def main(): """Implement the "rose config" command.""" opt_parser = RoseOptionParser() opt_parser.add_my_options("default", "env_var_process_mode", "files", "keys", "meta", "meta_key", "no_ignore", "no_opts", "print_conf_mode") opts, args = opt_parser.parse_args() report = Reporter(opts.verbosity - opts.quietness) metomi.rose.macro.add_meta_paths() if opts.meta_key: opts.meta = True if opts.files and opts.meta_key: report(Exception("Cannot specify both a file and meta key.")) sys.exit(1) config_loader = ConfigLoader() sources = [] if opts.files: root_node = ConfigNode() for fname in opts.files: if fname == "-": sources.append(sys.stdin) else: if opts.meta: try: root_node = config_loader.load(fname) except ConfigSyntaxError as exc: report(exc) sys.exit(1) rel_path = os.sep.join(fname.split(os.sep)[:-1]) fpath = get_meta_path(root_node, rel_path) if fpath is None: report(MetadataNotFoundEvent(fname)) else: sources.append(fpath) else: sources.append(fname) elif opts.meta: root_node = ConfigNode() if opts.meta_key: root_node.set(["meta"], opts.meta_key) else: fname = os.path.join(os.getcwd(), metomi.rose.SUB_CONFIG_NAME) try: root_node = config_loader.load(fname) except ConfigSyntaxError as exc: report(exc) sys.exit(1) fpath = get_meta_path(root_node, meta_key=opts.meta_key) root_node.unset(["meta"]) if fpath is None: report(Exception("Metadata not found")) sys.exit(1) else: sources.append(fpath) else: root_node = ResourceLocator.default().get_conf() for source in sources: try: if opts.meta or opts.no_opts: config_loader.load(source, root_node) else: config_loader.load_with_opts(source, root_node) except (ConfigSyntaxError, IOError) as exc: report(exc) sys.exit(1) if source is sys.stdin: source.close() if opts.quietness: sys.exit(root_node.get(args, opts.no_ignore) is None) if opts.keys_mode: try: keys = list(root_node.get(args, opts.no_ignore).value) except AttributeError: sys.exit(1) keys.sort() for key in keys: print(key) sys.exit() conf_dump = ConfigDumper() if len(args) == 0: conf_dump(root_node, concat_mode=opts.print_conf_mode) sys.exit() node = root_node.get(args, opts.no_ignore) if node is not None and isinstance(node.value, dict): if opts.print_conf_mode: conf_dump(ConfigNode().set(args, node.value), concat_mode=True) sys.exit() keys = list(node.value) keys.sort() for key in keys: node_of_key = node.get([key], opts.no_ignore) if node_of_key: value = node_of_key.value state = node_of_key.state string = "%s%s=%s" % (state, key, value) lines = string.splitlines() print(lines[0]) i_equal = len(state + key) + 1 for line in lines[1:]: print(" " * i_equal + line) sys.exit() if node is None: if opts.default is None: sys.exit(1) value = opts.default elif opts.env_var_process_mode: value = env_var_process(node.value) else: value = node.value if opts.print_conf_mode: conf_dump(ConfigNode().set(args, value), concat_mode=True) else: print(value) sys.exit()
def main(): """Implement the "rose config" command.""" opt_parser = RoseOptionParser(description=''' Parse and print rose configuration files. With no option and no argument, print the rose site + user configuration. EXAMPLES # Print the value of OPTION in SECTION. rose config SECTION OPTION # Print the value of OPTION in SECTION in FILE. rose config --file=FILE SECTION OPTION # Print the value of OPTION in SECTION if exists, or VALUE otherwise. rose config --default=VALUE SECTION OPTION # Print the OPTION=VALUE pairs in SECTION. rose config SECTION # Print the value of a top level OPTION. rose config OPTION # Print the OPTION keys in SECTION. rose config --keys SECTION # Print the SECTION keys. rose config --keys # Exit