jsonata-rs
Python bindings for the Rust port of jsonata-java.
- PyPI distribution name:
jsonata-rs—pip install jsonata-rs - Import name:
jsonata—import jsonata - Requires Python ≥ 3.11; published as a single
abi3wheel per platform (Linux amd64 + arm64, macOS arm64).
import jsonata
expr = jsonata.Jsonata("Account.Order.Product.(Price * Quantity) ~> $sum()")
expr.evaluate(data) # evaluate against a dict / list / scalar
# variable bindings
jsonata.Jsonata("$x + 1").evaluate(None, {"x": 41}) # -> 42
# one-shot convenience
jsonata.evaluate("a + b", {"a": 2, "b": 3}) # -> 5
# custom functions written in Python
e = jsonata.Jsonata("$greet(name)")
e.register_function("greet", lambda n: f"Hello, {n}!")
e.evaluate({"name": "World"}) # -> "Hello, World!"
Errors raise jsonata.JsonataError with .code (e.g. "S0201") and .position.
An internal engine bug (a caught Rust panic) raises jsonata.JsonataInternalError
— a subclass of JsonataError, so existing handlers still catch it — with
.code == "PANIC" and a .panic_location.
try:
result = jsonata.Jsonata(expr).evaluate(data)
except jsonata.JsonataError as e:
print(e.code, e.position) # e.g. "S0201" 4
Type checking
The package ships PEP 561 type information (a jsonata.pyi stub plus a
py.typed marker), so mypy and pyright type the full public API out of the box —
including JsonataError.code: str, .position: int, and
JsonataInternalError.panic_location: str | None. No stub package to install.
Value mapping
| JSONata | Python |
|---|---|
| number | int (whole) / float |
| string | str |
| boolean | bool |
| null | None |
| undefined | None |
| array | list |
| object | dict |
Building
pip install maturin
maturin build --release -m crates/jsonata-py/Cargo.toml # wheel in target/wheels/
# or for local dev:
maturin develop --release -m crates/jsonata-py/Cargo.toml
CI (.github/workflows/CI.yml) cross-builds wheels for amd64 + arm64 across
Linux (manylinux + musllinux) and macOS with PyO3/maturin-action, and
publishes to PyPI with pypa/gh-action-pypi-publish (Trusted Publishing) on tag
pushes.
1 maintainer
Metadata
1 maintainer
Release files for jsonata-rs 0.1.4
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
|---|---|---|---|---|
| jsonata_rs-0.1.4.tar.gz | 438.3 kB | With provenance | Details for jsonata_rs-0.1.4.tar.gz |
Built distributions (wheels)
| File | Actions Reset | |||
|---|---|---|---|---|
| jsonata_rs-0.1.4-cp311-abi3-musllinux_1_2_x86_64.whl | CPython 3.11 | abi3 | Linux musl 1.2+ x86-64 | Details for jsonata_rs-0.1.4-cp311-abi3-musllinux_1_2_x86_64.whl |
| jsonata_rs-0.1.4-cp311-abi3-musllinux_1_2_aarch64.whl | CPython 3.11 | abi3 | Linux musl 1.2+ ARM64 | Details for jsonata_rs-0.1.4-cp311-abi3-musllinux_1_2_aarch64.whl |
| jsonata_rs-0.1.4-cp311-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl | CPython 3.11 | abi3 | Linux glibc 2.17+ x86-64 | Details for jsonata_rs-0.1.4-cp311-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl |
| jsonata_rs-0.1.4-cp311-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl | CPython 3.11 | abi3 | Linux glibc 2.17+ ARM64 | Details for jsonata_rs-0.1.4-cp311-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl |
| jsonata_rs-0.1.4-cp311-abi3-macosx_11_0_arm64.whl | CPython 3.11 | abi3 | macOS 11.0+ ARM64 | Details for jsonata_rs-0.1.4-cp311-abi3-macosx_11_0_arm64.whl |
Total release size: 8.9 MB
Release files / jsonata_rs-0.1.4.tar.gz
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