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json_util

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Abstract

A module for loading JSON from a local file or remote address. If the JSON that is being loaded is an array, then this module loads it as a stream of values, and if it is a map, the module loads it as a single value.

TraitValue
Module typeutil
ImplementationPython
Parallelismsequential

Procedures

load_from_path(path)

Input:

  • path: string ➡ Path to the JSON that is being loaded.

Output:

  • objects: List[object] ➡ list of JSON objects from the file that is being loaded.

Usage:

CALL json_util.load_from_path(path) 
YIELD objects
RETURN objects;

load_from_url(url)

Input:

  • url: string ➡ URL to the JSON that is being loaded.

Output:

  • objects: List[object] ➡ list of JSON objects from the file that is being loaded.

Usage:

CALL json_util.load_from_url(url) 
YIELD objects
RETURN objects;

Example - Loading JSON from path

For example, let the input path be "load-data/data.json". There we can find data.json:

{
"first_name": "Jessica",
"last_name": "Rabbit",
"pets": [
"dog",
"cat",
"bird"
]
}

Example - Loading JSON from URL

For example, let the input URL be "https://download.memgraph.com/asset/mage/data.json". There we can find data.json:

{
"first_name": "James",
"last_name": "Bond",
"pets": [
"dog",
"cat",
"fish"
]
}