Python JsonPath

A Python tool that parses JSON documents using JsonPath

Inspired by: https://github.com/json-path/JsonPath

Quick Start

install it using the pip command

pip install pyjsonpath

Then:

>> JsonPath(obj, "$.name").load() ['jsonpath'] >>>">

>>> from pyjsonpath import JsonPath
>>> obj = {"name": "jsonpath"}
>>> JsonPath(obj, "$.name").load()
['jsonpath']
>>>

JsonPath Syntax

General Operators

operators	description
$	The root element to query. This starts all path expressions.
@	The current node being processed by a filter predicate.
*	Wildcard. Available anywhere a name or numeric are required.
..	Deep scan. Available anywhere a name is required.
.	Dot-notated child
[' ' (, ' ')]	Bracket-notated child or children
[ (, )]	Array index or indexes
[start:end]	Array slice operator
[?( )]	Filter expression. Expression must evaluate to a boolean value.

Filter Operators

operators	description
==	left is equal to right (note that 1 is not equal to '1')
!=	left is not equal to right
<	left is less than right
<=	left is less or equal to right
>	left is greater than right
>=	left is greater than or equal to right
=~	left matches regular expression [?(@.name =~ /foo.*?/i)]
in	left exists in right [?(@.size in ['S', 'M'])]
nin	left does not exists in right
subsetof	left is a subset of right [?(@.sizes subsetof ['S', 'M', 'L'])]
anyof	left has an intersection with right [?(@.sizes anyof ['M', 'L'])]
noneof	left has no intersection with right [?(@.sizes noneof ['M', 'L'])]
size	size of left (array or string) should match right
empty	left (array or string) should be empty

Functions

operators	description
min()	Provides the min value of an array of numbers
max()	Provides the max value of an array of numbers
avg()	Provides the average value of an array of numbers
stddev()	Provides the standard deviation value of an array of numbers
length()	Provides the length of an array
sum()	Provides the sum value of an array of numbers
keys()	Provides the property keys (An alternative for terminal tilde ~)

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