pystac-ext-file
File extension for PySTAC
Decision gist · record as of 2026-08-14
Yes. The package is actively maintained, has no vulnerabilities, installs with minimal friction, and is licensed permissively. Install it if you are building or extending STAC catalogs and need to attach standardized file metadata to assets.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later.
- Low friction install with a single runtime dependency (pystac-core).
- Active maintenance with a recent release (4 days old) and no known vulnerabilities.
License · maintenance · safety
Apache-2.0 (permissive) — Apache-2.0 permissive license allows commercial and private use with minimal restrictions; suitable for most projects.
last release 2026-08-10 (4 days) · last repo commit 2026-08-10 · 454 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 3,981,700 downloads/mo, #2,421 on PyPI
Alternatives
Verify before relying
pip install pystac-ext-file
from pystac_ext_file import FileExtension
# Use FileExtension to add file metadata to STAC assets
file_ext = FileExtension.ext(asset, add_if_missing=True)- Whether the package provides direct methods to read/write file checksums or if it only defines the schema structure.
- Whether it handles validation of file metadata against the v2.1.0 specification automatically.
What it is and what it does
pystac-ext-file is a PySTAC extension package that implements the STAC File Info Extension specification (v2.1.0). It allows developers working with STAC catalogs to attach standardized file metadata to assets—including byte order, checksums, header size, and data type information. This is particularly useful when cataloging raster imagery or other file-based data where these properties are important for downstream processing or validation.
The package is a thin wrapper around the extension specification, designed to integrate seamlessly with PySTAC's asset and item models. It targets Python 3.10 and later, depends only on pystac-core, and is actively maintained by the STAC community. It carries no known security vulnerabilities and uses a permissive Apache-2.0 license.
Use it for
- Add standardized file metadata (checksums, byte order) to raster imagery assets in a STAC catalog.
- Validate that file properties conform to the STAC File Info Extension v2.1.0 schema.
- Build STAC-compliant data catalogs where file-level details are required for reproducibility or data integrity checks.
- Extend existing PySTAC items with file metadata without manually managing extension fields.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
The package is actively maintained, has no vulnerabilities, installs with minimal friction, and is licensed permissively. Install it if you are building or extending STAC catalogs and need to attach standardized file metadata to assets.
Install
pystac-ext-file on PyPI
Before you install
Low friction install with a single runtime dependency (pystac-core). Active maintenance with a recent release (4 days old) and no known vulnerabilities.
Requires Python 3.10 or later.
License in practice
Apache-2.0 permissive license allows commercial and private use with minimal restrictions; suitable for most projects.
Quickstart
pip install pystac-ext-file
from pystac_ext_file import FileExtension
# Use FileExtension to add file metadata to STAC assets
file_ext = FileExtension.ext(asset, add_if_missing=True)Verify before relying
- Whether the package provides direct methods to read/write file checksums or if it only defines the schema structure.
- Whether it handles validation of file metadata against the v2.1.0 specification automatically.
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packagepystac-core |
| Maintenance | Actively maintained 4 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 3,981,700 / month, #2,421 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/StableIntended Audience :: DevelopersLicense :: OSI Approved :: Apache Software LicenseNatural Language :: EnglishProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13 |
Evidence: pystac_ext_file-2.1.1-py3-none-any.whl
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See also pystac-ext-raster · pystac-ext-table · pystac-ext-timestamps · pystac-ext-version · pystac-ext-xarray-assets · pystac-ext-render · pystac-ext-storage · pystac-ext-scientific · pystac-ext-datacube · pystac-ext-item-assets