Python distutils.cmd 模块，Command() 实例源码

def combine_commands(*commands):
    """Return a Command that combines several commands."""

    class CombinedCommand(Command):
        user_options = []

        def initialize_options(self):
            self.commands = []
            for C in commands:
                self.commands.append(C(self.distribution))
            for c in self.commands:
                c.initialize_options()

        def finalize_options(self):
            for c in self.commands:
                c.finalize_options()

        def run(self):
            for c in self.commands:
                c.run()
    return CombinedCommand

def ensure_targets(targets):
    """Return a Command that checks that certain files exist.

    Raises a ValueError if any of the files are missing.

    Note: The check is skipped if the `--skip-npm` flag is used.
    """

    class TargetsCheck(BaseCommand):
        def run(self):
            if skip_npm:
                log.info('Skipping target checks')
                return
            missing = [t for t in targets if not os.path.exists(t)]
            if missing:
                raise ValueError(('missing files: %s' % missing))

    return TargetsCheck


# `shutils.which` function copied verbatim from the Python-3.3 source.

def combine_commands(*commands):
    """Return a Command that combines several commands."""

    class CombinedCommand(Command):
        user_options = []

        def initialize_options(self):
            self.commands = []
            for C in commands:
                self.commands.append(C(self.distribution))
            for c in self.commands:
                c.initialize_options()

        def finalize_options(self):
            for c in self.commands:
                c.finalize_options()

        def run(self):
            for c in self.commands:
                c.run()
    return CombinedCommand

def ensure_targets(targets):
    """Return a Command that checks that certain files exist.

    Raises a ValueError if any of the files are missing.

    Note: The check is skipped if the `--skip-npm` flag is used.
    """

    class TargetsCheck(BaseCommand):
        def run(self):
            if skip_npm:
                log.info('Skipping target checks')
                return
            missing = [t for t in targets if not os.path.exists(t)]
            if missing:
                raise ValueError(('missing files: %s' % missing))

    return TargetsCheck


# `shutils.which` function copied verbatim from the Python-3.3 source.

def finalize_options(self):
        """Set final values for all the options on the Distribution
        instance, analogous to the .finalize_options() method of Command
        objects.
        """
        for attr in ('keywords', 'platforms'):
            value = getattr(self.metadata, attr)
            if value is None:
                continue
            if isinstance(value, str):
                value = [elm.strip() for elm in value.split(',')]
                setattr(self.metadata, attr, value)

def get_command_list(self):
        """Get a list of (command, description) tuples.
        The list is divided into "standard commands" (listed in
        distutils.command.__all__) and "extra commands" (mentioned in
        self.cmdclass, but not a standard command).  The descriptions come
        from the command class attribute 'description'.
        """
        # Currently this is only used on Mac OS, for the Mac-only GUI
        # Distutils interface (by Jack Jansen)

        import distutils.command
        std_commands = distutils.command.__all__
        is_std = {}
        for cmd in std_commands:
            is_std[cmd] = 1

        extra_commands = []
        for cmd in self.cmdclass.keys():
            if not is_std.get(cmd):
                extra_commands.append(cmd)

        rv = []
        for cmd in (std_commands + extra_commands):
            klass = self.cmdclass.get(cmd)
            if not klass:
                klass = self.get_command_class(cmd)
            try:
                description = klass.description
            except AttributeError:
                description = "(no description available)"
            rv.append((cmd, description))
        return rv

    # -- Command class/object methods ----------------------------------

def finalize_options(self):
        """Set final values for all the options on the Distribution
        instance, analogous to the .finalize_options() method of Command
        objects.
        """
        for attr in ('keywords', 'platforms'):
            value = getattr(self.metadata, attr)
            if value is None:
                continue
            if isinstance(value, str):
                value = [elm.strip() for elm in value.split(',')]
                setattr(self.metadata, attr, value)

def get_command_list(self):
        """Get a list of (command, description) tuples.
        The list is divided into "standard commands" (listed in
        distutils.command.__all__) and "extra commands" (mentioned in
        self.cmdclass, but not a standard command).  The descriptions come
        from the command class attribute 'description'.
        """
        # Currently this is only used on Mac OS, for the Mac-only GUI
        # Distutils interface (by Jack Jansen)

        import distutils.command
        std_commands = distutils.command.__all__
        is_std = {}
        for cmd in std_commands:
            is_std[cmd] = 1

        extra_commands = []
        for cmd in self.cmdclass.keys():
            if not is_std.get(cmd):
                extra_commands.append(cmd)

        rv = []
        for cmd in (std_commands + extra_commands):
            klass = self.cmdclass.get(cmd)
            if not klass:
                klass = self.get_command_class(cmd)
            try:
                description = klass.description
            except AttributeError:
                description = "(no description available)"
            rv.append((cmd, description))
        return rv

    # -- Command class/object methods ----------------------------------

def finalize_options(self):
        """Set final values for all the options on the Distribution
        instance, analogous to the .finalize_options() method of Command
        objects.
        """
        for attr in ('keywords', 'platforms'):
            value = getattr(self.metadata, attr)
            if value is None:
                continue
            if isinstance(value, str):
                value = [elm.strip() for elm in value.split(',')]
                setattr(self.metadata, attr, value)

def get_command_list(self):
        """Get a list of (command, description) tuples.
        The list is divided into "standard commands" (listed in
        distutils.command.__all__) and "extra commands" (mentioned in
        self.cmdclass, but not a standard command).  The descriptions come
        from the command class attribute 'description'.
        """
        # Currently this is only used on Mac OS, for the Mac-only GUI
        # Distutils interface (by Jack Jansen)

        import distutils.command
        std_commands = distutils.command.__all__
        is_std = {}
        for cmd in std_commands:
            is_std[cmd] = 1

        extra_commands = []
        for cmd in self.cmdclass.keys():
            if not is_std.get(cmd):
                extra_commands.append(cmd)

        rv = []
        for cmd in (std_commands + extra_commands):
            klass = self.cmdclass.get(cmd)
            if not klass:
                klass = self.get_command_class(cmd)
            try:
                description = klass.description
            except AttributeError:
                description = "(no description available)"
            rv.append((cmd, description))
        return rv

