[virt-tools-list] [virt-manager] [PATCH v2 2/2] cli: Use function cli_flag_name to help to concatenate '--' and cli_arg_name

[Lin Ma]

It can convert the underscore to minus for cli_arg_name in help output or error
message.

Signed-off-by: Lin Ma <lma at suse.com>
---
 virt-xml        |  2 +-
 virtinst/cli.py | 12 ++++++------
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/virt-xml b/virt-xml
index e839b294..43048cd9 100755
--- a/virt-xml
+++ b/virt-xml
@@ -167,7 +167,7 @@ def check_xmlopt_collision(options):
     if len(collisions) != 1:
         fail(_("Only one change operation may be specified "
                "(conflicting options %s)") %
-               ["--" + c.cli_arg_name for c in collisions])
+               [c.cli_flag_name() for c in collisions])
 
     return collisions[0]
 
diff --git a/virtinst/cli.py b/virtinst/cli.py
index fcf3fee2..111491e5 100644
--- a/virtinst/cli.py
+++ b/virtinst/cli.py
@@ -501,7 +501,7 @@ def autocomplete(parser):
 
     import argcomplete
 
-    parsernames = ["--" + pclass.cli_arg_name for pclass in
+    parsernames = [pclass.cli_flag_name() for pclass in
                    _get_completer_parsers()]
     # pylint: disable=protected-access
     for action in parser._actions:
@@ -1207,7 +1207,7 @@ class VirtCLIParser(metaclass=InitClass):
         """
         Print out all _param names, triggered via ex. --disk help
         """
-        print("--%s options:" % cls.cli_arg_name)
+        print("%s options:" % cls.cli_flag_name())
         for arg in sorted(cls._virtargs, key=lambda p: p.cliname):
             print("  %s" % arg.cliname)
         print("")
@@ -1253,8 +1253,8 @@ class VirtCLIParser(metaclass=InitClass):
         Callback that handles virt-xml clearxml=yes|no magic
         """
         if not self.propname:
-            raise RuntimeError("Don't know how to clearxml --%s" %
-                               self.cli_arg_name)
+            raise RuntimeError("Don't know how to clearxml %s" %
+                               self.cli_flag_name())
         if val is not True:
             return
 
@@ -1318,8 +1318,8 @@ class VirtCLIParser(metaclass=InitClass):
         passed an invalid argument such as --disk idontexist=foo
         """
         if optdict:
-            fail(_("Unknown --%s options: %s") %
-                    (self.cli_arg_name, list(optdict.keys())))
+            fail(_("Unknown %s options: %s") %
+                    (self.cli_flag_name(), list(optdict.keys())))
 
     def _parse(self, inst):
         """
-- 
2.19.0