Synnefo » ./kamaki

#!/usr/bin/env python

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from kamaki.cli.command_tree import CommandTree

from kamaki.cli.argument import ValueArgument

from kamaki.cli.history import History

from kamaki.cli import command

from kamaki.cli.commands import _command_init, errors

history_cmds = CommandTree('history', 'Kamaki command history')

_commands = [history_cmds]

class _init_history(_command_init):

    @errors.generic.all

    @errors.history.init

    def _run(self):

        self.history = History(self.config.get('global', 'history_file'))

        self.history.limit = self.config.get('global', 'history_limit')

    def main(self):

        self._run()

@command(history_cmds)

class history_show(_init_history):

    """Show history

        Featutes:

        - slice notation (cmd numbers --> N or :N or N: or N1:N2)

        - text matching (--match)

    """

    arguments = dict(

        match=ValueArgument('Show lines matching this', '--match'),

    )

    @errors.generic.all

    def _run(self, cmd_slice):

        c = self.history.counter

        lines = ['%s.\t%s' % (i + c, l) for i, l in enumerate(

            self.history[:])][cmd_slice]

        if not isinstance(cmd_slice, slice):

            lines = [lines, ]

        if self['match']:

            lines = [l for l in lines if self.history._match(l, self['match'])]

        self.print_items([l[:-1] for l in lines])

    def main(self, cmd_numbers=''):

        super(self.__class__, self)._run()

        sl_args = [

            int(x) if x else None for x in cmd_numbers.split(':')] if (

                cmd_numbers) else [None, None]

        slice_cmds = slice(*sl_args) if len(sl_args) > 1 else sl_args[0]

        self._run(slice_cmds)

@command(history_cmds)

class history_clean(_init_history):

    """Clean up history (permanent)"""

    @errors.generic.all

    def _run(self):

        self.history.empty()

    def main(self):

        super(self.__class__, self)._run()

        self._run()