    # -- Command class/object methods ----------------------------------

def finalize_options(self):
        """Set final values for all the options on the Distribution
        instance, analogous to the .finalize_options() method of Command
        objects.
        """
        for attr in ('keywords', 'platforms'):
            value = getattr(self.metadata, attr)
            if value is None:
                continue
            if isinstance(value, str):
                value = [elm.strip() for elm in value.split(',')]
                setattr(self.metadata, attr, value)

def get_command_list(self):
        """Get a list of (command, description) tuples.
        The list is divided into "standard commands" (listed in
        distutils.command.__all__) and "extra commands" (mentioned in
        self.cmdclass, but not a standard command).  The descriptions come
        from the command class attribute 'description'.
        """
        # Currently this is only used on Mac OS, for the Mac-only GUI
        # Distutils interface (by Jack Jansen)

        import distutils.command
        std_commands = distutils.command.__all__
        is_std = {}
        for cmd in std_commands:
            is_std[cmd] = 1

        extra_commands = []
        for cmd in self.cmdclass.keys():
            if not is_std.get(cmd):
                extra_commands.append(cmd)

        rv = []
        for cmd in (std_commands + extra_commands):
            klass = self.cmdclass.get(cmd)
            if not klass:
                klass = self.get_command_class(cmd)
            try:
                description = klass.description
            except AttributeError:
                description = "(no description available)"
            rv.append((cmd, description))
        return rv

    # -- Command class/object methods ----------------------------------

def finalize_options(self):
        """Set final values for all the options on the Distribution
        instance, analogous to the .finalize_options() method of Command
        objects.
        """
        for attr in ('keywords', 'platforms'):
            value = getattr(self.metadata, attr)
            if value is None:
                continue
            if isinstance(value, str):
                value = [elm.strip() for elm in value.split(',')]
                setattr(self.metadata, attr, value)

def get_command_list(self):
        """Get a list of (command, description) tuples.
        The list is divided into "standard commands" (listed in
        distutils.command.__all__) and "extra commands" (mentioned in
        self.cmdclass, but not a standard command).  The descriptions come
        from the command class attribute 'description'.
        """
        # Currently this is only used on Mac OS, for the Mac-only GUI
        # Distutils interface (by Jack Jansen)

        import distutils.command
        std_commands = distutils.command.__all__
        is_std = {}
        for cmd in std_commands:
            is_std[cmd] = 1

        extra_commands = []
        for cmd in self.cmdclass.keys():
            if not is_std.get(cmd):
                extra_commands.append(cmd)

        rv = []
        for cmd in (std_commands + extra_commands):
            klass = self.cmdclass.get(cmd)
            if not klass:
                klass = self.get_command_class(cmd)
            try:
                description = klass.description
            except AttributeError:
                description = "(no description available)"
            rv.append((cmd, description))
        return rv

    # -- Command class/object methods ----------------------------------

def build_rust_cmdclass(cargo_toml_path, debug=False,
                        extra_cargo_args=None, quiet=False):
    """
    Args:
        cargo_toml_path (str)   The path to the cargo.toml manifest
                                (--manifest)
        debug (boolean)         Controls whether --debug or --release is
                                passed to cargo.
        extra_carg_args (list)  A list of extra argumenents to be passed to
                                cargo.
        quiet (boolean)         If True, doesn't echo cargo's output.
    Returns:
        A Command subclass suitable for passing to the cmdclass argument
        of distutils.
    """

    # Manufacture a once-off command class here and set the params on it as
    # class members, which it can retrieve later in initialize_options.
    # This is clumsy, but distutils doesn't give you an appropriate
    # hook for passing params to custom command classes (and it does the
    # instantiation).

    _args = locals()

    class RustBuildCommand_Impl(RustBuildCommand):
        args = _args

    return RustBuildCommand_Impl

def finalize_options(self):
        """Set final values for all the options on the Distribution
        instance, analogous to the .finalize_options() method of Command
        objects.
        """
        for attr in ('keywords', 'platforms'):
            value = getattr(self.metadata, attr)
            if value is None:
                continue
            if isinstance(value, str):
                value = [elm.strip() for elm in value.split(',')]
                setattr(self.metadata, attr, value)

def get_command_list(self):
        """Get a list of (command, description) tuples.
        The list is divided into "standard commands" (listed in
        distutils.command.__all__) and "extra commands" (mentioned in
        self.cmdclass, but not a standard command).  The descriptions come
        from the command class attribute 'description'.
        """
        # Currently this is only used on Mac OS, for the Mac-only GUI
        # Distutils interface (by Jack Jansen)

        import distutils.command
        std_commands = distutils.command.__all__
        is_std = {}
        for cmd in std_commands:
            is_std[cmd] = 1

        extra_commands = []
        for cmd in self.cmdclass.keys():
            if not is_std.get(cmd):
                extra_commands.append(cmd)

        rv = []
        for cmd in (std_commands + extra_commands):
            klass = self.cmdclass.get(cmd)
            if not klass:
                klass = self.get_command_class(cmd)
            try:
                description = klass.description
            except AttributeError:
                description = "(no description available)"
            rv.append((cmd, description))
        return rv

    # -- Command class/object methods ----------------------------------

def finalize_options(self):
        """Set final values for all the options on the Distribution
        instance, analogous to the .finalize_options() method of Command
        objects.
        """
        for attr in ('keywords', 'platforms'):
            value = getattr(self.metadata, attr)
            if value is None:
                continue
            if isinstance(value, str):
                value = [elm.strip() for elm in value.split(',')]
                setattr(self.metadata, attr, value)

def get_command_list(self):
        """Get a list of (command, description) tuples.
        The list is divided into "standard commands" (listed in
        distutils.command.__all__) and "extra commands" (mentioned in
        self.cmdclass, but not a standard command).  The descriptions come
        from the command class attribute 'description'.
        """
        # Currently this is only used on Mac OS, for the Mac-only GUI
        # Distutils interface (by Jack Jansen)
        import distutils.command
        std_commands = distutils.command.__all__
        is_std = {}
        for cmd in std_commands:
            is_std[cmd] = 1

        extra_commands = []
        for cmd in self.cmdclass.keys():
            if not is_std.get(cmd):
                extra_commands.append(cmd)

        rv = []
        for cmd in (std_commands + extra_commands):
            klass = self.cmdclass.get(cmd)
            if not klass:
                klass = self.get_command_class(cmd)
            try:
                description = klass.description
            except AttributeError:
                description = "(no description available)"
            rv.append((cmd, description))
        return rv

