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[STAC] add support for GDAL VRT connection string #733

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merged 4 commits into from
Sep 23, 2024
Merged

[STAC] add support for GDAL VRT connection string #733

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179a622
[STAC] add support for GDAL VRT connection string
vincentsarago Sep 13, 2024
bfb75e9
Update tests/test_io_stac.py
vincentsarago Sep 17, 2024
f330787
update from main
vincentsarago Sep 23, 2024
9acc3c8
Merge branch 'feature/add-vrt-connection-string-for-STAC' of https://…
vincentsarago Sep 23, 2024
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1 change: 1 addition & 0 deletions CHANGES.md
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
* Moved `_dst_geom_in_tms_crs` from Reader to `SpatialMixin` class **breaking change**
* Removed use of rasterio's `is_tiled` method
* Enable **Alternate** asset's HREF for STAC by using `RIO_TILER_STAC_ALTERNATE_KEY` environment variable
* Adding support for GDAL VRT Connection string for STAC Assets

# 6.7.0 (2024-09-05)

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26 changes: 24 additions & 2 deletions rio_tiler/io/stac.py
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Original file line number Diff line number Diff line change
Expand Up @@ -293,6 +293,23 @@ def _get_reader(self, asset_info: AssetInfo) -> Tuple[Type[BaseReader], Dict]:
"""Get Asset Reader."""
return self.reader, {}

def _parse_vrt_asset(self, asset: str) -> Tuple[str, Optional[str]]:
if asset.startswith("vrt://") and asset not in self.assets:
parsed = urlparse(asset)
if not parsed.netloc:
raise InvalidAssetName(
f"'{asset}' is not valid, couldn't find valid asset"
)

if parsed.netloc not in self.assets:
raise InvalidAssetName(
f"'{parsed.netloc}' is not valid, should be one of {self.assets}"
)

return parsed.netloc, parsed.query

return asset, None

def _get_asset_info(self, asset: str) -> AssetInfo:
"""Validate asset names and return asset's info.

Expand All @@ -303,6 +320,7 @@ def _get_asset_info(self, asset: str) -> AssetInfo:
AssetInfo: STAC asset info.

"""
asset, vrt_options = self._parse_vrt_asset(asset)
if asset not in self.assets:
raise InvalidAssetName(
f"'{asset}' is not valid, should be one of {self.assets}"
Expand All @@ -313,7 +331,7 @@ def _get_asset_info(self, asset: str) -> AssetInfo:

info = AssetInfo(
url=asset_info.get_absolute_href() or asset_info.href,
metadata=extras,
metadata=extras if not vrt_options else None,
)

if STAC_ALTERNATE_KEY and extras.get("alternate"):
Expand All @@ -328,7 +346,8 @@ def _get_asset_info(self, asset: str) -> AssetInfo:
info["env"] = {"GDAL_INGESTED_BYTES_AT_OPEN": head}

# https://github.com/stac-extensions/raster
if bands := extras.get("raster:bands"):
if extras.get("raster:bands") and not vrt_options:
bands = extras.get("raster:bands")
stats = [
(b["statistics"]["minimum"], b["statistics"]["maximum"])
for b in bands
Expand All @@ -346,4 +365,7 @@ def _get_asset_info(self, asset: str) -> AssetInfo:
"Some statistics data in STAC are invalid, they will be ignored."
)

if vrt_options:
info["url"] = f"vrt://{info['url']}?{vrt_options}"

return info
Binary file added tests/fixtures/gfs.t06z.pgrb2.10p0.f010.grib2
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304 changes: 304 additions & 0 deletions tests/fixtures/stac_grib.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,304 @@
{
"type": "Feature",
"stac_version": "1.0.0",
"id": "gribfile",
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"type": "Polygon",
"coordinates": [
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],
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],
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-180.125,
90.125
],
[
-180.125,
-89.875
]
]
]
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"proj:bbox": [
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"proj:wkt2": "GEOGCS[\"Coordinate System imported from GRIB file\",DATUM[\"unnamed\",SPHEROID[\"Sphere\",6371229,0]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\",EAST]]",
"datetime": "2024-09-13T11:08:36.893626Z"
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"eo:bands": [
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},
{
"name": "b2",
"description": "2[-] HYBL=\"Hybrid level\""
},
{
"name": "b3",
"description": "0[-] EATM=\"Entire Atmosphere\""
},
{
"name": "b4",
"description": "0[-] SFC=\"Ground or water surface\""
},
{
"name": "b5",
"description": "0[-] RESERVED(220) (Reserved for local use)"
},
{
"name": "b6",
"description": "0[-] RESERVED(220) (Reserved for local use)"
}
],
"roles": []
}
},
"bbox": [
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"stac_extensions": [
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"https://stac-extensions.github.io/raster/v1.1.0/schema.json",
"https://stac-extensions.github.io/eo/v1.1.0/schema.json"
]
}
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