feat: allow "Feature" dictionaries for intersects (#696)

Author: gadomski

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Added
+
+- Support for "Feature" type `intersects` dictionaries [#696](https://github.com/stac-utils/pystac-client/pull/696)
+
 ## [v0.8.1] - 2024-05-23
 
 ### Fixed

pystac_client/item_search.py

@@ -179,11 +179,10 @@ class ItemSearch:
         bbox: A list, tuple, or iterator representing a bounding box of 2D
             or 3D coordinates. Results will be filtered
             to only those intersecting the bounding box.
-        intersects: A string or dictionary representing a GeoJSON geometry, or
-            an object that implements a
-            ``__geo_interface__`` property, as supported by several libraries
-            including Shapely, ArcPy, PySAL, and
-            geojson. Results filtered to only those intersecting the geometry.
+        intersects: A string or dictionary representing a GeoJSON geometry or feature,
+            or an object that implements a ``__geo_interface__`` property, as supported
+            by several libraries including Shapely, ArcPy, PySAL, and geojson. Results
+            filtered to only those intersecting the geometry.
         datetime: Either a single datetime or datetime range used to filter results.
             You may express a single datetime using a :class:`datetime.datetime`
             instance, a `RFC 3339-compliant <https://tools.ietf.org/html/rfc3339>`__
@@ -646,7 +645,10 @@ def _format_intersects(value: Optional[IntersectsLike]) -> Optional[Intersects]:
         if value is None:
             return None
         if isinstance(value, dict):
-            return deepcopy(value)
+            if value.get("type") == "Feature":
+                return deepcopy(value.get("geometry"))
+            else:
+                return deepcopy(value)
         if isinstance(value, str):
             return dict(json.loads(value))
         if hasattr(value, "__geo_interface__"):

tests/test_item_search.py

@@ -850,3 +850,17 @@ def test_fields() -> None:
     assert "geometry" not in item
     assert "assets" not in item
     assert "links" not in item
+
+
+def test_feature() -> None:
+    search = ItemSearch(
+        url="https://earth-search.aws.element84.com/v1/search",
+        intersects={
+            "type": "Feature",
+            "geometry": {"type": "Point", "coordinates": [-105.1019, 40.1672]},
+        },
+    )
+    assert search.get_parameters()["intersects"] == {
+        "type": "Point",
+        "coordinates": [-105.1019, 40.1672],
+    }