigtxt:
pass
else:
ferdigtxt.append(i.text)
filen.writelines(i.text)
filen.close()
driver.quit()
The if condition inside the for loop is an attempt at eliminating the problem of fetching the same text multiple times - it does not however, only work as planned on some webpages. (it also makes the script A LOT slower)
I'm guessing the reason for my problem is that - when asking for the inner text of an element - I also get the inner text of the elements nested inside the element in question.
Is there any way around this? Is there some sort of master element I grab the inner text of? Or a completely different way that would enable me to reach my goal? Any help would be greatly appreciated as I'm out of ideas for this one.
Edit: the reason I used Selenium and not Mechanize and Beautiful Soup is because I wanted JavaScript tendered text
Using lxml, you might try something like this:
import contextlib
import selenium.webdriver as webdriver
import lxml.html as LH
import lxml.html.clean as clean
url="http://www.yahoo.com"
ignore_tags=('script','noscript','style')
with contextlib.closing(webdriver.Firefox()) as browser:
browser.get(url) # Load page
content=browser.page_source
cleaner=clean.Cleaner()
content=cleaner.clean_html(content)
with open('/tmp/source.html','w') as f:
f.write(content.encode('utf-8'))
doc=LH.fromstring(content)
with open('/tmp/result.txt','w') as f:
for elt in doc.iterdescendants():
if elt.tag in ignore_tags: continue
text=elt.text or ''
tail=elt.tail or ''
words=' '.join((text,tail)).strip()
if words:
words=words.encode('utf-8')
f.write(words+'\n')
This seems to get almost all of the text on www.yahoo.com, except for text in images and some text that changes with time (done with javascript and refresh perhaps).
Here's a variation on #unutbu's answer:
#!/usr/bin/env python
import sys
from contextlib import closing
import lxml.html as html # pip install 'lxml>=2.3.1'
from lxml.html.clean import Cleaner
from selenium.webdriver import Firefox # pip install selenium
from werkzeug.contrib.cache import FileSystemCache # pip install werkzeug
cache = FileSystemCache('.cachedir', threshold=100000)
url = sys.argv[1] if len(sys.argv) > 1 else "https://stackoverflow.com/q/7947579"
# get page
page_source = cache.get(url)
if page_source is None:
# use firefox to get page with javascript generated content
with closing(Firefox()) as browser:
browser.get(url)
page_source = browser.page_source
cache.set(url, page_source, timeout=60*60*24*7) # week in seconds
# extract text
root = html.document_fromstring(page_source)
# remove flash, images, <script>,<style>, etc
Cleaner(kill_tags=['noscript'], style=True)(root) # lxml >= 2.3.1
print root.text_content() # extract text
I've separated your task in two:
get page (including elements generated by javascript)
extract text
The code is connected only through the cache. You can fetch pages in one process and extract text in another process or defer to do it later using a different algorithm.

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