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Lorenzo Delgado
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Jun 7, 2018
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,225 @@ | ||
| """ | ||
| Created on June 7, 2018 | ||
| @author: Lorenzo Delgado <lorenzo.delgado@lnsd.es> | ||
| """ | ||
| from inspect import isclass | ||
| from argparse import ArgumentParser, Namespace, _SubParsersAction | ||
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| class CliCommand(object): | ||
| """ | ||
| Command line command class | ||
| """ | ||
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| def __init__(self, parser): | ||
| """ | ||
| :param parser: Root argument parser or "command" sub-parser | ||
| :type parser: :class:`.ArgumentParser` or :class:`._SubParsersAction` | ||
| """ | ||
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| # Check parser type to avoid undesired exceptions from | ||
| # :class:`.ArgumentParser`. | ||
| if isinstance(parser, ArgumentParser): | ||
| self.subparsers = parser.add_subparsers(dest="command") | ||
| elif isinstance(parser, _SubParsersAction): | ||
| self.subparsers = parser | ||
| else: | ||
| msg = "Invalid input argument type: {}" | ||
| raise TypeError(msg.format(parser)) | ||
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| @staticmethod | ||
| def execute(args): | ||
| """ | ||
| Execute the desired command actions | ||
| :param args: Command line parsed arguments | ||
| :type args: :class:`.Namespace` | ||
| """ | ||
| pass | ||
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| class ServiceCliCommand(CliCommand): | ||
| """ | ||
| Service command line base class | ||
| Extend this class to add custom arguments to the different commands | ||
| """ | ||
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| SERVICE = None | ||
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| def __init__(self, parser, service=None): | ||
| """ | ||
| :param parser: Root argument parser | ||
| :type parser: :class:`.ArgumentParser` or :class:`._SubParsersAction` | ||
| :param service: Nssm service class | ||
| :type service: :class:`type` or :class:`nssm.Service` | ||
| """ | ||
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| if service: | ||
| self.SERVICE = service | ||
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| # Check parser type to avoid undesired exceptions from `argparser`. | ||
| super(ServiceCliCommand, self).__init__(parser) | ||
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| # Service command | ||
| service_parser = self.subparsers.add_parser("service") | ||
| self.add_service_arguments(service_parser) | ||
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| # Service actions | ||
| service_subparsers = service_parser.add_subparsers(dest="action") | ||
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| # Service action: "install" | ||
| service_install_parser = service_subparsers.add_parser("install") | ||
| self.add_service_install_arguments(service_install_parser) | ||
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| # Service action: "uninstall" | ||
| service_remove_parser = service_subparsers.add_parser("remove") | ||
| service_uninstall_parser = service_subparsers.add_parser("uninstall") | ||
| self.add_service_uninstall_arguments(service_remove_parser) | ||
| self.add_service_uninstall_arguments(service_uninstall_parser) | ||
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| # Service action: "start" | ||
| service_start_parser = service_subparsers.add_parser("start") | ||
| self.add_service_start_arguments(service_start_parser) | ||
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| # Service action: "restart" | ||
| service_restart_parser = service_subparsers.add_parser("restart") | ||
| self.add_service_restart_arguments(service_restart_parser) | ||
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| # Service action: "stop" | ||
| service_stop_parser = service_subparsers.add_parser("stop") | ||
| self.add_service_stop_arguments(service_stop_parser) | ||
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| # Service action: "pause" | ||
| service_pause_parser = service_subparsers.add_parser("pause") | ||
| self.add_service_pause_arguments(service_pause_parser) | ||
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| # Service action: "resume" | ||
| service_resume_parser = service_subparsers.add_parser("resume") | ||
| self.add_service_resume_arguments(service_resume_parser) | ||
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| # Service action: "status" | ||
| service_status_parser = service_subparsers.add_parser("status") | ||
| self.add_service_status_arguments(service_status_parser) | ||
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| # Service action: "configure" | ||
| service_configure_parser = service_subparsers.add_parser("configure") | ||
| self.add_service_configure_arguments(service_configure_parser) | ||
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| # Service action: "edit" | ||
| service_edit_parser = service_subparsers.add_parser("edit") | ||
| service_nssm_parser = service_subparsers.add_parser("nssm") | ||
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| def add_service_arguments(self, parser): | ||
| """ | ||
| Override this method to add arguments to service command. | ||
| :param parser: Argument parser for service command. | ||
| :type parser: :class:`.ArgumentParser` | ||
| """ | ||
| pass | ||
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| def add_service_install_arguments(self, parser): | ||
| """ | ||
| Override this method to add arguments to service command's "install" | ||
| action. | ||
| :param parser: Argument parser for service "install" action | ||
| :type parser: :class:`.ArgumentParser` | ||
| """ | ||
| pass | ||
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| def add_service_uninstall_arguments(self, parser): | ||
| """ | ||
| Override this method to add arguments to service command's | ||
| "uninstall" action. | ||
| :param parser: Argument parser for service "uninstall" action | ||
| :type parser: :class:`.ArgumentParser` | ||
| """ | ||
| pass | ||
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| def add_service_start_arguments(self, parser): | ||
| """ | ||
| Override this method to add arguments to service command's "start" | ||
| action. | ||
| :param parser: Argument parser for service "start" action | ||
| :type parser: :class:`.ArgumentParser` | ||
| """ | ||
| pass | ||
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| def add_service_restart_arguments(self, parser): | ||
| """ | ||
| Override this method to add arguments to service command's "restart" | ||
| action. | ||
| :param parser: Argument parser for service "restart" action | ||
| :type parser: :class:`.ArgumentParser` | ||
| """ | ||
| pass | ||
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| def add_service_stop_arguments(self, parser): | ||
| """ | ||
| Override this method to add arguments to service command's "stop" | ||
| action. | ||
| :param parser: Argument parser for service "stop" action | ||
| :type parser: :class:`.ArgumentParser` | ||
| """ | ||
| pass | ||
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| def add_service_pause_arguments(self, parser): | ||
| """ | ||
| Override this method to add arguments to service command's "pause" | ||
| action. | ||
| :param parser: Argument parser for service "pause" action | ||
| :type parser: :class:`.ArgumentParser` | ||
| """ | ||
| pass | ||
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| def add_service_resume_arguments(self, parser): | ||
| """ | ||
| Override this method to add arguments to service command's "resume" | ||
| action. | ||
| :param parser: Argument parser for service "resume" action | ||
| :type parser: :class:`.ArgumentParser` | ||
| """ | ||
| pass | ||
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| def add_service_status_arguments(self, parser): | ||
| """ | ||
| Override this method to add arguments to service command's "status" | ||
| action. | ||
| :param parser: Argument parser for service "status" action | ||
| :type parser: :class:`.ArgumentParser` | ||
| """ | ||
| pass | ||
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| def add_service_configure_arguments(self, parser): | ||
| """ | ||
| Override this method to add arguments to service command's | ||
| "configure" action. | ||
| :param parser: Argument parser for service "configure" action | ||
| :type parser: :class:`.ArgumentParser` | ||
| """ | ||
| pass | ||
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| @classmethod | ||
| def edit(cls): | ||
| """ | ||
| Default implementation for "service edit/nssm" action | ||
| """ | ||
| if cls.SERVICE: | ||
| if isclass(cls.SERVICE): | ||
| cls.SERVICE()._edit() | ||
| else: | ||
| cls.SERVICE._edit() | ||
| else: | ||
| msg = 'Service not associated: {}' | ||
| raise AttributeError(msg.format(cls.SERVICE)) | ||
|
|
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