def _init_graph(self, use_engine, pants_ignore_patterns, build_ignore_patterns, exclude_target_regexps, target_specs, graph_helper=None): """Determines the BuildGraph, AddressMapper and spec_roots for a given run. :param bool use_engine: Whether or not to use the v2 engine to construct the BuildGraph. :param list pants_ignore_patterns: The pants ignore patterns from '--pants-ignore'. :param list build_ignore_patterns: The build ignore patterns from '--build-ignore', applied during BUILD file searching. :param list exclude_target_regexps: Regular expressions for targets to be excluded. :param list target_specs: The original target specs. :param LegacyGraphHelper graph_helper: A LegacyGraphHelper to use for graph construction, if available. This would usually come from the daemon. :returns: A tuple of (BuildGraph, AddressMapper, spec_roots). """ # N.B. Use of the daemon implies use of the v2 engine. if graph_helper or use_engine: # The daemon may provide a `graph_helper`. If that's present, use it for graph construction. graph_helper = graph_helper or EngineInitializer.setup_legacy_graph( pants_ignore_patterns, build_ignore_patterns=build_ignore_patterns, exclude_target_regexps=exclude_target_regexps) target_roots = TargetRoots.create(options=self._options, build_root=self._root_dir, change_calculator=graph_helper.change_calculator) return graph_helper.create_build_graph(target_roots, self._root_dir) else: address_mapper = BuildFileAddressMapper( self._build_file_parser, get_project_tree(self._global_options), build_ignore_patterns, exclude_target_regexps) return MutableBuildGraph(address_mapper), address_mapper, target_specs
def open_scheduler(self, specs, symbol_table_cls=None): path_ignore_patterns = ['.*'] target_roots = TargetRoots.create(options=self._make_setup_args(specs)) graph_helper = EngineInitializer.setup_legacy_graph(path_ignore_patterns, symbol_table_cls=symbol_table_cls, native=self._native) try: graph = graph_helper.create_build_graph(target_roots)[0] addresses = tuple(graph.inject_specs_closure(target_roots.as_specs())) yield graph, addresses, graph_helper.scheduler finally: graph_helper.engine.close()
def open_scheduler(self, specs, symbol_table_cls=None): path_ignore_patterns = ['.*'] target_roots = TargetRoots.create(options=self._make_setup_args(specs)) graph_helper = EngineInitializer.setup_legacy_graph( path_ignore_patterns, symbol_table_cls=symbol_table_cls, native=self._native) try: graph = graph_helper.create_build_graph(target_roots)[0] addresses = tuple( graph.inject_specs_closure(target_roots.as_specs())) yield graph, addresses, graph_helper.scheduler finally: graph_helper.engine.close()
def _init_graph(self, use_engine, pants_ignore_patterns, build_ignore_patterns, exclude_target_regexps, target_specs, graph_helper=None): """Determine the BuildGraph, AddressMapper and spec_roots for a given run. :param bool use_engine: Whether or not to use the v2 engine to construct the BuildGraph. :param list pants_ignore_patterns: The pants ignore patterns from '--pants-ignore'. :param list build_ignore_patterns: The build ignore patterns from '--build-ignore', applied during BUILD file searching. :param list exclude_target_regexps: Regular expressions for targets to be excluded. :param list target_specs: The original target specs. :param LegacyGraphHelper graph_helper: A LegacyGraphHelper to use for graph construction, if available. This would usually come from the daemon. :returns: A tuple of (BuildGraph, AddressMapper, spec_roots). """ # N.B. Use of the daemon implies use of the v2 engine. if graph_helper or use_engine: # The daemon may provide a `graph_helper`. If that's present, use it for graph construction. graph_helper = graph_helper or EngineInitializer.setup_legacy_graph( pants_ignore_patterns, build_ignore_patterns=build_ignore_patterns, exclude_target_regexps=exclude_target_regexps) target_roots = TargetRoots.create( options=self._options, build_root=self._root_dir, change_calculator=graph_helper.change_calculator) graph, address_mapper = graph_helper.create_build_graph( target_roots, self._root_dir) return graph, address_mapper, target_roots.as_specs() else: spec_roots = TargetRoots.parse_specs(target_specs, self._root_dir) address_mapper = BuildFileAddressMapper( self._build_file_parser, get_project_tree(self._global_options), build_ignore_patterns, exclude_target_regexps) return MutableBuildGraph( address_mapper), address_mapper, spec_roots
def open_legacy_graph(options=None, path_ignore_patterns=None, symbol_table_cls=None): """A context manager that yields a usable, legacy LegacyBuildGraph by way of the v2 scheduler. :param Options options: An Options object to use for this run. :param list path_ignore_patterns: A list of path ignore patterns for FileSystemProjectTree, usually taken from the `--pants-ignore` global option. Defaults to: ['.*'] :param SymbolTable symbol_table_cls: A SymbolTable class to use for build file parsing, or None to use the default. :yields: A tuple of (graph, addresses, scheduler). """ path_ignore_patterns = path_ignore_patterns or ['.*'] target_roots = TargetRoots.create(options=options) graph_helper = EngineInitializer.setup_legacy_graph( path_ignore_patterns, symbol_table_cls=symbol_table_cls) try: graph = graph_helper.create_build_graph(target_roots)[0] addresses = tuple(graph.inject_specs_closure(target_roots.as_specs())) yield graph, addresses, graph_helper.scheduler finally: graph_helper.engine.close()