Sha256: 6c10aae7cb1f23e107cb3a46363da0b26d299e73dcd78d862a93c9bae61d16e6
Contents?: true
Size: 788 Bytes
Versions: 20
Compression:
Stored size: 788 Bytes
Contents
module EasyML
module DataframeSerialization
extend ActiveSupport::Concern
def serialize_dataframe(df)
return unless df
JSON.parse(df.write_json)
end
def deserialize_dataframe(df_data)
return unless df_data.present? && df_data.key?("columns")
columns = df_data["columns"].map do |col|
dtype = case col["datatype"]
when Hash
if col["datatype"]["Datetime"]
Polars::Datetime.new(col["datatype"]["Datetime"][0].downcase.to_sym).class
else
Polars::Utf8
end
else
Polars.const_get(col["datatype"])
end
Polars::Series.new(col["name"], col["values"], dtype: dtype)
end
Polars::DataFrame.new(columns)
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems