Python Selenium Webdriver - Navigating nested frame sets

Question

I'm working on a page with nested frames, and am unable to access a child frame. Brief outline of HTML source:

<html>
    <head></head>
    <frameset id="0">
        <frame name="name">
        <frameset cols="10%,20%" id="01">
            <frame name="mid1">
            <frame name="mid2" scrolling="auto" src="chkclineversion.asp" marginwidth="0" marginheight="0"> 
        </frameset>
        <frame name="bot">
    </frameset>
</html>

I need to access the frame named "mid2". This frame is nested within a frameset which is in turn nested within the main frameset.

I've tried the following codes but they do work

driver.switch_to_frame("mid2") #direct reference to nested frame name

driver.switch_to_frame(1)
driver.switch_to_frame("mid2") #switch to subframe by index and then attempt to reference "mid2". This gives me a no such frame exception1

Am I missing something obvious?

I've checked this link but it does not clarify my question.

Thanks

Richard · Accepted Answer · 2014-03-29 15:45:14Z

4

Try this:

driver.switch_to_frame("name")
driver.switch_to_frame("mid2")

The issue you're running into is that javascript can only work with the current frame it sees. mid2 is in a child frame it cannot see if you're at the top of the document.

answered Mar 29, 2014 at 15:45

Richard

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1 Comment

user3294195 Over a year ago

Thanks. The issue though is that the frame 'name' is not the parent frame of 'mid2'. 'mid2' is part of the sub-frameset with id '01'.

undetected Selenium · Accepted Answer · 2019-06-28 06:44:01Z

The <frame> tag with name as mid2 seems to be nested within 2 additional layers of <frame>.

to access the <frame> with name attribute as mid2 you have to:

Ignore (safely) the presence of parent / child <frameset> tags.
Induce WebDriverWait for the first layer of <frame> to be available and switch to it.
Induce WebDriverWait for the second layer of <frame> to be available and switch to it.
Induce WebDriverWait for the desired <frame> to be available and switch to it.

You can use the following solution:

Code Block:

WebDriverWait(driver, 10).until(EC.frame_to_be_available_and_switch_to_it((By.NAME,"name")))
WebDriverWait(driver, 10).until(EC.frame_to_be_available_and_switch_to_it((By.CSS_SELECTOR,"frame[name='mid1']")))
WebDriverWait(driver, 10).until(EC.frame_to_be_available_and_switch_to_it((By.XPATH,"//frame[@name='mid2' and starts-with(@src, 'chkclineversion')]")))

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

You can find a relevant discussion in How to locate and click on an element which is nested within multiple frame and frameset through Selenium using Webdriver and C#

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