Beispiel #1
0
def parse_component(the_parsed_component_xml, xml_filename, opt):
    """
    Creates a component meta-model and generates the
    component files.  Nothing is returned.
    """
    global BUILD_ROOT
    #

    parsed_port_xml_list = []

    #
    # Configure the meta-model for the component
    #
    port_type_files_list = the_parsed_component_xml.get_port_type_files()

    for port_file in port_type_files_list:
        port_file = search_for_file("Port", port_file)
        xml_parser_obj = XmlPortsParser.XmlPortsParser(port_file)
        parsed_port_xml_list.append(xml_parser_obj)
        del xml_parser_obj

    parsed_serializable_xml_list = []
    #
    # Configure the meta-model for the component
    #
    serializable_type_files_list = (
        the_parsed_component_xml.get_serializable_type_files()
    )
    for serializable_file in serializable_type_files_list:
        serializable_file = search_for_file("Serializable", serializable_file)
        xml_parser_obj = XmlSerializeParser.XmlSerializeParser(
            serializable_file
        )  # Telemetry/Params can only use generated serializable types
        # check to make sure that the serializables don't have things that channels and parameters can't have
        # can't have external non-xml members
        if len(xml_parser_obj.get_include_header_files()):
            print(
                "ERROR: Component include serializables cannot use user-defined types. file: "
                % serializable_file
            )
            sys.exit(-1)

        parsed_serializable_xml_list.append(xml_parser_obj)
        del xml_parser_obj

    model = CompFactory.CompFactory.getInstance()
    component_model = model.create(
        the_parsed_component_xml, parsed_port_xml_list, parsed_serializable_xml_list
    )

    return component_model
Beispiel #2
0
def main():

    # Configures output only to stdout.
    Logger.connectOutputLogger(None)

    xmlfile = "../../test/app1a/NikonComponentAi.xml"

    print("Component XML parse test (%s)" % xmlfile)
    #
    # Basic usage of this factory to create the component meta-model
    #
    parsed_port_xml_list = []
    the_parsed_component_xml = XmlComponentParser.XmlComponentParser(xmlfile)
    port_type_files_list = the_parsed_component_xml.get_port_type_files()
    for port_file in port_type_files_list:
        #print "Parsing %s" % port_file
        parsed_port_xml_list.append(XmlPortsParser.XmlPortsParser(port_file))
        #print parsed_port_xml_list
    comp = CompFactory().create(the_parsed_component_xml, parsed_port_xml_list)
    #
    # End of usage and comp is the instance of model to be used.
    #
    print("Component: %s" % comp)
    print("Namespace: %s" % comp.get_namespace())
    print("Name: %s" % comp.get_name())
    print("Kind: %s" % comp.get_kind())
    print("Comment: %s" % comp.get_comment())
    print("Ports: %s" % comp.get_ports())
    print()
    for port in comp.get_ports():
        print("Port:")
        print(port.get_name(), port.get_type(), port.get_direction(),
              port.get_sync(), port.get_namespace())
        print(port.get_comment())
        print(port.get_ifcomment())
        print(port.get_includes())
        print(port.get_args())
        for arg in port.get_args():
            print("\t%s : %s  # %s" %
                  (arg.get_name(), arg.get_type(), arg.get_comment()))
def main():

    # Configures output only to stdout.
    Logger.connectOutputLogger(None)

    xmlfile = "../../test/Msg1InterfaceAi.xml"

    print("Port XML parse test (%s)" % xmlfile)
    #
    # Basic usage of this factory to create the component meta-model
    #
    the_parsed_port_xml = XmlPortsParser.XmlPortsParser(xmlfile)
    print(the_parsed_port_xml.get_args())
    args = the_parsed_port_xml.get_args()
    for a in args:
        print("\t", a)
        print("\t", a.get_name())
        print("\t", a.get_type())
        print("\t", a.get_comment())
    print(the_parsed_port_xml.get_include_header_files())
    print(the_parsed_port_xml.get_interface())
    print(the_parsed_port_xml.get_interface().get_comment())
    print(the_parsed_port_xml.get_interface().get_name())
    print(the_parsed_port_xml.get_interface().get_namespace())

