asdf-standard
The ASDF Standard schemas
Decision gist · record as of 2026-08-14
Yes, if you are building or using tools that work with ASDF data. Install it as a dependency for ASDF-compatible libraries or when you need to validate against official schemas. The low install friction and zero runtime dependencies make it safe to add. Verify the license terms first, as they are not clearly specified in the package metadata.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 no runtime dependencies.
- Actively maintained with recent commits and stable production status.
License · maintenance · safety
(unclear) — License treatment is unclear; the fact sheet does not specify a license. Verify licensing terms before use in proprietary or restricted contexts.
last release 2026-02-05 (190 days) · last repo commit 2026-07-20 · 78 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 301,389 downloads/mo, #7,838 on PyPI
Alternatives
Verify before relying
pip install asdf-standard
import asdf
# Use asdf-standard schemas via asdf library integration- Whether asdf-standard is meant to be imported directly or only used as a dependency by other packages like asdf.
- What specific license applies (license_treatment is marked unclear in the fact sheet).
- Whether this package provides runtime utilities or is purely a schema/specification reference.
What it is and what it does
asdf-standard is a Python package that distributes the specification and core schemas for the Advanced Scientific Data Format (ASDF), a structured format designed for scientific data interchange and storage. It serves as the authoritative schema repository for the ASDF ecosystem, defining the data structures and validation rules that ASDF-compatible tools use to read and write scientific datasets.
The package itself contains no runtime dependencies and is primarily consumed by other packages that implement ASDF support. It is actively maintained, with recent commits and stable production status, making it suitable for projects that need to reference or validate against the official ASDF specification.
Use it for
- Validate scientific data files against official ASDF schemas in astronomy and space science workflows.
- Integrate ASDF schema definitions into custom data processing pipelines for scientific computing.
- Reference the canonical ASDF specification when building tools or libraries that read or write ASDF files.
- Ensure compliance with the ASDF standard in multi-team scientific collaborations.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building or using tools that work with ASDF data.
Install it as a dependency for ASDF-compatible libraries or when you need to validate against official schemas. The low install friction and zero runtime dependencies make it safe to add. Verify the license terms first, as they are not clearly specified in the package metadata.
Install
asdf-standard on PyPI
Before you install
Low install friction with no runtime dependencies. Actively maintained with recent commits and stable production status.
Requires Python 3.10 or later.
License in practice
License treatment is unclear; the fact sheet does not specify a license. Verify licensing terms before use in proprietary or restricted contexts.
Quickstart
pip install asdf-standard
import asdf
# Use asdf-standard schemas via asdf library integrationVerify before relying
- Whether asdf-standard is meant to be imported directly or only used as a dependency by other packages like asdf.
- What specific license applies (license_treatment is marked unclear in the fact sheet).
- Whether this package provides runtime utilities or is purely a schema/specification reference.
Package facts
| License | Not declared unclear |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 190 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 301,389 / month, #7,838 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableProgramming Language :: PythonProgramming Language :: Python :: 3 |
Evidence: asdf_standard-1.5.0-py3-none-any.whl
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See also asdf · asdf-coordinates-schemas · asdf-transform-schemas · asdf-wcs-schemas · asdf-astropy · lsst-daf-butler · openapi-schema-pydantic · pystac-ext-pointcloud · xarray