    # -- Command class/object methods ----------------------------------

def finalize_options(self):
        """Set final values for all the options on the Distribution
        instance, analogous to the .finalize_options() method of Command
        objects.
        """
        for attr in ('keywords', 'platforms'):
            value = getattr(self.metadata, attr)
            if value is None:
                continue
            if isinstance(value, str):
                value = [elm.strip() for elm in value.split(',')]
                setattr(self.metadata, attr, value)

def get_command_list(self):
        """Get a list of (command, description) tuples.
        The list is divided into "standard commands" (listed in
        distutils.command.__all__) and "extra commands" (mentioned in
        self.cmdclass, but not a standard command).  The descriptions come
        from the command class attribute 'description'.
        """
        # Currently this is only used on Mac OS, for the Mac-only GUI
        # Distutils interface (by Jack Jansen)

        import distutils.command
        std_commands = distutils.command.__all__
        is_std = {}
        for cmd in std_commands:
            is_std[cmd] = 1

        extra_commands = []
        for cmd in self.cmdclass.keys():
            if not is_std.get(cmd):
                extra_commands.append(cmd)

        rv = []
        for cmd in (std_commands + extra_commands):
            klass = self.cmdclass.get(cmd)
            if not klass:
                klass = self.get_command_class(cmd)
            try:
                description = klass.description
            except AttributeError:
                description = "(no description available)"
            rv.append((cmd, description))
        return rv

    # -- Command class/object methods ----------------------------------

def finalize_options(self):
        """Set final values for all the options on the Distribution
        instance, analogous to the .finalize_options() method of Command
        objects.
        """
        for attr in ('keywords', 'platforms'):
            value = getattr(self.metadata, attr)
            if value is None:
                continue
            if isinstance(value, str):
                value = [elm.strip() for elm in value.split(',')]
                setattr(self.metadata, attr, value)

def get_command_list(self):
        """Get a list of (command, description) tuples.
        The list is divided into "standard commands" (listed in
        distutils.command.__all__) and "extra commands" (mentioned in
        self.cmdclass, but not a standard command).  The descriptions come
        from the command class attribute 'description'.
        """
        # Currently this is only used on Mac OS, for the Mac-only GUI
        # Distutils interface (by Jack Jansen)

        import distutils.command
        std_commands = distutils.command.__all__
        is_std = {}
        for cmd in std_commands:
            is_std[cmd] = 1

        extra_commands = []
        for cmd in self.cmdclass.keys():
            if not is_std.get(cmd):
                extra_commands.append(cmd)

        rv = []
        for cmd in (std_commands + extra_commands):
            klass = self.cmdclass.get(cmd)
            if not klass:
                klass = self.get_command_class(cmd)
            try:
                description = klass.description
            except AttributeError:
                description = "(no description available)"
            rv.append((cmd, description))
        return rv

    # -- Command class/object methods ----------------------------------

def finalize_options(self):
        """Set final values for all the options on the Distribution
        instance, analogous to the .finalize_options() method of Command
        objects.
        """
        for attr in ('keywords', 'platforms'):
            value = getattr(self.metadata, attr)
            if value is None:
                continue
            if isinstance(value, str):
                value = [elm.strip() for elm in value.split(',')]
                setattr(self.metadata, attr, value)

def get_command_list(self):
        """Get a list of (command, description) tuples.
        The list is divided into "standard commands" (listed in
        distutils.command.__all__) and "extra commands" (mentioned in
        self.cmdclass, but not a standard command).  The descriptions come
        from the command class attribute 'description'.
        """
        # Currently this is only used on Mac OS, for the Mac-only GUI
        # Distutils interface (by Jack Jansen)
        import distutils.command
        std_commands = distutils.command.__all__
        is_std = {}
        for cmd in std_commands:
            is_std[cmd] = 1

        extra_commands = []
        for cmd in self.cmdclass.keys():
            if not is_std.get(cmd):
                extra_commands.append(cmd)

        rv = []
        for cmd in (std_commands + extra_commands):
            klass = self.cmdclass.get(cmd)
            if not klass:
                klass = self.get_command_class(cmd)
            try:
                description = klass.description
            except AttributeError:
                description = "(no description available)"
            rv.append((cmd, description))
        return rv

    # -- Command class/object methods ----------------------------------

def routerConfig(
    obj, deviceType, prompt, timeout, protocol, asNum, routerArg1,
    routerArg2, routerArg3, routerArg4, routerArg5, routerArg6, routerArg7,
        routerArg8):
    retVal = ""
    # Wait time to get response from server
    timeout = timeout
    if(protocol == "bgp"):
        # bgp config command happens here.
        command = "routing-protocol bgp "
        value = checkSanityofVariable(deviceType, "bgp_as_number", asNum)
        if(value == "ok"):
            # BGP command happens here. It creates if not present
            command = command + asNum + "\n"
            # debugOutput(command)
            retVal = waitForDeviceResponse(
                command, "(config-router)#", timeout, obj)
            retVal = retVal + bgpConfig(
                obj, deviceType, "(config-router)#", timeout, routerArg1,
                routerArg2, routerArg3, routerArg4, routerArg5, routerArg6,
                routerArg7, routerArg8)
        else:
            retVal = "Error-176"

    elif(protocol == "ospf"):
        retVal = "Command Value is Not supported as of now"

    else:
        retVal = "Error-177"

    return retVal
# EOM

def run_cmd(args, swdir, updenv=None, ignerr=False, savestderr=None):
                if updenv:
                        # use temp environment modified with the given dict
                        env = os.environ.copy()
                        env.update(updenv)
                else:
                        # just use environment of this (parent) process as is
                        env = os.environ
                if ignerr:
                        # send stderr to devnull
                        stderr = open(os.devnull)
                elif savestderr:
                        stderr = savestderr
                else:
                        # just use stderr of this (parent) process
                        stderr = None
                ret = subprocess.Popen(args, cwd=swdir, env=env,
                    stderr=stderr).wait()
                if ret != 0:
                        if stderr:
                            stderr.close()
                        print("install failed and returned {0:d}.".format(ret),
                            file=sys.stderr)
                        print("Command was: {0}".format(" ".join(args)),
                            file=sys.stderr)

                        sys.exit(1)
                if stderr:
                        stderr.close()

def parse_config_files(self, filenames=None):
        from ConfigParser import ConfigParser

        if filenames is None:
            filenames = self.find_config_files()

        if DEBUG:
            self.announce("Distribution.parse_config_files():")

        parser = ConfigParser()
        for filename in filenames:
            if DEBUG:
                self.announce("  reading %s" % filename)
            parser.read(filename)
            for section in parser.sections():
                options = parser.options(section)
                opt_dict = self.get_option_dict(section)

                for opt in options:
                    if opt != '__name__':
                        val = parser.get(section,opt)
                        opt = opt.replace('-', '_')
                        opt_dict[opt] = (filename, val)

            # Make the ConfigParser forget everything (so we retain
            # the original filenames that options come from)
            parser.__init__()

        # If there was a "global" section in the config file, use it
        # to set Distribution options.

        if 'global' in self.command_options:
            for (opt, (src, val)) in self.command_options['global'].items():
                alias = self.negative_opt.get(opt)
                try:
                    if alias:
                        setattr(self, alias, not strtobool(val))
                    elif opt in ('verbose', 'dry_run'): # ugh!
                        setattr(self, opt, strtobool(val))
                    else:
                        setattr(self, opt, val)
                except ValueError, msg:
                    raise DistutilsOptionError, msg

    # -- Command-line parsing methods ----------------------------------

def _show_help(self, parser, global_options=1, display_options=1,
                   commands=[]):
        """Show help for the setup script command-line in the form of
        several lists of command-line options.  'parser' should be a
        FancyGetopt instance; do not expect it to be returned in the
        same state, as its option table will be reset to make it
        generate the correct help text.

        If 'global_options' is true, lists the global options:
        --verbose, --dry-run, etc.  If 'display_options' is true, lists
        the "display-only" options: --name, --version, etc.  Finally,
        lists per-command help for every command name or command class
        in 'commands'.
        """
        # late import because of mutual dependence between these modules
        from distutils.core import gen_usage
        from distutils.cmd import Command

        if global_options:
            if display_options:
                options = self._get_toplevel_options()
            else:
                options = self.global_options
            parser.set_option_table(options)
            parser.print_help(self.common_usage + "\nGlobal options:")
            print('')

        if display_options:
            parser.set_option_table(self.display_options)
            parser.print_help(
                "Information display options (just display " +
                "information, ignore any commands)")
            print('')

        for command in self.commands:
            if isinstance(command, type) and issubclass(command, Command):
                klass = command
            else:
                klass = self.get_command_class(command)
            if (hasattr(klass, 'help_options') and
                isinstance(klass.help_options, list)):
                parser.set_option_table(klass.user_options +
                                        fix_help_options(klass.help_options))
            else:
                parser.set_option_table(klass.user_options)
            parser.print_help("Options for '%s' command:" % klass.__name__)
            print('')

        print(gen_usage(self.script_name))

def _set_command_options(self, command_obj, option_dict=None):
        """Set the options for 'command_obj' from 'option_dict'.  Basically
        this means copying elements of a dictionary ('option_dict') to
        attributes of an instance ('command').

        'command_obj' must be a Command instance.  If 'option_dict' is not
        supplied, uses the standard option dictionary for this command
        (from 'self.command_options').
        """
        command_name = command_obj.get_command_name()
        if option_dict is None:
            option_dict = self.get_option_dict(command_name)

        if DEBUG:
            self.announce("  setting options for '%s' command:" % command_name)
        for (option, (source, value)) in option_dict.items():
            if DEBUG:
                self.announce("    %s = %s (from %s)" % (option, value,
                                                         source))
            try:
                bool_opts = map(translate_longopt, command_obj.boolean_options)
            except AttributeError:
                bool_opts = []
            try:
                neg_opt = command_obj.negative_opt
            except AttributeError:
                neg_opt = {}

            try:
                is_string = isinstance(value, str)
                if option in neg_opt and is_string:
                    setattr(command_obj, neg_opt[option], not strtobool(value))
                elif option in bool_opts and is_string:
                    setattr(command_obj, option, strtobool(value))
                elif hasattr(command_obj, option):
                    setattr(command_obj, option, value)
                else:
                    raise DistutilsOptionError, \
                          ("error in %s: command '%s' has no such option '%s'"
                           % (source, command_name, option))
            except ValueError, msg:
                raise DistutilsOptionError, msg

def parse_config_files(self, filenames=None):
        from ConfigParser import ConfigParser

        if filenames is None:
            filenames = self.find_config_files()

        if DEBUG:
            self.announce("Distribution.parse_config_files():")

        parser = ConfigParser()
        for filename in filenames:
            if DEBUG:
                self.announce("  reading %s" % filename)
            parser.read(filename)
            for section in parser.sections():
                options = parser.options(section)
                opt_dict = self.get_option_dict(section)

                for opt in options:
                    if opt != '__name__':
                        val = parser.get(section,opt)
                        opt = opt.replace('-', '_')
                        opt_dict[opt] = (filename, val)

            # Make the ConfigParser forget everything (so we retain
            # the original filenames that options come from)
            parser.__init__()

        # If there was a "global" section in the config file, use it
        # to set Distribution options.

        if 'global' in self.command_options:
            for (opt, (src, val)) in self.command_options['global'].items():
                alias = self.negative_opt.get(opt)
                try:
                    if alias:
                        setattr(self, alias, not strtobool(val))
                    elif opt in ('verbose', 'dry_run'): # ugh!
                        setattr(self, opt, strtobool(val))
                    else:
                        setattr(self, opt, val)
                except ValueError, msg:
                    raise DistutilsOptionError, msg

    # -- Command-line parsing methods ----------------------------------

def _show_help(self, parser, global_options=1, display_options=1,
                   commands=[]):
        """Show help for the setup script command-line in the form of
        several lists of command-line options.  'parser' should be a
        FancyGetopt instance; do not expect it to be returned in the
        same state, as its option table will be reset to make it
        generate the correct help text.

        If 'global_options' is true, lists the global options:
        --verbose, --dry-run, etc.  If 'display_options' is true, lists
        the "display-only" options: --name, --version, etc.  Finally,
        lists per-command help for every command name or command class
        in 'commands'.
        """
        # late import because of mutual dependence between these modules
        from distutils.core import gen_usage
        from distutils.cmd import Command

        if global_options:
            if display_options:
                options = self._get_toplevel_options()
            else:
                options = self.global_options
            parser.set_option_table(options)
            parser.print_help(self.common_usage + "\nGlobal options:")
            print('')

        if display_options:
            parser.set_option_table(self.display_options)
            parser.print_help(
                "Information display options (just display " +
                "information, ignore any commands)")
            print('')

        for command in self.commands:
            if isinstance(command, type) and issubclass(command, Command):
                klass = command
            else:
                klass = self.get_command_class(command)
            if (hasattr(klass, 'help_options') and
                isinstance(klass.help_options, list)):
                parser.set_option_table(klass.user_options +
                                        fix_help_options(klass.help_options))
            else:
                parser.set_option_table(klass.user_options)
            parser.print_help("Options for '%s' command:" % klass.__name__)
            print('')

        print(gen_usage(self.script_name))

def _set_command_options(self, command_obj, option_dict=None):
        """Set the options for 'command_obj' from 'option_dict'.  Basically
        this means copying elements of a dictionary ('option_dict') to
        attributes of an instance ('command').

