Search is not available for this dataset
text
stringlengths
75
104k
def extract_logical_plan(self, topology): """ Returns the representation of logical plan that will be returned from Tracker. """ logicalPlan = { "spouts": {}, "bolts": {}, } # Add spouts. for spout in topology.spouts(): spoutName = spout.comp.name spoutType =...
def extract_physical_plan(self, topology): """ Returns the representation of physical plan that will be returned from Tracker. """ physicalPlan = { "instances": {}, "instance_groups": {}, "stmgrs": {}, "spouts": {}, "bolts": {}, "config": {}, "...
def extract_packing_plan(self, topology): """ Returns the representation of packing plan that will be returned from Tracker. """ packingPlan = { "id": "", "container_plans": [] } if not topology.packing_plan: return packingPlan container_plans = topology.packing_p...
def setTopologyInfo(self, topology): """ Extracts info from the stored proto states and convert it into representation that is exposed using the API. This method is called on any change for the topology. For example, when a container moves and its host or some port changes. All the informati...
def getTopologyInfo(self, topologyName, cluster, role, environ): """ Returns the JSON representation of a topology by its name, cluster, environ, and an optional role parameter. Raises exception if no such topology is found. """ # Iterate over the values to filter the desired topology. for (...
def load_configs(self): """load config files""" self.statemgr_config.set_state_locations(self.configs[STATEMGRS_KEY]) if EXTRA_LINKS_KEY in self.configs: for extra_link in self.configs[EXTRA_LINKS_KEY]: self.extra_links.append(self.validate_extra_link(extra_link))
def validate_extra_link(self, extra_link): """validate extra link""" if EXTRA_LINK_NAME_KEY not in extra_link or EXTRA_LINK_FORMATTER_KEY not in extra_link: raise Exception("Invalid extra.links format. " + "Extra link must include a 'name' and 'formatter' field") self.validated_...
def validated_formatter(self, url_format): """validate visualization url format""" # We try to create a string by substituting all known # parameters. If an unknown parameter is present, an error # will be thrown valid_parameters = { "${CLUSTER}": "cluster", "${ENVIRON}": "environ", ...
def emit(self, tup, tup_id=None, stream=Stream.DEFAULT_STREAM_ID, direct_task=None, need_task_ids=False): """Emits a new tuple from this Spout It is compatible with StreamParse API. :type tup: list or tuple :param tup: the new output Tuple to send from this spout, should con...
def _is_continue_to_work(self): """Checks whether we still need to do more work When the topology state is RUNNING: 1. if the out_queue is not full and ack is not enabled, we could wake up next time to produce more tuples and push to the out_queue 2. if the out_queue is not full but the acking i...
def create_parser(subparsers): """ create parser """ components_parser = subparsers.add_parser( 'components', help='Display information of a topology\'s components', usage="%(prog)s cluster/[role]/[env] topology-name [options]", add_help=False) args.add_cluster_role_env(components_parser) ...
def to_table(components, topo_info): """ normalize raw logical plan info to table """ inputs, outputs = defaultdict(list), defaultdict(list) for ctype, component in components.items(): if ctype == 'bolts': for component_name, component_info in component.items(): for input_stream in component_inf...
def filter_bolts(table, header): """ filter to keep bolts """ bolts_info = [] for row in table: if row[0] == 'bolt': bolts_info.append(row) return bolts_info, header
def filter_spouts(table, header): """ filter to keep spouts """ spouts_info = [] for row in table: if row[0] == 'spout': spouts_info.append(row) return spouts_info, header
def run(cl_args, compo_type): """ run command """ cluster, role, env = cl_args['cluster'], cl_args['role'], cl_args['environ'] topology = cl_args['topology-name'] spouts_only, bolts_only = cl_args['spout'], cl_args['bolt'] try: components = tracker_access.get_logical_plan(cluster, env, topology, role) ...
def start(self): """ state Zookeeper """ if self.is_host_port_reachable(): self.client = self._kazoo_client(_makehostportlist(self.hostportlist)) else: localhostports = self.establish_ssh_tunnel() self.client = self._kazoo_client(_makehostportlist(localhostports)) self.client.start() ...
def get_topologies(self, callback=None): """ get topologies """ isWatching = False # Temp dict used to return result # if callback is not provided. ret = { "result": None } if callback: isWatching = True else: def callback(data): """Custom callback to get the...
