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# Copyright 2011-2012 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 INTERaUPTION) 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 import command
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from kamaki.cli.argument import FlagArgument
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from kamaki.cli.commands import _command_init
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from kamaki.cli.command_tree import CommandTree
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config_cmds = CommandTree('config', 'Configuration commands')
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_commands = [config_cmds]
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@command(config_cmds)
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class config_list(_command_init):
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    """List configuration options"""
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    def __init__(self, arguments={}):
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        super(config_list, self).__init__(arguments)
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        self.arguments['all'] = FlagArgument('include default values', '-a')
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    def main(self):
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        include_defaults = self.get_argument('all')
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        for section in sorted(self.config.sections()):
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            items = self.config.items(section, include_defaults)
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            for key, val in sorted(items):
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                print('%s.%s = %s' % (section, key, val))
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@command(config_cmds)
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class config_get(_command_init):
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    """Show a configuration option"""
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    def main(self, option):
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        section, sep, key = option.rpartition('.')
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        section = section or 'global'
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        value = self.config.get(section, key)
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        if value:
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            print(value)
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@command(config_cmds)
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class config_set(_command_init):
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    """Set a configuration option"""
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    def main(self, option, value):
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        section, sep, key = option.rpartition('.')
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        section = section or 'global'
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        self.config.set(section, key, value)
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        self.config.write()
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        self.config.reload()
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@command(config_cmds)
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class config_delete(_command_init):
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    """Delete a configuration option (and use the default value)"""
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    def main(self, option):
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        section, sep, key = option.rpartition('.')
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        section = section or 'global'
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        self.config.remove_option(section, key)
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        self.config.write()
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        self.config.reload()