        'command_obj' must be a Command instance.  If 'option_dict' is not
        supplied, uses the standard option dictionary for this command
        (from 'self.command_options').
        """
        command_name = command_obj.get_command_name()
        if option_dict is None:
            option_dict = self.get_option_dict(command_name)

        if DEBUG:
            self.announce("  setting options for '%s' command:" % command_name)
        for (option, (source, value)) in option_dict.items():
            if DEBUG:
                self.announce("    %s = %s (from %s)" % (option, value,
                                                         source))
            try:
                bool_opts = map(translate_longopt, command_obj.boolean_options)
            except AttributeError:
                bool_opts = []
            try:
                neg_opt = command_obj.negative_opt
            except AttributeError:
                neg_opt = {}

            try:
                is_string = isinstance(value, str)
                if option in neg_opt and is_string:
                    setattr(command_obj, neg_opt[option], not strtobool(value))
                elif option in bool_opts and is_string:
                    setattr(command_obj, option, strtobool(value))
                elif hasattr(command_obj, option):
                    setattr(command_obj, option, value)
                else:
                    raise DistutilsOptionError, \
                          ("error in %s: command '%s' has no such option '%s'"
                           % (source, command_name, option))
            except ValueError, msg:
                raise DistutilsOptionError, msg

def create_cmdclass(prerelease_cmd=None, package_data_spec=None,
        data_files_spec=None):
    """Create a command class with the given optional prerelease class.

    Parameters
    ----------
    prerelease_cmd: (name, Command) tuple, optional
        The command to run before releasing.
    package_data_spec: dict, optional
        A dictionary whose keys are the dotted package names and
        whose values are a list of glob patterns.
    data_files_spec: list, optional
        A list of (path, patterns) tuples where the path is the
        `data_files` install path and the patterns are glob patterns.

    Notes
    -----
    We use specs so that we can find the files *after* the build
    command has run.

    The package data glob patterns should be relative paths from the package
    folder containing the __init__.py file, which is given as the package
    name.
    e.g. `dict(foo=['./bar/*', './baz/**'])`

    The data files glob patterns should be absolute paths or relative paths
    from the root directory of the repository.
    e.g. `('share/foo/bar', ['pkgname/bizz/*', 'pkgname/baz/**'])`
    """
    wrapped = [prerelease_cmd] if prerelease_cmd else []
    if package_data_spec or data_files_spec:
        wrapped.append('handle_files')
    wrapper = functools.partial(_wrap_command, wrapped)
    handle_files = _get_file_handler(package_data_spec, data_files_spec)

    if 'bdist_egg' in sys.argv:
        egg = wrapper(bdist_egg, strict=True)
    else:
        egg = bdist_egg_disabled

    cmdclass = dict(
        build_py=wrapper(build_py, strict=is_repo),
        bdist_egg=egg,
        sdist=wrapper(sdist, strict=True),
        handle_files=handle_files,
    )

    if bdist_wheel:
        cmdclass['bdist_wheel'] = wrapper(bdist_wheel, strict=True)

    cmdclass['develop'] = wrapper(develop, strict=True)
    return cmdclass

def install_npm(path=None, build_dir=None, source_dir=None, build_cmd='build', force=False, npm=None):
    """Return a Command for managing an npm installation.

    Note: The command is skipped if the `--skip-npm` flag is used.

    Parameters
    ----------
    path: str, optional
        The base path of the node package.  Defaults to the repo root.
    build_dir: str, optional
        The target build directory.  If this and source_dir are given,
        the JavaScript will only be build if necessary.
    source_dir: str, optional
        The source code directory.
    build_cmd: str, optional
        The npm command to build assets to the build_dir.
    npm: str or list, optional.
        The npm executable name, or a tuple of ['node', executable].
    """

    class NPM(BaseCommand):
        description = 'install package.json dependencies using npm'

        def run(self):
            if skip_npm:
                log.info('Skipping npm-installation')
                return
            node_package = path or HERE
            node_modules = pjoin(node_package, 'node_modules')
            is_yarn = os.path.exists(pjoin(node_package, 'yarn.lock'))

            npm_cmd = npm

            if npm is None:
                if is_yarn:
                    npm_cmd = ['yarn']
                else:
                    npm_cmd = ['npm']

            if not which(npm_cmd[0]):
                log.error("`{0}` unavailable.  If you're running this command "
                          "using sudo, make sure `{0}` is availble to sudo"
                          .format(npm_cmd[0]))
                return

            if force or is_stale(node_modules, pjoin(node_package, 'package.json')):
                log.info('Installing build dependencies with npm.  This may '
                         'take a while...')
                run(npm_cmd + ['install'], cwd=node_package)
            if build_dir and source_dir and not force:
                should_build = is_stale(build_dir, source_dir)
            else:
                should_build = True
            if should_build:
                run(npm_cmd + ['run', build_cmd], cwd=node_package)

    return NPM

def parse_config_files(self, filenames=None):
        from ConfigParser import ConfigParser

        if filenames is None:
            filenames = self.find_config_files()

        if DEBUG:
            self.announce("Distribution.parse_config_files():")

        parser = ConfigParser()
        for filename in filenames:
            if DEBUG:
                self.announce("  reading %s" % filename)
            parser.read(filename)
            for section in parser.sections():
                options = parser.options(section)
                opt_dict = self.get_option_dict(section)

                for opt in options:
                    if opt != '__name__':
                        val = parser.get(section,opt)
                        opt = opt.replace('-', '_')
                        opt_dict[opt] = (filename, val)

            # Make the ConfigParser forget everything (so we retain
            # the original filenames that options come from)
            parser.__init__()

        # If there was a "global" section in the config file, use it
        # to set Distribution options.

        if 'global' in self.command_options:
            for (opt, (src, val)) in self.command_options['global'].items():
                alias = self.negative_opt.get(opt)
                try:
                    if alias:
                        setattr(self, alias, not strtobool(val))
                    elif opt in ('verbose', 'dry_run'): # ugh!
                        setattr(self, opt, strtobool(val))
                    else:
                        setattr(self, opt, val)
                except ValueError, msg:
                    raise DistutilsOptionError, msg

    # -- Command-line parsing methods ----------------------------------

def _show_help(self, parser, global_options=1, display_options=1,
                   commands=[]):
        """Show help for the setup script command-line in the form of
        several lists of command-line options.  'parser' should be a
        FancyGetopt instance; do not expect it to be returned in the
        same state, as its option table will be reset to make it
        generate the correct help text.