def _get_topologies_with_watch(self, callback, isWatching): """ Helper function to get topologies with a callback. The future watch is placed only if isWatching is True. """ path = self.get_topologies_path() if isWatching: LOG.info("Adding children watch for path: " + path) # pyli...
def get_topology(self, topologyName, callback=None): """ get topologies """ isWatching = False # Temp dict used to return result # if callback is not provided. ret = { "result": None } if callback: isWatching = True else: def callback(data): """Custom callbac...
def _get_topology_with_watch(self, topologyName, callback, isWatching): """ Helper function to get pplan with a callback. The future watch is placed only if isWatching is True. """ path = self.get_topology_path(topologyName) if isWatching: LOG.info("Adding data watch for path: " + path...
def create_topology(self, topologyName, topology): """ crate topology """ if not topology or not topology.IsInitialized(): raise_(StateException("Topology protobuf not init properly", StateException.EX_TYPE_PROTOBUF_ERROR), sys.exc_info()[2]) path = self.get_topology_path(...
def delete_topology(self, topologyName): """ delete topology """ path = self.get_topology_path(topologyName) LOG.info("Removing topology: {0} from path: {1}".format( topologyName, path)) try: self.client.delete(path) return True except NoNodeError: raise_(StateException("No...
def get_packing_plan(self, topologyName, callback=None): """ get packing plan """ isWatching = False # Temp dict used to return result # if callback is not provided. ret = { "result": None } if callback: isWatching = True else: def callback(data): """ Custom ...
def _get_packing_plan_with_watch(self, topologyName, callback, isWatching): """ Helper function to get packing_plan with a callback. The future watch is placed only if isWatching is True. """ path = self.get_packing_plan_path(topologyName) if isWatching: LOG.info("Adding data watch for...
def get_pplan(self, topologyName, callback=None): """ get physical plan """ isWatching = False # Temp dict used to return result # if callback is not provided. ret = { "result": None } if callback: isWatching = True else: def callback(data): """ Custo...
def _get_pplan_with_watch(self, topologyName, callback, isWatching): """ Helper function to get pplan with a callback. The future watch is placed only if isWatching is True. """ path = self.get_pplan_path(topologyName) if isWatching: LOG.info("Adding data watch for path: " + path) ...
def create_pplan(self, topologyName, pplan): """ create physical plan """ if not pplan or not pplan.IsInitialized(): raise_(StateException("Physical Plan protobuf not init properly", StateException.EX_TYPE_PROTOBUF_ERROR), sys.exc_info()[2]) path = self.get_pplan_path(topo...
def get_execution_state(self, topologyName, callback=None): """ get execution state """ isWatching = False # Temp dict used to return result # if callback is not provided. ret = { "result": None } if callback: isWatching = True else: def callback(data): """ ...
def _get_execution_state_with_watch(self, topologyName, callback, isWatching): """ Helper function to get execution state with a callback. The future watch is placed only if isWatching is True. """ path = self.get_execution_state_path(topologyName) if isWatching: LOG.info("Adding data ...
def create_execution_state(self, topologyName, executionState): """ create execution state """ if not executionState or not executionState.IsInitialized(): raise_(StateException("Execution State protobuf not init properly", StateException.EX_TYPE_PROTOBUF_ERROR), sys.exc_info()...
def get_tmaster(self, topologyName, callback=None): """ get tmaster """ isWatching = False # Temp dict used to return result # if callback is not provided. ret = { "result": None } if callback: isWatching = True else: def callback(data): """ Custom ca...
def _get_tmaster_with_watch(self, topologyName, callback, isWatching): """ Helper function to get pplan with a callback. The future watch is placed only if isWatching is True. """ path = self.get_tmaster_path(topologyName) if isWatching: LOG.info("Adding data watch for path: " + path) ...
def get_scheduler_location(self, topologyName, callback=None): """ get scheduler location """ isWatching = False # Temp dict used to return result # if callback is not provided. ret = { "result": None } if callback: isWatching = True else: def callback(data): ...
def _get_scheduler_location_with_watch(self, topologyName, callback, isWatching): """ Helper function to get scheduler location with a callback. The future watch is placed only if isWatching is True. """ path = self.get_scheduler_location_path(topologyName) if isWatching: LOG.info("Add...
