44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
"""Download OS GeoSure ground stability data (5km hex grid).
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Downloads the GB-Hex-5km-GeoSure dataset from Ordnance Survey as an ESRI
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Shapefile and extracts it.
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Source: https://osdatahub.os.uk/downloads/open/GeoSure
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License: Open Government Licence v3.0
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"""
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import argparse
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import tempfile
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from pathlib import Path
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from pipeline.utils import download, extract_zip
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URL = "https://api.os.uk/downloads/v1/products/GB-Hex-5km-GeoSure/downloads?area=GB&format=ESRI%C2%AE+Shapefile&redirect"
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def main() -> None:
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parser = argparse.ArgumentParser(
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description="Download OS GeoSure ground stability data"
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)
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parser.add_argument(
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"--output",
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type=Path,
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required=True,
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help="Output directory for extracted shapefile",
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)
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args = parser.parse_args()
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with tempfile.TemporaryDirectory() as cache_dir:
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zip_path = Path(cache_dir) / "geosure.zip"
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download(URL, zip_path, timeout=300)
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extract_zip(zip_path, args.output)
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shp_files = list(args.output.rglob("*.shp"))
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print(f"Extracted {len(shp_files)} shapefiles to {args.output}")
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for f in shp_files:
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print(f" {f.relative_to(args.output)}")
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if __name__ == "__main__":
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main()
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