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Changelog

Unreleased

Added

  • Add netCDF to pystac.media_type (#1386)
  • Add convenience method for accessing pystac_client (#1365)

Changed

  • Allow object ID as input for getting APILayoutStrategy hrefs and add items, collections, search, conformance, service_desc and service_doc href methods (#1335)
  • Updated classification extension to v2.0.0 (#1359)
  • Update docstring of name argument to Classification.apply and Classification.create to agree with extension specification (#1356)
  • Add example of custom StacIO for Azure Blob Storage to docs (#1372)
  • Noted that collection links can be used in non-item objects in STAC v1.1.0 (#1393)

Fixed

  • Make get_all_collections properly recursive (#1361)
  • Set Item::collection to None when there is no collection (#1400)

Removed

v1.10.1 - 2024-05-03

Fixed

  • Don't transform hrefs in Item.__getstate__ (#1337)

v1.10.0 - 2024-03-28

Added

  • Add validator input to STACObject.validate for inline reference of the validator to use (#1320)
  • Add APILayoutStrategy (#1294)
  • Allow setting a default layout strategy for Catalog (#1295)

Changed

  • Update css for HTML display (#1311)
  • Made item pickles smaller by changing how nested links are stored(#1285)
  • Updated documentation code examples that use AWS S3 for file storage (#1308)

Fixed

  • No longer use the datetime.utcnow method that has been deprecated in Python 3.12 (#1283)

v1.9.0 - 2023-10-23

Added

  • Simpler extension interface (#1243)
  • More permissive schema_uri matching to allow future versions of extension schemas (#1231)
  • Better error messages from jsonschema validation (#1233)
  • validate_all_dict replaces the previous implementation of validate_all (i.e., validate_all was renamed to validate_all_dict, and validate_all was changed as described below) (#1246)
  • Python 3.12 (#1260)

Changed

  • validate_all now accepts a STACObject (in addition to accepting a dict, which is now deprecated), but prohibits supplying a value for href, which must be supplied only when supplying an object as a dict. Once validate_all removes support for an object as a dict, the href parameter will also be removed. (#1246)
  • Report href when schema url resolution fails (#1263)
  • Version extension updated to v1.2.0 (#1262)
  • Datacube extension updated to v2.2.0 (#1269)

Fixed

  • Typing of href arguments (#1234)
  • Interactions between pytest-recording and the validator schema cache (#1242)
  • Call registry when instantiating Draft7Validator (#1240)
  • Migration for the classification, datacube, table, and timestamps extensions (#1258)
  • Handling of bboxes and intervals arguments to SpatialExtent and TemporalExtent, respectively (#1268)

Removed

  • Python 3.8 support (#1236)

Deprecated

  • ExtensionManagementMixin.validate_has_extension is replaced with ExtensionManagementMixin.ensure_has_extension. Calling ExtensionManagementMixin.validate_has_extension will raise a DeprecationWarning and call ExtensionManagementMixin.ensure_has_extension (#1248)
  • validate_all for dicts; use validate_all_dict instead (#1246)
  • Label extension (#1270)

v1.8.4 - 2023-09-22

Added

  • Permissive deserialization of Collection temporal extents (#1222)

Fixed

  • Update usage of jsonschema (#1215)

Deprecated

  • pystac.validation.local_validator.LocalValidator (#1215)

v1.8.3 - 2023-07-12

Added

  • Allow to pass a Dict with field names and summary strategies to the fields parameter in the Summarizer constructor (#1195)

