How to solve find_element_by_class_name() throwing "Unable to find element with class name '...'"?

Question

The webpage (see driver.get() below) seems to have one table with class name as table. I can't seem to locate it using the code below.

I was under the impression that I could locate these type of Javascript elements using Selenium.

import time

from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

driver.quit()
driver = webdriver.PhantomJS()

driver.get('http://investsnips.com/list-of-publicly-traded-micro-cap-diversified-biotechnology-and-pharmaceutical-companies/')


content = driver.find_element_by_css_selector('table.table')
x = driver.find_element_by_class_name("table")

I'm getting this error (content nor x work)

NoSuchElementException: Message: {"errorMessage":"Unable to find element with class name 'table'","request":{"headers":{"Accept":"application/json","Accept-Encoding":"identity","Connection":"close","Content-Length":"94","Content-Type":"application/json;charset=UTF-8","Host":"127.0.0.1:49464","User-Agent":"Python http auth"},"httpVersion":"1.1","method":"POST","post":"{\"using\": \"class name\", \"value\": \"table\", \"sessionId\": \"a988f310-65da-11e7-a655-01f6986e9e41\"}","url":"/element","urlParsed":{"anchor":"","query":"","file":"element","directory":"/","path":"/element","relative":"/element","port":"","host":"","password":"","user":"","userInfo":"","authority":"","protocol":"","source":"/element","queryKey":{},"chunks":["element"]},"urlOriginal":"/session/a988f310-65da-11e7-a655-01f6986e9e41/element"}}
Screenshot: available via screen

Please add the relevant HTML fragment (extraced via the development tools; F12) to your question by editiing. The link is volatile and your question will be useless if the link changes in the future. — try-catch-finally
– try-catch-finally, Commented Jul 13, 2017 at 4:58

Buaban · Accepted Answer · 2017-07-13 04:51:22Z

1

The table in in iframe. You have to switch iframe before finding the table. See code below.

driver = webdriver.PhantomJS()

driver.get('http://investsnips.com/list-of-publicly-traded-micro-cap-diversified-biotechnology-and-pharmaceutical-companies/')

#Find the iframe tradingview_xxxxx and then switch into the iframe
iframeElement = driver.find_element_by_css_selector('iframe[id*="tradingview_"]')
driver.switch_to_frame(iframeElement)
#Wait for the table
waitForPresence = WebDriverWait(driver, 10)
waitForPresence.until(EC.presence_of_element_located((By.CSS_SELECTOR,'table.table'))
theTable = driver.find_element_by_css_selector('table.table')

edited Jul 13, 2017 at 4:51

answered Jul 11, 2017 at 3:15

Buaban

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2 Comments

Moondra Over a year ago

I see. Going to run some tests on you code. Thank you so much =)

Moondra Over a year ago

Hi, Are you importing something for the wait in wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,'table.table')). I don't see any wait variable assignments in your code.

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