Problem scraping javascript site – help needed

Problem

I am trying to scrape the page https://tienda.mercadona.es/categories/112 and I have installed the docker and followed all the required steps given in the post. Splash works well, but the spyder does not and I don’t know why. The IP of the splash_url is correct but I can’t see in the response object when I write scrapy shell “webpage” the complete page, ie, the page has not rendered correctly.

Download a file from a link in Python

I recently got a question and it looked like this : how to download a file from a link in Python?

“I need to go to every link which will open a website and that would have the download file “Export offers to XML”. This link is javascript enabled.”

Let us consider how to get a file from a JS-driven weblink using Python :

JavaScript rendering library for scraping javascript sites

Can you imagine how many scraping instruments are at our service? Though it has a long history, scraping has at last become a multi-lingual and simple approach. Unfortunately, there is a list of non-trivial tasks which can’t be resolved in a snap.

One of these tasks is scraping javascript sites, those that output data using JavaScript. Facing this task, classic scrapers (not all of them though) ignore JS-data and continue their own life-cycle. However, when this little defect becomes a big trouble, developers all over the world take measures. And they did it! Today we consider one of the most awesome tools which scrapes JS-generated data – Splash.

Web scraping with JavaScript

Is it possible to scrape an HTML page with JavaScript from inside of a web browser?

To be perfectly honest I wasn’t sure so I decided to try it out.

Full disclaimer here, I didn’t actually succeed. However, it was a great learning experience for me and I think you guys could benefit from seeing what I did and where I went wrong. Who knows, maybe you can take what I’ve done and figure it out for yourself!