rusty-ssim

A high-performance Rust-built IATA SSIM (Standard Schedules Information Manual) parser that can be used via CLI, Python, or Rust. This tool efficiently parses SSIM files into Polars DataFrames or exports directly to CSV/Parquet formats with streaming support for large files.

RustySSIM PyPI Build RustySSIM Crate Build Release CLI License: MIT Changelog

Features

  • 🚀 Fast Performance: Built in Rust for optimal parsing speed with parallel processing capabilities
  • ⚡ Parallel Processing: Leverages multi-core CPUs to process large SSIM files efficiently
  • 💾 Memory Efficient: Optimize for large SSIM files
  • 📊 Multiple Output Formats: CSV, Parquet, and in-memory DataFrames
  • 🗜️ Flexible Compression: Support for various Parquet compression options (zstd, lz4, snappy, etc.)
  • 🔧 Tooling Options: Both CLI and Python APIs available
  • 📈 Production Ready: Handles files of any size with configurable batch processing

Quick Start

Python (Most Common Use Case)

import rustyssim as rs

# Parse SSIM file to DataFrame
df = rs.parse_ssim_to_dataframe("path/to/schedule.ssim")
print(f"Parsed {len(df)} flight records")

# Split into separate DataFrames by record type
carriers, flights, segments = rs.split_ssim_to_dataframes("schedule.ssim")

# Direct export to optimized formats
rs.parse_ssim_to_csv("schedule.ssim", "output.csv")
rs.parse_ssim_to_parquets("schedule.ssim", "./parquet_files", compression="zstd")

CLI (For Data Processing Pipelines)

# Convert to CSV
ssim csv -s schedule.ssim -o output.csv

# Convert to compressed Parquet files (one per airline)
ssim parquet -s schedule.ssim -o ./output -c zstd -b 50000

Installation

Python

pip install rustyssim

(Build from Source)

# Clone the repository
git clone https://github.com/wcagreen/rusty-ssim.git
cd rusty-ssim

# Install Python package
pip install maturin
maturin develop -m py-rusty-ssim/Cargo.toml

# Build CLI tool
cargo build -p cli-rusty-ssim --release

Requirements:

(Build CLI with Docker)

Download the Dockerfile from the repo, or build one your self.

# Build docker image.
docker build --no-cache -t wcagreen/rusty-ssim:latest .

# To run you can use the following command.
docker run --rm -v "${PWD}:/data" wcagreen/rusty-ssim:latest @args

# You can also just make this a permanent function for powershell, etc...

Documentation

📖 Python API Documentation

Complete reference for all Python functions with examples, parameters, and return values.

💻 CLI Documentation

Comprehensive guide for command-line usage, performance tuning, and integration examples.

Data Structure

The parser handles three types of SSIM records according to IATA standards:

Carrier Records (Type 2)

Contains airline and schedule metadata.

Flight Records (Type 3)

Contains core flight leg information.

Segment Records (Type 4)

Contains flight segment information.

Use Cases

Data Analytics

# Analyze route networks
df = rs.parse_ssim_to_dataframe("schedule.ssim")
routes = df.group_by(['departure_station', 'arrival_station']).count()

# Export for Tableau, Power BI, etc.
rs.parse_ssim_to_csv("schedule.ssim", "analytics_export.csv")

# Split by carrier for airline-specific analysis
carriers, flights, segments = rs.split_ssim_to_dataframes("schedule.ssim")

# Analyze specific airline operations
aa_flights = flights.filter(flights['airline_designator'] == 'AA')
capacity_analysis = aa_flights.group_by('aircraft_type').agg([
    pl.count().alias('flights'),
    pl.col('departure_station').n_unique().alias('origins')
])

Data Engineering Pipelines

# Batch processing in ETL pipelines
ssim parquet -s "./huge_multi_carrier_ssim.dat" -o /data/processed/ -c zstd -b 100000

Development

Running Tests

# Rust tests
cargo test

# Python tests  
pip install pytest
pytest tests/

Contributing

Contributions are welcome! Please feel free to submit issues, feature requests, or pull requests.

Quick Contribution Steps

  1. Fork the repository
  2. Create a feature branch (git checkout -b feature/amazing-feature)
  3. Make your changes with tests
  4. Run the test suite (cargo test && pytest)
  5. Submit a pull request

Community & Support

License

This project is licensed under the MIT License - see the LICENSE file for details.

📋 Project Structure 
rusty-ssim/
├── cli-rusty-ssim/          # CLI application
├── py-rusty-ssim/           # Python bindings  
├── rusty-ssim-core/         # Core Rust library
├── docs/                    # Documentation

Project links

Data verified by PyPI on Aug 23, 2026
Data provided by the project maintainers, verified at the time the release was uploaded to PyPI.

Key dates

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  • Released:
Latest release

1 maintainer

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Avatar for wcagreen from gravatar.com wcagreen

Credits

Author: William Green

GitHub Statistics

Data verified by PyPI on Aug 23, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License expression

MIT
View SPDX License List

Requires

Python >=3.10

Tags

parsing ssim data

Classifiers

Report project as malware

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