Web scraping of UK retailer sites

Web scraping of 4 UK grocery retailer sites: Sainsbury's, Morrisons, Waitrose & Ocado - with data provided daily after initial scrape.

Please provide a complete scrape of the Sainsbury's site (20k+ products) as a proof of concept. Once accepted you will be commissioned to do the same for Morrisons, Waitrose, Ocado (and potentially others).

A file showing field to be scraped, column headers and format for return of data is attached.

Note: when gathering category hierarchies for Sainsbury's you may find products duplicated eg a product is in the category "New & trending" as well as in "Drinks", or "Loose Produce" as well as "Make a Salad".