open-data-contract-standard
The Pydantic Model of the Open Data Contract Standard
Decision gist · record as of 2026-08-14
Yes, if you need to work with Open Data Contract Standard files in Python. Install friction is low, dependencies are minimal and well-established, and the license is permissive. The aging maintenance status (240 days since last release) is a minor concern but not a blocker—the package is stable and has no known vulnerabilities. Use it when you're building tools that consume or produce ODCS-compliant contracts.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later.
- Low install friction with only two runtime dependencies (pydantic and pyyaml).
- Maintenance status is aging—last release was 240 days ago, though the repository remains active and not archived.
License · maintenance · safety
permissive license (permissive) — Licensed under MIT (permissive), so you can use, modify, and distribute this package freely with minimal restrictions.
last release 2025-12-17 (240 days) · last repo commit 2025-12-17 · 19 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 1,353,825 downloads/mo, #4,009 on PyPI
Alternatives
Verify before relying
pip install open-data-contract-standard
from open_data_contract_standard.model import OpenDataContractStandard
data_contract = OpenDataContractStandard.from_file('path/to/data_contract.yaml')
print(data_contract.to_yaml())- Whether the package is actively maintained or in maintenance-only mode given the 240-day gap since last release
- Real-world adoption beyond the Data Contract CLI (its primary user) and whether community support exists
What it is and what it does
This package provides a Pydantic model for the Open Data Contract Standard, a specification for describing data contracts in YAML. It lets you load data contract YAML files into Python objects and serialize them back to YAML, with version tracking that mirrors the Open Data Contract Standard specification versions (3.0.1, 3.0.2, 3.1.0, etc.). The package was extracted from the Data Contract CLI, which remains its primary consumer.
You use it by importing the OpenDataContractStandard model, then calling from_file() or from_string() to parse a contract, and to_yaml() to serialize it back. It depends on pydantic for validation and pyyaml for YAML handling, and requires Python 3.10 or later.
Use it for
- Load and validate data contract YAML files in a Python application that manages data governance or contracts
- Programmatically construct or modify data contract objects and serialize them back to YAML
- Integrate data contract handling into custom tooling that extends or wraps the Data Contract CLI
- Parse data contracts to extract metadata for documentation, lineage, or compliance tracking systems
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need to work with Open Data Contract Standard files in Python.
Install friction is low, dependencies are minimal and well-established, and the license is permissive. The aging maintenance status (240 days since last release) is a minor concern but not a blocker—the package is stable and has no known vulnerabilities. Use it when you're building tools that consume or produce ODCS-compliant contracts.
Install
open-data-contract-standard on PyPI
Before you install
Low install friction with only two runtime dependencies (pydantic and pyyaml). Maintenance status is aging—last release was 240 days ago, though the repository remains active and not archived.
Requires Python 3.10 or later.
License in practice
Licensed under MIT (permissive), so you can use, modify, and distribute this package freely with minimal restrictions.
Quickstart
pip install open-data-contract-standard
from open_data_contract_standard.model import OpenDataContractStandard
data_contract = OpenDataContractStandard.from_file('path/to/data_contract.yaml')
print(data_contract.to_yaml())Verify before relying
- Whether the package is actively maintained or in maintenance-only mode given the 240-day gap since last release
- Real-world adoption beyond the Data Contract CLI (its primary user) and whether community support exists
Package facts
| License | permissive license permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 2 packagespydanticpyyaml |
| Maintenance | Aging 240 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 1,353,825 / month, #4,009 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | License :: OSI Approved :: MIT LicenseOperating System :: OS IndependentProgramming Language :: Python :: 3 |
Evidence: open_data_contract_standard-3.1.2-py3-none-any.whl
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