Whole file

vivisect/vivisect

The author described this change as Visgraph bug older than dirt (#387). It counts as a record because the check below fails on the code as it stood at bed78fd01 and passes on ecc2866b3, with nothing else changed between the two runs.

Fix saved2021-04-06
Sharing licenceApache-2.0 · LICENSE.txt
Change size+15 9

What the code was meant to do, written into the code itself as a save note

Visgraph bug older than dirt (#387)

The change

320320 '''
321321 pval = node[1].pop(prop,None)
322322 if pval is not None:
323- vlist = self.nodeprops[prop][pval]
324- vlist.remove(node)
325- if not vlist:
326- self.nodeprops[prop].pop(pval,None)
323+ try:
324+ vlist = self.nodeprops[prop][pval]
325+ vlist.remove(node)
326+ if not vlist:
327+ self.nodeprops[prop].pop(pval,None)
328+ except TypeError:
329+ pass # no value indexes for unhashable types
327330 return pval
328331
329332 def delNodesProps(self, props):
348351 self.delEdge(edge)
349352 for edge in self.getRefsTo(node)[:]:
350353 self.delEdge(edge)
351- [ self.delNodeProp(node, k) for k in node[1].keys() ]
354+ [ self.delNodeProp(node, k) for k in list(node[1].keys()) ]
352355 return self.nodes.pop(node[0])
353356
354357 def getNode(self, nid):
449452 '''
450453 v = edge[3].pop(prop,None)
451454 if v is not None:
452- vlist = self.edgeprops[prop][v]
453- vlist.remove(edge)
454- if not vlist:
455- self.edgeprops[prop].pop(v,None)
455+ try:
456+ vlist = self.edgeprops[prop][v]
457+ vlist.remove(edge)
458+ if not vlist:
459+ self.edgeprops[prop].pop(v,None)
460+ except TypeError:
461+ pass # no value indexes for unhashable types
456462 return v
457463
458464 def delEdgesProps(self, props):

The check that tells the two apart

failpass·visgraph/tests/test_graphcore.py::GraphCoreTest::test_visgraph_add_del_misc_properties

Check file visgraph/tests/test_graphcore.py, taken without changes from the fix and copied onto the older code, so the exact same check runs against both versions.

Origin and history

The code before itbed78fd01526db0e506af909688c4b136f70f257
Broken version dated2021-04-05
Modulevisgraph.graphcore
Units changedGraph
Fingerprint9123920d7ff1738f
Checked2026-08-18 by goldset/0.1

Every field above is generated by our program. None of it is written by hand.

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