def load(file_object): """ Deserializes Java primitive data and objects serialized by ObjectOutputStream from a file-like object. """ marshaller = JavaObjectUnmarshaller(file_object) marshaller.add_transformer(DefaultObjectTransformer()) return marshaller.readObject()
def loads(string): """ Deserializes Java objects and primitive data serialized by ObjectOutputStream from a string. """ f = StringIO.StringIO(string) marshaller = JavaObjectUnmarshaller(f) marshaller.add_transformer(DefaultObjectTransformer()) return marshaller.readObject()
def copy(self, new_object): """copy an object""" new_object.classdesc = self.classdesc for name in self.classdesc.fields_names: new_object.__setattr__(name, getattr(self, name))
def readObject(self): """read object""" try: _, res = self._read_and_exec_opcode(ident=0) position_bak = self.object_stream.tell() the_rest = self.object_stream.read() if len(the_rest): log_error("Warning!!!!: Stream still has %s bytes left.\ Enable debug mode of logging to see ...
def do_classdesc(self, parent=None, ident=0): """do_classdesc""" # TC_CLASSDESC className serialVersionUID newHandle classDescInfo # classDescInfo: # classDescFlags fields classAnnotation superClassDesc # classDescFlags: # (byte) // Defined in Terminal Symbols and Constants ...
def getMetricsTimeline(tmaster, component_name, metric_names, instances, start_time, end_time, callback=None): """ Get the specified metrics for the given component name of this ...
def create_parser(subparsers): ''' :param subparsers: :return: ''' parser = subparsers.add_parser( 'version', help='Print version of heron-cli', usage="%(prog)s [options] [cluster]", add_help=True) add_version_titles(parser) parser.add_argument( 'cluster', nargs='?', ...
def run(command, parser, cl_args, unknown_args): ''' :param command: :param parser: :param args: :param unknown_args: :return: ''' cluster = cl_args['cluster'] # server mode if cluster: config_file = config.heron_rc_file() client_confs = dict() # Read the cluster definition, if not fou...
def validate_state_locations(self): """ Names of all state locations must be unique. """ names = map(lambda loc: loc["name"], self.locations) assert len(names) == len(set(names)), "Names of state locations must be unique"
def add_arguments(parser): ''' :param parser: :return: ''' parser.add_argument( '--tracker_url', metavar='(a url; path to tracker; default: "' + consts.DEFAULT_TRACKER_URL + '")', default=consts.DEFAULT_TRACKER_URL) parser.add_argument( '--address', metavar='(an string; addres...
def get(self): ''' :return: ''' cluster = self.get_argument("cluster") environ = self.get_argument("environ") topology = self.get_argument("topology") component = self.get_argument("component", default=None) metricnames = self.get_arguments("metricname") instances = self.get_argument...
def get(self): ''' :return: ''' cluster = self.get_argument("cluster") environ = self.get_argument("environ") topology = self.get_argument("topology") component = self.get_argument("component", default=None) metric = self.get_argument("metric") instances = self.get_argument("instance...
def get(self, instance_id): ''' get method ''' self.content_type = 'application/json' self.write(json.dumps(utils.chain([ ['ps', 'auxwwww'], ['grep', instance_id], ['grep', 'java'], ['awk', '\'{print $2}\'']])).strip()) self.finish()
def get(self, path): """ get method """ if path is None: return {} if not utils.check_path(path): self.write("Only relative paths are allowed") self.set_status(403) self.finish() return offset = self.get_argument("offset", default=-1) length = self.get_argument("lengt...
def initialize(self, config, context): """Implements Pulsar Spout's initialize method""" self.logger.info("Initializing PulsarSpout with the following") self.logger.info("Component-specific config: \n%s" % str(config)) self.logger.info("Context: \n%s" % str(context)) self.emit_count = 0 self.ac...
def get(self): """ get method """ # Get all the values for parameter "cluster". clusters = self.get_arguments(constants.PARAM_CLUSTER) # Get all the values for parameter "environ". environs = self.get_arguments(constants.PARAM_ENVIRON) role = self.get_argument_role() ret = {} topologi...
def getInstanceJstack(self, topology_info, instance_id): """ Fetches Instance jstack from heron-shell. """ pid_response = yield getInstancePid(topology_info, instance_id) try: http_client = tornado.httpclient.AsyncHTTPClient() pid_json = json.loads(pid_response) pid = pid_json['std...
