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Tools for working with JSON files.

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Tools for working with json (especially) json-arrays.

Uses ujson if present, otherwise standard json.



pip install sb-json-tools


Allows you to use json.load and json.dump with both json and json-lines files as well as dumping generators.

from sb_json_tools import jt_iter

# This command tries to guess format and opens the file
in = jt_iter.load_from_file("data.json") # or data.jsonl

# Write to file, again guessing format
from sb_json_tools import json_iter, jsonl_iter

# Open and read the file
in = json_iter.load_from_file("data.json")

# Process file

# Write to file

json-val (lib: jt_val)

Allows you to validate iterables of json-objects according to json-schema

Regular and async functions.

json-diff (lib: jt_diff)

Allows you to compare two json-objects and get a report how they differ, if they do.


Command-line tool to validate a json-file with a schema json-schema.


After cloning the repo, just run

$ make test

to setup a virtual environment, install dev dependencies and run the unit tests.

Note: If you run the command in a activated virtual environment, that environment is used instead.

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