

def run(namespace=None, action_prefix='action_', args=None):
    "Run the script.  Participating actions are looked up in the caller's\n    namespace if no namespace is given, otherwise in the dict provided.\n    Only items that start with action_prefix are processed as actions.  If\n    you want to use all items in the namespace provided as actions set\n    action_prefix to an empty string.\n\n    :param namespace: An optional dict where the functions are looked up in.\n                      By default the local namespace of the caller is used.\n    :param action_prefix: The prefix for the functions.  Everything else\n                          is ignored.\n    :param args: the arguments for the function.  If not specified\n                 :data:`sys.argv` without the first argument is used.\n    "
    if (namespace is None):
        namespace = sys._getframe(1).f_locals
    actions = find_actions(namespace, action_prefix)
    if (args is None):
        args = sys.argv[1:]
    if ((not args) or (args[0] in ('-h', '--help'))):
        return print_usage(actions)
    elif (args[0] not in actions):
        fail(("Unknown action '%s'" % args[0]))
    arguments = {
        
    }
    types = {
        
    }
    key_to_arg = {
        
    }
    long_options = []
    formatstring = ''
    (func, doc, arg_def) = actions[args.pop(0)]
    for (idx, (arg, shortcut, default, option_type)) in enumerate(arg_def):
        real_arg = arg.replace('-', '_')
        if shortcut:
            formatstring += shortcut
            if (not isinstance(default, bool)):
                formatstring += ':'
            key_to_arg[('-' + shortcut)] = real_arg
        long_options.append(((isinstance(default, bool) and arg) or (arg + '=')))
        key_to_arg[('--' + real_arg)] = real_arg
        key_to_arg[idx] = real_arg
        types[real_arg] = option_type
        arguments[real_arg] = default
    try:
        (optlist, posargs) = getopt.gnu_getopt(args, formatstring, long_options)
    except getopt.GetoptError as e:
        fail(str(e))
    specified_arguments = set()
    for (key, value) in enumerate(posargs):
        try:
            arg = key_to_arg[key]
        except IndexError:
            fail('Too many parameters')
        specified_arguments.add(arg)
        try:
            arguments[arg] = converters[types[arg]](value)
        except ValueError:
            fail(('Invalid value for argument %s (%s): %s' % (key, arg, value)))
    for (key, value) in optlist:
        arg = key_to_arg[key]
        if (arg in specified_arguments):
            fail(("Argument '%s' is specified twice" % arg))
        if (types[arg] == 'boolean'):
            if arg.startswith('no_'):
                value = 'no'
            else:
                value = 'yes'
        try:
            arguments[arg] = converters[types[arg]](value)
        except ValueError:
            fail(("Invalid value for '%s': %s" % (key, value)))
    newargs = {
        
    }
    for (k, v) in iteritems(arguments):
        newargs[((k.startswith('no_') and k[3:]) or k)] = v
    arguments = newargs
    return func(**arguments)

dataset/ETHPy150Open Eforcers/gae-flask-todo/lib/werkzeug/script.py run/VarMisuse@277/598 `arg`->`real_arg`