pyyjson

Yet another Json Parser for Python

• based on yyjson bindings from @TkTech's (py_yyjson)
• original c library: yyjson
• benchmarks are based on ultrajson

Installation

1. installation from pypi

    pip install pyyjson

2. installation from source

    git clone https://github.com/ita9naiwa/pyyjson
    cd pyyjson
    pip install .

Supports

it supports standard json lib's

• dumps
• loads
• dump
• load

functions

loads examples

>>> import pyyjson
>>> pyyjson.loads("[1,2,3]")
[1, 2, 3]
>>> pyyjson.loads('[{"a":"b"}, 3, 4]')
[{'a': 'b'}, 3, 4]

dumps example

>>> pyyjson.dumps([{'a': 'b'}, 3, 4])
'[{"a":"b"},3,4]'

load example

load take either string or file object. If string is given, it is assumed that it's a path to json file

>>> import pyyjson
>>> pyyjson.load("simple_json.json") # in "tests/" directory
{'a': 1, 'b': 2, 'c': 3}

dump example

dump take either string or file object. If string is given, it is assumed that it's a path to save the file

>>> import pyyjson
>>> pyyjson.dump({'a': 1, 'b': 2, 'c': 3}, "simple_json.json")

Benchmarks

each elements in cols denotes "calls/sec". Test suite is adapted from ujson's benchmark format.

content		json	ujson	orjson	pyyjson(mine)
Arr of 256 doubles	ENCODE	10119	35361	170829	44925
Arr of 256 dobules	DECODE	28684	54593	170383	155127
Arr of 256 UTF-8 string	ENCODE	5247	7344	45684	8554
Arr of 256 UTF-8 String	DECODE	2838	5223	7248	6424
Arr of 256 strings	ENCODE	36624	59568	216707	87624
Arr of 256 strings	DECODE	66842	66960	100252	98242
Medium complex object	ENCODE	9948	22344	80465	30888
Medium complex object	DECODE	17183	28733	45008	29267