configurator - get values for particular replace token

scripts/codes_config_get_vals.py

+#!/usr/bin/python2.7
+import argparse
+import sys
+from itertools import islice
+
+import configurator as conf
+
+def main():
+    args = parse_args()
+
+    mod = conf.import_from(args.substitute_py)
+
+    conf.check_cfields(mod)
+    
+    for pair in mod.cfields:
+        if pair[0] == args.token:
+            sys.stdout.write(str(pair[1][0]))
+            for x in islice(pair[1],1,None):
+                sys.stdout.write(" " + str(x))
+            sys.stdout.write('\n')
+            sys.exit(0) # success
+    else: # failure, did not find
+        raise ValueError('could not find token "' + args.token + '"')
+        
+
+def parse_args():
+    parser = argparse.ArgumentParser(\
+            description="echo the values of a token file to stdout")
+    parser.add_argument("substitute_py",
+            help='python file defining "cfields" variable consisting of '
+                 'elements of the form '
+                 '( replacement_token, [replacements...])')
+    parser.add_argument("token",
+            help="replacement token to print values out for")
+    return parser.parse_args()
+
+if __name__ == "__main__":
+    main()