python-json-notes

Intro

• JSON - JavaScript Object Notation
• lightweight data format

JSON to python object

• json.load() -> read JSON from file and convert to python object

with open('data.json', 'r') as file:
	data = json.load(file)

• json.loads() -> JSON string to python object

json_string = '{"name":"John", "age":"32"}'
data = json.loads(json_string)

python object to JSON

• json.dump() -> convert object to JSON and write to file

data = '{"name":"John", "age":"32"}'
with open('data.json', 'w') as f:
	json.dump(data, f, indent=4)

• json.dumps() -> convert object to JSON string