Changed

  • Pin jsonschema version to <4.18 until regresssions are fixed

Fixed

  • Fix the documentation rendering of the fields parameter in the Summarizer constructor (#1195)

v1.8.2 - 2023-07-12

Fixed

  • Explicitly re-export HREF from link (#1182)
  • Include fields-normalized.json in build (#1188)

v1.8.1 - 2023-06-30

Fixed

  • Include jsonschemas in package (#1181)

v1.8.0 - 2023-06-27

Added

  • sort_links_by_id to Catalog get_child() and modify_links to get_stac_objects() (#1064)
  • *ids to Catalog and Collection get_items() for only including the provided ids in the iterator (#1075)
  • recursive to Catalog and Collection get_items() to walk the sub-catalogs and sub-collections (#1075)
  • MGRS Extension (#1088)
  • All HTTP requests are logged when level is set to logging.DEBUG (#1096)
  • set_parent to Catalog add_item and add_child to avoid overriding existing parents (#1117, #1155)
  • owner attribute to AssetDefinition in the item-assets extension (#1110)
  • Windows \\ path delimiters are converted to POSIX style / delimiters (#1125)
  • Updated raster extension to work with the item_assets extension's AssetDefinition objects (#1110)
  • Classification extension (#1093), with support for adding classification information to item_assets' AssetDefinitions and raster's RasterBand objects.
  • get_derived_from, add_derived_from and remove_derived_from to Items (#1136)
  • ItemEOExtension.get_assets for getting assets filtered on band name or common_name (#1140)
  • max_items and recursive to Catalog.validate_all (#1141)
  • KML as a built in media type (#1127)
  • move/copy/delete operations for local Assets (#1158)
  • Latest core STAC spec jsonshemas are included in pytstac and used for validation (#1165)
  • Xarray Assets Extension class (#1161)

Changed

  • Include a copy of the fields.json file (for summaries) with each distribution of PySTAC (#1045)
  • Make Catalog, Collection .get_assets() return a deepcopy (#1087)
  • Removed documentation references to to_dict methods returning JSON (#1074)
  • Expand support for previous extension schema URIs (#1091)
  • Use pyproject.toml instead of setup.py (#1100)
  • DefaultStacIO now raises an error if it tries to write to a non-local url (#1107)
  • Allow instantiation of pystac objects even with "stac_extensions": null (#1109)
  • Make Link.to_dict() only contain strings (#1114)
  • Updated raster extension to work with the item_assets extension's AssetDefinition objects (#1110)
  • Return all validation errors from validation methods of JsonSchemaSTACValidator (#1120)
  • EO extension updated to v1.1.0 (#1131)
  • Use id in STACTypeError instead of entire dict (#1126)
  • Make sure that get_items is backwards compatible (#1139)
  • Make _repr_html_ look like _repr_json_ output (#1142)
  • Improved error message when .ext is called on a Collection (#1157)
  • add_child and add_item return a Link object instead of None (#1160)
  • add_children and add_items return a list of Link objects instead of None (#1160)
  • Include collection assets in make_all_asset_hrefs_relative/absolute (#1168)
  • Use cassettes for all tests that pull files from remote (#1162)
  • Landsat tutorial notebook updated to collection 2 sources (#1152)

Fixed

  • Include the item's root when resolving its collection link (#1171)

Deprecated

  • pystac.summaries.FIELDS_JSON_URL (#1045)
  • Catalog get_item(). Use get_items(id) instead (#1075)
  • Catalog and Collection get_all_items. Use get_items(recursive=True) instead (#1075)

v1.7.3

Fixed

  • Duplicate self links in Items (#1103)

v1.7.2

Fixed

  • Projection extension v1.0.0 support (#1081)

v1.7.1

Changed

  • Use ruff instead of isort and flake8 (#1034)
  • Update links in doc notebooks to not point to specific versions (#1039)