        If 'global_options' is true, lists the global options:
        --verbose, --dry-run, etc.  If 'display_options' is true, lists
        the "display-only" options: --name, --version, etc.  Finally,
        lists per-command help for every command name or command class
        in 'commands'.
        """
        # late import because of mutual dependence between these modules
        from distutils.core import gen_usage
        from distutils.cmd import Command

        if global_options:
            if display_options:
                options = self._get_toplevel_options()
            else:
                options = self.global_options
            parser.set_option_table(options)
            parser.print_help(self.common_usage + "\nGlobal options:")
            print('')

        if display_options:
            parser.set_option_table(self.display_options)
            parser.print_help(
                "Information display options (just display " +
                "information, ignore any commands)")
            print('')

        for command in self.commands:
            if isinstance(command, type) and issubclass(command, Command):
                klass = command
            else:
                klass = self.get_command_class(command)
            if (hasattr(klass, 'help_options') and
                isinstance(klass.help_options, list)):
                parser.set_option_table(klass.user_options +
                                        fix_help_options(klass.help_options))
            else:
                parser.set_option_table(klass.user_options)
            parser.print_help("Options for '%s' command:" % klass.__name__)
            print('')

        print(gen_usage(self.script_name))

def _set_command_options(self, command_obj, option_dict=None):
        """Set the options for 'command_obj' from 'option_dict'.  Basically
        this means copying elements of a dictionary ('option_dict') to
        attributes of an instance ('command').

        'command_obj' must be a Command instance.  If 'option_dict' is not
        supplied, uses the standard option dictionary for this command
        (from 'self.command_options').
        """
        command_name = command_obj.get_command_name()
        if option_dict is None:
            option_dict = self.get_option_dict(command_name)

        if DEBUG:
            self.announce("  setting options for '%s' command:" % command_name)
        for (option, (source, value)) in option_dict.items():
            if DEBUG:
                self.announce("    %s = %s (from %s)" % (option, value,
                                                         source))
            try:
                bool_opts = map(translate_longopt, command_obj.boolean_options)
            except AttributeError:
                bool_opts = []
            try:
                neg_opt = command_obj.negative_opt
            except AttributeError:
                neg_opt = {}

            try:
                is_string = isinstance(value, str)
                if option in neg_opt and is_string:
                    setattr(command_obj, neg_opt[option], not strtobool(value))
                elif option in bool_opts and is_string:
                    setattr(command_obj, option, strtobool(value))
                elif hasattr(command_obj, option):
                    setattr(command_obj, option, value)
                else:
                    raise DistutilsOptionError, \
                          ("error in %s: command '%s' has no such option '%s'"
                           % (source, command_name, option))
            except ValueError, msg:
                raise DistutilsOptionError, msg

def parse_config_files(self, filenames=None):
        from ConfigParser import ConfigParser

        if filenames is None:
            filenames = self.find_config_files()

        if DEBUG:
            self.announce("Distribution.parse_config_files():")

        parser = ConfigParser()
        for filename in filenames:
            if DEBUG:
                self.announce("  reading %s" % filename)
            parser.read(filename)
            for section in parser.sections():
                options = parser.options(section)
                opt_dict = self.get_option_dict(section)

                for opt in options:
                    if opt != '__name__':
                        val = parser.get(section,opt)
                        opt = opt.replace('-', '_')
                        opt_dict[opt] = (filename, val)

            # Make the ConfigParser forget everything (so we retain
            # the original filenames that options come from)
            parser.__init__()

        # If there was a "global" section in the config file, use it
        # to set Distribution options.

        if 'global' in self.command_options:
            for (opt, (src, val)) in self.command_options['global'].items():
                alias = self.negative_opt.get(opt)
                try:
                    if alias:
                        setattr(self, alias, not strtobool(val))
                    elif opt in ('verbose', 'dry_run'): # ugh!
                        setattr(self, opt, strtobool(val))
                    else:
                        setattr(self, opt, val)
                except ValueError, msg:
                    raise DistutilsOptionError, msg

    # -- Command-line parsing methods ----------------------------------

def _show_help(self, parser, global_options=1, display_options=1,
                   commands=[]):
        """Show help for the setup script command-line in the form of
        several lists of command-line options.  'parser' should be a
        FancyGetopt instance; do not expect it to be returned in the
        same state, as its option table will be reset to make it
        generate the correct help text.

        If 'global_options' is true, lists the global options:
        --verbose, --dry-run, etc.  If 'display_options' is true, lists
        the "display-only" options: --name, --version, etc.  Finally,
        lists per-command help for every command name or command class
        in 'commands'.
        """
        # late import because of mutual dependence between these modules
        from distutils.core import gen_usage
        from distutils.cmd import Command

        if global_options:
            if display_options:
                options = self._get_toplevel_options()
            else:
                options = self.global_options
            parser.set_option_table(options)
            parser.print_help(self.common_usage + "\nGlobal options:")
            print('')

        if display_options:
            parser.set_option_table(self.display_options)
            parser.print_help(
                "Information display options (just display " +
                "information, ignore any commands)")
            print('')

        for command in self.commands:
            if isinstance(command, type) and issubclass(command, Command):
                klass = command
            else:
                klass = self.get_command_class(command)
            if (hasattr(klass, 'help_options') and
                isinstance(klass.help_options, list)):
                parser.set_option_table(klass.user_options +
                                        fix_help_options(klass.help_options))
            else:
                parser.set_option_table(klass.user_options)
            parser.print_help("Options for '%s' command:" % klass.__name__)
            print('')

        print(gen_usage(self.script_name))

def _set_command_options(self, command_obj, option_dict=None):
        """Set the options for 'command_obj' from 'option_dict'.  Basically
        this means copying elements of a dictionary ('option_dict') to
        attributes of an instance ('command').

        'command_obj' must be a Command instance.  If 'option_dict' is not
        supplied, uses the standard option dictionary for this command
        (from 'self.command_options').
        """
        command_name = command_obj.get_command_name()
        if option_dict is None:
            option_dict = self.get_option_dict(command_name)

        if DEBUG:
            self.announce("  setting options for '%s' command:" % command_name)
        for (option, (source, value)) in option_dict.items():
            if DEBUG:
                self.announce("    %s = %s (from %s)" % (option, value,
                                                         source))
            try:
                bool_opts = map(translate_longopt, command_obj.boolean_options)
            except AttributeError:
                bool_opts = []
            try:
                neg_opt = command_obj.negative_opt
            except AttributeError:
                neg_opt = {}

            try:
                is_string = isinstance(value, str)
                if option in neg_opt and is_string:
                    setattr(command_obj, neg_opt[option], not strtobool(value))
                elif option in bool_opts and is_string:
                    setattr(command_obj, option, strtobool(value))
                elif hasattr(command_obj, option):
                    setattr(command_obj, option, value)
                else:
                    raise DistutilsOptionError, \
                          ("error in %s: command '%s' has no such option '%s'"
                           % (source, command_name, option))
            except ValueError, msg:
                raise DistutilsOptionError, msg

def parse_config_files(self, filenames=None):
        from ConfigParser import ConfigParser

        if filenames is None:
            filenames = self.find_config_files()

        if DEBUG:
            self.announce("Distribution.parse_config_files():")

        parser = ConfigParser()
        for filename in filenames:
            if DEBUG:
                self.announce("  reading %s" % filename)
            parser.read(filename)
            for section in parser.sections():
                options = parser.options(section)
                opt_dict = self.get_option_dict(section)

                for opt in options:
                    if opt != '__name__':
                        val = parser.get(section,opt)
                        opt = opt.replace('-', '_')
                        opt_dict[opt] = (filename, val)

