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Step 2: HereвЂ™s how the webdriverвЂ™s install_addon function is implemented for installing install the add-on in Mozilla: Then, open it in a new tab.ДЄlternatively, you can find a dedicated XPI download link by opening the extensionвЂ™s landing page in a different browser than Firefox.ДЇor demonstration, weвЂ™re downloading the following Firefox extensions вЂ“ вЂњ VPN MasterвЂќ and вЂњ Ghostery Privacy Ad Blocker.вЂќ The XPI downloader link for VPN Master is available below the green-colored button (visible in the below image) if opened using Chrome. You can point your cursor to the вЂњADD to Firefox button,вЂќ right-click and copy the XPI link. Step 1: LetвЂ™s download the XPIs of the target Firefox extensions. The install_addon method of the Selenium WebDriver takes two input arguments вЂ“ path to the desired Firefox extension and a Boolean value which indicates whether installation of the extension is temporary (or not). Using install_addon API of Selenium WebDriver to add Firefox extensions using Python

LetвЂ™s look at the various approaches available to leverage Selenium and Firefox extensions for Selenium.

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Now that we have covered the fundamentals of extensions in Firefox, letвЂ™s look at how to add Firefox extensions using Selenium WebDriver and Python. How to add extensions in Firefox using Selenium with Python? HereвЂ™s a short glimpse of the Selenium Python 101 certification from LambdaTest: This certification is for professionals looking to develop advanced, hands-on expertise in Selenium automation testing with Python and take their career to the next level. However, the underlying API is the same for all these browsers, due to which maintenance of extensions is pretty easy. XPIs canвЂ™t be used in Chromium-based browsers. CRX files canвЂ™t be used to install extensions in Mozilla. Mozilla uses XPInstall to read the installation instructions contained in the XPI file, which are later executed for the installation.Д¬hromium-based browsers like Chrome, Opera, and Edge use CRX files as extension installers. XPI add ons can be installed by simply dragging and dropping into any open Firefox browser window. It is used for installing a web browser plugin, addons, extensions, etc. XPI installation files are in use by Firefox, SeaMonkey, and Thunderbird.

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ItвЂ™s the same as zip files and can be accessed using any archive/compression program. XPI is a cross-platform installer module file. Thus, a Firefox extension developer can easily develop and manage cross-browser extensions. New extensions API is compatible with the model used by Opera, Chrome, and other latest browsers. Mozilla deprecated XPCOM and XUL-based add-ons and adapted a new extensions API (i.e., WebExtensions API). In Sept 2015, Mozilla started signing and validating every extension to ensure that the third-party extensions enable Firefox customization without sacrificing security or exposing users vulnerable to malware.

Using pre-loaded Firefox extensions and FirefoxProfile in Selenium with Python.

Using PyTest to add Firefox extension using Selenium with Python.

Utilize install_addon API using Selenium with Python for adding Firefox extensions.

How to add extensions in Firefox using Selenium with Python.

In this part of the Selenium Python tutorial, we deep dive into adding extensions in Firefox using Selenium with Python.

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The catch is that the extensions installed on the Firefox browser present on the local machine will not be available when you fire up a Firefox instance using Gecko Driver and Selenium WebDriver. In fact, testers often need to automate the testing of these extensions itself рџ™‚ Test automation engineers that use test automation can also benefit from browser extensions like normal end-users. Though browsers like Firefox, Chrome, and others are majorly used for web browsing, the fact is that Add Ons (or extensions) in Firefox provide additional power to the web browser! The same rule of thumb is also applicable to other browsers like Chrome, Edge, etc.ДЄdditional add-ons, plugins, extensions are required to extend or customize browser functionalities, boost productivity, and suit specific requirements of users and developers.

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Almost all the modern web browsers have immense capabilities вЂ“ Firefox has inbuilt screenshot capabilities, Opera has a free VPN, and Edge comes with in-built support for displaying ebooks with EPUB extension. Modern browsers are equipped with all sorts of functionalities, i.e., from bookmarks to GPS location tracking, developer tools, and more. For more in-depth resources, check out our content hub on Selenium Python Tutorial. This article is a part of our Content Hub.

Firefox download extension