allow to write queryables

pystac_client/mixins.py

@@ -67,3 +67,14 @@ def _get_queryables_href(self) -> str:
         link = self.get_single_link(QUERYABLES_REL)
         href = self._get_href(QUERYABLES_REL, link, QUERYABLES_ENDPOINT)
         return href
+
+    def write_queryables_to(self, queryables: Dict[str, Any], url: str) -> None:
+        """Write a queryables to a given endpoint"""
+        if self._stac_io is None:
+            raise APIError("API access is not properly configured")
+        self._stac_io.save_json(url, queryables)
+
+    def set_queryables(self, queryables: Dict[str, Any]) -> None:
+        """Write a queryables to the default endpoint"""
+        url = self._get_queryables_href()
+        self.write_queryables_to(queryables, url)

tests/test_client.py

@@ -2,6 +2,7 @@
 import os.path
 import warnings
 from datetime import datetime
+from pathlib import Path
 from tempfile import TemporaryDirectory
 from typing import Any, Dict
 from urllib.parse import parse_qs, urlsplit
@@ -752,3 +753,23 @@ def test_fallback_strategy() -> None:
 
     assert (item_root := item.get_single_link("root"))
     assert item_root.href == root_href
+
+
+@pytest.mark.vcr
+def test_set_queryables(tmp_path: Path) -> None:
+    """Make sure we can write queryables."""
+
+    client = Client.open(
+        "https://planetarycomputer.microsoft.com/api/stac/v1/",
+    )
+
+    queryables = client.get_queryables()
+
+    # Transactions are not supported in the default StacApiIO
+    with pytest.raises(APIError):
+        client.set_queryables(queryables)
+
+    # write content to a temp file
+    tmp_file = tmp_path / "queryables.json"
+    client.write_queryables_to(queryables, str(tmp_file))
+    assert json.loads(tmp_file.read_text()) == queryables