with 0 if OPTION exists in SECTION, or 1 otherwise. rose config -q SECTION OPTION # Exit with 0 if SECTION exists, or 1 otherwise. rose config -q SECTION # Combine the configurations in FILE1 and FILE2, and dump the result. rose config --file=FILE1 --file=FILE2 # Print the value of OPTION in SECTION of the metadata associated with # the specified config FILE rose config --file=FILE --meta SECTION OPTION # Print the value of a specified metadata KEY rose config --meta-key=KEY ''', epilog=''' ENVIRONMENT VARIABLES optional ROSE_META_PATH Prepend `$ROSE_META_PATH` to the metadata search path. ''') opt_parser.add_my_options( "default", "env_var_process_mode", "files", "keys", "meta", "meta_key", "no_ignore", "no_opts", "print_conf_mode", ) # the quietness argument is non-standard for this command opt_parser.modify_option( 'quietness', help=("Exit with 0 if the specified `SECTION` and/or `OPTION` exist in" " the configuration, or 1 otherwise."), ) opts, args = opt_parser.parse_args() report = Reporter(opts.verbosity - opts.quietness) metomi.rose.macro.add_meta_paths() if opts.meta_key: opts.meta = True if opts.files and opts.meta_key: report(Exception("Cannot specify both a file and meta key.")) sys.exit(1) config_loader = ConfigLoader() sources = [] if opts.files: root_node = ConfigNode() for fname in opts.files: if fname == "-": sources.append(sys.stdin) else: if opts.meta: try: root_node = config_loader.load(fname) except ConfigSyntaxError as exc: report(exc) sys.exit(1) rel_path = os.sep.join(fname.split(os.sep)[:-1]) fpath = get_meta_path(root_node, rel_path) if fpath is None: report(MetadataNotFoundEvent(fname)) else: sources.append(fpath) else: sources.append(fname) elif opts.meta: root_node = ConfigNode() if opts.meta_key: root_node.set(["meta"], opts.meta_key) else: fname = os.path.join(os.getcwd(), metomi.rose.SUB_CONFIG_NAME) try: root_node = config_loader.load(fname) except ConfigSyntaxError as exc: report(exc) sys.exit(1) fpath = get_meta_path(root_node, meta_key=opts.meta_key) root_node.unset(["meta"]) if fpath is None: report(Exception("Metadata not found")) sys.exit(1) else: sources.append(fpath) else: root_node = ResourceLocator.default().get_conf() for source in sources: try: if opts.meta or opts.no_opts: config_loader.load(source, root_node) else: config_loader.load_with_opts(source, root_node) except (ConfigSyntaxError, IOError) as exc: report(exc) sys.exit(1) if source is sys.stdin: source.close() if opts.quietness: sys.exit(root_node.get(args, opts.no_ignore) is None) if opts.keys_mode: try: keys = list(root_node.get(args, opts.no_ignore).value) except AttributeError: sys.exit(1) keys.sort() for key in keys: print(key) sys.exit() conf_dump = ConfigDumper() if len(args) == 0: conf_dump(root_node, concat_mode=opts.print_conf_mode) sys.exit() node = root_node.get(args, opts.no_ignore) if node is not None and isinstance(node.value, dict): if opts.print_conf_mode: conf_dump(ConfigNode().set(args, node.value), concat_mode=True) sys.exit() keys = list(node.value) keys.sort() for key in keys: node_of_key = node.get([key], opts.no_ignore) if node_of_key: value = node_of_key.value state = node_of_key.state string = "%s%s=%s" % (state, key, value) lines = string.splitlines() print(lines[0]) i_equal = len(state + key) + 1 for line in lines[1:]: print(" " * i_equal + line) sys.exit() if node is None: if opts.default is None: sys.exit(1) value = opts.default elif opts.env_var_process_mode: value = env_var_process(node.value) else: value = node.value if opts.print_conf_mode: conf_dump(ConfigNode().set(args, value), concat_mode=True) else: print(value) sys.exit()