示例#1
0
def main():
    #### Find pySPACE package and import it ####

    # Determine path of current file
    path = os.path.realpath(__file__)

    # Move up to parent directory that contains the pySPACE tree
    suffix = []
    for i in range(3):
        path, tail = os.path.split(path)
        suffix.append(tail)
    parent_dir = path

    # Check proper directory structure
    if suffix != ['launch.py', 'run', 'pySPACE']:
        raise RuntimeError, "Encountered incorrect directory structure. "\
                            "launch.py needs to reside in $PARENT_DIR/pySPACE/run"

    # Workaround for eegserver crashing after 255 open ports
    # - Now it crashes after 4096 open ports ;-)
    import resource
    (fd1, fd2) = resource.getrlimit(resource.RLIMIT_NOFILE)
    fd1 = 4096 if fd2 == resource.RLIM_INFINITY else fd2 - 1
    resource.setrlimit(resource.RLIMIT_NOFILE, (fd1, fd2))
    # ------------------------------------------------------

    #########################################

    ### Parsing of command line arguments
    usage = "Usage: %prog [BACKEND_SPECIFICATION]  [--config <conf.yaml>] "\
            "[--operation <operation.yaml> | --operation_chain <operation_chain.yaml>] "\
            "[--profile]"\
            " where BACKEND_SPECIFICATION can be --serial, --mcore, --loadl or --mpi"

    parser = LaunchParser(usage=usage, epilog=epilog)

    # Configuration
    parser.add_option(
        "-c",
        "--configuration",
        help=
        "Choose the configuration file, which is looked up in PYSPACE_CONF_DIR",
        action="store")
    # Backends
    parser.add_option(
        "-s",
        "--serial",
        action="store_true",
        default=False,
        help="Enables execution on the SerialBackend (one local process)")
    parser.add_option(
        "-m",
        "--mcore",
        action="store_true",
        default=False,
        help=
        "Enables execution on the MulticoreBackend (one process per CPU core)")
    parser.add_option(
        "-l",
        "--local",
        action="store_true",
        default=False,
        help=
        "Enables execution on the MulticoreBackend (one process per CPU core)")
    parser.add_option("-i",
                      "--mpi",
                      action="store_true",
                      default=False,
                      help="Enables execution via MPI")
    parser.add_option("-L",
                      "--loadl",
                      action="store_true",
                      default=False,
                      help="Enables execution via LoadLeveler.")
    # Operation / operation chain
    parser.add_option("-o",
                      "--operation",
                      help="Chooses the operation that will be executed. The "
                      "operation specification file is looked up in "
                      "$SPEC_DIR/operations",
                      action="store")
    parser.add_option(
        "-O",
        "-C",
        "--operation_chain",
        help="Chooses the operation chain that will be executed. "
        "The operation chain specification file is looked up "
        "in $SPEC_DIR/operation_chains",
        action="store")
    # Profiling
    parser.add_option(
        "-p",
        "--profile",
        help="Profiles execution.",
        action="store_true",
        default=False,
    )

    (options, args) = parser.parse_args()

    # Load configuration file
    pySPACE.load_configuration(options.configuration)

    if hasattr(pySPACE.configuration, "eeg_acquisition_dir"):
        eeg_parent_dir =\
        os.sep.join(pySPACE.configuration.eeg_acquisition_dir.split(os.sep)[:-1])
        if not hasattr(pySPACE.configuration, "eeg_acquisition_dir"):
            pySPACE.configuration.eeg_module_path = eeg_parent_dir
    else:
        eeg_parent_dir, tail = os.path.split(parent_dir)
        eeg_parent_dir = os.path.join(eeg_parent_dir, "eeg_modules")
        pySPACE.configuration.eeg_module_path = eeg_parent_dir
    sys.path.append(eeg_parent_dir)

