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Check if "ClimaCore version" is already attribute #1464

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merged 1 commit into from
Oct 5, 2023
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Check if "ClimaCore version" is already attribute #1464

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11 changes: 10 additions & 1 deletion src/InputOutput/writers.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,16 @@ function HDF5Writer(
else
file = h5open(filename, mode, context.mpicomm)
end
write_attribute(file, "ClimaCore version", string(VERSION))
# Add an attribute to the file if it doesn't already exist
if haskey(attributes(file), "ClimaCore version")
file_version = VersionNumber(attrs(file)["ClimaCore version"])
current_version = VERSION
if file_version != current_version
@warn "$filename was written using a different version of ClimaCore than is currently loaded" file_version current_version
end
else
write_attribute(file, "ClimaCore version", string(VERSION))
end
cache = Dict{String, String}()
return HDF5Writer(file, context, cache)
end
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