    port = PortFactory().create(the_parsed_port_xml)
    #
    # End of usage and port is the instance of model to be used.
    #
    print("Port: %s" % port)
    print("Namespace: %s" % port.get_namespace())
    print("Type: %s" % port.get_type())
    print("Comment: %s" % port.get_ifcomment())
    print("Includes: %s" % port.get_includes())
    print()
    args = port.get_args()
    print("Args: %s" % args)
    for a in args:
        print("Arg Name: %s Type: %s Comment: %s" %
              (a.get_name(), a.get_type(), a.get_comment()))
Beispiel #4
0
def write_pymods_from_comp(the_parsed_component_xml, opt, topology_model):
    """
    Writes python modules for a component xml
    "the_parsed_component_xml"
    """
    global BUILD_ROOT
    global DEPLOYMENT
    global VERBOSE

    parsed_port_xml_list = []
    parsed_serializable_xml_list = []
    #uses the topology model to process the items
    #checks if the topology model exists
    if topology_model == None:
        PRINT.info(
            "Topology model was not specified. Please also input a topology model when running this command."
        )
        raise IOError

    port_type_files_list = the_parsed_component_xml.get_port_type_files()

    for port_file in port_type_files_list:
        port_file = search_for_file("Port", port_file)
        xml_parser_obj = XmlPortsParser.XmlPortsParser(port_file)
        parsed_port_xml_list.append(xml_parser_obj)
        del (xml_parser_obj)

    serializable_type_files_list = the_parsed_component_xml.get_serializable_type_files(
    )
    for serializable_file in serializable_type_files_list:
        serializable_file = search_for_file("Serializable", serializable_file)
        xml_parser_obj = XmlSerializeParser.XmlSerializeParser(
            serializable_file
        )  # Telemetry/Params can only use generated serializable types
        # check to make sure that the serializables don't have things that channels and parameters can't have
        # can't have external non-xml members
        if len(xml_parser_obj.get_include_header_files()):
            print(
                "ERROR: Component include serializables cannot use user-defined types. file: "
                % serializable_file)
            sys.exit(-1)

        parsed_serializable_xml_list.append(xml_parser_obj)
        del (xml_parser_obj)

    model = CompFactory.CompFactory.getInstance()
    component_model = model.create(the_parsed_component_xml,
                                   parsed_port_xml_list,
                                   parsed_serializable_xml_list)

    instChannelWriter = InstChannelWriter.InstChannelWriter()
    instCommandWriter = InstCommandWriter.InstCommandWriter()
    instEventWriter = InstEventWriter.InstEventWriter()

    if opt.dict_dir == None:
        if VERBOSE:
            print(
                "Dictionary output directory not specified!, defaulting to cwd"
            )
        opt.dict_dir = os.getcwd()
    os.environ["DICT_DIR"] = opt.dict_dir
    default_dict_generator = GenFactory.GenFactory.getInstance()
    # iterate through command instances
    for command_model in component_model.get_commands():
        if VERBOSE:
            print("Generating command dict %s" % command_model.get_mnemonic())
        instCommandWriter.DictStartWrite(command_model, topology_model)
        instCommandWriter.DictHeaderWrite(command_model, topology_model)
        instCommandWriter.DictBodyWrite(command_model, topology_model)

    for parameter_model in component_model.get_parameters():
        if VERBOSE:
            print("Generating parameter dict %s" % parameter_model.get_name())
        instCommandWriter.DictStartWrite(parameter_model, topology_model)
        instCommandWriter.DictHeaderWrite(parameter_model, topology_model)
        instCommandWriter.DictBodyWrite(parameter_model, topology_model)