    # Create backend
    if options.serial:
        default_backend = create_backend("serial")
    elif options.mcore or options.local:
        default_backend = create_backend("mcore")
    elif options.mpi:
        default_backend = create_backend("mpi")
    elif options.loadl:
        default_backend = create_backend("loadl")
    else:  # Falling back to serial backend
        default_backend = create_backend("serial")

    print(" --> Using backend: \n\t\t %s." % str(default_backend))

    if not options.operation is None:
        # Create operation for the given name
        operation = create_operation_from_file(options.operation)
        # Store current source code for later inspection
        create_source_archive(archive_path=operation.get_output_directory())
        if not options.profile:
            # Execute the current operation
            run_operation(default_backend, operation)
        else:
            # Execute and profile operation
            cProfile.runctx('pySPACE.run_operation(default_backend, operation)',
                            globals(), locals(),
                            filename = operation.get_output_directory()\
                                       + os.sep + "profile.pstat")
    elif not options.operation_chain is None:
        # Create operation chain for the given name
        operation_chain = create_operation_chain(options.operation_chain)
        # Store current source code for later inspection
        create_source_archive(
            archive_path=operation_chain.get_output_directory())

        if not options.profile:
            # Execute the current operation_chain
            run_operation_chain(default_backend, operation_chain)
        else:
            # Execute and profile operation
            cProfile.runctx('pySPACE.run_operation_chain(default_backend, operation_chain)',
                            globals(), locals(),
                            filename=operation_chain.get_output_directory()\
                                     + os.sep + "profile.pstat")
    else:
        parser.error(
            "Neither operation chain nor operation specification file given!")

    logging.shutdown()
    # Stop logger thread in backend
    default_backend._stop_logging()

    del default_backend
示例#2
0
def main():
    #### Find pySPACE package and import it ####

    # Determine path of current file
    path = os.path.realpath(__file__)

    # Move up to parent directory that contains the pySPACE tree
    suffix = []
    for i in range(3):
        path, tail = os.path.split(path)
        suffix.append(tail)
    parent_dir = path

    # Check proper directory structure
    if suffix != ['launch.py', 'run', 'pySPACE']:
        raise RuntimeError, "Encountered incorrect directory structure. "\
                            "launch.py needs to reside in $PARENT_DIR/pySPACE/run"


    # Workaround for eegserver crashing after 255 open ports
    # - Now it crashes after 4096 open ports ;-)
    import resource
    (fd1, fd2) = resource.getrlimit(resource.RLIMIT_NOFILE)
    fd1 = 4096 if fd2 == resource.RLIM_INFINITY else fd2-1
    resource.setrlimit(resource.RLIMIT_NOFILE, (fd1,fd2))
    # ------------------------------------------------------

    #########################################

    ### Parsing of command line arguments
    usage = "Usage: %prog [BACKEND_SPECIFICATION]  [--config <conf.yaml>] "\
            "[--operation <operation.yaml> | --operation_chain <operation_chain.yaml>] "\
            "[--profile]"\
            " where BACKEND_SPECIFICATION can be --serial, --mcore, --loadl or --mpi"

    parser = LaunchParser(usage=usage, epilog=epilog)

    # Configuration
    parser.add_option("-c", "--configuration",
                      default="config.yaml",
                      help="Choose the configuration file, which is looked up in PYSPACE_CONF_DIR",
                      action="store")
    # Backends
    parser.add_option("-s", "--serial", action="store_true", default=False,
                      help="Enables execution on the SerialBackend (one local process)")
    parser.add_option("-m", "--mcore", action="store_true", default=False,
                      help="Enables execution on the MulticoreBackend (one process per CPU core)")
    parser.add_option("-l", "--local", action="store_true", default=False,
                      help="Enables execution on the MulticoreBackend (one process per CPU core)")
    parser.add_option("-i", "--mpi", action="store_true", default=False,
                      help="Enables execution via MPI")
    parser.add_option("-L", "--loadl", action="store_true", default=False,
                      help="Enables execution via LoadLeveler.")
    # Operation / operation chain
    parser.add_option("-o", "--operation",
                      help="Chooses the operation that will be executed. The "
                           "operation specification file is looked up in "
                           "$SPEC_DIR/operations",
                      action="store")
    parser.add_option("-O", "-C", "--operation_chain",
                      help="Chooses the operation chain that will be executed. "
                           "The operation chain specification file is looked up "
                           "in $SPEC_DIR/operation_chains",
                      action="store")
    # Profiling
    parser.add_option("-p", "--profile",
                      help="Profiles execution.",
                      action="store_true", default=False,)

    (options, args) = parser.parse_args()

    # Load configuration file
    pySPACE.load_configuration(options.configuration)

    if hasattr(pySPACE.configuration, "eeg_acquisition_dir"):
        eeg_parent_dir =\
        os.sep.join(pySPACE.configuration.eeg_acquisition_dir.split(os.sep)[:-1])
        if not hasattr(pySPACE.configuration, "eeg_acquisition_dir"):
            pySPACE.configuration.eeg_module_path = eeg_parent_dir
    else:
        eeg_parent_dir, tail = os.path.split(parent_dir)
        eeg_parent_dir = os.path.join(eeg_parent_dir, "eeg_modules")
        pySPACE.configuration.eeg_module_path = eeg_parent_dir
    sys.path.append(eeg_parent_dir)

