mirror of
https://github.com/MISP/misp-galaxy.git
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79 lines
2 KiB
Python
79 lines
2 KiB
Python
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from .edge import Edge
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from .node import Node
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class Path:
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def __init__(self, nodes, edges):
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if not (isinstance(nodes, list) and isinstance(edges, list)):
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raise TypeError("nodes and edges must be list")
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self._nodes = nodes
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self._edges = edges
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self.append_type = Node
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@classmethod
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def new_empty_path(cls):
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return cls([], [])
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def nodes(self):
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return self._nodes
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def edges(self):
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return self._edges
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def get_node(self, index):
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return self._nodes[index]
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def get_relationship(self, index):
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return self._edges[index]
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def first_node(self):
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return self._nodes[0]
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def last_node(self):
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return self._nodes[-1]
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def edge_count(self):
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return len(self._edges)
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def nodes_count(self):
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return len(self._nodes)
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def add_node(self, node):
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if not isinstance(node, self.append_type):
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raise AssertionError("Add Edge before adding Node")
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self._nodes.append(node)
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self.append_type = Edge
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return self
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def add_edge(self, edge):
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if not isinstance(edge, self.append_type):
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raise AssertionError("Add Node before adding Edge")
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self._edges.append(edge)
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self.append_type = Node
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return self
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def __eq__(self, other):
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# Type checking
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if not isinstance(other, Path):
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return False
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return self.nodes() == other.nodes() and self.edges() == other.edges()
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def __str__(self):
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res = "<"
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edge_count = self.edge_count()
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for i in range(0, edge_count):
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node_id = self.get_node(i).id
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res += "(" + str(node_id) + ")"
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edge = self.get_relationship(i)
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res += (
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"-[" + str(int(edge.id)) + "]->"
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if edge.src_node == node_id
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else "<-[" + str(int(edge.id)) + "]-"
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)
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node_id = self.get_node(edge_count).id
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res += "(" + str(node_id) + ")"
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res += ">"
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return res
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