def main(self, args=None): """ :param args: List of arguments, with the 'aws' removed. For example, the command "aws s3 list-objects --bucket foo" will have an args list of ``['s3', 'list-objects', '--bucket', 'foo']``. """ if args is None: args = sys.argv[1:] command_table = self._get_command_table() parser = self._create_parser(command_table) self._add_aliases(command_table, parser) parsed_args, remaining = parser.parse_known_args(args) try: # Because _handle_top_level_args emits events, it's possible # that exceptions can be raised, which should have the same # general exception handling logic as calling into the # command table. This is why it's in the try/except clause. self._handle_top_level_args(parsed_args) self._emit_session_event(parsed_args) HISTORY_RECORDER.record('CLI_VERSION', self.session.user_agent(), 'CLI') HISTORY_RECORDER.record('CLI_ARGUMENTS', args, 'CLI') return command_table[parsed_args.command](remaining, parsed_args) except UnknownArgumentError as e: sys.stderr.write("usage: %s\n" % USAGE) sys.stderr.write(str(e)) sys.stderr.write("\n") return 255 except NoRegionError as e: msg = ('%s You can also configure your region by running ' '"aws configure".' % e) self._show_error(msg) return 255 except NoCredentialsError as e: msg = ('%s. You can configure credentials by running ' '"aws configure".' % e) self._show_error(msg) return 255 except KeyboardInterrupt: # Shell standard for signals that terminate # the process is to return 128 + signum, in this case # SIGINT=2, so we'll have an RC of 130. sys.stdout.write("\n") return 128 + signal.SIGINT except Exception as e: LOG.debug("Exception caught in main()", exc_info=True) LOG.debug("Exiting with rc 255") err = get_stderr_text_writer() err.write("\n") err.write(six.text_type(e)) err.write("\n") return 255
def main(self, args=None): """ :param args: List of arguments, with the 'aws' removed. For example, the command "aws s3 list-objects --bucket foo" will have an args list of ``['s3', 'list-objects', '--bucket', 'foo']``. """ if args is None: args = sys.argv[1:] command_table = self._get_command_table() parser = self._create_parser(command_table) self._add_aliases(command_table, parser) parsed_args, remaining = parser.parse_known_args(args) try: # Because _handle_top_level_args emits events, it's possible # that exceptions can be raised, which should have the same # general exception handling logic as calling into the # command table. This is why it's in the try/except clause. self._handle_top_level_args(parsed_args) self._emit_session_event(parsed_args) HISTORY_RECORDER.record( 'CLI_VERSION', self.session.user_agent(), 'CLI') HISTORY_RECORDER.record('CLI_ARGUMENTS', args, 'CLI') return command_table[parsed_args.command](remaining, parsed_args) except UnknownArgumentError as e: sys.stderr.write("usage: %s\n" % USAGE) sys.stderr.write(str(e)) sys.stderr.write("\n") return 255 except NoRegionError as e: msg = ('%s You can also configure your region by running ' '"aws configure".' % e) self._show_error(msg) return 255 except NoCredentialsError as e: msg = ('%s. You can configure credentials by running ' '"aws configure".' % e) self._show_error(msg) return 255 except KeyboardInterrupt: # Shell standard for signals that terminate # the process is to return 128 + signum, in this case # SIGINT=2, so we'll have an RC of 130. sys.stdout.write("\n") return 128 + signal.SIGINT except Exception as e: LOG.debug("Exception caught in main()", exc_info=True) LOG.debug("Exiting with rc 255") err = get_stderr_text_writer() err.write("\n") err.write(six.text_type(e)) err.write("\n") return 255