From f00b94f18e1d82d1488cbcee6053f03423bc2f49 Mon Sep 17 00:00:00 2001
From: Barry Warsaw
Date: Sat, 22 Jul 2017 03:02:05 +0000
Subject: Convert to click for CLI options

---
 src/mailman/commands/cli_aliases.py | 31 ++++++++++++++++---------------
 1 file changed, 16 insertions(+), 15 deletions(-)

(limited to 'src/mailman/commands/cli_aliases.py')

diff --git a/src/mailman/commands/cli_aliases.py b/src/mailman/commands/cli_aliases.py
index 3ac46a1d9..4ce41eedd 100644
--- a/src/mailman/commands/cli_aliases.py
+++ b/src/mailman/commands/cli_aliases.py
@@ -17,30 +17,31 @@
 
 """Generate Mailman alias files for your MTA."""
 
+import click
+
 from mailman.config import config
 from mailman.core.i18n import _
 from mailman.interfaces.command import ICLISubCommand
 from mailman.utilities.modules import call_name
+from mailman.utilities.options import I18nCommand
 from public import public
 from zope.interface import implementer
 
 
+@click.command(
+    cls=I18nCommand,
+    help=_('Regenerate the aliases appropriate for your MTA.'))
+@click.option(
+    '--directory', '-d',
+    type=click.Path(exists=True, file_okay=False, resolve_path=True,
+                    writable=True),
+    help=_('An alternative directory to output the various MTA files to.'))
+def aliases(directory):
+    call_name(config.mta.incoming).regenerate(directory)
+
+
 @public
 @implementer(ICLISubCommand)
 class Aliases:
-    """Regenerate the aliases appropriate for your MTA."""
-
     name = 'aliases'
-
-    def add(self, parser, command_parser):
-        """See `ICLISubCommand`."""
-        self.parser = parser
-        command_parser.add_argument(
-            '-d', '--directory',
-            action='store', help=_("""\
-            An alternative directory to output the various MTA files to."""))
-
-    def process(self, args):
-        """See `ICLISubCommand`."""
-        # Call the MTA-specific regeneration method.
-        call_name(config.mta.incoming).regenerate(args.directory)
+    command = aliases
-- 
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