Read `inst_eddies_nml.txt` outside

Read `inst_eddies_nml.txt` out of function
`loop_inst_eddies`. Preparing to modify the date in the namelist in
`inst_eddies_Aviso.py`.

Inst_eddies/inst_eddies.py.in

@@ -64,7 +64,9 @@ def process_1_file(
     writer.writerow([d, elapsed_NCO, elapsed_Fortran])
 
 
-def loop_inst_eddies(SHPC_dir, files, bbox, d, my_slice, periodic):
+def loop_inst_eddies(
+    SHPC_dir, files, bbox, config_nml_string, d, my_slice, periodic
+):
     """`files` is an iterator of file paths. The first file must exist,
     others can be missing. bbox is a tuple of four real numbers. `d`
     is a date index (integer value) for the first date. my_slice is
@@ -81,17 +83,6 @@ def loop_inst_eddies(SHPC_dir, files, bbox, d, my_slice, periodic):
             + " not found or not executable"
         )
 
-    if os.access("inst_eddies_nml.txt", os.R_OK):
-        print("inst_eddies.loop_inst_eddies: Will use inst_eddies_nml.txt.")
-    else:
-        sys.exit(
-            'inst_eddies.loop_inst_eddies: "inst_eddies_nml.txt" not found '
-            "-- Aborting"
-        )
-
-    with open("inst_eddies_nml.txt") as f_obj:
-        config_nml_string = f_obj.read()
-
     nco_instance = nco.Nco()
 
     if os.access(f"{SHPC_dir}/Slice_{my_slice}", os.F_OK):
@@ -192,11 +183,25 @@ if __name__ == "__main__":
     if not os.access(args.file[0], os.F_OK):
         sys.exit(args.file[0] + " not found")
 
+    if os.access("inst_eddies_nml.txt", os.R_OK):
+        print("Will use inst_eddies_nml.txt.")
+    else:
+        sys.exit('"inst_eddies_nml.txt" not found -- Aborting')
+
+    with open("inst_eddies_nml.txt") as f_obj:
+        config_nml_string = f_obj.read()
+
     d = input("Enter first date index (integer value): ")
     d = int(d)
     my_slice = input("Enter slice index (integer value): ")
     my_slice = int(my_slice)
     periodic = input("periodic (t/f)? ")
     loop_inst_eddies(
-        args.SHPC_dir, iter(args.file), args.bbox, d, my_slice, periodic
+        args.SHPC_dir,
+        iter(args.file),
+        args.bbox,
+        config_nml_string,
+        d,
+        my_slice,
+        periodic,
     )

Inst_eddies/inst_eddies_Aviso.py

@@ -10,6 +10,7 @@ import argparse
 import datetime
 import sys
 import glob
+import os
 
 from dateutil import parser
 
@@ -65,11 +66,20 @@ first_date = parser.parse(args.first_date).date()
 last_date = parser.parse(args.last_date).date()
 d = (first_date - datetime.date(1950, 1, 1)).days
 
+if os.access("inst_eddies_nml.txt", os.R_OK):
+    print("Will use inst_eddies_nml.txt.")
+else:
+    sys.exit('"inst_eddies_nml.txt" not found -- Aborting')
+
+with open("inst_eddies_nml.txt") as f_obj:
+    config_nml_string = f_obj.read()
+
 # We choose to use d as the first date index. We could choose anything.
 inst_eddies.loop_inst_eddies(
     args.SHPC_dir,
     filename_generator(args.template, first_date, last_date),
     args.bbox,
+    config_nml_string,
     d,
     my_slice=args.slice,
     periodic=args.periodic,