Fixed

  • Item __geo_interface__ now correctly returns a Feature, rather than only the Geometry (#1049)

v1.7.0

Added

  • Additional util methods now_in_utc and now_to_rfc3339_str (#760)
  • media_type and role filtering to Item and Collection get_assets() method (#936)
  • Asset.has_role (#936)
  • Enum MediaType entry for flatgeobuf (discussion) (#938)
  • Custom header support to DefaultStacIO (#889)
  • Python 3.11 checks in CI (#908)
  • Ability to only update resolved links when using Catalog.normalize_hrefs and Catalog.normalize_and_save, via a new skip_unresolved argument (#900)
  • Optional argument timespec to utils.datetime_to_str (#929)
  • isort (#961)
  • AsIsLayoutStrategy (#919)
  • __geo_interface__ for items (#885)
  • Optional strategy parameter to catalog.add_items() (#967)
  • start_datetime and end_datetime arguments to the Item constructor (#918)
  • RetryStacIO (#986)
  • STACObject.remove_hierarchical_links and Link.is_hierarchical (#999)
  • extra_fields to AssetDefinition in the item assets extension (#1003)
  • Catalog.fully_resolve (#1001)
  • A DeprecatedWarning when deserializing an Item or Collection to a STAC object via the from_dict() method (1006)
  • Support for relative stac extension paths via make_absolute_href (#884)

Changed

  • Projection extension updated to use v1.1.0 (#989).
  • Update Grid Extension support to v1.1.0 and fix issue with grid:code prefix validation (#925)
  • Switch to pytest (#939)
  • Use from __future__ import annotations for type signatures (#962)
  • Use TypeVar for alternate constructors (#983)
  • Behavior when required fields are missing in Item.from_dict (#994)
  • By default, ItemCollection now clones items in iterator (clone_items=True) (#1016)

Deprecated

  • TemplateError in layout.py deprecated in favor of duplicate in errors.py (#1018)

Fixed

  • Creating dictionaries from Catalogs and Collections without root hrefs now creates valid STAC (#896)
  • Dependency resolution when installing requirements-dev.txt (#897)
  • Serializing optional Collection attributes (#916)
  • A couple non-running tests (#912)
  • Filtering on media_type in get_links() and get_single_link() (#966)
  • Missing hrefs and duplicate Item fields in html generated by _repr_html_() (#975)
  • Allow subclasses in a few more clone methods (#983)
  • Pass href from Item.from_dict to constructor (#984)
  • Serializing the table extension (#992)

v1.6.1

Fixed

  • Pins jsonschema to >=4.0.1 to avoid a RefResolutionError when validating some extensions (#857)
  • Fixed bug in custom StacIO example in documentation (#879)

v1.6.0

Removed

  • Support for Python 3.7 (#853)

v1.5.0

Added

  • Enum MediaType entry for PDF documents (#758)
  • Enum MediaType entry for HTML documents (#816)
  • Updated Link to obtain stac_io from owner root (#762)
  • Replace test.com with special-use domain name. (#769)
  • Updated AssetDefinition to have create, apply methods (#768)
  • Add Grid Extension support (#799)
  • Rich HTML representations for Jupyter Notebook display (#743)
  • Add assets argument to Item and Collection init methods to allow adding Assets during object initialization (#834)

Changed

  • Updated Raster Extension from v1.0.0 to v1.1.0 (#809)

Fixed

  • Mutating Asset.extra_fields on a cloned Asset also mutated the original asset (#826)
  • "How to create STAC catalogs" tutorial (#775)
  • Add a variables argument, to accompany dimensions, for the apply method of stac objects extended with datacube (#782)
  • Deepcopy collection properties on clone. Implement clone method for Summaries (#794)
  • Collection assets are now preserved when using Collection.clone (#834)
  • Docstrings for StacIO.read_text and StacIO.write_text now match the type annotations for the source argument. (#835)
  • UTC timestamps now always have tzutc timezone even when system timezone is set to UTC. (#848)

v1.4.0

Added

  • Experimental support for Python 3.11 (#731)
  • Accept PathLike objects in StacIO I/O methods, pystac.read_file and pystac.write_file (#728)
  • Support for Storage Extension (#745)
  • Optional StacIO instance as argument to Catalog.save/Catalog.normalize_and_save (#751)
  • More thorough docstrings for pystac.utils functions and classes (#735)