    default_dict_generator = GenFactory.GenFactory.getInstance()
    # iterate through command instances
    for event_model in component_model.get_events():
        if VERBOSE:
            print("Generating event dict %s" % event_model.get_name())
        instEventWriter.DictStartWrite(event_model, topology_model)
        instEventWriter.DictHeaderWrite(event_model, topology_model)
        instEventWriter.DictBodyWrite(event_model, topology_model)

    default_dict_generator = GenFactory.GenFactory.getInstance()
    # iterate through command instances
    for channel_model in component_model.get_channels():
        if VERBOSE:
            print("Generating channel dict %s" % channel_model.get_name())
        instChannelWriter.DictStartWrite(channel_model, topology_model)
        instChannelWriter.DictHeaderWrite(channel_model, topology_model)
        instChannelWriter.DictBodyWrite(channel_model, topology_model)
Beispiel #5
0
def generate_component(the_parsed_component_xml,
                       xml_filename,
                       opt,
                       topology_model=None):
    """
    Creates a component meta-model, configures visitors and
    generates the component files.  Nothing is returned.
    """
    parsed_port_xml_list = []
    if opt.gen_report:
        report_file = open(f"{xml_filename.replace('Ai.xml', '')}Report.txt",
                           "w")
        num_input_ports = 0
        num_output_ports = 0

        # Count ports

        for port in the_parsed_component_xml.get_ports():
            if port.get_direction() == "input":
                num_input_ports = num_input_ports + int(port.get_max_number())
            if port.get_direction() == "output":
                num_output_ports = num_output_ports + int(
                    port.get_max_number())
        if len(the_parsed_component_xml.get_ports()):
            if num_input_ports:
                report_file.write(f"Input Ports: {num_input_ports}\n")
            if num_output_ports:
                report_file.write(f"Output Ports: {num_output_ports}\n")

        # Count regular commands
        commands = 0
        idList = ""
        if len(the_parsed_component_xml.get_commands()):
            for command in the_parsed_component_xml.get_commands():
                commands += len(command.get_opcodes())
                for opcode in command.get_opcodes():
                    idList += opcode + ","

        # Count parameter commands
        if len(the_parsed_component_xml.get_parameters()):
            for parameter in the_parsed_component_xml.get_parameters():
                commands += len(parameter.get_set_opcodes())
                for opcode in parameter.get_set_opcodes():
                    idList += opcode + ","
                commands += len(parameter.get_save_opcodes())
                for opcode in parameter.get_save_opcodes():
                    idList += opcode + ","

        if commands > 0:
            report_file.write(
                f"Commands: {commands}\n OpCodes: {idList[:-1]}\n")

        if len(the_parsed_component_xml.get_channels()):
            idList = ""
            channels = 0
            for channel in the_parsed_component_xml.get_channels():
                channels += len(channel.get_ids())
                for id in channel.get_ids():
                    idList += id + ","
            report_file.write(
                f"Channels: {channels}\n ChanIds: {idList[:-1]}\n")

        if len(the_parsed_component_xml.get_events()):
            idList = ""
            events = 0
            for event in the_parsed_component_xml.get_events():
                events += len(event.get_ids())
                for id in event.get_ids():
                    idList += id + ","
            report_file.write(f"Events: {events}\n EventIds: {idList[:-1]}\n")

        if len(the_parsed_component_xml.get_parameters()):
            idList = ""
            parameters = 0
            for parameter in the_parsed_component_xml.get_parameters():
                parameters += len(parameter.get_ids())
                for id in parameter.get_ids():
                    idList += id + ","
            report_file.write(
                f"Parameters: {parameters}\n ParamIds: {idList[:-1]}\n")
    #
    # Configure the meta-model for the component
    #
    port_type_files_list = the_parsed_component_xml.get_port_type_files()

