bugfinder.features.extraction.bag_of_words.hops_n_flows

Feature extractor module for HopNFlows algorithm

class bugfinder.features.extraction.bag_of_words.hops_n_flows.FeatureExtractor(dataset, deprecation_warning=None)

Bases: FlowGraphFeatureExtractor

HopNFlows feature extractor

configure_container()

Setting up the container variables

execute(command_args=None, flows=None, min_hops=1, max_hops=-1, feature_map_filepath=None, need_map_features=False)

Run the feature extraction algorithm

finalize_features(features, labels)

Perform final touches on the features before saving them to CSV.

Parameters

• features –

• labels –

Returns:

flows = ['CONTROLS', 'FLOWS_TO', 'REACHES']

get_flowgraph_count(flowgraph)

Retrieve the flowgraph count.

get_flowgraph_list_for_entrypoint(entrypoint)

Extract flowgraphs for a given entrypoint

get_label_from_flowgraph(flowgraph)

Create the label for the flowgraph.

max_hops = -1

min_hops = 1