def create_parser(subparsers): """ Create the parse for the update command """ parser = subparsers.add_parser( 'update', help='Update a topology', usage="%(prog)s [options] cluster/[role]/[env] <topology-name> " + "[--component-parallelism <name:value>] " + "[--container-number value] ...
def build_extra_args_dict(cl_args): """ Build extra args map """ # Check parameters component_parallelism = cl_args['component_parallelism'] runtime_configs = cl_args['runtime_config'] container_number = cl_args['container_number'] # Users need to provide either (component-parallelism || container_number) o...
def convert_args_dict_to_list(dict_extra_args): """ flatten extra args """ list_extra_args = [] if 'component_parallelism' in dict_extra_args: list_extra_args += ["--component_parallelism", ','.join(dict_extra_args['component_parallelism'])] if 'runtime_config' in dict_extra_args: ...
def run(command, parser, cl_args, unknown_args): """ run the update command """ Log.debug("Update Args: %s", cl_args) # Build jar list extra_lib_jars = jars.packing_jars() action = "update topology%s" % (' in dry-run mode' if cl_args["dry_run"] else '') # Build extra args dict_extra_args = {} try: ...
def getInstancePid(topology_info, instance_id): """ This method is used by other modules, and so it is not a part of the class. Fetches Instance pid from heron-shell. """ try: http_client = tornado.httpclient.AsyncHTTPClient() endpoint = utils.make_shell_endpoint(topology_info, instance_id) url ...
def get(self): """ get method """ try: cluster = self.get_argument_cluster() role = self.get_argument_role() environ = self.get_argument_environ() topology_name = self.get_argument_topology() instance = self.get_argument_instance() topology_info = self.tracker.getTopologyInfo...
def is_grouping_sane(cls, gtype): """Checks if a given gtype is sane""" if gtype == cls.SHUFFLE or gtype == cls.ALL or gtype == cls.LOWEST or gtype == cls.NONE: return True elif isinstance(gtype, cls.FIELDS): return gtype.gtype == topology_pb2.Grouping.Value("FIELDS") and \ gtype.fi...
def fields(cls, *fields): """Field grouping""" if len(fields) == 1 and isinstance(fields[0], list): fields = fields[0] else: fields = list(fields) for i in fields: if not isinstance(i, str): raise TypeError("Non-string cannot be specified in fields") if not fields: ...
def custom(cls, customgrouper): """Custom grouping from a given implementation of ICustomGrouping :param customgrouper: The ICustomGrouping implemention to use """ if customgrouper is None: raise TypeError("Argument to custom() must be ICustomGrouping instance or classpath") if not isinstance...
def custom_serialized(cls, serialized, is_java=True): """Custom grouping from a given serialized string This class is created for compatibility with ``custom_serialized(cls, java_serialized)`` method of StreamParse API, although its functionality is not yet implemented (Java-serialized). Currently only...
def register_metrics(self, metrics_collector, interval): """Registers its metrics to a given metrics collector with a given interval""" for field, metrics in self.metrics.items(): metrics_collector.register_metric(field, metrics, interval)
def update_count(self, name, incr_by=1, key=None): """Update the value of CountMetric or MultiCountMetric :type name: str :param name: name of the registered metric to be updated. :type incr_by: int :param incr_by: specifies how much to increment. Default is 1. :type key: str or None :param...
def update_reduced_metric(self, name, value, key=None): """Update the value of ReducedMetric or MultiReducedMetric :type name: str :param name: name of the registered metric to be updated. :param value: specifies a value to be reduced. :type key: str or None :param key: specifies a key for Mult...
def update_received_packet(self, received_pkt_size_bytes): """Update received packet metrics""" self.update_count(self.RECEIVED_PKT_COUNT) self.update_count(self.RECEIVED_PKT_SIZE, incr_by=received_pkt_size_bytes)
def update_sent_packet(self, sent_pkt_size_bytes): """Update sent packet metrics""" self.update_count(self.SENT_PKT_COUNT) self.update_count(self.SENT_PKT_SIZE, incr_by=sent_pkt_size_bytes)
def register_metrics(self, context): """Registers metrics to context :param context: Topology Context """ sys_config = system_config.get_sys_config() interval = float(sys_config[constants.HERON_METRICS_EXPORT_INTERVAL_SEC]) collector = context.get_metrics_collector() super(ComponentMetrics,...