    for port_file in port_type_files_list:
        port_file = search_for_file("Port", port_file)
        xml_parser_obj = XmlPortsParser.XmlPortsParser(port_file)
        # print xml_parser_obj.get_args()
        parsed_port_xml_list.append(xml_parser_obj)
        del xml_parser_obj

    parsed_serializable_xml_list = []
    #
    # Configure the meta-model for the component
    #
    serializable_type_files_list = (
        the_parsed_component_xml.get_serializable_type_files())
    for serializable_file in serializable_type_files_list:
        serializable_file = search_for_file("Serializable", serializable_file)
        xml_parser_obj = XmlSerializeParser.XmlSerializeParser(
            serializable_file
        )  # Telemetry/Params can only use generated serializable types
        # check to make sure that the serializables don't have things that channels and parameters can't have
        # can't have external non-xml members
        if len(xml_parser_obj.get_include_header_files()):
            PRINT.info(
                f"ERROR: Component include serializables cannot use user-defined types. file: {serializable_file}"
            )
            sys.exit(-1)

        # print xml_parser_obj.get_args()
        parsed_serializable_xml_list.append(xml_parser_obj)
        del xml_parser_obj

    #
    # for p in the_parsed_component_xml.get_ports():
    #    print p.get_name(), p.get_type()
    # print parsed_port_xml_list

    # for p in parsed_port_xml_list:
    #    print p.get_interface().get_name(), p.get_interface().get_namespace()
    #    print p.get_args()
    #    print p.get_include_header_files()
    #
    generator = CompFactory.CompFactory.getInstance()
    component_model = generator.create(the_parsed_component_xml,
                                       parsed_port_xml_list,
                                       parsed_serializable_xml_list)

    # tv = [x for x in component_model.get_events()]
    # for event_model in component_model.get_events():
    #    event_model.set_ids([1,2,3])
    #    tv.append(event_model)

    #
    # Configure and create the visitors that will generate the code.
    #
    generator = GenFactory.GenFactory.getInstance()
    #
    # Configure each visitor here.
    #
    if "Ai" in xml_filename:
        base = xml_filename.split("Ai")[0]
        h_instance_name = base + "_H"
        cpp_instance_name = base + "_Cpp"
        h_instance_name_tmpl = base + "_Impl_H"
        cpp_instance_name_tmpl = base + "_Impl_Cpp"
        h_instance_test_name = base + "_Test_H"
        cpp_instance_test_name = base + "_Test_Cpp"
        h_instance_gtest_name = base + "_GTest_H"
        cpp_instance_gtest_name = base + "_GTest_Cpp"
        h_instance_test_impl_name = base + "_TestImpl_H"
        cpp_instance_test_impl_name = base + "_TestImpl_Cpp"
    else:
        PRINT.info("Missing Ai at end of file name...")
        raise OSError

    #
    if opt.impl_flag:
        PRINT.info("Enabled generation of implementation template files...")
        generator.configureVisitor(h_instance_name_tmpl, "ImplHVisitor", True,
                                   True)
        generator.configureVisitor(cpp_instance_name_tmpl, "ImplCppVisitor",
                                   True, True)
    elif opt.unit_test:
        PRINT.info("Enabled generation of unit test component files...")
        generator.configureVisitor(h_instance_test_name,
                                   "ComponentTestHVisitor", True, True)
        generator.configureVisitor(cpp_instance_test_name,
                                   "ComponentTestCppVisitor", True, True)
        generator.configureVisitor(h_instance_gtest_name, "GTestHVisitor",
                                   True, True)
        generator.configureVisitor(cpp_instance_gtest_name, "GTestCppVisitor",
                                   True, True)
        generator.configureVisitor(h_instance_test_impl_name,
                                   "TestImplHVisitor", True, True)
        generator.configureVisitor(cpp_instance_test_impl_name,
                                   "TestImplCppVisitor", True, True)
    else:
        generator.configureVisitor(h_instance_name, "ComponentHVisitor", True,
                                   True)
        generator.configureVisitor(cpp_instance_name, "ComponentCppVisitor",
                                   True, True)

