selenium python can't detect id nor name

selenium python can't detect id nor name

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I tried to access a website whit selenium but python cant find the id nor the name. Here is the code:

from selenium import webdriver
from selenium.webdriver.common.keys import Keys

browser = webdriver.Firefox(executable_path='D:\code\geckodriver.exe')
browser.get('http://admin.chhs.edu.my/schooladmin/jw/login.php')
assert "教务系统" in browser.title

def login():
    elem = browser.find_element_by_name('txtUserName')
    elem.send_keys('sportday')
    elem = browser.find_element_by_name('txtPassWord')
    elem.send_keys('xxxxxx')
    elem.send_keys(Keys.RETURN)

def search():
    elem2 = browser.find_element_by_name('txtFind')
    elem2.send_keys('14066')
    elem2.send_keys(Keys.RETURN)

login()
search()

And the html of the website I am accessing:

<form name="search" method="post" action="http://admin.chhs.edu.my/schooladmin/jw/index.php">
  <input name="txtFind" id="txtFind" type="text">
  <input name="button" id="button" value="搜寻" type="submit">
</form>

NOTE the password isn't correct due to some privacy problems.

BTW this thread have been solved, thank you everyone


Replace this code :

def search():
    elem2 = browser.find_element_by_name('txtFind')
    elem2.send_keys('14066')
    elem2.send_keys(Keys.RETURN)

To this :

def search():
    elem2 = WebDriverWait(browser, 10).until(EC.element_to_be_clickable((By.ID, "txtFind")))
    elem2.send_keys('14066')
    elem2.send_keys(Keys.RETURN)  

Note that if ID is given , then there is no need to go for any locator.

2. Getting Started, The above script can be saved into a file (eg:- python_org_search.py ), then it WebDriver will wait until the page has fully loaded (that is, the “onload” event  The easiest way to install Selenium on a Python environment is through the installer pip. pip install selenium. While the installation of Selenium makes the functionality available to you, you need additional drivers for it to be able to interface with a chosen web browser. The download links for the drivers are available here: Chrome, Edge


You've only posted some of the html. One option is that the locators for the login aren't valid. The other option is that the program begins looking for the elements before the page is loaded. In this case the exception would state that the element was not found.

I had a similar issue and what worked for me was to place an explicit wait on the first element I would be searching for in the new page. An explicit wait waits a specified amount of time for a specified condition to be met.

For example: element = WebDriverWait(driver, seconds).until(EC.presence_of_element_located(By.NAME, 'txtuserame'))

Alternatively you can use an implicit wait which ideally causes the driver to wait a specified amount of time if the page hasn't loaded. In my experience it's very dependent on the website and it often doesn't work as intended.

An example of an implicit wait in python would be driver.implicitly_wait(10) Implicit wait relates to the driver rather than the element, and remain in effect for the lifespan of the driver instance.

You can find more info about wait over here and you can find a list of expected conditions that you can use with explicit wait here.

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