Changed

  • Label Extension version updated to v1.0.1 (#726)
  • Option to filter by media_type in STACObject.get_links and STACObject.get_single_link (#704)

Fixed

  • Self links no longer included in Items for "relative published" catalogs (#725)
  • Adding New and Custom Extensions tutorial now up-to-date with new extensions API (#724)
  • Clarify error message when using PropertyExtension.ext(..., add_if_missing=True) on an Asset with no owner (#746)
  • Type errors when initializing TemporalExtent using a list of datetime objects (#744)

v1.3.0

Added

  • Type annotations for instance attributes on all classes (#705)
  • extensions.datacube.Variable.to_dict method (#699])
  • Clarification of possible errors when using .ext to extend an object (#701)
  • Downloadable documentation as zipped HTML (#715)

Removed

  • Downloadable documentation in ePub format (#715)

Changed

  • Reorganize docs and switch to PyData theme (#687)

Fixed

  • Quickstart tutorial is now up-to-date with all package changes (#674)
  • Creating absolute URLs from absolute URLs (#697])
  • Serialization error when using pystac.extensions.file.MappingObject (#700)
  • Use PropertiesExtension._get_property to properly set return type in TableExtension (#712)
  • DatacubeExtension.variables now has a setter (#699])
  • Landsat STAC tutorial is now up-to-date with all package changes (#692)
  • Paths to sub-catalog files when using Catalog.save (#714)
  • Link to PySTAC Introduction tutorial in tutorials index page (#719)

v1.2.0

Added

  • Added Table-extension (#646)
  • Stable support for Python 3.10 (#656)
  • .python-version files are now ignored by Git (#647)
  • Added a flag to allow users to skip transforming hierarchical link HREFs based on root catalog type (#663)

Removed

  • Exclude tests from package distribution. This should make the package lighter (#604)

Changed

  • Enable strict mode for mypy (#591)
  • Links will get their title from their target if no title is provided (#607)
  • Relax typing on LabelClasses from List to Sequence (#627)
  • Upgraded datacube-extension to version 2.0.0 (#645)
  • By default, ItemCollections will not modify Item HREFs based on root catalog type to avoid performance costs of root link reads (#663)

Fixed

  • generate_subcatalogs can include multiple template values in a single subfolder layer (#595)
  • Avoid implicit re-exports (#591)
  • Fix issue that caused incorrect root links when constructing multi-leveled catalogs (#658)
  • Regression where string Enum values were not serialized properly in methods like Link.to_dict (#654)

v1.1.0

Added

  • Include type information during packaging for use with e.g. mypy (#579)
  • Optional dest_href argument to Catalog.save to allow saving Catalog instances to locations other than their self href (#565)

Changed

v1.0.1

Changed

  • HREFs in Link objects with rel == "self" are converted to absolute HREFs (#574)

v1.0.0

Added

  • ProjectionExtension.crs_string to provide a single string to describe the coordinate reference system (CRS). Useful because projections can be defined by EPSG code, WKT, or projjson. (#548)
  • SAR Extension summaries(#556)
  • Migration for sar:type -> sar:product_type and sar:polarization -> sar:polarizations for pre-0.9 catalogs (#556)
  • Migration from eo:epsg -> proj:epsg for pre-0.9 catalogs (#557)
  • Collection summaries for Point Cloud Extension (#558)
  • PhenomenologyType enum for recommended values of pc:type & SchemaType enum for valid values of type in Point Cloud Schema Objects (#548)
  • to_dict and equality definition for extensions.item_asset.AssetDefinition (#564)
  • Asset.common_metadata property (#563)

Changed

  • The from_dict method on STACObjects will set the object's root link when a root parameter is present. An ItemCollection from_dict with a root parameter will set the root on each of it's Items. (#549)
  • Calling ExtensionManagementMixin.validate_has_extension with add_if_missing = True on an ownerless Asset will raise a STACError (#554)
  • PointcloudSchema -> Schema, PointcloudStatistic -> Statistic for consistency with naming convention in other extensions (#548)
  • RequiredPropertyMissing always raised when trying to get a required property that is None (STACError or KeyError was previously being raised in some cases) (#561)