    # for port_file in port_type_files_list:
    #    if "Ai" in port_file:
    #        base = port_file.split("Ai")[0]
    #        h_instance_name = base + "_H"
    #        cpp_instance_name = base + "_Cpp"
    #    else:
    #        PRINT.info("Missing Ai at end of file: %s" % port_file)
    #        raise IOError
    #    generator.configureVisitor(h_instance_name, "PortCppVisitor", True, True)
    #    generator.configureVisitor(cpp_instance_name, "PortHVisitor", True, True)
    #
    # The idea here is that each of these generators is used to create
    # a certain portion of each output file.
    #
    initFiles = generator.create("initFiles")
    startSource = generator.create("startSource")
    includes1 = generator.create("includes1")
    includes2 = generator.create("includes2")
    namespace = generator.create("namespace")
    public = generator.create("public")
    protected = generator.create("protected")
    private = generator.create("private")
    finishSource = generator.create("finishSource")

    #
    # Generate the source code products here.
    #
    # 1. Open all the files
    initFiles(component_model)
    #
    # 2. Produce caltech notice here and other starting stuff.
    startSource(component_model)
    #
    # 3. Generate includes that all files get here.
    includes1(component_model)
    #
    # 4. Generate includes from model that a specific here.
    includes2(component_model)
    #
    # 5. Generate start of namespace here.
    namespace(component_model)
    #
    # 6. Generate public class code here.
    public(component_model)
    #
    # 7. Generate protected class code here.
    protected(component_model)
    #
    # 8. Generate private class code here.
    private(component_model)
    #
    # 9. Generate final code here and close all files.
    finishSource(component_model)
    #

    # if requested, generate ground system dictionary
    if opt.default_dict:
        if opt.dict_dir is None:
            PRINT.info("Dictionary output directory not specified!")
            raise OSError
        os.environ["DICT_DIR"] = opt.dict_dir
        default_dict_generator = GenFactory.GenFactory.getInstance()
        # iterate through command instances
        default_dict_generator.configureVisitor("Commands", "CommandVisitor",
                                                True, True)
        for command_model in component_model.get_commands():
            DEBUG.info(f"Processing command {command_model.get_mnemonic()}")
            defaultStartCmd = default_dict_generator.create("DictStart")
            defaultCmdHeader = default_dict_generator.create("DictHeader")
            defaultCmdBody = default_dict_generator.create("DictBody")

            defaultStartCmd(command_model)
            defaultCmdHeader(command_model)
            defaultCmdBody(command_model)

        for parameter_model in component_model.get_parameters():
            DEBUG.info(f"Processing parameter {parameter_model.get_name()}")
            defaultStartCmd = default_dict_generator.create("DictStart")
            defaultCmdHeader = default_dict_generator.create("DictHeader")
            defaultCmdBody = default_dict_generator.create("DictBody")

            defaultStartCmd(parameter_model)
            defaultCmdHeader(parameter_model)
            defaultCmdBody(parameter_model)

        default_dict_generator = GenFactory.GenFactory.getInstance()
        # iterate through command instances
        default_dict_generator.configureVisitor("Events", "EventVisitor", True,
                                                True)
        for event_model in component_model.get_events():
            DEBUG.info(f"Processing event {event_model.get_name()}")
            defaultStartEvent = default_dict_generator.create("DictStart")
            defaultEventHeader = default_dict_generator.create("DictHeader")
            defaultEventBody = default_dict_generator.create("DictBody")

            defaultStartEvent(event_model)
            defaultEventHeader(event_model)
            defaultEventBody(event_model)

        default_dict_generator = GenFactory.GenFactory.getInstance()
        # iterate through command instances
        default_dict_generator.configureVisitor("Channels", "ChannelVisitor",
                                                True, True)
        for channel_model in component_model.get_channels():
            DEBUG.info(f"Processing channel {channel_model.get_name()}")
            defaultStartChannel = default_dict_generator.create("DictStart")
            defaultChannelHeader = default_dict_generator.create("DictHeader")
            defaultChannelBody = default_dict_generator.create("DictBody")

