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#!/usr/bin/env python
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# Copyright 2012 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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#   1. Redistributions of source code must retain the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer.
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#
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#   2. Redistributions in binary form must reproduce the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer in the documentation and/or other materials
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#      provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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from kamaki.cli.command_tree import CommandTree
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from kamaki.cli.argument import IntArgument, ValueArgument
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from kamaki.cli.history import History
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from kamaki.cli import command
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from kamaki.cli.commands import _command_init
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history_cmds = CommandTree('history', 'Command history')
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class _init_history(_command_init):
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    def main(self):
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        self.history = History(self.config.get('history', 'file'))
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@command(history_cmds)
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class history(_init_history):
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    """Show history [containing terms...]"""
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    def __init__(self, arguments={}):
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        super(history, self).__init__(arguments)
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        self.arguments['limit'] =\
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            IntArgument('number of lines to show', '-n', default=0)
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        self.arguments['match'] =\
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            ValueArgument('show lines that match all given terms', '--match')
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    def main(self):
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        super(history, self).main()
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        ret = self.history.get(match_terms=self.get_argument('match'),
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            limit=self.get_argument('limit'))
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        print(''.join(ret))
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@command(history_cmds)
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class history_clean(_init_history):
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    """Clean up history"""
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    def main(self):
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        super(history_clean, self).main()
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        self.history.clean()