python_json library

json library

import json
dir(json)

result:
['JSONDecodeError',
 'JSONDecoder',
 'JSONEncoder',
 '__all__',
 '__author__',
 '__builtins__',
 '__cached__',
 '__doc__',
 '__file__',
 '__loader__',
 '__name__',
 '__package__',
 '__path__',
 '__spec__',
 '__version__',
 '_default_decoder',
 '_default_encoder',
 'codecs',
 'decoder',
 'detect_encoding',
 'dump',
 'dumps',
 'encoder',
 'load',
 'loads',
 'scanner']

Encode into json data

name	Coding result	effect
dump	file stream	Encode python objects into json data
dumps	string	Encode python objects into json data

dump

dump(obj, fp, *, skipkeys=False, ensure_ascii=True, check_circular=True, allow_nan=True, cls=None, indent=None, separators=None, default=None, sort_keys=False, **kw)
    Serialize ``obj`` as a JSON formatted stream to ``fp`` (a
    ``.write()``-supporting file-like object)

obj, conversion object
skipkeys, default is false, when true, dict is not a basic type, str, int, float, bool, none will not cause type errors, but will not skip
ensure_ascii, default is true, output ASCII code, is When true, Chinese
check_circular can be output.

dumps

Decode into python object

name	Operation object	effect
load	file stream	Decode json data into python object
loads	string	Decode json data into python object

Parameter "strict=False", control characters are allowed in strings, the default is True

load

loads

Error message

Errors like this occur, usually because the format is not standard

JSONDecodeError: Expecting ',' delimiter: line 1 column 38 (char 37)

json data formatting

https://www.json.cn/