Fixed

  • Added Collections as a type that can be extended for extensions whose fields can appear in collection summaries (#547)
  • Allow resolved self links when getting an object's self href (#555)
  • Fixed type annotation on SummariesLabelExtension.label_properties setter (#562)
  • Allow comparable types with alternate parameter naming of lt method to pass structural type linting for RangeSummary (#562)

v1.0.0-rc.3

Added

  • (Experimental) support for Python 3.10 (#473)
  • LabelTask enum in pystac.extensions.label with recommended values for "label:tasks" field (#484)
  • LabelMethod enum in pystac.extensions.label with recommended values for "label:methods" field (#484)
  • Label Extension summaries (#484)
  • Timestamps Extension summaries (#513)
  • Define equality and __repr__ of RangeSummary instances based on to_dict representation (#513)
  • Sat Extension summaries (#509)
  • Catalog.get_collections for getting all child Collections for a catalog, and Catalog.get_all_collections for recursively getting all child Collections for a catalog and its children (#511)

Changed

  • Renamed Asset.properties -> Asset.extra_fields and Link.properties -> Link.extra_fields for consistency with other STAC objects (#510)

Fixed

  • Bug in pystac.serialization.identify_stac_object_type where invalid objects with stac_version == 1.0.0 were incorrectly identified as Catalogs (#487)
  • Link constructor classes (e.g. Link.from_dict, Link.canonical, etc.) now return the calling class instead of always returning the Link class (#512)
  • Sat extension now includes all fields defined in v1.0.0 (#509)

Removed

  • STAC_IO class in favor of StacIO. This was deprecated in v1.0.0-beta.1 and has been removed in this release. (#490)
  • Support for Python 3.6 (#500)

v1.0.0-rc.2

Added

  • Add a preserve_dict parameter to ItemCollection.from_dict and set it to False when using ItemCollection.from_file. (#468)
  • StacIO.json_dumps and StacIO.json_loads methods for JSON serialization/deserialization. These were "private" methods, but are now "public" and documented (#471)

Changed

  • pystac.stac_io.DuplicateObjectKeyError moved to pystac.DuplicateObjectKeyError (#471)

v1.0.0-rc.1

Added

  • License file included in distribution (#409)
  • Links to Issues, Discussions, and documentation sites (#409)
  • Python minimum version set to >=3.6 (#409)
  • Code of Conduct (#399)
  • ItemCollection class for working with GeoJSON FeatureCollections containing only STAC Items (#430)
  • Support for Python 3.9 (#420)
  • Migration for pre-1.0.0-rc.1 Stats Objects (renamed to Range Objects in 1.0.0-rc.3) (#447)
  • Attempting to extend a STACObject that does not contain the extension's schema URI in stac_extensions raises new ExtensionNotImplementedError (#450)
  • STACObject.from_dict now takes a preserve_dict parameter, which if False will avoid a call to deepcopy on the passed in dict and can result in performance gains (defaults to True. Reading from a file will use preserve_dict=False resulting in better performance. (#454)

Changed

  • Package author to stac-utils, email to [email protected], url to this repo (#409)
  • StacIO.read_json passes arbitrary positional and keyword arguments to StacIO.read_text (#433)
  • FileExtension updated to work with File Info Extension v2.0.0 (#442)
  • FileExtension only operates on pystac.Asset instances (#442)
  • *Extension.ext methods now have an optional add_if_missing argument, which will add the extension schema URI to the object's stac_extensions list if it is not present (#450)
  • from_file and from_dict methods on STACObject sub-classes always return instance of calling class (#451)

