def run(self, name, config, builder): """Builds the topology and submits it""" if not isinstance(name, str): raise RuntimeError("Name has to be a string type") if not isinstance(config, Config): raise RuntimeError("config has to be a Config type") if not isinstance(builder, Builder): raise RuntimeError("builder has to be a Builder type") bldr = TopologyBuilder(name=name) builder.build(bldr) bldr.set_config(config._api_config) bldr.build_and_submit()
def test_constructor(self): builder = TopologyBuilder("WordCount") self.assertEqual(builder.topology_name, "WordCount") with self.assertRaises(AssertionError): TopologyBuilder("Topology") with self.assertRaises(AssertionError): TopologyBuilder(123) with self.assertRaises(AssertionError): TopologyBuilder(None)
def test_add_spec(self): builder = TopologyBuilder("Test") with self.assertRaises(ValueError): builder.add_spec(HeronComponentSpec(None, "path", True, 1)) with self.assertRaises(TypeError): builder.add_spec(None) self.assertEqual(len(builder._specs), 0) # add 10 specs specs = [] for i in range(10): specs.append(HeronComponentSpec(str(i), "path", True, 1)) builder.add_spec(*specs) self.assertEqual(len(builder._specs), 10)
def run(self, name, config, builder): """Builds the topology and submits it""" if not isinstance(name, str): raise RuntimeError("Name has to be a string type") if not isinstance(config, Config): raise RuntimeError("config has to be a Config type") if not isinstance(builder, Builder): raise RuntimeError("builder has to be a Builder type") bldr = TopologyBuilder(name=name) builder.build(bldr) bldr.set_config(config._api_config) bldr.build_and_submit()
def test_add_spec(self): builder = TopologyBuilder("Test") with self.assertRaises(ValueError): builder.add_spec(HeronComponentSpec(None, "path", True, 1)) with self.assertRaises(TypeError): builder.add_spec(None) self.assertEqual(len(builder._specs), 0) # add 10 specs specs = [] for i in range(10): specs.append(HeronComponentSpec(str(i), "path", True, 1)) builder.add_spec(*specs) self.assertEqual(len(builder._specs), 10)
def run(self, name, config=None): """Runs the Streamlet. This is run as a Heron python topology under the name 'name'. The config attached is passed on to this Heron topology Once submitted, run returns immediately """ if name is None or not isinstance(name, str): raise RuntimeError("Job Name has to be a string") bldr = TopologyBuilder(name=name) stage_names = {} bldr = self._build(bldr, stage_names) if config is not None: if not isinstance(config, dict): raise RuntimeError("config has to be a dict") bldr.set_config(config) bldr.build_and_submit()
'''Example WindowSizeTopology''' import sys import heronpy.api.api_constants as constants from heronpy.api.topology import TopologyBuilder from heronpy.api.stream import Grouping from heronpy.api.bolt.window_bolt import SlidingWindowBolt from heron.examples.src.python.spout import WordSpout from examples.src.python.bolt import WindowSizeBolt # Topology is defined using a topology builder # Refer to multi_stream_topology for defining a topology by subclassing Topology if __name__ == '__main__': if len(sys.argv) != 2: print "Topology's name is not specified" sys.exit(1) builder = TopologyBuilder(name=sys.argv[1]) word_spout = builder.add_spout("word_spout", WordSpout, par=2) count_bolt = builder.add_bolt("count_bolt", WindowSizeBolt, par=2, inputs={word_spout: Grouping.fields('word')}, config={SlidingWindowBolt.WINDOW_DURATION_SECS: 10, SlidingWindowBolt.WINDOW_SLIDEINTERVAL_SECS: 2}) topology_config = {constants.TOPOLOGY_RELIABILITY_MODE: constants.TopologyReliabilityMode.ATLEAST_ONCE} builder.set_config(topology_config) builder.build_and_submit()
import heronpy.api.api_constants as constants from heronpy.api.topology import TopologyBuilder from heronpy.api.stream import Grouping from examples.src.python.spout import WordSpout from examples.src.python.bolt import HalfAckBolt # Topology is defined using a topology builder # Refer to multi_stream_topology for defining a topology by subclassing Topology # pylint: disable=superfluous-parens if __name__ == '__main__': if len(sys.argv) != 2: print("Topology's name is not specified") sys.exit(1) builder = TopologyBuilder(name=sys.argv[1]) word_spout = builder.add_spout("word_spout", WordSpout, par=2) half_ack_bolt = builder.add_bolt( "half_ack_bolt", HalfAckBolt, par=2, inputs={word_spout: Grouping.fields('word')}, config={constants.TOPOLOGY_TICK_TUPLE_FREQ_SECS: 10}) topology_config = { constants.TOPOLOGY_RELIABILITY_MODE: constants.TopologyReliabilityMode.ATLEAST_ONCE, constants.TOPOLOGY_MAX_SPOUT_PENDING: 100000000, constants.TOPOLOGY_MESSAGE_TIMEOUT_SECS: 300 }
