utility script to convert MET input data headers from upper case to l…

…ower case

test/convert_headers.py

@@ -0,0 +1,42 @@
+import pandas as pd
+import argparse
+'''
+   Converts the uppercase MET headers into lower case for command line usage of 
+   agg_stat.py and other statistics modules.
+   
+   Requires the full path to the input file and a full path to the output file.
+   
+'''
+
+def change_header_case(input_args):
+    '''
+
+    Args:
+        input_args: the argparse argument object containing the input and output filenames
+
+    Returns:
+        None.  Creates the MET input file with lower case headers.  Saved in the location specified
+        from the command line arguments
+    '''
+
+    print(f"reading MET input with upper case headers:{input_args.input_file} ")
+    df = pd.read_csv(input_args.input_file, sep=r"\s+")
+    uc_cols = df.columns.to_list()
+    lc_cols = [lc_cols.lower() for lc_cols in uc_cols]
+    df.columns = lc_cols
+
+    df.to_csv(input_args.output_file, sep="\t", index=False)
+
+
+    print(f"saving MET output with lower case headers: {input_args.output_file} ")
+
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="Changes upper case MET headers into lower case")
+
+    parser.add_argument('-i', type=str, dest='input_file', required=True)
+    parser.add_argument('-o', type=str, dest='output_file', required=True)
+
+    input_args = parser.parse_args()
+    change_header_case(input_args)