Fixed

  • EOExtension.get_bands returns None for asset without EO bands (#406)
  • identify_stac_object_type returns None and identify_stac_object raises STACTypeError for non-STAC objects (#402)
  • ExtensionManagementMixin.add_to is now idempotent (only adds schema URI to stac_extensions once per Item regardless of the number of calls) (#419)
  • Version check for when extensions changed from short links to schema URIs (#455)
  • Schema URI base for STAC 1.0.0-beta.1 (#455)

v1.0.0-beta.3

Added

  • Summaries for View Geometry, Projection, and Scientific extensions (#372)
  • Raster extension support (#364)
  • solar_illumination field in eo extension (#356)
  • Added Link.canonical static method for creating links with "canonical" rel type (#351)
  • Added RelType enum containing common rel values (#351)
  • Added support for summaries (#264)

Fixed

  • Links to STAC Spec point to latest supported version (#368)
  • Links to STAC Extension pages point to repos in stac-extensions GitHub org (#368)
  • Collection assets (#373)

Removed

  • Two v0.6.0 examples from the test suite (#373)

v1.0.0-beta.2

Changed

  • Split DefaultStacIO's reading and writing into two methods to allow subclasses to use the default link resolution behavior (#354)
  • Increased test coverage for the pointcloud extension (#352)

Fixed

  • Reading json without orjson (#348)

Removed

  • Removed type information from docstrings, since it is redundant with function type annotations (#342)

v1.0.0-beta.1

Added

  • Added type annotations across the library (#309)
  • Added assets to collections (#309)
  • item_assets extension (#309)
  • datacube extension (#309)
  • Added specific errors: ExtensionAlreadyExistsError, ExtensionTypeError, and RequiredPropertyMissing; moved custom exceptions to pystac.errors (#309)

Fixed

  • Validation checks in a few tests (#346)

Changed

  • API change: The extension API changed significantly. See (#309) for more details.
  • API change: Refactored the global STAC_IO object to an instance-specific StacIO implementation. (#309)
  • Asset.get_absolute_href returns None if no absolute href can be inferred (previously the relative href that was passed in was returned) (#309)

Removed

  • Removed properties from Collections (#309)
  • Removed LinkMixin, and implemented those methods on STACObject directly. STACObject was the only class using LinkMixin and this should not effect users (#309
  • Removed single-file-stac extension; this extension is being removed in favor of ItemCollection usage (#309

Deprecated

  • Deprecated STAC_IO in favor of new StacIO class. STAC_IO will be removed in v1.0.0. (#309)

v0.5.6

Added

  • HIERARCHICAL_LINKS array constant of all the types of hierarchical links (self is not included) (#290)

Fixed

  • Fixed error when accessing the statistics attribute of the pointcloud extension when no statistics were defined (#282)
  • Fixed exception being thrown when calling set_self_href on items with assets that have relative hrefs (#291)

Changed

  • Link behavior - link URLs can be either relative or absolute. Hierarchical (e.g., parent, child) links are made relative or absolute based on the value of the root catalog's catalog_type field (#290)
  • Internal self hrefs are set automatically when adding Items or Children to an existing catalog. This removes the need to call normalize_hrefs or manual setting of the hrefs for newly added STAC objects (#294)
  • Catalog.generate_subcatalogs is an order of magnitude faster (#295)

Removed

  • Removed LinkType class and the link_type field from links (#290)

v0.5.5

Added

  • Added support for STAC file extension (#270)

Fixed

  • Fix handling of optional properties when using apply on view extension (#259)
  • Fixed issue with setting None into projection extension fields that are not required breaking validation (#269)

Changed

  • Subclass relevant classes from enum.Enum. This allows iterating over the class' contents. The __str__ method is overwritten so this should not break backwards compatibility. (#261)
  • Extract method to correctly handle setting properties in Item/Asset for ItemExtensions (#272)

v0.5.4

Added

  • SAT Extension (#236)
  • Add support for the scientific extension. (#199)

