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[core] Graph: change signature of dfsOnFinish()

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Julien-Haudegond 2020-09-04 13:05:18 +02:00
parent b567d8ff5c
commit e4a95e89dc
1 changed files with 15 additions and 4 deletions
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19
meshroom/core/graph.py
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@ -701,22 +701,33 @@ class Graph(BaseObject):
colors[u] = BLACK colors[u] = BLACK
visitor.finishVertex(u, self) visitor.finishVertex(u, self)
def dfsOnFinish(self, startNodes=None): def dfsOnFinish(self, startNodes=None, longestPathFirst=False, reverse=False):
""" """
:param startNodes: list of starting nodes. Use all leaves if empty. Return the node chain from startNodes to the graph roots/leaves.
:return: visited nodes and edges. The order is defined by the visit and finishVertex event. Order is defined by the visit and finishVertex event.
Args:
startNodes (Node list): the nodes to start the visit from.
longestPathFirst (bool): (optional) if multiple paths, nodes belonging to
the longest one will be visited first.
reverse (bool): (optional) direction of visit.
True is for getting nodes depending on the startNodes (to leaves).
False is for getting nodes required for the startNodes (to roots).
Returns:
The list of nodes and edges, from startNodes to the graph roots/leaves following edges.
""" """
nodes = [] nodes = []
edges = [] edges = []
visitor = Visitor() visitor = Visitor()
visitor.finishVertex = lambda vertex, graph: nodes.append(vertex) visitor.finishVertex = lambda vertex, graph: nodes.append(vertex)
visitor.finishEdge = lambda edge, graph: edges.append(edge) visitor.finishEdge = lambda edge, graph: edges.append(edge)
self.dfs(visitor=visitor, startNodes=startNodes) self.dfs(visitor=visitor, startNodes=startNodes, longestPathFirst=longestPathFirst, reverse=reverse)
return nodes, edges return nodes, edges
def dfsOnDiscover(self, startNodes, filterTypes=None, longestPathFirst=False, reverse=False): def dfsOnDiscover(self, startNodes, filterTypes=None, longestPathFirst=False, reverse=False):
""" """
Return the node chain from startNodes to the graph roots/leaves. Return the node chain from startNodes to the graph roots/leaves.
Order is defined by the visit and discoverVertex event.
Args: Args:
startNodes (Node list): the nodes to start the visit from. startNodes (Node list): the nodes to start the visit from.