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Use atomic write for bottom_roughness.nc to prevent netcdf corruption #115

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Merged
minghangli-uni merged 1 commit into from
Feb 26, 2026
Merged

Use atomic write for bottom_roughness.nc to prevent netcdf corruption #115

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13 changes: 11 additions & 2 deletions external_tidal_generation/generate_bottom_roughness_regrid.py
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Original file line number Diff line number Diff line change
Expand Up @@ -418,8 +418,17 @@ def main():
global_attrs["inputFile"] = ", ".join(file_hashes)
regrid_depth_var.attrs.update(global_attrs)

regrid_depth_var.to_netcdf(args.output_file)
print(f"Output written to {args.output_file}")
output_path = Path(args.output_file)
tmp_path = output_path.with_suffix(output_path.suffix + ".tmp")

# ensure tmp does not exist
if tmp_path.exists():
tmp_path.unlink()

regrid_depth_var.to_netcdf(tmp_path)
tmp_path.replace(output_path)

print(f"Output written to {output_path}")


if __name__ == "__main__":
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