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Good day all. Could you please help me with a “ElementNotVisibleException” problem?

I am using Selenium to save a webpage. The content of webpage will change once certain checkbox(s) are clicked. What I want is to click a checkbox then save the page content. (The checkboxes are controlled by JavaScript.)

Firstly I used: 

driver.find_element_by_name("keywords_here").click()

it ends with an error:

NoSuchElementException

then I tried “xpath” like, with implicit/explicit waiting:

URL = “the url”

verificationErrors = []
accept_next_alert = True

aaa = driver.get(URL)
driver.maximize_window()
WebDriverWait(driver, 10)

#driver.find_element_by_xpath(".//*[contains(text(), ' keywords_here')]").click()
#Or: 

driver.find_element_by_xpath("//label[contains(text(),' keywords_here')]/../input[@type='checkbox']").click()

it gives an error: 

ElementNotVisibleException

Posts

How to force Selenium to click on element which is not currently visible?

Selenium Element not visible exception

suggest it should make the checkboxes visible before clicking, for example using:

execute_script

The question may sounds stupid, but how can I find out the proper sentence to “execute_script” the visibility of checkbox from the page source code?

Besides that, is there another way?

Thanks.

by the way, the line html code looks like:

<input type="checkbox" onclick="ComponentArt_HandleCheck(this,'p3',11);" name="keywords_here">

its xpath looks like:

//*[@id="TreeView1_item_11"]/tbody/tr/td[3]/input
share|improve this question
up vote 1 down vote accepted

Alternative option would be to make the click() inside execute_script():

# wait for element to become present
wait = WebDriverWait(driver, 10)
checkbox = wait.until(EC.presence_of_element_located((By.NAME, "keywords_here")))

driver.execute_script("arguments[0].click();", checkbox)

where EC is imported as:

from selenium.webdriver.support import expected_conditions as EC

Alternatively and as an another shot in the dark, you can use the element_to_be_clickable Expected Condition and perform the click in a usual way:

wait = WebDriverWait(driver, 10)
checkbox = wait.until(EC.element_to_be_clickable((By.NAME, "keywords_here")))

checkbox.click()
share|improve this answer
    
Sir alecxe, thanks for the help. You are an expert. I’ve read some of you posts. I tried the lines but both of them give “raise TimeoutException(message)” “selenium.common.exceptions.TimeoutException: Message: ''. – Mark K Jul 14 '15 at 4:30
    
@MarkK thank you. But, at the same time driver.find_element_by_xpath("//label[contains(text(),' keywords_here')]/../input[@type='checkbox']") does not produce an error? Have you checked that the xpath you use inside the find_element_by_xpath is the same used inside the "Expected Conditions" I've posted? Thanks. – alecxe Jul 14 '15 at 4:33
    
(sorry there's a mistake - I replaced you posted to what I had but actually I think your lines are to be added after the original lines. ) I added your lines into the originals and the xpaths in them are the same. the driver.find_element_by_xpath("//label[contains(text(),' keywords_here')]/../input[@type='checkbox']") itself gives "NoSuchElementException". – Mark K Jul 14 '15 at 4:50
    
@MarkK okay, thanks. Then this means we have a different problem. We are not locating the element correctly. I've updated the answer and used the By.NAME location technique. Check if we still get the NoSuchElementException. Thanks. – alecxe Jul 14 '15 at 5:13
    
thanks again. Does it mean only using the EC lines, or xpath lines together? (and if both EC and xpath, which goes first?) I tried only the EC By.NAME, it gives "selenium.common.exceptions.TimeoutException: Message: ". by the way, there's keyword "iframe" in the webpage's source code. is (the checkbox is in the iframe) it a concern? thanks. – Mark K Jul 14 '15 at 6:07

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