    # Create backend
    if options.serial:
        default_backend = create_backend("serial")
    elif options.mcore or options.local:
        default_backend = create_backend("mcore")
    elif options.mpi:
        default_backend = create_backend("mpi")
    elif options.loadl:
        default_backend = create_backend("loadl")
    else: # Falling back to serial backend
        default_backend = create_backend("serial")

    print(" --> Using backend: \n\t\t %s."%str(default_backend))

    if not options.operation is None:
        # Create operation for the given name
        operation = create_operation_from_file(options.operation)
        # Store current source code for later inspection
        create_source_archive(archive_path=operation.get_output_directory())
        if not options.profile:
            # Execute the current operation
            run_operation(default_backend, operation)
        else:
            # Execute and profile operation
            cProfile.runctx('pySPACE.run_operation(default_backend, operation)',
                            globals(), locals(),
                            filename = operation.get_output_directory()\
                                       + os.sep + "profile.pstat")
    elif not options.operation_chain is None:
        # Create operation chain for the given name
        operation_chain = create_operation_chain(options.operation_chain)
        # Store current source code for later inspection
        create_source_archive(archive_path=operation_chain.get_output_directory())

        if not options.profile:
            # Execute the current operation_chain
            run_operation_chain(default_backend, operation_chain)
        else:
            # Execute and profile operation
            cProfile.runctx('pySPACE.run_operation_chain(default_backend, operation_chain)',
                            globals(), locals(),
                            filename=operation_chain.get_output_directory()\
                                     + os.sep + "profile.pstat")
    else:
        parser.error("Neither operation chain nor operation specification file given!")

    logging.shutdown()
    # Stop logger thread in backend
    default_backend._stop_logging()

    del default_backend
示例#3
0
def run_operation_chain(default_backend, operation_chain):
    """ Runs the given operation chain on the backend

    Runs the given operation chain *operation_chain* on the backend passed as
    *default_backend*.

    .. todo:: document override mode here and in tutorial
    .. todo:: documentation needed for prepare operation and hidden params
    .. todo:: parameter settings missing instead of parameter ranges?
    """
    base_result_dir = operation_chain.get_output_directory()

    input_path = operation_chain["input_path"]
    prepare_operation = operation_chain["prepare_operation"] \
                            if "prepare_operation" in operation_chain else None
    operations = operation_chain["operations"]
    runs = operation_chain["runs"] if "runs" in operation_chain else 1

    # Run prepare operation if requested
    if prepare_operation is not None:
        print "Running prepare operation of the operation chain "
        # Create operation object for specified prepare operation
        operation = create_operation_from_file(prepare_operation,
                                               base_result_dir)

        output_directory = run_operation(default_backend, operation)

        # Rename output_directory
        preparation_directory = os.sep.join(output_directory.split(os.sep)[:-1]) + \
                                    os.sep + "prepare_operation"
        shutil.move(output_directory, preparation_directory)

    # Execute all operations of the operation chain sequentially
    for index, operation in enumerate(operations):
        overridden_params_dict = {}
        if isinstance(operation, str):
            op_spec_relative_filename = operation
        else:  # it should be a dictionary...
            if 'operation_spec' in operation:
                op_spec_relative_filename = operation['operation_spec']
            else:
                op_spec_relative_filename = None

            try:
                overridden_params_dict = operation["overridden_params"]
            except KeyError:
                pass

        if op_spec_relative_filename is not None:
            print "Running operation %s of the operation chain (%s/%s)" % \
                    (op_spec_relative_filename, index + 1, len(operations))
            spec_file_name = os.path.join(pySPACE.configuration.spec_dir,
                                          "operations",
                                          op_spec_relative_filename)
            operation_spec = yaml.load(open(spec_file_name, "r"))
        else:
            # we expect to get everything from overridden params
            operation_spec = {}
            try:
                operation_name = overridden_params_dict['operation_name']
            except KeyError:
                operation_name = "<unnamed>"
            print "Running operation %s of the operation chain (%s/%s)" % \
                    (operation_name, index + 1, len(operations))

        operation_spec["input_path"] = input_path
        operation_spec["runs"] = runs

        # Add pseudo parameter "__PREPARE_OPERATION__" to parameter ranges
        # if there was a prepare operation
        if prepare_operation is not None:
            if not "parameter_ranges" in operation_spec:
                operation_spec["parameter_ranges"] = {}
            operation_spec["parameter_ranges"]["__PREPARE_OPERATION__"] = [
                preparation_directory
            ]
            if not "hide_parameters" in operation_spec:
                operation_spec["hide_parameters"] = []
            operation_spec["hide_parameters"].append("__PREPARE_OPERATION__")

