chili-pie 0.8.1

Chili Language Runtime, written in Rust.

Chili

A programming language for data analysis and engineering, written in Rust.

Chili uses Polars for data manipulation and Arrow/Parquet for data storage.

Language Syntaxes

Chili provides two language syntaxes:

• chili — a modern syntax similar to JavaScript.
• pepper — a vintage syntax similar to q.

Features

• Polars-powered — full Polars DataFrame support for high-performance data manipulation
• Arrow / Parquet storage — native support for columnar data formats
• Partitioned tables — date-partitioned Parquet storage with partition pruning
• Lazy evaluation — lazy DataFrames with collect for deferred computation
• IPC / TCP — built-in TCP listener for remote connections
• Tick / Sub — publish-subscribe infrastructure for real-time data
• Job scheduler — periodic job execution and memory monitoring
• Cross-platform — Linux, macOS, and Windows

Installation

Via pip (recommended)

pip install chili-pie

From source

cargo build --release --bin chili

Python bindings (chili-sauce)

pip install chili-sauce

Quick Start

Launch the REPL:

# chili syntax (default)
chili

# pepper syntax
chili -P

Evaluate a script:

chili script.chi

Architecture

crates/
├── chili-bin      # CLI binary & REPL
├── chili-core     # Engine state, evaluator, IPC, and built-in functions
├── chili-op       # Data operations (partitioned I/O, scan, eval)
└── chili-parser   # Chumsky-based parser for both syntaxes

Package	Description
chili-pie	Chili runtime distributed as a Python wheel
chili-sauce	Python bindings for EngineState via PyO3

Development

# Build
cargo build --bin chili

# Test
cargo test

# Clippy
cargo clippy --fix --allow-dirty

# Build & install Python runtime wheel
maturin build --release --out dist --manifest-path crates/chili-bin/Cargo.toml

# Build & install Python bindings
maturin develop --release --manifest-path crates/chili-py/Cargo.toml

A Taskfile is provided for common workflows — run task --list to see all available tasks.

References

• Polars — an open-source library for data manipulation
• chumsky — a high-performance parser combinator library
• kola — source code reused for interfacing with q
• Nushell — a new type of shell

Thanks to the authors of these projects and all other open-source projects for their great work.

License

MIT