Fixed

  • Fix unexpected behaviour of generate_subcatalogs (#241)
  • Get eo bands defined in assets only (#243)
  • Collection TemporalExtent can be open ended (#247)
  • Make asset HREFs relative or absolute based on CatalogType during save (#251)

Changed

  • Be more strict with CatalogType in Catalog.save (#244)

v0.5.3

Added

  • Added support for the pointcloud extension (#176)
  • Added support for the version extension (#193)
  • Added support for the SAR extension (#203)
  • Added the capability to more flexibly organize STACs using normalize_hrefs (#219)
  • Added a 'generate_subcatalogs' to Catalog to allow for subcatalogs to be created by using item properties via a template string (#219)
  • Added 'from_items' method to Extent (#223)
  • Added a catalog_type property to track the CatalogType of read in or previously saved catalogs (#224)
  • Added a tutorial for creating Landsat 8 STACs (#181)
  • Added codespell to CI (#206)
  • Added more testing to Links (#211)

Fixed

  • Fixed issue that can cause infinite recursion during full resolve (#204)
  • Fixed issue that required label_classes in label items (#201)
  • Fixed issue that caused geometries and bboxes produced by Shapely to fail PySTAC's validaton (#201)
  • Allow for path prefixes like /vsitar/ (#208)
  • Fix Item set_self_href to ensure item asset locations do not break (#226)
  • Fixed an incorrect exception being thrown from Link.get_href() if there is no target_href (#201)
  • Fixed issue where 0.9.0 items were executing the commons extension logic when they shouldn't (#221)
  • Fixed issue where cloned assets did not have their owning Items set (#228)
  • Fixed issue that caused make_asset_hrefs_relative to produce incorrect HREFs when asset HREFs were already relative (#229)
  • Improve error handling when accidentally importing a Collection with Catalog (#186)
  • Fixed spacenet tutorial bbox issue (#201)
  • Fix formatting of error message in stac_validator (#190)
  • Fixed typos (#192, #195)

Changed

  • Refactor caching to utilize HREFs and parent IDs. STAC objects now no longer need unique IDs to work with PySTAC (#214, #160)
  • Allow a user to pass a single list as bbox and interval for SpatialExtent and TemporalExtent (#201, fixes #198)

v0.5.2

Thank you to all the new contributors that contributed during STAC Sprint 6!

Added

  • Added support for the timestamps extension(#161)
  • update_extent_from_items method to Collection for updating Extent objects within a collection based on the contained items. (#168)
  • validate_all method to Catalogs (and by inheritance collections) for validating all catalogs, collections and items contained in that catalog (#162)
  • validate_all method to pystac.validdation for validating all catalogs, collections and items contained in STAC JSON dicts across STAC versions. (#162)
  • Additional test coverage. (#165, #171)
  • Added codecov to CI (#163)

Fixed

  • Fix bug that caused get_children to miss some links. (#172)
  • Fixed bug in ExtensionIndex that was causing errors when trying to read help() for that object (#159)

Changed

  • Remove spaces in CBERS test library (#157)
  • Changed some unit test assertions for better error messages (#158)
  • Moved PySTAC to the stac-utils GitHub organization.

v0.5.1

Added

  • A tutorial for creating extensions (#150)

Fixed

  • Fixed Satellite extension ID, using sat instead of satellite (#146, #147)

v0.5.0

Added

  • Added support for the Projection extension(#125)
  • Add support for Item Asset properties (#127)
  • Added support for dynamically changing the STAC version via pystac.set_stac_version and pystac.get_stac_version (#130)
  • Added support for prerelease versions in version comparisons for the pystac.serialization.identify package (#138)
  • Added validation for PySTAC STACObjects as well as arbitrary STAC JSON (#139)
  • Added the ability to read HTTP and HTTPS uris by default (#139)

