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+# Copyright (C) 2008 by the Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+
+"""Common argument parsing."""
+
+__metaclass__ = type
+__all__ = ['Options']
+
+
+from optparse import OptionParser
+
+from mailman.Version import MAILMAN_VERSION
+from mailman.configuration import config
+from mailman.i18n import _
+
+
+
+class Options:
+ """Common argument parser."""
+
+ # Subclasses should override.
+ usage = None
+
+ def __init__(self):
+ self.parser = OptionParser(version=MAILMAN_VERSION, usage=self.usage)
+ self.add_common_options()
+ self.add_options()
+ options, arguments = self.parser.parse_args()
+ self.options = options
+ self.arguments = arguments
+ # Also, for convenience, place the options in the configuration file
+ # because occasional global uses are necessary.
+ config.options = self
+ self.sanity_check()
+
+ def add_options(self):
+ """Allow the subclass to add its own specific arguments."""
+ pass
+
+ def sanity_check(self):
+ """Allow subclasses to do sanity checking of arguments."""
+ pass
+
+ def add_common_options(self):
+ """Add options common to all scripts."""
+ self.parser.add_option(
+ '-C', '--config',
+ help=_('Alternative configuration file to use'))