def serialize_data_tuple(self, stream_id, latency_in_ns): """Apply update to serialization metrics""" self.update_count(self.TUPLE_SERIALIZATION_TIME_NS, incr_by=latency_in_ns, key=stream_id)
def _init_multi_count_metrics(self, pplan_helper): """Initializes the default values for a necessary set of MultiCountMetrics""" to_init = [self.metrics[i] for i in self.to_multi_init if i in self.metrics and isinstance(self.metrics[i], MultiCountMetric)] for out_stream in pplan_helper.get_my...
def next_tuple(self, latency_in_ns): """Apply updates to the next tuple metrics""" self.update_reduced_metric(self.NEXT_TUPLE_LATENCY, latency_in_ns) self.update_count(self.NEXT_TUPLE_COUNT)
def acked_tuple(self, stream_id, complete_latency_ns): """Apply updates to the ack metrics""" self.update_count(self.ACK_COUNT, key=stream_id) self.update_reduced_metric(self.COMPLETE_LATENCY, complete_latency_ns, key=stream_id)
def failed_tuple(self, stream_id, fail_latency_ns): """Apply updates to the fail metrics""" self.update_count(self.FAIL_COUNT, key=stream_id) self.update_reduced_metric(self.FAIL_LATENCY, fail_latency_ns, key=stream_id)
def _init_multi_count_metrics(self, pplan_helper): """Initializes the default values for a necessary set of MultiCountMetrics""" # inputs to_in_init = [self.metrics[i] for i in self.inputs_init if i in self.metrics and isinstance(self.metrics[i], MultiCountMetric)] for in_stream in ppl...
def execute_tuple(self, stream_id, source_component, latency_in_ns): """Apply updates to the execute metrics""" self.update_count(self.EXEC_COUNT, key=stream_id) self.update_reduced_metric(self.EXEC_LATENCY, latency_in_ns, stream_id) self.update_count(self.EXEC_TIME_NS, incr_by=latency_in_ns, key=stream...
def deserialize_data_tuple(self, stream_id, source_component, latency_in_ns): """Apply updates to the deserialization metrics""" self.update_count(self.TUPLE_DESERIALIZATION_TIME_NS, incr_by=latency_in_ns, key=stream_id) global_stream_id = source_component + "/" + stream_id self.update_count(self.TUPLE_...
def acked_tuple(self, stream_id, source_component, latency_in_ns): """Apply updates to the ack metrics""" self.update_count(self.ACK_COUNT, key=stream_id) self.update_reduced_metric(self.PROCESS_LATENCY, latency_in_ns, stream_id) global_stream_id = source_component + '/' + stream_id self.update_coun...
def failed_tuple(self, stream_id, source_component, latency_in_ns): """Apply updates to the fail metrics""" self.update_count(self.FAIL_COUNT, key=stream_id) self.update_reduced_metric(self.FAIL_LATENCY, latency_in_ns, stream_id) global_stream_id = source_component + '/' + stream_id self.update_coun...
def register_metric(self, name, metric, time_bucket_in_sec): """Registers a given metric :param name: name of the metric :param metric: IMetric object to be registered :param time_bucket_in_sec: time interval for update to the metrics manager """ if name in self.metrics_map: raise Runtime...
def poll(self): """Poll from the buffer It is a non-blocking operation, and when the buffer is empty, it raises Queue.Empty exception """ try: # non-blocking ret = self._buffer.get(block=False) if self._producer_callback is not None: self._producer_callback() return ret ...
def offer(self, item): """Offer to the buffer It is a non-blocking operation, and when the buffer is full, it raises Queue.Full exception """ try: # non-blocking self._buffer.put(item, block=False) if self._consumer_callback is not None: self._consumer_callback() return ...
def parse(version): """ Parse version to major, minor, patch, pre-release, build parts. """ match = _REGEX.match(version) if match is None: raise ValueError('%s is not valid SemVer string' % version) verinfo = match.groupdict() verinfo['major'] = int(verinfo['major']) verinfo['...
def create_parser(subparsers, action, help_arg): ''' :param subparsers: :param action: :param help_arg: :return: ''' parser = subparsers.add_parser( action, help=help_arg, usage="%(prog)s [options] cluster/[role]/[env] <topology-name>", add_help=True) args.add_titles(parser) a...
def run_server(command, cl_args, action, extra_args=dict()): ''' helper function to take action on topologies using REST API :param command: :param cl_args: :param action: description of action taken :return: ''' topology_name = cl_args['topology-name'] service_endpoint = cl_args['service_url'...
