Merge pull request #14768 from cxp484/master

FDS Utilities: Fix the fds_prop to allow False

Author: cxp484

Utilities/Python/scripts/cantera_yaml_2_fds.py

@@ -5,12 +5,24 @@
 import sys
 import math
 
+# Define str2bool function
+def str2bool(v):
+    if isinstance(v, bool):
+        return v
+    if v.lower() in ('yes', 'true', 't', 'y', '1'):
+        return True
+    elif v.lower() in ('no', 'false', 'f', 'n', '0'):
+        return False
+    else:
+        raise argparse.ArgumentTypeError('Boolean value expected.')
+
 parser = argparse.ArgumentParser()
 
 parser.add_argument("--background", help="Background species formula",default='noinput',required=True)
 parser.add_argument("--yaml_file",help="yaml file",default='noinput',required=True)
 parser.add_argument("--spec_file",help="Cantera to FDS species name lookup csv file (default is yaml_file.spec) with column headings FORMULA and NAME ",default='noinput')
-parser.add_argument("--fds_prop",help="Set to True (default) to use FDS properties when species is in spec_file. ",type=bool,default=True)
+parser.add_argument("--fds_prop", type=str2bool, nargs='?', const=True, default=True,
+                    help="Set to True (default) to use FDS properties when species is in spec_file.")
 parser.add_argument("--radcal",help="Set to True (default) to use the RADCAL ID in the spec_file. ",type=bool,default=True)
 parser.add_argument("--mf0_file",help="csv file containing MASS_FRACTION_0 with column headings FORMULA and MF0",default='noinput')
 args = parser.parse_args()