Python OptionParser.add_option方法代码示例

# 需要导入模块: from ClusterShell.CLI.OptionParser import OptionParser [as 别名]
# 或者: from ClusterShell.CLI.OptionParser.OptionParser import add_option [as 别名]
def main():
    """clush script entry point"""
    sys.excepthook = clush_excepthook

    # Default values
    nodeset_base, nodeset_exclude = NodeSet(), NodeSet()

    #
    # Argument management
    #
    usage = "%prog [options] command"

    parser = OptionParser(usage)

    parser.add_option("--nostdin", action="store_true", dest="nostdin",
                      help="don't watch for possible input from stdin")

    parser.install_nodes_options()
    parser.install_display_options(verbose_options=True)
    parser.install_filecopy_options()
    parser.install_ssh_options()

    (options, args) = parser.parse_args()

    #
    # Load config file and apply overrides
    #
    config = ClushConfig(options)

    # Should we use ANSI colors for nodes?
    if config.color == "auto":
        color = sys.stdout.isatty() and (options.gatherall or \
                                         sys.stderr.isatty())
    else:
        color = config.color == "always"

    try:
        # Create and configure display object.
        display = Display(options, config, color)
    except ValueError, exc:
        parser.error("option mismatch (%s)" % exc)

# 需要导入模块: from ClusterShell.CLI.OptionParser import OptionParser [as 别名]
# 或者: from ClusterShell.CLI.OptionParser.OptionParser import add_option [as 别名]
def main():
    """clush script entry point"""
    sys.excepthook = clush_excepthook

    #
    # Argument management
    #
    usage = "%prog [options] command"

    parser = OptionParser(usage)

    parser.add_option("-n", "--nostdin", action="store_true", dest="nostdin",
                      help="don't watch for possible input from stdin")

    parser.install_groupsconf_option()
    parser.install_clush_config_options()
    parser.install_nodes_options()
    parser.install_display_options(verbose_options=True)
    parser.install_filecopy_options()
    parser.install_connector_options()

    (options, args) = parser.parse_args()

    set_std_group_resolver_config(options.groupsconf)

    #
    # Load config file and apply overrides
    #
    config = ClushConfig(options, options.conf)

    # Initialize logging
    if config.verbosity >= VERB_DEBUG:
        logging.basicConfig(level=logging.DEBUG)
        logging.debug("clush: STARTING DEBUG")
    else:
        logging.basicConfig(level=logging.CRITICAL)

    # Should we use ANSI colors for nodes?
    if config.color == "auto":
        color = sys.stdout.isatty() and (options.gatherall or \
                                         sys.stderr.isatty())
    else:
        color = config.color == "always"

    try:
        # Create and configure display object.
        display = Display(options, config, color)
    except ValueError as exc:
        parser.error("option mismatch (%s)" % exc)

    if options.groupsource:
        # Be sure -a/g -s source work as espected.
        std_group_resolver().default_source_name = options.groupsource

    # Compute the nodeset and warn for possible use of shell pathname
    # expansion (#225)
    wnodelist = []
    xnodelist = []
    if options.nodes:
        wnodelist = [NodeSet(nodes) for nodes in options.nodes]

    if options.exclude:
        xnodelist = [NodeSet(nodes) for nodes in options.exclude]

    for (opt, nodelist) in (('w', wnodelist), ('x', xnodelist)):
        for nodes in nodelist:
            if len(nodes) == 1 and exists(str(nodes)):
                display.vprint_err(VERB_STD, "Warning: using '-%s %s' and "
                                   "local path '%s' exists, was it expanded "
                                   "by the shell?" % (opt, nodes, nodes))

    # --hostfile support (#235)
    for opt_hostfile in options.hostfile:
        try:
            fnodeset = NodeSet()
            with open(opt_hostfile) as hostfile:
                for line in hostfile.read().splitlines():
                    fnodeset.updaten(nodes for nodes in line.split())
            display.vprint_err(VERB_DEBUG,
                               "Using nodeset %s from hostfile %s"
                               % (fnodeset, opt_hostfile))
            wnodelist.append(fnodeset)
        except IOError as exc:
            # re-raise as OSError to be properly handled
            errno, strerror = exc.args
            raise OSError(errno, strerror, exc.filename)