            # Make the ConfigParser forget everything (so we retain
            # the original filenames that options come from)
            parser.__init__()

        # If there was a "global" section in the config file, use it
        # to set Distribution options.

        if 'global' in self.command_options:
            for (opt, (src, val)) in self.command_options['global'].items():
                alias = self.negative_opt.get(opt)
                try:
                    if alias:
                        setattr(self, alias, not strtobool(val))
                    elif opt in ('verbose', 'dry_run'): # ugh!
                        setattr(self, opt, strtobool(val))
                    else:
                        setattr(self, opt, val)
                except ValueError, msg:
                    raise DistutilsOptionError, msg

    # -- Command-line parsing methods ----------------------------------

def _show_help(self, parser, global_options=1, display_options=1,
                   commands=[]):
        """Show help for the setup script command-line in the form of
        several lists of command-line options.  'parser' should be a
        FancyGetopt instance; do not expect it to be returned in the
        same state, as its option table will be reset to make it
        generate the correct help text.

        If 'global_options' is true, lists the global options:
        --verbose, --dry-run, etc.  If 'display_options' is true, lists
        the "display-only" options: --name, --version, etc.  Finally,
        lists per-command help for every command name or command class
        in 'commands'.
        """
        # late import because of mutual dependence between these modules
        from distutils.core import gen_usage
        from distutils.cmd import Command

        if global_options:
            if display_options:
                options = self._get_toplevel_options()
            else:
                options = self.global_options
            parser.set_option_table(options)
            parser.print_help(self.common_usage + "\nGlobal options:")
            print('')

        if display_options:
            parser.set_option_table(self.display_options)
            parser.print_help(
                "Information display options (just display " +
                "information, ignore any commands)")
            print('')

        for command in self.commands:
            if isinstance(command, type) and issubclass(command, Command):
                klass = command
            else:
                klass = self.get_command_class(command)
            if (hasattr(klass, 'help_options') and
                isinstance(klass.help_options, list)):
                parser.set_option_table(klass.user_options +
                                        fix_help_options(klass.help_options))
            else:
                parser.set_option_table(klass.user_options)
            parser.print_help("Options for '%s' command:" % klass.__name__)
            print('')

        print(gen_usage(self.script_name))

def _set_command_options(self, command_obj, option_dict=None):
        """Set the options for 'command_obj' from 'option_dict'.  Basically
        this means copying elements of a dictionary ('option_dict') to
        attributes of an instance ('command').

        'command_obj' must be a Command instance.  If 'option_dict' is not
        supplied, uses the standard option dictionary for this command
        (from 'self.command_options').
        """
        command_name = command_obj.get_command_name()
        if option_dict is None:
            option_dict = self.get_option_dict(command_name)

        if DEBUG:
            self.announce("  setting options for '%s' command:" % command_name)
        for (option, (source, value)) in option_dict.items():
            if DEBUG:
                self.announce("    %s = %s (from %s)" % (option, value,
                                                         source))
            try:
                bool_opts = map(translate_longopt, command_obj.boolean_options)
            except AttributeError:
                bool_opts = []
            try:
                neg_opt = command_obj.negative_opt
            except AttributeError:
                neg_opt = {}

            try:
                is_string = isinstance(value, str)
                if option in neg_opt and is_string:
                    setattr(command_obj, neg_opt[option], not strtobool(value))
                elif option in bool_opts and is_string:
                    setattr(command_obj, option, strtobool(value))
                elif hasattr(command_obj, option):
                    setattr(command_obj, option, value)
                else:
                    raise DistutilsOptionError, \
                          ("error in %s: command '%s' has no such option '%s'"
                           % (source, command_name, option))
            except ValueError, msg:
                raise DistutilsOptionError, msg

def parse_config_files(self, filenames=None):
        from ConfigParser import ConfigParser

        if filenames is None:
            filenames = self.find_config_files()

        if DEBUG:
            self.announce("Distribution.parse_config_files():")

        parser = ConfigParser()
        for filename in filenames:
            if DEBUG:
                self.announce("  reading %s" % filename)
            parser.read(filename)
            for section in parser.sections():
                options = parser.options(section)
                opt_dict = self.get_option_dict(section)

                for opt in options:
                    if opt != '__name__':
                        val = parser.get(section,opt)
                        opt = opt.replace('-', '_')
                        opt_dict[opt] = (filename, val)

            # Make the ConfigParser forget everything (so we retain
            # the original filenames that options come from)
            parser.__init__()

        # If there was a "global" section in the config file, use it
        # to set Distribution options.

        if 'global' in self.command_options:
            for (opt, (src, val)) in self.command_options['global'].items():
                alias = self.negative_opt.get(opt)
                try:
                    if alias:
                        setattr(self, alias, not strtobool(val))
                    elif opt in ('verbose', 'dry_run'): # ugh!
                        setattr(self, opt, strtobool(val))
                    else:
                        setattr(self, opt, val)
                except ValueError, msg:
                    raise DistutilsOptionError, msg

    # -- Command-line parsing methods ----------------------------------

def _show_help(self, parser, global_options=1, display_options=1,
                   commands=[]):
        """Show help for the setup script command-line in the form of
        several lists of command-line options.  'parser' should be a
        FancyGetopt instance; do not expect it to be returned in the
        same state, as its option table will be reset to make it
        generate the correct help text.

        If 'global_options' is true, lists the global options:
        --verbose, --dry-run, etc.  If 'display_options' is true, lists
        the "display-only" options: --name, --version, etc.  Finally,
        lists per-command help for every command name or command class
        in 'commands'.
        """
        # late import because of mutual dependence between these modules
        from distutils.core import gen_usage
        from distutils.cmd import Command

        if global_options:
            if display_options:
                options = self._get_toplevel_options()
            else:
                options = self.global_options
            parser.set_option_table(options)
            parser.print_help(self.common_usage + "\nGlobal options:")
            print('')

        if display_options:
            parser.set_option_table(self.display_options)
            parser.print_help(
                "Information display options (just display " +
                "information, ignore any commands)")
            print('')

        for command in self.commands:
            if isinstance(command, type) and issubclass(command, Command):
                klass = command
            else:
                klass = self.get_command_class(command)
            if (hasattr(klass, 'help_options') and
                isinstance(klass.help_options, list)):
                parser.set_option_table(klass.user_options +
                                        fix_help_options(klass.help_options))
            else:
                parser.set_option_table(klass.user_options)
            parser.print_help("Options for '%s' command:" % klass.__name__)
            print('')

        print(gen_usage(self.script_name))

def _set_command_options(self, command_obj, option_dict=None):
        """Set the options for 'command_obj' from 'option_dict'.  Basically
        this means copying elements of a dictionary ('option_dict') to
        attributes of an instance ('command').