            defaultStartChannel(channel_model)
            defaultChannelHeader(channel_model)
            defaultChannelBody(channel_model)

    if opt.html_docs:
        if opt.html_doc_dir is None:
            PRINT.info("HTML documentation output directory not specified!")
            raise OSError

        os.environ["HTML_DOC_SUBDIR"] = opt.html_doc_dir
        html_doc_generator = GenFactory.GenFactory.getInstance()
        html_doc_generator.configureVisitor(base + "_Html", "HtmlDocVisitor",
                                            True, True)
        htmlStart = html_doc_generator.create("HtmlStart")
        htmlDoc = html_doc_generator.create("HtmlDoc")
        finisher = html_doc_generator.create("finishSource")
        htmlStart(component_model)
        htmlDoc(component_model)
        finisher(component_model)

    if opt.md_docs:
        if opt.md_doc_dir is None:
            PRINT.info("MD documentation output directory not specified!")
            raise OSError

        os.environ["MD_DOC_SUBDIR"] = opt.md_doc_dir
        md_doc_generator = GenFactory.GenFactory.getInstance()
        md_doc_generator.configureVisitor(base + "_Md", "MdDocVisitor", True,
                                          True)
        mdStart = md_doc_generator.create("MdStart")
        mdDoc = md_doc_generator.create("MdDoc")
        finisher = md_doc_generator.create("finishSource")
        mdStart(component_model)
        mdDoc(component_model)
        finisher(component_model)
Beispiel #6
0
def generate_component_instance_dictionary(the_parsed_component_xml, opt,
                                           topology_model):
    global DEPLOYMENT

    #
    parsed_port_xml_list = []
    parsed_serializable_xml_list = []
    # uses the topology model to process the items
    # checks if the topology model exists
    if topology_model is None:
        PRINT.info(
            "Topology model was not specified. Please also input a topology model when running this command."
        )
        raise OSError

    port_type_files_list = the_parsed_component_xml.get_port_type_files()

    for port_file in port_type_files_list:
        port_file = search_for_file("Port", port_file)
        xml_parser_obj = XmlPortsParser.XmlPortsParser(port_file)
        # print xml_parser_obj.get_args()
        parsed_port_xml_list.append(xml_parser_obj)
        del xml_parser_obj

    serializable_type_files_list = (
        the_parsed_component_xml.get_serializable_type_files())
    for serializable_file in serializable_type_files_list:
        serializable_file = search_for_file("Serializable", serializable_file)
        xml_parser_obj = XmlSerializeParser.XmlSerializeParser(
            serializable_file
        )  # Telemetry/Params can only use generated serializable types
        # check to make sure that the serializables don't have things that channels and parameters can't have
        # can't have external non-xml members
        if len(xml_parser_obj.get_include_header_files()):
            PRINT.info(
                f"ERROR: Component include serializables cannot use user-defined types. file: {serializable_file}"
            )
            sys.exit(-1)

        # print xml_parser_obj.get_args()
        parsed_serializable_xml_list.append(xml_parser_obj)
        del xml_parser_obj

    generator = CompFactory.CompFactory.getInstance()
    component_model = generator.create(the_parsed_component_xml,
                                       parsed_port_xml_list,
                                       parsed_serializable_xml_list)

    if opt.default_topology_dict:
        default_dict_generator = GenFactory.GenFactory.getInstance()
        # iterate through command instances
        default_dict_generator.configureVisitor("Commands",
                                                "InstanceCommandVisitor", True,
                                                True)
        for command_model in component_model.get_commands():
            DEBUG.info(f"Processing command {command_model.get_mnemonic()}")
            defaultStartCmd = default_dict_generator.create(
                "InstanceDictStart")
            defaultCmdHeader = default_dict_generator.create(
                "InstanceDictHeader")
            defaultCmdBody = default_dict_generator.create("InstanceDictBody")

