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prjxray
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Fixes get_node_for_wire by initializing self.node 

Signed-off-by: Syed Tousif Ahmed <stahmed@seas.upenn.edu>
This commit is contained in:
Syed Tousif Ahmed 2020-11-26 22:47:49 -05:00
parent 2353b22ca5
commit 23059f6dc0
1 changed files with 5 additions and 2 deletions
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7
prjxray/node_model.py
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@ -45,7 +45,7 @@ class NodeModel():
self.nodes = None
self.wire_to_node_map = None
self.wire_to_node_map = {}
if progressbar is None:
self.progressbar = lambda x: x
@ -143,6 +143,9 @@ class NodeModel():
return self.nodes[tile, wire]
def _build_wire_to_node_map(self):
if self.nodes is None:
self._build_nodes()
for node, wires in self.nodes.items():
for tile_wire in wires:
assert tile_wire not in self.wire_to_node_map
@ -150,7 +153,7 @@ class NodeModel():
def get_node_for_wire(self, tile, wire):
""" Get node for specified tile and wire. """
if self.wire_to_node_map is None:
if not self.wire_to_node_map:
self._build_wire_to_node_map()
return self.wire_to_node_map[tile, wire]