        'command_obj' must be a Command instance.  If 'option_dict' is not
        supplied, uses the standard option dictionary for this command
        (from 'self.command_options').
        """
        command_name = command_obj.get_command_name()
        if option_dict is None:
            option_dict = self.get_option_dict(command_name)

        if DEBUG:
            self.announce("  setting options for '%s' command:" % command_name)
        for (option, (source, value)) in option_dict.items():
            if DEBUG:
                self.announce("    %s = %s (from %s)" % (option, value,
                                                         source))
            try:
                bool_opts = map(translate_longopt, command_obj.boolean_options)
            except AttributeError:
                bool_opts = []
            try:
                neg_opt = command_obj.negative_opt
            except AttributeError:
                neg_opt = {}

            try:
                is_string = isinstance(value, str)
                if option in neg_opt and is_string:
                    setattr(command_obj, neg_opt[option], not strtobool(value))
                elif option in bool_opts and is_string:
                    setattr(command_obj, option, strtobool(value))
                elif hasattr(command_obj, option):
                    setattr(command_obj, option, value)
                else:
                    raise DistutilsOptionError, \
                          ("error in %s: command '%s' has no such option '%s'"
                           % (source, command_name, option))
            except ValueError, msg:
                raise DistutilsOptionError, msg

def parse_config_files(self, filenames=None):
        from configparser import ConfigParser

        # Ignore install directory options if we have a venv
        if sys.prefix != sys.base_prefix:
            ignore_options = [
                'install-base', 'install-platbase', 'install-lib',
                'install-platlib', 'install-purelib', 'install-headers',
                'install-scripts', 'install-data', 'prefix', 'exec-prefix',
                'home', 'user', 'root']
        else:
            ignore_options = []

        ignore_options = frozenset(ignore_options)

        if filenames is None:
            filenames = self.find_config_files()

        if DEBUG:
            self.announce("Distribution.parse_config_files():")

        parser = ConfigParser()
        for filename in filenames:
            if DEBUG:
                self.announce("  reading %s" % filename)
            parser.read(filename)
            for section in parser.sections():
                options = parser.options(section)
                opt_dict = self.get_option_dict(section)

                for opt in options:
                    if opt != '__name__' and opt not in ignore_options:
                        val = parser.get(section,opt)
                        opt = opt.replace('-', '_')
                        opt_dict[opt] = (filename, val)

            # Make the ConfigParser forget everything (so we retain
            # the original filenames that options come from)
            parser.__init__()

        # If there was a "global" section in the config file, use it
        # to set Distribution options.

        if 'global' in self.command_options:
            for (opt, (src, val)) in self.command_options['global'].items():
                alias = self.negative_opt.get(opt)
                try:
                    if alias:
                        setattr(self, alias, not strtobool(val))
                    elif opt in ('verbose', 'dry_run'): # ugh!
                        setattr(self, opt, strtobool(val))
                    else:
                        setattr(self, opt, val)
                except ValueError as msg:
                    raise DistutilsOptionError(msg)

    # -- Command-line parsing methods ----------------------------------

def _show_help(self, parser, global_options=1, display_options=1,
                   commands=[]):
        """Show help for the setup script command-line in the form of
        several lists of command-line options.  'parser' should be a
        FancyGetopt instance; do not expect it to be returned in the
        same state, as its option table will be reset to make it
        generate the correct help text.

        If 'global_options' is true, lists the global options:
        --verbose, --dry-run, etc.  If 'display_options' is true, lists
        the "display-only" options: --name, --version, etc.  Finally,
        lists per-command help for every command name or command class
        in 'commands'.
        """
        # late import because of mutual dependence between these modules
        from distutils.core import gen_usage
        from distutils.cmd import Command

        if global_options:
            if display_options:
                options = self._get_toplevel_options()
            else:
                options = self.global_options
            parser.set_option_table(options)
            parser.print_help(self.common_usage + "\nGlobal options:")
            print('')

        if display_options:
            parser.set_option_table(self.display_options)
            parser.print_help(
                "Information display options (just display " +
                "information, ignore any commands)")
            print('')

        for command in self.commands:
            if isinstance(command, type) and issubclass(command, Command):
                klass = command
            else:
                klass = self.get_command_class(command)
            if (hasattr(klass, 'help_options') and
                isinstance(klass.help_options, list)):
                parser.set_option_table(klass.user_options +
                                        fix_help_options(klass.help_options))
            else:
                parser.set_option_table(klass.user_options)
            parser.print_help("Options for '%s' command:" % klass.__name__)
            print('')

        print(gen_usage(self.script_name))

def _set_command_options(self, command_obj, option_dict=None):
        """Set the options for 'command_obj' from 'option_dict'.  Basically
        this means copying elements of a dictionary ('option_dict') to
        attributes of an instance ('command').

        'command_obj' must be a Command instance.  If 'option_dict' is not
        supplied, uses the standard option dictionary for this command
        (from 'self.command_options').
        """
        command_name = command_obj.get_command_name()
        if option_dict is None:
            option_dict = self.get_option_dict(command_name)

        if DEBUG:
            self.announce("  setting options for '%s' command:" % command_name)
        for (option, (source, value)) in option_dict.items():
            if DEBUG:
                self.announce("    %s = %s (from %s)" % (option, value,
                                                         source))
            try:
                bool_opts = [translate_longopt(o)
                             for o in command_obj.boolean_options]
            except AttributeError:
                bool_opts = []
            try:
                neg_opt = command_obj.negative_opt
            except AttributeError:
                neg_opt = {}

            try:
                is_string = isinstance(value, str)
                if option in neg_opt and is_string:
                    setattr(command_obj, neg_opt[option], not strtobool(value))
                elif option in bool_opts and is_string:
                    setattr(command_obj, option, strtobool(value))
                elif hasattr(command_obj, option):
                    setattr(command_obj, option, value)
                else:
                    raise DistutilsOptionError(
                          "error in %s: command '%s' has no such option '%s'"
                          % (source, command_name, option))
            except ValueError as msg:
                raise DistutilsOptionError(msg)