            defaultStartCmd(command_model, topology_model)
            defaultCmdHeader(command_model, topology_model)
            defaultCmdBody(command_model, topology_model)

        for parameter_model in component_model.get_parameters():
            DEBUG.info(f"Processing parameter {parameter_model.get_name()}")
            defaultStartCmd = default_dict_generator.create(
                "InstanceDictStart")
            defaultCmdHeader = default_dict_generator.create(
                "InstanceDictHeader")
            defaultCmdBody = default_dict_generator.create("InstanceDictBody")

            defaultStartCmd(parameter_model, topology_model)
            defaultCmdHeader(parameter_model, topology_model)
            defaultCmdBody(parameter_model, topology_model)

        default_dict_generator = GenFactory.GenFactory.getInstance()
        # iterate through command instances
        default_dict_generator.configureVisitor("Events",
                                                "InstanceEventVisitor", True,
                                                True)
        for event_model in component_model.get_events():
            DEBUG.info(f"Processing event {event_model.get_name()}")
            defaultStartEvent = default_dict_generator.create(
                "InstanceDictStart")
            defaultEventHeader = default_dict_generator.create(
                "InstanceDictHeader")
            defaultEventBody = default_dict_generator.create(
                "InstanceDictBody")

            defaultStartEvent(event_model, topology_model)
            defaultEventHeader(event_model, topology_model)
            defaultEventBody(event_model, topology_model)

        default_dict_generator = GenFactory.GenFactory.getInstance()
        # iterate through command instances
        default_dict_generator.configureVisitor("Channels",
                                                "InstanceChannelVisitor", True,
                                                True)
        for channel_model in component_model.get_channels():
            DEBUG.info(f"Processing channel {channel_model.get_name()}")
            defaultStartChannel = default_dict_generator.create(
                "InstanceDictStart")
            defaultChannelHeader = default_dict_generator.create(
                "InstanceDictHeader")
            defaultChannelBody = default_dict_generator.create(
                "InstanceDictBody")

            defaultStartChannel(channel_model, topology_model)
            defaultChannelHeader(channel_model, topology_model)
            defaultChannelBody(channel_model, topology_model)
Beispiel #7
0
def main():
    """
    Main program.
    """
    global ERROR  # prevent local creation of variable
    global VERBOSE  # prevent local creation of variable
    global GEN_TEST_CODE  # indicate if test code should be generated
    global DEPLOYMENT  # deployment set in topology xml only and used to install new instance dicts

    ERROR = False
    # Sets up the initial (singleton) instance
    ConfigManager.ConfigManager.getInstance()
    Parser = pinit()
    (opt, args) = Parser.parse_args()
    VERBOSE = opt.verbose_flag

    # Check that the specified working directory exists. Remember, the
    # default working directory is the current working directory which
    # always exists. We are basically only checking for when the user
    # specifies an alternate working directory.

    if os.path.exists(opt.work_path) == False:
        Parser.error(f"Specified path does not exist ({opt.work_path})!")

    working_dir = opt.work_path

    # Get the current working directory so that we can return to it when
    # the program completes. We always want to return to the place where
    # we started.

    starting_directory = os.getcwd()
    os.chdir(working_dir)
    # print working_dir
    # print os.getcwd()

