flexible prompt msg for prc_write_irodsA.py

Author: d-w-moore

README.md

@@ -134,8 +134,8 @@ Creating PAM or Native Credentials File (.irodsA)
 
 Two free functions exist for creating encoded authentication files:
 ```
-irods.client_init.write_native_credentials_to_secrets_file
-irods.client_init.write_pam_credentials_to_secrets_file
+irods.client_init.write_native_irodsA_file
+irods.client_init.write_pam_irodsA_file
 ```
 
 Each takes a cleartext password and writes an appropriately processed version of it

irods/auth/pam_password.py

@@ -54,15 +54,15 @@ def _authenticate_pam_password(conn, req):
     _logger.debug('----------- %s (end)', _scheme)
 
 
-def _get_pam_password_from_stdin(file_like_object = None):
+def _get_pam_password_from_stdin(file_like_object = None, prompt = "Enter your current PAM password: "):
     try:
         if file_like_object:
             if not getattr(file_like_object,'readline',None):
                 msg = "The file_like_object, if provided, must have a 'readline' method."
                 raise RuntimeError(msg)
             sys.stdin = file_like_object
         if sys.stdin.isatty():
-            return getpass.getpass("Enter your current PAM password: ")
+            return getpass.getpass(prompt)
         else:
             return sys.stdin.readline().strip()
     finally:

irods/prc_write_irodsA.py

@@ -30,6 +30,7 @@
     opts, args = getopt.getopt(sys.argv[1:], "hi:", ["ttl=","help"])
     optD = dict(opts)
     help_selected = {*optD} & {'-h','--help'}
+    scheme = args[0]
     if len(args) != 1 or help_selected:
         print("{}\nUsage: {} [-i STREAM| -h | --help | --ttl HOURS] AUTH_SCHEME".format(extra_help, sys.argv[0]))
         print("  Choices for AUTH_SCHEME are:")
@@ -38,13 +39,13 @@
         print("  STREAM is the name of a file containing a password. Alternatively, a hyphen('-') is used to\n"
               "  indicate that the password may be read from stdin.")
         sys.exit(0 if help_selected else 1)
-    elif args[0] in vector:
+    elif scheme in vector:
         options = {}
         inp_stream = optD.get('-i',None)
         if '--ttl' in optD:
             options['ttl'] = optD['--ttl']
         pw = get_password(sys.stdin if inp_stream in ("-",None)
-                          else open(inp_stream,"r"))
-        vector[args[0]](pw,**options)
+                          else open(inp_stream,"r"), prompt = f"Enter current password for scheme {scheme!r}: ")
+        vector[scheme](pw,**options)
     else:
         print("did not recognize authentication scheme argument", file=sys.stderr)