VirtualMailManager/cli/main.py
author Pascal Volk <user@localhost.localdomain.org>
Sun, 17 Mar 2013 17:07:14 +0000
branchv0.7.x
changeset 696 45f76850c7e9
parent 694 b1bfd4d1d9c0
child 711 2a75058fc064
permissions -rw-r--r--
VMM/serviceset: Small code cleanup.
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# -*- coding: UTF-8 -*-
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# Copyright (c) 2007 - 2013, Pascal Volk
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# See COPYING for distribution information.
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"""
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    VirtualMailManager.cli.main
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    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
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    VirtualMailManager's command line interface.
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"""
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from configparser import NoOptionError, NoSectionError
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from VirtualMailManager import ENCODING, errors
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from VirtualMailManager.config import BadOptionError, ConfigValueError
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from VirtualMailManager.cli import w_err
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from VirtualMailManager.cli.handler import CliHandler
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from VirtualMailManager.constants import EX_SUCCESS, EX_USER_INTERRUPT, \
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     INVALID_ARGUMENT
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from VirtualMailManager.cli.subcommands import RunContext, setup_parser
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191d5a5adc4a * Removed gettext import and setup in VirtualMailManager/:
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_ = lambda msg: msg
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def _get_handler():
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    """Try to get a CliHandler. Exit the program when an error occurs."""
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    try:
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        handler = CliHandler()
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    except (errors.NotRootError, errors.PermissionError, errors.VMMError,
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            errors.ConfigError) as err:
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        w_err(err.code, _('Error: %s') % err.msg)
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    else:
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        handler.cfg_install()
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        return handler
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def run():
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    parser = setup_parser()
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    args = parser.parse_args()
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    handler = _get_handler()
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    run_ctx = RunContext(args, handler)
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    try:
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        args.func(run_ctx)
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    except (EOFError, KeyboardInterrupt):
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        # TP: We have to cry, because root has killed/interrupted vmm
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        # with Ctrl+C or Ctrl+D.
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        w_err(EX_USER_INTERRUPT, '', _('Ouch!'), '')
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    except errors.VMMError as err:
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        if handler.has_warnings():
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            w_err(0, _('Warnings:'), *handler.get_warnings())
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        w_err(err.code, _('Error: %s') % err.msg)
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    except (BadOptionError, ConfigValueError) as err:
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        w_err(INVALID_ARGUMENT, _('Error: %s') % err)
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    except NoSectionError as err:
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        w_err(INVALID_ARGUMENT,
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              _("Error: Unknown section: '%s'") % err.section)
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    except NoOptionError as err:
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        w_err(INVALID_ARGUMENT,
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              _("Error: No option '%(option)s' in section: '%(section)s'") %
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              {'option': err.option, 'section': err.section})
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    if handler.has_warnings():
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        w_err(0, _('Warnings:'), *handler.get_warnings())
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    return EX_SUCCESS
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del _