    # Configure the logging.
    log_level = opt.logger.upper()
    log_level_dict = dict()

    log_level_dict["QUIET"] = None
    log_level_dict["DEBUG"] = logging.DEBUG
    log_level_dict["INFO"] = logging.INFO
    log_level_dict["WARNING"] = logging.WARN
    log_level_dict["ERROR"] = logging.ERROR
    log_level_dict["CRITICAL"] = logging.CRITICAL

    if log_level_dict[log_level] is None:
        stdout_enable = False
    else:
        stdout_enable = True

    log_fd = opt.logger_output
    # For now no log file

    Logger.connectDebugLogger(log_level_dict[log_level], log_fd, stdout_enable)
    Logger.connectOutputLogger(log_fd)
    #
    #  Parse the input Component XML file and create internal meta-model
    #
    if len(args) == 0:
        PRINT.info(f"Usage: {sys.argv[0]} [options] xml_filename")
        return
    else:
        xml_filenames = args[0:]
    #
    # Check for BUILD_ROOT variable for XML port searches
    #
    if opt.build_root_flag == True:
        # Check for BUILD_ROOT env. variable
        if ("BUILD_ROOT" in list(os.environ.keys())) == False:
            PRINT.info(
                "ERROR: The -b command option requires that BUILD_ROOT environmental variable be set to root build path..."
            )
            sys.exit(-1)
        else:
            set_build_roots(os.environ.get("BUILD_ROOT"))

    for xml_filename in xml_filenames:

        xml_type = XmlParser.XmlParser(xml_filename)()

        if xml_type == "component":
            DEBUG.info(
                "Detected Component XML so Generating Component C++ Files...")
            the_parsed_component_xml = XmlComponentParser.XmlComponentParser(
                xml_filename)
            generate_component(the_parsed_component_xml,
                               os.path.basename(xml_filename), opt)
            dependency_parser = the_parsed_component_xml
        elif xml_type == "interface":
            DEBUG.info(
                "Detected Port type XML so Generating Port type C++ Files...")
            the_parsed_port_xml = XmlPortsParser.XmlPortsParser(xml_filename)
            generate_port(the_parsed_port_xml, os.path.basename(xml_filename))
            dependency_parser = the_parsed_port_xml
        elif xml_type == "serializable":
            DEBUG.info(
                "Detected Serializable XML so Generating Serializable C++ Files..."
            )
            the_serial_xml = XmlSerializeParser.XmlSerializeParser(
                xml_filename)
            generate_serializable(the_serial_xml, opt)
            dependency_parser = the_serial_xml
        elif xml_type == "assembly" or xml_type == "deployment":
            DEBUG.info(
                "Detected Topology XML so Generating Topology C++ Files...")
            the_parsed_topology_xml = XmlTopologyParser.XmlTopologyParser(
                xml_filename)
            DEPLOYMENT = the_parsed_topology_xml.get_deployment()
            print("Found assembly or deployment named: %s\n" % DEPLOYMENT)
            generate_topology(the_parsed_topology_xml,
                              os.path.basename(xml_filename), opt)
            dependency_parser = the_parsed_topology_xml
        elif xml_type == "enum":
            DEBUG.info(
                "Detected Enum XML so Generating hpp, cpp, and py files...")
            curdir = os.getcwd()
            if EnumGenerator.generate_enum(xml_filename):
                ERROR = False
                PRINT.info(
                    f"Completed generating files for {xml_filename} Enum XML...."
                )
            else:
                ERROR = True
            os.chdir(curdir)
        elif xml_type == "array":
            DEBUG.info(
                "Detected Array XML so Generating hpp, cpp, and py files...")
            curdir = os.getcwd()
            if ArrayGenerator.generate_array(xml_filename):
                ERROR = False
                PRINT.info(
                    f"Completed generating files for {xml_filename} Array XML..."
                )
            else:
                ERROR = True
            os.chdir(curdir)
        else:
            PRINT.info("Invalid XML found...this format not supported")
            ERROR = True

        if opt.dependency_file is not None:
            if opt.build_root_flag:
                generate_dependency_file(
                    opt.dependency_file,
                    os.path.basename(xml_filename),
                    list(get_build_roots())[0],
                    dependency_parser,
                    xml_type,
                )

    # Always return to directory where we started.
    os.chdir(starting_directory)

    if ERROR == True:
        sys.exit(-1)
    else:
        sys.exit(0)