To capture a screenshot of a page, use the -screenshot flag: chrome -headless -disable-gpu -screenshot Ĭhrome -headless -disable-gpu -screenshot -window-size = 1280,1696 Ĭhrome -headless -disable-gpu -screenshot -window-size = 412,732 The -print-to-pdf flag creates a PDF of the page: chrome -headless -disable-gpu -print-to-pdf # Taking screenshots
The -dump-dom flag prints to stdout: chrome -headless -disable-gpu -dump-dom # Create a PDF There are some useful command line flags to perform common tasks. In some cases, you may not need to programmatically script Headless Chrome. If you're on the stable channel of Chrome and cannot get the Beta, I recommend using chrome-canary: alias chrome = "/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome"Īlias chrome-canary = "/Applications/Google\ Chrome\ Canary.app/Contents/MacOS/Google\ Chrome\ Canary"Īlias chromium = "/Applications/Chromium.app/Contents/MacOS/Chromium"ĭownload Chrome Canary here. Since I'm on Mac, I created convenient aliases for each version of Chrome that I have installed. The exact location will vary from platform to platform. See /737678.Ĭhrome should point to your installation of Chrome. I’m using a brand new 2020 Macbook Air and it has the out of date v2.x installed so go ahead and install the latest 3.Note: Right now, you'll also want to include the -disable-gpu flag if you're running on Windows. If you don’t have Homebrew, go install it. Previously, my testing was done in Selenium IDE, but you really need to automate this for cross-browser testing which is why you’ll need to download and install Selenium on your Mac.Ĭhromedriver Project page and download the latest package or you can use Homebrew. Testing - I thought I’d revisit my old testing tools and so this is an update for 2020 and covers the basics of installing Selenium, Chromedriver with Python on a Mac.
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