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Python Selenium - send_keys not sending any information to element

I am trying out Selenium for the first time so I apologize if there is an obvious mistake or problem with my code.
from selenium import webdriver
driver = webdriver.Chrome()
driver.get('https://youtube.com')
searchBox = driver.find_element_by_id('search')
searchBox.send_keys('Programming')
searchButton = driver.find_element_by_id('search-icon-legacy')
searchButton.click()
So I tried this and it loads the page fine but, it does not input any characters into the searchBox (I quadruple checked that the id was correct - copied it directly from the inspector).
NOTE:
My internet is really REALLY slow and it takes YouTube approx. 20 seconds to fully load, so I thought that was an issue so I tried;
...
driver.get('https://youtube.com')
driver.implicitly_wait(30)
searchBox = driver.find_element_by_id('search')
...
But this did not work either.
I did use XPATH instead of finding it by element ID at the start and that did not work.
I checked and copied the XPATHs and IDs directly from the inspector and nothing so far has inputted anything into the textbox.
What could be the problem? (1)
and does the webdriver wait for the page to load/find the element before doing anything after it being initialized with the driver.get('websiteAddress')? (2)
NOTE: I double checked that I was selecting the right element as well.

To send keys to the input tag with id = search. We use webdriver waits to allow the element to be usable after driver.get so the page loads correctly.
driver.get('https://youtube.com')
WebDriverWait(driver, 30).until(EC.element_to_be_clickable((By.XPATH, "//input[#id='search']"))).send_keys("Programming")
Import
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

If you don't know the waiting time:
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By
delay = 40
WebDriverWait(driver, delay).until(EC.presence_of_element_located((By.XPATH, "//form[#role='form']//input[#id='username']")))
Then it just waits on the element, for as log as delay is, but will continue as soon as the element is found, that the best way to wait on slow connections.

To relate elements more easily you can use ChroPath, it is an extension for google chrome / edge that allows you to see the path of an element, through cssSelector, Abs XPath, Rel XPath and the tag name, so when your code is not working you can try these other ways. Particularly this extension helps me a lot.

Selenium Cannot Locate a Class

So l have a problem with locating class while using selenium, I have tried everything l could indeed to successfully locate the class attribute and perform something with it, such as:
driver.find_element_by_tag_name('div button')
driver.web.find_element_by_class_name('btn-secondary-md save-button ng-binding')
Code Sample:
<button class="btn-secondary-md save-button ng-binding" ng-click="$ctrl.showChangeOwnerModal()" ng-bind="'Label.ChangeOwner' | translate">Change Owner</button>

Try to locate by css selector:
driver.find_element_by_css_selector('button.btn-secondary-md.save-button.ng-binding')
If you still get some error like element not clickable, try using explicit waits on the webelement.

Most probably you are facing issue due to synchronization , you can always use WebDriverWait to avoid synchronization issue.
solution 1 :
wait = WebDriverWait(driver, 10)
wait.until(EC.element_to_be_clickable((By.CLASS_NAME, "btn-secondary-md save-button ng-binding")))
solution 2:
wait = WebDriverWait(driver,30)
element = wait.until(EC.element_to_be_clickable((By.XPATH, "//button[contains(text(),'Change Owner')]")))
Note : Please add below imports to your solution
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
If you still facing issue then please check your element is in iframe, if so then you have to switch control to iframe.

How to click a button on a website by finding its id

When I run the code, the website loads up fine but then it won't click on the button- an error appears saying the element is not interacterble. What do I need to do to click the button? I am relatively new to this and would be grateful for any help.
I have already tried finding it by id and tag.
page = driver.get("https://kenpreston.co.uk/author/")
element = driver.find_element_by_id('mk-button-31')
element.click()
SOLVED:
I used driver.find_element_by_link_text and this worked fine.

I have checked the website and noticed that mk-button-31 is an id for a div tag and inside it there is an a tag. Try getting the url from the a tag and do another driver.get instead of clicking on it.
Also the whole div tag is not clickable so that is why you are getting this error.

