stac-validator 3.3.2

Description:

stacvalidator 3.3.2

SpatioTemporal Asset Catalog (STAC) Validator
Documentation
read the docs
Validate STAC json files against the STAC spec.
stac-validator https://raw.githubusercontent.com/radiantearth/stac-spec/master/examples/extended-item.json
[
{
"version": "1.0.0",
"path": "https://raw.githubusercontent.com/radiantearth/stac-spec/master/examples/extended-item.json",
"schema": [
"https://stac-extensions.github.io/eo/v1.0.0/schema.json",
"https://stac-extensions.github.io/projection/v1.0.0/schema.json",
"https://stac-extensions.github.io/scientific/v1.0.0/schema.json",
"https://stac-extensions.github.io/view/v1.0.0/schema.json",
"https://stac-extensions.github.io/remote-data/v1.0.0/schema.json",
"https://schemas.stacspec.org/v1.0.0/item-spec/json-schema/item.json"
],
"valid_stac": true,
"asset_type": "ITEM",
"validation_method": "default"
}
]

Requirements

Python 3.7+

Requests
Click
Pytest
Jsonschema



Note: Stac-validator is also used in stac-check which adds linting messages based on the official STAC best practices document.
https://github.com/stac-utils/stac-check
Install
Installation from PyPi
pip install stac-validator

Installation from Repo
pip install .

or for local development
pip install -e '.[dev]'

The Makefile has convenience commands if Make is installed.
make help

Versions supported



STAC




0.8.0


0.8.1


0.9.0


1.0.0-beta.1


1.0.0-beta.2


1.0.0-rc.1


1.0.0-rc.2


1.0.0-rc.3


1.0.0-rc.4


1.0.0




CLI
Basic Usage
stac-validator --help
Usage: stac-validator [OPTIONS] STAC_FILE

Options:
--core Validate core stac object only without extensions.
--extensions Validate extensions only.
--links Additionally validate links. Only works with
default mode.
--assets Additionally validate assets. Only works with
default mode.
-c, --custom TEXT Validate against a custom schema (local filepath or
remote schema).
-r, --recursive Recursively validate all related stac objects.
-m, --max-depth INTEGER Maximum depth to traverse when recursing. Omit this
argument to get full recursion. Ignored if
`recursive == False`.
--item-collection Validate item collection response. Can be combined
with --pages. Defaults to one page.
-p, --pages INTEGER Maximum number of pages to validate via --item-
collection. Defaults to one page.
-v, --verbose Enables verbose output for recursive mode.
--no_output Do not print output to console.
--log_file TEXT Save full recursive output to log file (local
filepath).
--version Show the version and exit.
--help Show this message and exit.


Deployment
Docker
The validator can run using docker containers.
docker build -t stac-validator .
docker run stac-validator https://raw.githubusercontent.com/stac-extensions/projection/main/examples/item.json
[
{
"version": "1.0.0",
"path": "https://raw.githubusercontent.com/stac-extensions/projection/main/examples/item.json",
"schema": [
"https://stac-extensions.github.io/projection/v1.0.0/schema.json",
"https://schemas.stacspec.org/v1.0.0/item-spec/json-schema/item.json"
],
"valid_stac": true,
"asset_type": "ITEM",
"validation_method": "default"
}
]

AWS (CDK)
An example AWS CDK deployment is available in cdk-deployment
cd cdk-deployment
cdk diff


Python
Remote source
from stac_validator import stac_validator

stac = stac_validator.StacValidate("https://raw.githubusercontent.com/stac-utils/pystac/main/tests/data-files/examples/0.9.0/collection-spec/examples/landsat-collection.json")
stac.run()
print(stac.message)
[
{
"version": "0.9.0",
"path": "https://raw.githubusercontent.com/stac-utils/pystac/main/tests/data-files/examples/0.9.0/collection-spec/examples/landsat-collection.json",
"schema": [
"https://cdn.staclint.com/v0.9.0/collection.json"
],
"valid_stac": true,
"asset_type": "COLLECTION",
"validation_method": "default"
}
]

