Python parse comma seperated nested brackets using Pyparsing

Question

I want to parse a comma separated nested brackets into nested list:

from pyparsing import nestedExpr
str = r'[["http://google.com","Jose Rivas","http://google.com","some_guid"],"a year ago",null,null,4,null,"1003136023",["https://www.yahoo.com","Do it",null,"0ahU_pv"],null,null,"ChZDSUhNMG","0ahUKEwjBr"]'

z = nestedExpr('[', ']').parseString(str).asList()

this is what i get:

why do i get ',' (a single comma) as list item or ,null,null,null, for example? How to fix it?

Why do you use pyparsing and don't use a usual json package to parse this json? — dukkee
– dukkee, Commented Jan 25, 2021 at 20:19
it's a usual json, try my code in answer block... JSON is dicts + lists — dukkee
– dukkee, Commented Jan 25, 2021 at 20:22

dukkee · Accepted Answer · 2021-01-25 20:22:05Z

1

It's a usual JSON, try to parse it with json package:

import json

raw = r'[["http://google.com","Jose Rivas","http://google.com","some_guid"],"a year ago",null,null,4,null,"1003136023",["https://www.yahoo.com","Do it",null,"0ahU_pv"],null,null,"ChZDSUhNMG","0ahUKEwjBr"]'
data = json.loads(raw)

print(data)

answered Jan 25, 2021 at 20:22

dukkee

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