fix: include type field in geoparquet write (#136)

cc @hrodmn

Author: gadomski

CHANGELOG.md

@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+### Added
+
+- `type` field to geoparquet writes ([#136](https://github.com/stac-utils/rustac-py/pull/136), <https://github.com/stac-utils/rustac/pull/736>)
+
 ## [0.8.0] - 2025-05-13
 
 ### Added

Cargo.lock

@@ -58,6 +58,8 @@ dev = [
     "maturin>=1.7.4",
     "maturin-import-hook>=0.2.0",
     "mypy>=1.11.2",
+    "pandas>=2.2.3",
+    "pandas-stubs>=2.2.3.250308",
     "pyarrow>=19.0.1",
     "pystac[validation]>=1.11.0",
     "pytest>=8.3.3",

pyproject.toml

@@ -1,6 +1,7 @@
 from pathlib import Path
 from typing import Any
 
+import pandas
 import pyarrow.parquet
 import rustac
 import stac_geoparquet
@@ -27,3 +28,10 @@ async def test_write_store(item: dict[str, Any], tmp_path: Path) -> None:
     await rustac.write("item.json", item, store=store)
     read_item = await rustac.read("item.json", store=store)
     assert item["id"] == read_item["id"]
+
+
+async def test_write_includes_type(tmp_path: Path, item: dict[str, Any]) -> None:
+    assert "type" in item
+    await rustac.write(str(tmp_path / "out.parquet"), [item])
+    data_frame = pandas.read_parquet(str(tmp_path / "out.parquet"))
+    assert "type" in data_frame.columns