Using a variable in xpath in Python Selenium

The single quotes around the value are not present with how you coded it. Try:

driver.find_element_by_xpath("//option[@value='" + state + "']").click()

To click() on the element with respect to the variable value attribute of the <option> tag using Selenium and python you can use either of the following Locator Strategies:

• Using variable in XPATH:

  state = 'AL-Alabama'
  driver.find_element_by_xpath("//option[@value='" +state+ "']").click()
  

• Using %s in XPATH:

  state = 'AL-Alabama'
  driver.find_element_by_xpath("//option[@value='%s']"% str(state)).click()
  

• Using format() in XPATH:

  state = 'AL-Alabama'
  driver.find_element_by_xpath("//option[@value='{}']".format(str(state))).click()
  

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Best Practices

Ideally. to click() on the element with respect to the variable value attribute of the <option> tag using Selenium] and you need to to induce WebDriverWait for the element_to_be_clickable() and you can use either of the following Locator Strategies:

• Using variable in XPATH:

  state = 'AL-Alabama'
  WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//option[@value='" +state+ "']"))).click()
  

• Using %s in XPATH:

  state = 'AL-Alabama'
  WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//option[@value='%s']"% str(state)))).click()
  

• Using format() in XPATH:

  state = 'AL-Alabama'
  WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//option[@value='{}']".format(str(state))))).click()
  

• Note : You have to add the following imports :

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

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Reference

You can find a couple of relevant discussions in:

• How to find an element with respect to the user input using Selenium and Python?