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How to use _sigterm_context method in Slash

Best Python code snippet using slash

app.py

Source:app.py

...84        self._exit_stack.__enter__()85        try:86            self._exit_stack.enter_context(self._prelude_logging_context())87            self._exit_stack.enter_context(self._prelude_warning_context())88            self._exit_stack.enter_context(self._sigterm_context())89            with dessert.rewrite_assertions_context():90                site.load(working_directory=self._working_directory)91            cli_utils.configure_arg_parser_by_plugins(self.arg_parser)92            cli_utils.configure_arg_parser_by_config(self.arg_parser)93            argv = cli_utils.add_pending_plugins_from_commandline(self._get_argv())94            self._parsed_args, self._positional_args = self.arg_parser.parse_known_args(argv)95            self._exit_stack.enter_context(96                cli_utils.get_modified_configuration_from_args_context(self.arg_parser, self._parsed_args)97                )98            self.session = Session(reporter=self.get_reporter(), console_stream=self._report_stream)99            trigger_hook.configure() # pylint: disable=no-member100            plugins.manager.configure_for_parallel_mode()101            plugins.manager.activate_pending_plugins()102            cli_utils.configure_plugins_from_args(self._parsed_args)103            self._exit_stack.enter_context(self.session)104            self._emit_prelude_logs()105            self._emit_prelude_warnings()106            return self107        except:108            self._emit_prelude_logs()109            self.__exit__(*sys.exc_info())110            raise111    def __exit__(self, exc_type, exc_value, exc_tb):112        exc_info = (exc_type, exc_value, exc_tb)113        try:114            debug_if_needed(exc_info)115        except Exception as e:  # pylint: disable=broad-except116            _logger.error("Failed to debug_if_needed: {!r}", e, exc_info=True, extra={'capture': False})117        if exc_value is not None:118            self._exit_code = exc_value.code if isinstance(exc_value, SystemExit) else 1119            if should_inhibit_unhandled_exception_traceback(exc_value):120                self.get_reporter().report_error_message(str(exc_value))121            elif isinstance(exc_value, Exception):122                _logger.error('Unexpected error occurred', exc_info=exc_info, extra={'capture': False})123                self.get_reporter().report_error_message('Unexpected error: {}'.format(exc_value))124            if isinstance(exc_value, exceptions.INTERRUPTION_EXCEPTIONS):125                self._interrupted = True126        if exc_type is not None:127            trigger_hook.result_summary() # pylint: disable=no-member128        self._exit_stack.__exit__(exc_type, exc_value, exc_tb)129        self._exit_stack = None130        self._reset_parser()131        trigger_hook.app_quit()  # pylint: disable=no-member132        return True133    def _capture_native_warning(self, message, category, filename, lineno, file=None, line=None): # pylint: disable=unused-argument134        self._prelude_warning_records.append(RecordedWarning.from_native_warning(message, category, filename, lineno))135    def _prelude_logging_context(self):136        self._prelude_log_handler = log.RetainedLogHandler(bubble=True, level=logbook.TRACE)137        return self._prelude_log_handler.applicationbound()138    def _prelude_warning_context(self):139        capture_all_warnings()140        return warning_callback_context(self._capture_native_warning)141    def _emit_prelude_warnings(self):142        if self.session is not None:143            for warning in self._prelude_warning_records:144                if not self.session.warnings.warning_should_be_filtered(warning):145                    self.session.warnings.add(warning)146    def _emit_prelude_logs(self):147        self._prelude_log_handler.disable()148        handler = None149        if self.session is not None:150            handler = self.session.logging.session_log_handler151        if handler is None:152            handler = self._console_handler153        self._prelude_log_handler.flush_to_handler(handler)154    @contextmanager155    def _sigterm_context(self):156        def handle_sigterm(*_):157            with handling_exceptions():158                raise TerminatedException('Terminated by signal')159        prev = signal.signal(signal.SIGTERM, handle_sigterm)160        try:161            yield162        finally:163            try:164                signal.signal(signal.SIGTERM, prev)165            except TypeError as e:166                #workaround for a strange issue on app cleanup. See https://bugs.python.org/issue23548167                if 'signal handler must be signal.SIG_IGN' not in str(e):...

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