Changed

  • Clarification on null geometries, making bbox not required if a null geometry is used. (#123)
  • Multiple extents (bounding boxes / intervals) are allowed per Collection (#123)
  • Moved eo:gsd from eo extension to core gsd field in Item common metadata (#123) asset extension renamed to item-assets and renamed assets field in Collections to item_assets (#123)
  • get_asset_bands and set_asset_bands were renamed get_bands and set_bands and follow the new item asset property access pattern.
  • Modified the single-file-stac extension to extend Catalog (#128)

Removed

  • ItemCollection was removed. (#123)
  • The commons extension was removed. Collection properties will still be merged for pre-1.0.0-beta.1 items where appropriate (#129)
  • Removed pystac.STAC_VERSION. See addition of get_stac_version above. (#130)

v0.4.0

The two major changes for this release are:

  • Upgrade to STAC 0.9.0
  • Refactor the extensions API to accommodate items that implement multiple extensions (e.g. eo and view)

See the stac-spec 0.9.0 changelog and issue #65 for more information.

API Changes

These are the major API changes that will have to be accounted for when upgrading PySTAC:

Extensions are wrappers around Catalogs, Collection and Items, and no longer inherit

This change affects the two extensions that were implemented for Item - EOItem and LabelItem have become EOItemExt and LabelItemExt, and no longer inherit from Item.

This change was motivated by the 0.9 change that split some properties out from eo into the view extension. If we kept an inheritance-based extension architecture, we would not be able to account well for these new items that implemented both the eo and view extensions.

See the Extensions section in the documentation for more information on the new way to use extensions.

Extensions have moved to their own package

  • pystac.label -> pystac.extensions.label
  • pystac.eo -> pystac.extensions.eo
  • pystac.single_file_stac -> pystac.extensions.single_file_stac

Added

  • pystac.read_file as a convenience function for reading in a STACObject from a file at a URI which delegates to STACObject.from_file.
  • pystac.read_file as a convenience function for reading in a STACObject from a file at a URI.
  • Added support for the view extension.
  • Added support for the commons extension.

Changed

  • Migrated CI workflows from Travis CI to GitHub Actions #108

  • Dropped support for Python 3.5 #108

  • Extension classes for label, eo and single-file-stac were moved to the pystac.extensions package.

  • the eo and label extensions changed from being a subclass of Item to wrapping items. Note: This is a major change in the API for dealing with extensions. See the note below for more information.

  • Renamed the class that enumerates extension names from Extension to Extensions

  • Asset properties always return a dict instead of being None for Assets that have non-core properties.

  • The Band constructor in the EO extension changed to taking a dict. To create a band from property values, use Band.create

v0.3.4 - 2020-06-20

Changed

  • Further narrow version for SAR extension #85

Fixed

  • Fixed issue with reading ItemCollections directly. #86
  • Fix bug in make_absolute_href #94
  • Fixed issues with fully_resolve #98
  • Fixed a bug when root link was not set #100

v0.3.3 - 2020-02-05

Added

  • Allow for backwards compatibility for reading STAC #77

Fixed

  • Fix issue with multiple collection reads per item #79
  • Fix issue with iteration of children in catalog.walk #78
  • Allow v0.7.0 sar items to fit in version range #80

v0.3.2 - 2020-01-28

Added

  • Add functionality for identifying STAC JSON information #50

Fixed

  • Documentation improvements #44
  • Updated MediaTypes to reflect correct GeoTIFF and COG names #66
  • Fix utils to work with windows paths. #68
  • Modified output datetime strings to ISO8601. #69
  • Respect tzinfo in the provided datetime #70
  • Set asset owner to item when reading in items.#71
  • Fixed catalog and collection clone logic to avoid duplication of root link #72

v0.3.1 - 2019-11-04

Added

  • Add methods for removing single items and children from catalogs.
  • Add methods for removing objects from the ResolvedObjectCache.

Fixed

  • Fixed issue where cleared items and children were still in the root object cache.

Changed

  • Moved STAC version to 0.8.1
  • LabelItem reduced validation as there is some confusion on how segmentation classes

v0.3.0 - 2019-10-31

Initial release.