Source code for bmtk.builder.node_set

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import six
from .node import Node


[docs]class NodeSet(object): def __init__(self, N, node_params, node_type_properties): self.__N = N self.__node_params = node_params self.__node_type_properties = node_type_properties assert('node_type_id' in node_type_properties) self.__node_type_id = node_type_properties['node_type_id'] # Used for determining which node_sets share the same params columns columns = list(self.__node_params.keys()) columns.sort() self.__params_col_hash = hash(str(columns)) @property def N(self): return self.__N @property def node_type_id(self): return self.__node_type_id @property def params_keys(self): return self.__node_params.keys() @property def params_hash(self): return self.__params_col_hash
[docs] def build(self, nid_generator): # fetch existing node ids or create new ones node_ids = self.__node_params.get('node_id', None) if node_ids is None: node_ids = [nid for nid in nid_generator(self.N)] # turn node_params from dictionary of lists to a list of dictionaries. ap_flat = [{} for _ in six.moves.range(self.N)] for key, plist in self.__node_params.items(): for i, val in enumerate(plist): ap_flat[i][key] = val # create node objects return [Node(nid, params, self.__node_type_properties, self.__params_col_hash) for (nid, params) in zip(node_ids, ap_flat)]