def run_direct(command, cl_args, action, extra_args=[], extra_lib_jars=[]): ''' helper function to take action on topologies :param command: :param cl_args: :param action: description of action taken :return: ''' topology_name = cl_args['topology-name'] new_args = [ "--cluster", cl_args[...
def get_all_zk_state_managers(conf): """ Creates all the zookeeper state_managers and returns them in a list """ state_managers = [] state_locations = conf.get_state_locations_of_type("zookeeper") for location in state_locations: name = location['name'] hostport = location['hostport'] hostport...
def get_all_file_state_managers(conf): """ Returns all the file state_managers. """ state_managers = [] state_locations = conf.get_state_locations_of_type("file") for location in state_locations: name = location['name'] rootpath = os.path.expanduser(location['rootpath']) LOG.info("Connecting to ...
def incr(self, key, to_add=1): """Increments the value of a given key by ``to_add``""" if key not in self.value: self.value[key] = CountMetric() self.value[key].incr(to_add)
def update(self, key, value): """Updates a value of a given key and apply reduction""" if key not in self.value: self.value[key] = ReducedMetric(self.reducer) self.value[key].update(value)
def add_key(self, key): """Adds a new key to this metric""" if key not in self.value: self.value[key] = ReducedMetric(self.reducer)
def add_data_tuple(self, stream_id, new_data_tuple, tuple_size_in_bytes): """Add a new data tuple to the currently buffered set of tuples""" if (self.current_data_tuple_set is None) or \ (self.current_data_tuple_set.stream.id != stream_id) or \ (len(self.current_data_tuple_set.tuples) >= self.da...
def add_control_tuple(self, new_control_tuple, tuple_size_in_bytes, is_ack): """Add a new control (Ack/Fail) tuple to the currently buffered set of tuples :param is_ack: ``True`` if Ack, ``False`` if Fail """ if self.current_control_tuple_set is None: self._init_new_control_tuple() elif is_ac...
def add_ckpt_state(self, ckpt_id, ckpt_state): """Add the checkpoint state message to be sent back the stmgr :param ckpt_id: The id of the checkpoint :ckpt_state: The checkpoint state """ # first flush any buffered tuples self._flush_remaining() msg = ckptmgr_pb2.StoreInstanceStateCheckpoin...
def create_parser(subparsers): ''' :param subparsers: :return: ''' parser = subparsers.add_parser( 'config', help='Config properties for a cluster', usage="%(prog)s [cluster]", add_help=True) parser.add_argument( 'cluster', help='Cluster to configure' ) ex_subparser...
def run(command, parser, cl_args, unknown_args): ''' :param command: :param parser: :param args: :param unknown_args: :return: ''' configcommand = cl_args.get('configcommand', None) if configcommand == 'set': return _set(cl_args) elif configcommand == 'unset': return _unset(cl_args) else: ...
def valid_path(path): ''' Check if an entry in the class path exists as either a directory or a file ''' # check if the suffic of classpath suffix exists as directory if path.endswith('*'): Log.debug('Checking classpath entry suffix as directory: %s', path[:-1]) if os.path.isdir(path[:-1]): retu...
def valid_java_classpath(classpath): ''' Given a java classpath, check whether the path entries are valid or not ''' paths = classpath.split(':') for path_entry in paths: if not valid_path(path_entry.strip()): return False return True
def add_edge(self, U, V): ''' :param U: :param V: :return: ''' if not U in self.edges: self.edges[U] = set() if not V in self.edges: self.edges[V] = set() if not V in self.edges[U]: self.edges[U].add(V)
def bfs_depth(self, U): ''' Returns the maximum distance between any vertex and U in the connected component containing U :param U: :return: ''' bfs_queue = [[U, 0]] # Stores the vertices whose BFS hadn't been completed. visited = set() max_depth = 0 while bfs_queue: [V, d...
def diameter(self): ''' Returns the maximum distance between any vertex and U in the connected component containing U :return: ''' diameter = 0 for U in self.edges: depth = self.bfs_depth(U) if depth > diameter: diameter = depth return diameter
def _get_deps_list(abs_path_to_pex): """Get a list of paths to included dependencies in the specified pex file Note that dependencies are located under `.deps` directory """ pex = zipfile.ZipFile(abs_path_to_pex, mode='r') deps = list(set([re.match(egg_regex, i).group(1) for i in pex.namelist() ...