You should target the element after has loaded and take arguments[0] and not the entire page via document
html_of_interest=driver.execute_script('return arguments[0].innerHTML',element)
sel_soup=BeautifulSoup(html_of_interest, 'html.parser')
This has 2 practical cases:
1
the element is not yet loaded in the DOM and you need to wait for the element:
browser.get("url")
sleep(experimental) # usually get will finish only after the page is loaded but sometimes there is some JS woo running after on load time
try:
element= WebDriverWait(browser, delay).until(EC.presence_of_element_located((By.ID, 'your_id_of_interest')))
print "element is ready do the thing!"
html_of_interest=driver.execute_script('return arguments[0].innerHTML',element)
sel_soup=BeautifulSoup(html_of_interest, 'html.parser')
except TimeoutException:
print "Somethings wrong!"
2
the element is in a shadow root and you need to expand first the shadow root, probably not your situation but I will mention it here since it is relevant for future reference. ex:
import selenium
from selenium import webdriver
driver = webdriver.Chrome()
from bs4 import BeautifulSoup
def expand_shadow_element(element):
shadow_root = driver.execute_script('return arguments[0].shadowRoot', element)
return shadow_root
driver.get("chrome://settings")
root1 = driver.find_element_by_tag_name('settings-ui')
html_of_interest=driver.execute_script('return arguments[0].innerHTML',root1)
sel_soup=BeautifulSoup(html_of_interest, 'html.parser')
sel_soup# empty root not expande
shadow_root1 = expand_shadow_element(root1)
html_of_interest=driver.execute_script('return arguments[0].innerHTML',shadow_root1)
sel_soup=BeautifulSoup(html_of_interest, 'html.parser')
sel_soup