Use sleep from time library to be sure page fully loaded
from time import sleep
page = driver.get("https://kenpreston.co.uk/author/")
sleep(2)
element = driver.find_element_by_id('mk-button-31')
element.click()

Looks like your element is not clickable you need to replace this id selector with the css and need to wait for the element before click on it.
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
page = driver.get("https://kenpreston.co.uk/author/")
element = WebDriverWait(driver, 10).until(EC.element_to_be_clickable((By.CSS_SELECTOR, "#mk-button-31 span"))
element.click();

Consider adding Explicit Wait to your script as it might be the case the DOM had finished loading and the button you're looking for is still not there.
The classes you're looking for are:
WebDriverWait
expected_conditions
Suggested code change:
#your other imports here
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions
#your other code here
page = driver.get("https://kenpreston.co.uk/author/")
element = WebDriverWait(driver, 10).until(expected_conditions.element_to_be_clickable((By.ID, "mk-button-31")))
element.click()
More information: How to use Selenium to test web applications using AJAX technology

Finding dynamically named elements on a page using Selenium

I'm trying to locate and click on a section of a web page using Selenium so I can add a comment. I'm having a bit of trouble figuring out how to do this, though.
It seems like the class of the element changes from page-to-page. It also doesn't help that there are multiple similar elements in the document. Here's what I've come up so far:
from selenium import webdriver
from selenium.webdriver.chrome.options import Options
chrome_options = Options()
chrome_options.add_argument("--user-data-dir=/Users/me/Library/Application/Support/Google/Chrome/Default")
chrome_options.add_argument('--profile-directory=Profile 1')
driver = webdriver.Chrome(chrome_options=chrome_options)
driver.get("https://link-i-want-to-visit")
comment_section = driver.find_elements_by_xpath(("//input"))
print comment_section
comment_section.click()
Here's some of the markup from the relevant page:
<input class="sc-iKpIOp igoGaM" placeholder="Add a comment…">
On each different URL on this site, the class name appears to change. How can I circumvent that limitation, click into the input field, and send my comment?
Any guidance would be much appreciated. If it helps, this input field appears to be the last on the page, but I don't know if that's relevant (semantically).

Can't you use absolute xpath not including class?
e.g. /html/body/div/div/div/div/div/div/div/div/div/p[1] is your "I'm trying to..." paragraph on this page.
Also, try //input[placeholder="Add a comment…"]

comment_section = driver.find_elements_by_xpath("//input")
This will return list.So you can't click on list. You should use driver.find_element_by_xpath("//input") to click on the element.
However for a best practice Use WebDriverWait and Wait for the element element_to_be_clickable
and then click.
comment_section=WebDriverWait(driver,30).until(EC.element_to_be_clickable((By.XPATH,"//input[#placeholder='Add a comment…']")))
comment_section.click()
OR
comment_section=WebDriverWait(driver,30).until(EC.element_to_be_clickable((By.XPATH,"//input[contains(#placeholder,'Add a comment')]")))
comment_section.click()
You need to use following imports to execute above code.
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

Python selenium: wait until element is clickable - not working

I will test a web-app. there is a button available in my table to select all entries.
I've tried:
driver.wait.until(ExpectedCondition.element_to_be_clickable((By.XPATH, "myXpath"))).click()
selenium clicks on the button, but nothing happens. (also with send_Keys(Keys.Return)) the application is developed with GXT, I thing that there is much javascript behind the button. Is there is possibility to wait until a eventloader is ready? waiting before a click solves the problem, but not a solution for automated testing.

Correct syntax for explicit wait in python is :
element = WebDriverWait(driver, 20).until(
EC.presence_of_element_located((By.ID, "myElement")))
Better that After above you do :
element.click();
So in your case :
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
element = WebDriverWait(driver, 20).until(
EC.element_to_be_clickable((By.XPATH, "myXpath")))
element.click();
Better you follow it. Also share your whole code so I can correct it. Your just 1 line code doing little confuse.

I had also that problem... Web apps have views over views and Appium sometimes gets wrong.
This worked for me:
x = webElement.location['x'] + (webElement.size['width']/2)
y = webElement.location['y'] + (webElement.size['height']/2)
print("x: "+x+" - y: "+y)
//I have setted a 200 milli duration for the click...
//I use tap just for Android... If is iOS for me it works better touchAction
driver.tap([(x,y)], 200)
Edit:
I misunderstood your question... Sorry...
Maybe modifying your Xpath to:
(don't know if this will work at a web app)
xpath = "//whatever_goes_here[#clickable='true']"

I know it is probably too late, but for me the solution was to add this line before all the elements clicks:
driver.execute_script('document.getElementsByTagName("html")[0].style.scrollBehavior = "auto"')
Nowadays, sites tend to have a scrholl-behavior set to auto. Drivers do not know that, though they do know when an element is outside the view. So, what happens is a driver tries to click the element. The driver sees that the element is outside the view, so it calls a scroll method and after that immediately clicks the element without waiting for scrolling to finish. And the scrolling does take some time because of its behavior set to auto.

from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
wait=WebDriverWait(driver,5)
a= wait.until(EC.element_to_be_clickable(('id or xpath or class or any thing else ','enabled_trigger')))
a.click()
please note you must have two parentheses in element.to_be_clickable(())