| """Microsoft Planetary Computer STAC: Sentinel-2 L2A search over a |
| small NYC bbox. Verifies search works keylessly and that the result has |
| asset URLs we can sign with `planetary_computer.sign(item)`.""" |
|
|
| import sys |
|
|
| from _runner import cli, write_cache |
|
|
|
|
| def probe(): |
| import planetary_computer as pc |
| from pystac_client import Client |
|
|
| client = Client.open( |
| "https://planetarycomputer.microsoft.com/api/stac/v1", |
| modifier=pc.sign_inplace, |
| ) |
| |
| search = client.search( |
| collections=["sentinel-2-l2a"], |
| bbox=[-74.05, 40.55, -73.90, 40.65], |
| datetime="2024-09-01/2024-09-30", |
| query={"eo:cloud_cover": {"lt": 30}}, |
| max_items=3, |
| ) |
| items = list(search.items()) |
| if not items: |
| return False, "no items returned", None |
| it = items[0] |
| asset_keys = sorted(it.assets.keys()) |
| visual_url = it.assets.get("visual", it.assets[asset_keys[0]]).href |
| write_cache("stac_first_item", |
| {"id": it.id, "datetime": str(it.datetime), |
| "asset_keys": asset_keys, "visual_url": visual_url}) |
| return True, f"{len(items)} items, first={it.id}", it |
|
|
|
|
| if __name__ == "__main__": |
| sys.exit(cli("stac", probe)) |
|
|