    # Instantiate target nodeset from command line and hostfile
    nodeset_base = NodeSet.fromlist(wnodelist)
    # Instantiate filter nodeset (command line only)
    nodeset_exclude = NodeSet.fromlist(xnodelist)

    # Specified engine prevails over default engine
    DEFAULTS.engine = options.engine

    # Do we have nodes group?
    task = task_self()
    task.set_info("debug", config.verbosity >= VERB_DEBUG)
    if config.verbosity == VERB_DEBUG:
        std_group_resolver().set_verbosity(1)
#.........这里部分代码省略.........

# 需要导入模块: from ClusterShell.CLI.OptionParser import OptionParser [as 别名]
# 或者: from ClusterShell.CLI.OptionParser.OptionParser import add_option [as 别名]
def main(args=sys.argv):
    """clush script entry point"""
    sys.excepthook = clush_excepthook

    # Default values
    nodeset_base, nodeset_exclude = NodeSet(), NodeSet()

    #
    # Argument management
    #
    usage = "%prog [options] command"

    parser = OptionParser(usage)

    parser.add_option("--nostdin", action="store_true", dest="nostdin",
                      help="don't watch for possible input from stdin")

    parser.install_nodes_options()
    parser.install_display_options(verbose_options=True)
    parser.install_filecopy_options()
    parser.install_ssh_options()

    (options, args) = parser.parse_args(args[1:])

    #
    # Load config file and apply overrides
    #
    config = ClushConfig(options)

    # Should we use ANSI colors for nodes?
    if config.color == "auto":
        color = sys.stdout.isatty() and (options.gatherall or \
                                         sys.stderr.isatty())
    else:
        color = config.color == "always"

    # Create and configure display object.
    display = Display(options, config, color)

    #
    # Compute the nodeset
    #
    if options.nodes:
        nodeset_base = NodeSet.fromlist(options.nodes)
    if options.exclude:
        nodeset_exclude = NodeSet.fromlist(options.exclude)

    if options.groupsource:
        # Be sure -a/g -s source work as espected.
        STD_GROUP_RESOLVER.default_sourcename = options.groupsource

    # FIXME: add public API to enforce engine
    Task._std_default['engine'] = options.engine

    # Do we have nodes group?
    task = task_self()
    task.set_info("debug", config.verbosity > 1)
    if config.verbosity == VERB_DEBUG:
        STD_GROUP_RESOLVER.set_verbosity(1)
    if options.nodes_all:
        all_nodeset = NodeSet.fromall()
        display.vprint(VERB_DEBUG, "Adding nodes from option -a: %s" % \
                                   all_nodeset)
        nodeset_base.add(all_nodeset)

    if options.group:
        grp_nodeset = NodeSet.fromlist(options.group,
                                       resolver=NOGROUP_RESOLVER)
        for grp in grp_nodeset:
            addingrp = NodeSet("@" + grp)
            display.vprint(VERB_DEBUG, \
                "Adding nodes from option -g %s: %s" % (grp, addingrp))
            nodeset_base.update(addingrp)

    if options.exgroup:
        grp_nodeset = NodeSet.fromlist(options.exgroup,
                                       resolver=NOGROUP_RESOLVER)
        for grp in grp_nodeset:
            removingrp = NodeSet("@" + grp)
            display.vprint(VERB_DEBUG, \
                "Excluding nodes from option -X %s: %s" % (grp, removingrp))
            nodeset_exclude.update(removingrp)

    # Do we have an exclude list? (-x ...)
    nodeset_base.difference_update(nodeset_exclude)
    if len(nodeset_base) < 1:
        parser.error('No node to run on.')

    # Set open files limit.
    set_fdlimit(config.fd_max, display)

    #
    # Task management
    #
    # check for clush interactive mode
    interactive = not len(args) and \
                  not (options.copy or options.rcopy)
    # check for foreground ttys presence (input)
    stdin_isafgtty = sys.stdin.isatty() and \
        os.tcgetpgrp(sys.stdin.fileno()) == os.getpgrp()
#.........这里部分代码省略.........