        # override params with any explicitly specified params in the operation chain
        # spec.
        operation_spec.update(overridden_params_dict)

        # use the operation factory method to create operation
        operation = Operation.create(operation_spec,
                                     base_result_dir=base_result_dir)

        # Run the operation
        output_directory = run_operation(default_backend, operation)
        # The output acts as input for the next operation of the operation chain
        input_path = get_relative_path(pySPACE.configuration.storage,
                                       output_directory)
示例#4
0
def run_operation_chain(default_backend, operation_chain):
    """ Runs the given operation chain on the backend

    Runs the given operation chain *operation_chain* on the backend passed as
    *default_backend*.

    .. todo:: document override mode here and in tutorial
    .. todo:: documentation needed for prepare operation and hidden params
    .. todo:: parameter settings missing instead of parameter ranges?
    """
    base_result_dir = operation_chain.get_output_directory()

    input_path = operation_chain["input_path"]
    prepare_operation = operation_chain["prepare_operation"] \
                            if "prepare_operation" in operation_chain else None
    operations = operation_chain["operations"]
    runs = operation_chain["runs"] if "runs" in operation_chain else 1

    # Run prepare operation if requested
    if prepare_operation is not None:
        print "Running prepare operation of the operation chain "
        # Create operation object for specified prepare operation
        operation = create_operation_from_file(prepare_operation,
                                               base_result_dir)
        output_directory = run_operation(default_backend, operation)

        # Rename output_directory
        preparation_directory = os.sep.join(output_directory.split(os.sep)[:-1]) + \
                                    os.sep + "prepare_operation"
        shutil.move(output_directory, preparation_directory)

    # Execute all operations of the operation chain sequentially
    for index, operation in enumerate(operations):
        overridden_params_dict = {}
        if isinstance(operation, str):
            op_spec_relative_filename = operation
        else: # it should be a dictionary...
            if 'operation_spec' in operation:
                op_spec_relative_filename = operation['operation_spec']
            else:
                op_spec_relative_filename = None

            try:
                overridden_params_dict = operation["overridden_params"]
            except KeyError:
                pass

        if op_spec_relative_filename is not None:
            print "Running operation %s of the operation chain (%s/%s)" % \
                    (op_spec_relative_filename, index + 1, len(operations))
            spec_file_name = os.path.join(pySPACE.configuration.spec_dir,
                                          "operations",
                                           op_spec_relative_filename)
            operation_spec = yaml.load(open(spec_file_name, "r"))
        else:
            # we expect to get everything from overridden params
            operation_spec = {}
            try:
                operation_name = overridden_params_dict['operation_name']
            except KeyError:
                operation_name = "<unnamed>"
            print "Running operation %s of the operation chain (%s/%s)" % \
                    (operation_name, index + 1, len(operations))

        operation_spec["input_path"] = input_path
        operation_spec["runs"] = runs

        # Add pseudo parameter "__PREPARE_OPERATION__" to parameter ranges
        # if there was a prepare operation
        if prepare_operation is not None :
            if not "parameter_ranges" in operation_spec:
                operation_spec["parameter_ranges"] = {}
            operation_spec["parameter_ranges"]["__PREPARE_OPERATION__"] = [preparation_directory]
            if not "hide_parameters" in operation_spec:
                operation_spec["hide_parameters"] = []
            operation_spec["hide_parameters"].append("__PREPARE_OPERATION__")


        # override params with any explicitly specified params in the operation chain
        # spec.
        operation_spec.update(overridden_params_dict)

        # use the operation factory method to create operation
        operation = Operation.create(operation_spec,
                                     base_result_dir = base_result_dir)

        # Run the operation
        output_directory = run_operation(default_backend, operation)
        # The output acts as input for the next operation of the operation chain
        input_path = get_relative_path(pySPACE.configuration.storage,
                                         output_directory)