Not the answer you're looking for? const browser = await chromium.launch() # Slow it down The slowMo option slows down Puppeteer operations by the specified amount of milliseconds. 0 Errors 0 Errors Environment: Go Playground Environment: Go Playground Puppeteer is a Node library that provides a high-level API to control headless Chrome or Chromium. Most things that you can do manually in the browser can be done using Puppeteer! If I don't give the protocol for, am getting an error Error: Protocol error (Page.navigate): Cannot navigate to invalid URL undefined whereas for the above case I am getting about:blank. It is only a demonstration to scrape images from Google. To fix that, you need to install a certifi package in your system. That means the trust certificates in the system are no longer used as defaults by the Python ssl module. You see, Python 3.6 on MacOS comes with its own private copy of OpenSSL. Well, you may close this post and figure it out by yourself or read on and probably I'll save you some time.ġ) requests-html is so cool that it can scrape javascript pages, but to do so, it uses Chromium which is basically Google Chrome.Ģ) To control Chrome via Python requests_html uses Pyppeteer, an unofficial Python port of puppeteer JavaScript Chome automation library.ģ) And now the final step: when you scrape a javascript based web page for the first time, requests-html downloads Chromium for you behind the scenes.Īnd in 99% of cases, you get the error because Pyppeteer can't download Chromium due to lacking SSL certificates in your Python installation.
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