Local file
from stac_validator import stac_validator

stac = stac_validator.StacValidate("tests/test_data/1beta1/sentinel2.json", extensions=True)
stac.run()
print(stac.message)
[
{
"version": "1.0.0-beta.1",
"path": "tests/test_data/1beta1/sentinel2.json",
"schema": [
"https://cdn.staclint.com/v1.0.0-beta.1/collection.json"
],
"valid_stac": true,
"asset_type": "COLLECTION",
"validation_method": "extensions"
}
]

Dictionary
from stac_validator import stac_validator

stac = stac_validator.StacValidate()
stac.validate_dict(dictionary)
print(stac.message)

Item Collection
from stac_validator import stac_validator

stac = stac_validator.StacValidate()
stac.validate_item_collection_dict(item_collection_dict)
print(stac.message)


Testing
make test
# or
pytest -v

See the tests files for examples on different usages.

Additional Examples
--core
stac-validator https://raw.githubusercontent.com/radiantearth/stac-spec/master/examples/extended-item.json --core
[
{
"version": "1.0.0",
"path": "https://raw.githubusercontent.com/radiantearth/stac-spec/master/examples/extended-item.json",
"schema": [
"https://schemas.stacspec.org/v1.0.0/item-spec/json-schema/item.json"
],
"valid_stac": true,
"asset_type": "ITEM",
"validation_method": "core"
}
]

--custom
stac-validator https://radarstac.s3.amazonaws.com/stac/catalog.json --custom https://cdn.staclint.com/v0.7.0/catalog.json
[
{
"version": "0.7.0",
"path": "https://radarstac.s3.amazonaws.com/stac/catalog.json",
"schema": [
"https://cdn.staclint.com/v0.7.0/catalog.json"
],
"asset_type": "CATALOG",
"validation_method": "custom",
"valid_stac": true
}
]

--extensions
stac-validator https://raw.githubusercontent.com/radiantearth/stac-spec/master/examples/extended-item.json --extensions
[
{
"version": "1.0.0",
"path": "https://raw.githubusercontent.com/radiantearth/stac-spec/master/examples/extended-item.json",
"schema": [
"https://stac-extensions.github.io/eo/v1.0.0/schema.json",
"https://stac-extensions.github.io/projection/v1.0.0/schema.json",
"https://stac-extensions.github.io/scientific/v1.0.0/schema.json",
"https://stac-extensions.github.io/view/v1.0.0/schema.json",
"https://stac-extensions.github.io/remote-data/v1.0.0/schema.json"
],
"valid_stac": true,
"asset_type": "ITEM",
"validation_method": "extensions"
}
]

--recursive
stac-validator https://spot-canada-ortho.s3.amazonaws.com/catalog.json --recursive --max-depth 1 --verbose
[
{
"version": "0.8.1",
"path": "https://canada-spot-ortho.s3.amazonaws.com/canada_spot_orthoimages/canada_spot4_orthoimages/collection.json",
"schema": "https://cdn.staclint.com/v0.8.1/collection.json",
"asset_type": "COLLECTION",
"validation_method": "recursive",
"valid_stac": true
},
{
"version": "0.8.1",
"path": "https://canada-spot-ortho.s3.amazonaws.com/canada_spot_orthoimages/canada_spot5_orthoimages/collection.json",
"schema": "https://cdn.staclint.com/v0.8.1/collection.json",
"asset_type": "COLLECTION",
"validation_method": "recursive",
"valid_stac": true
},
{
"version": "0.8.1",
"path": "https://spot-canada-ortho.s3.amazonaws.com/catalog.json",
"schema": "https://cdn.staclint.com/v0.8.1/catalog.json",
"asset_type": "CATALOG",
"validation_method": "recursive",
"valid_stac": true
}
]

--item-collection
stac-validator https://earth-search.aws.element84.com/v0/collections/sentinel-s2-l2a/items --item-collection --pages 2