Python Code To Get JSON From Javascript And Load Into A Dictionary | Web Scraping tutorial
How to parse response.text from Scrapy, (or requests, or Beautiful Soup).
(No regular expressions needed, just split, strip, replace).
If you find that you are trying to scrape comments from a page, and they're inside javascript then you will need a way to get the values/text some other way. CSS or XPATH won't help you.
Here I show how to parse the javascript to pick out the JSON, and then load the JSON into a dictionary. Once the key:values are there, you can work with them very easily.
◉ 1:26 looking for JSON
◉ 2:19 view source
◉ 2:55 found JSON.parse
◉ 4:45 found comments inside JSON
◉ 5:29 print(response.text)
◉ 6:09 x = response.text.split('JSON.parse')[2].replace("\\u0022","\"").lstrip("\(").split(" ")[0].replace("}\");","\"").replace("\"{","\""})
◉ 8:43 json.loads
◉ 12:27 final output
Read about the process of extracting a dict from json from javascript on my redandgreen.co.uk website : https://redandgreen.co.uk/extracting-...
RTFM 📙 :
https://docs.scrapy.org/en/latest/
https://docs.scrapy.org/en/latest/top...
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Thanks for watching.
See you around yeah?
Dr P.
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