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jsondiff

yet another jsondiff utility helpful for data analysis.

unlike other json diff utilities:

  • it's possible to skip the fields that you are not interesting for analysis.
  • one can choose only required fields
  • the jsondiff utility compares numeric values using relative or absolute precision tolerance e.g. 1e-03 or 0.001, which can be set globally or per field.
  • it's possible to use field prefixes or regexes to filter out fields.
  • there's an optional config (see below) when dealing with a large number of fields.
  • jsondiff requires no 3d party modules.

NOTE: there's also an experimental WIP version implemented in C & Cython.

install

git clone git@github.com:vspaz/jsondiff.git
cd jsondiff
python3 setup.py install

config (optional)

{
  "required": [],
  "skipped": [
    "barbaz"
  ],
  "tolerance": {
    "default": 1e-09,
    "fields": {
      "foo": 0.01,
      "baz": 0.1
    }
  }
}
jsondiff -f1 tests/data/file_1.json -f2 tests/data/file_2.json -c tests/data/config.json  # -> {}, as field "barbaz" is skipped in the config.

or

jsondiff -f1 tests/data/file_1.json -f2 tests/data/file_2.json  #  -> {'baz': {'barbaz': [90, 80]}}  # no fields are skipped

run tests

git clone git@github.com:vspaz/jsondiff.git
cd jsondiff
pip install -r requirements/dev.txt
make test