(self, node=None)
| 112 | return None |
| 113 | |
| 114 | def getNodeStem(self, node=None): |
| 115 | with self.lock: |
| 116 | try: |
| 117 | return self.nodeMap[node] |
| 118 | except KeyError: |
| 119 | self.nodeMap[node] = self.pickStem(node) |
| 120 | return self.nodeMap[node] |
| 121 | |
| 122 | def expire(self): |
| 123 | with self.lock: |