import sys import heronpy.api.api_constants as constants from heronpy.api.topology import TopologyBuilder from heronpy.api.stream import Grouping from heronpy.api.bolt.window_bolt import SlidingWindowBolt from heron.examples.src.python.spout import WordSpout from examples.src.python.bolt import WindowSizeBolt # Topology is defined using a topology builder # Refer to multi_stream_topology for defining a topology by subclassing Topology # pylint: disable=superfluous-parens if __name__ == '__main__': if len(sys.argv) != 2: print("Topology's name is not specified") sys.exit(1) builder = TopologyBuilder(name=sys.argv[1]) word_spout = builder.add_spout("word_spout", WordSpout, par=2) count_bolt = builder.add_bolt("count_bolt", WindowSizeBolt, par=2, inputs={word_spout: Grouping.fields('word')}, config={SlidingWindowBolt.WINDOW_DURATION_SECS: 10, SlidingWindowBolt.WINDOW_SLIDEINTERVAL_SECS: 2}) topology_config = {constants.TOPOLOGY_RELIABILITY_MODE: constants.TopologyReliabilityMode.ATLEAST_ONCE} builder.set_config(topology_config) builder.build_and_submit()
import heronpy.api.api_constants as constants from heronpy.api.topology import TopologyBuilder from heronpy.api.stream import Grouping from examples.src.python.spout import WordSpout from examples.src.python.bolt import HalfAckBolt # Topology is defined using a topology builder # Refer to multi_stream_topology for defining a topology by subclassing Topology # pylint: disable=superfluous-parens if __name__ == '__main__': if len(sys.argv) != 2: print("Topology's name is not specified") sys.exit(1) builder = TopologyBuilder(name=sys.argv[1]) word_spout = builder.add_spout("word_spout", WordSpout, par=2) half_ack_bolt = builder.add_bolt("half_ack_bolt", HalfAckBolt, par=2, inputs={word_spout: Grouping.fields('word')}, config={constants.TOPOLOGY_TICK_TUPLE_FREQ_SECS: 10}) topology_config = {constants.TOPOLOGY_RELIABILITY_MODE: constants.TopologyReliabilityMode.ATLEAST_ONCE, constants.TOPOLOGY_MAX_SPOUT_PENDING: 100000000, constants.TOPOLOGY_MESSAGE_TIMEOUT_SECS: 300} builder.set_config(topology_config) builder.build_and_submit()
Aim: Select part of the brain image which activity is correlated with the classification. Parameters: p: float fraction of data which should be taken into consideration. Maybe it would be better to take a threshold. stable_threshold: Number of iteration for which set of voxels were not changed. """ config = { "benchmark_config": dict(data_path=op.join(op.expanduser('~'), 'data', 'rtfmri', 'func_0000.nii.gz'), classes_path=op.join(op.expanduser('~'), 'data', 'rtfmri', 'timingFiles', 'fullRunLabels.txt'), pure_training_size=10, shuffle_seed=1, # 1 for no shuffle, 1000000007 for a nice random ) } builder = TopologyBuilder("heron") # Load demo data (without loading whole file at once) (nibabel - mmap) (with classification results) image_spout = builder.add_spout("image_spout", ImageSpout, par=1, config=config) # Optional: low/er down the resolution # Affine registration - fixing possible moves or rotations (multicore) mask_bolt = builder.add_bolt("mask_bolt", MaskBolt, par=1, config=config, inputs={image_spout: Grouping.ALL}) affine_registration_bolt = builder.add_bolt("affine_registration_bolt", AffineRegistrationBolt, par=6, config=config, inputs={mask_bolt: Grouping.ALL, image_spout: Grouping.SHUFFLE}) classifiers = []
from heronpy.api.stream import Grouping from heronpy.api.topology import TopologyBuilder from spout import TestWordSpout from bolt import ExclamationBolt if __name__ == '__main__': builder = TopologyBuilder('my-python-topology') word = builder.add_spout('word', TestWordSpout, par=2) exclaim1 = builder.add_bolt('exclaim1', \ ExclamationBolt, par=2, \ inputs={word['stream1']: Grouping.SHUFFLE, \ word['stream2']: Grouping.SHUFFLE}) exclaim2 = builder.add_bolt('exclaim2', \ ExclamationBolt, par=2, \ inputs={exclaim1: Grouping.SHUFFLE}) builder.build_and_submit()
""" Example empty topology. See Heron docs on building python topologies. """ from heronpy.api.topology import TopologyBuilder builder = TopologyBuilder("MyTopology") # TODO: add spouts and bolts # this is the what produces output about the topology builder.build_and_submit()