How to use bundle_instance method in localstack

Best Python code snippet using localstack_python

generate_distributed_NL.py

Source:generate_distributed_NL.py

1#  ___________________________________________________________________________2#3#  Pyomo: Python Optimization Modeling Objects4#  Copyright 2017 National Technology and Engineering Solutions of Sandia, LLC5#  Under the terms of Contract DE-NA0003525 with National Technology and 6#  Engineering Solutions of Sandia, LLC, the U.S. Government retains certain 7#  rights in this software.8#  This software is distributed under the 3-clause BSD License.9#  ___________________________________________________________________________10import os11import sys12import time13import argparse14from pyomo.util import pyomo_command15from pyomo.pysp.util.config import (PySPConfigValue,16                                    PySPConfigBlock,17                                    safe_register_common_option,18                                    safe_register_unique_option,19                                    _domain_must_be_str)20from pyomo.pysp.util.misc import (parse_command_line,21                                  launch_command)22from pyomo.pysp.scenariotree.manager import (ScenarioTreeManagerClientSerial,23                                             ScenarioTreeManagerClientPyro,24                                             InvocationType)25from pyomo.core import Suffix, Block26# generate an absolute path to this file27thisfile = os.path.abspath(__file__)28def _write_bundle_NL(worker,29                     bundle,30                     output_directory,31                     linking_suffix_name,32                     objective_suffix_name,33                     symbolic_solver_labels):34    assert os.path.exists(output_directory)35    bundle_instance = worker._bundle_binding_instance_map[bundle.name]36    assert not hasattr(bundle_instance, ".tmpblock")37    tmpblock = Block(concrete=True)38    bundle_instance.add_component(".tmpblock", tmpblock)39    #40    # linking variable suffix41    #42    tmpblock.add_component(linking_suffix_name,43                           Suffix(direction=Suffix.EXPORT))44    linking_suffix = getattr(tmpblock, linking_suffix_name)45    # Loop over all nodes for the bundle except the leaf nodes,46    # which have no blended variables47    scenario_tree = worker.scenario_tree48    for stage in bundle.scenario_tree.stages[:-1]:49        for _node in stage.nodes:50            # get the node of off the real scenario tree51            # as this has the linked variable information52            node = scenario_tree.get_node(_node.name)53            master_variable = bundle_instance.find_component(54                "MASTER_BLEND_VAR_"+str(node.name))55            for variable_id in node._standard_variable_ids:56                linking_suffix[master_variable[variable_id]] = variable_id57    #58    # objective weight suffix59    #60    tmpblock.add_component(objective_suffix_name,61                           Suffix(direction=Suffix.EXPORT))62    getattr(tmpblock, objective_suffix_name)[bundle_instance] = \63        bundle._probability64    output_filename = os.path.join(output_directory, str(bundle.name)+".nl")65    bundle_instance.write(66        output_filename,67        io_options={'symbolic_solver_labels': symbolic_solver_labels})68    bundle_instance.del_component(tmpblock)69def _write_scenario_NL(worker,70                       scenario,71                       output_directory,72                       linking_suffix_name,73                       objective_suffix_name,74                       symbolic_solver_labels):75    assert os.path.exists(output_directory)76    instance = scenario._instance77    assert not hasattr(instance, ".tmpblock")78    tmpblock = Block(concrete=True)79    instance.add_component(".tmpblock", tmpblock)80    #81    # linking variable suffix82    #83    bySymbol = instance._ScenarioTreeSymbolMap.bySymbol84    tmpblock.add_component(linking_suffix_name,85                           Suffix(direction=Suffix.EXPORT))86    linking_suffix = getattr(tmpblock, linking_suffix_name)87    # Loop over all nodes for the scenario except the leaf node,88    # which has no blended variables89    for node in scenario._node_list[:-1]:90        for variable_id in node._standard_variable_ids:91            linking_suffix[bySymbol[variable_id]] = variable_id92    #93    # objective weight suffix94    #95    tmpblock.add_component(objective_suffix_name,96                           Suffix(direction=Suffix.EXPORT))97    getattr(tmpblock, objective_suffix_name)[instance] = \98        scenario._probability99    output_filename = os.path.join(output_directory,100                                   str(scenario.name)+".nl")101    instance.write(102        output_filename,103        io_options={'symbolic_solver_labels': symbolic_solver_labels})104    instance.del_component(tmpblock)105def write_distributed_NL_files(manager,106                               output_directory,107                               linking_suffix_name,108                               objective_suffix_name,109                               symbolic_solver_labels=False):110    if not os.path.exists(output_directory):111        os.makedirs(output_directory)112    scenario_tree = manager.scenario_tree113    #114    # Write list of subproblems to file115    #116    with open(os.path.join(output_directory,117                           "PySP_Subproblems.txt"),'w') as f:118        if scenario_tree.contains_bundles():119            for bundle in scenario_tree.bundles:120                f.write(str(bundle.name)+".nl\n")121        else:122            for scenario in scenario_tree.scenarios:123                f.write(str(scenario.name)+".nl\n")124    if scenario_tree.contains_bundles():125        print("Executing bundle NL-file conversions")126        manager.invoke_function(127            "_write_bundle_NL",128            thisfile,129            invocation_type=InvocationType.PerBundle,130            function_args=(output_directory,131                           linking_suffix_name,132                           objective_suffix_name,133                           symbolic_solver_labels))134    else:135        print("Executing scenario NL-file conversions")136        manager.invoke_function(137            "_write_scenario_NL",138            thisfile,139            invocation_type=InvocationType.PerScenario,140            function_args=(output_directory,141                           linking_suffix_name,142                           objective_suffix_name,143                           symbolic_solver_labels))144def run_generate_distributed_NL_register_options(options=None):145    if options is None:146        options = PySPConfigBlock()147    safe_register_common_option(options, "disable_gc")148    safe_register_common_option(options, "profile")149    safe_register_common_option(options, "traceback")150    safe_register_common_option(options, "scenario_tree_manager")151    safe_register_common_option(options, "symbolic_solver_labels")152    safe_register_unique_option(153        options,154        "output_directory",155        PySPConfigValue(156            ".",157            domain=_domain_must_be_str,158            description=(159                "The directory in which to store all output files. "160                "Default is '.'."161            ),162            doc=None,163            visibility=0))164    safe_register_unique_option(165        options,166        "linking_suffix_name",167        PySPConfigValue(168            "variable_id",169            domain=_domain_must_be_str,170            description=(171                "The suffix name used to identify common variables "172                "across NL files. Default is 'ipopt_blend_id'."173            ),174            doc=None,175            visibility=0))176    safe_register_unique_option(177        options,178        "objective_suffix_name",179        PySPConfigValue(180            "objective_weight",181            domain=_domain_must_be_str,182            description=(183                "The suffix name used to identify the relative "184                "objective weight for each NL-file subproblem."185                "Default is 'ipopt_blend_weight'."186            ),187            doc=None,188            visibility=0))189    ScenarioTreeManagerClientSerial.register_options(options)190    ScenarioTreeManagerClientPyro.register_options(options)191    return options192#193# Convert a PySP scenario tree formulation to SMPS input files194#195def run_generate_distributed_NL(options):196    import pyomo.environ197    start_time = time.time()198    manager_class = None199    if options.scenario_tree_manager == 'serial':200        manager_class = ScenarioTreeManagerClientSerial201    elif options.scenario_tree_manager == 'pyro':202        manager_class = ScenarioTreeManagerClientPyro203    with manager_class(options) \204         as manager:205        manager.initialize()206        write_distributed_NL_files(207            manager,208            options.output_directory,209            options.linking_suffix_name,210            options.objective_suffix_name,211            symbolic_solver_labels=options.symbolic_solver_labels)212    print("")213    print("Total execution time=%.2f seconds"214          % (time.time() - start_time))215    return 0216#217# the main driver routine for the generate_distributed_NL script.218#219def main(args=None):220    #221    # Top-level command that executes everything222    #223    #224    # Import plugins225    #226    import pyomo.environ227    #228    # Parse command-line options.229    #230    try:231        options = parse_command_line(232            args,233            run_generate_distributed_NL_register_options,234            prog='generate_distributed_NL',235            description=(236"""Converts a scenario tree into multiple NL files with linking237information specified with suffixes."""238            ))239    except SystemExit as _exc:240        # the parser throws a system exit if "-h" is specified241        # - catch it to exit gracefully.242        return _exc.code243    return launch_command(run_generate_distributed_NL,244                          options,245                          error_label="generate_distributed_NL: ",246                          disable_gc=options.disable_gc,247                          profile_count=options.profile,248                          traceback=options.traceback)249def generate_distributed_NL_main(args=None):250    return main(args=args)251if __name__ == "__main__":...

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