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Python: Allow CallNode.getArgByName for keyword args after **kwargs

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Rasmus Wriedt Larsen
2022-09-12 15:03:13 +02:00
parent 3384521fb6
commit 4296ac1ac0
3 changed files with 6 additions and 2 deletions
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4
python/ql/lib/change-notes/2022-09-12-CallNode-getArgByName.md Normal file
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@@ -0,0 +1,4 @@
---
category: minorAnalysis
---
* Changed `CallNode.getArgByName` such that it has results for keyword arguments given after a dictionary unpacking argument, as the `bar=2` argument in `func(foo=1, **kwargs, bar=2)`.

2
python/ql/lib/semmle/python/Flow.qll
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@@ -376,7 +376,7 @@ class CallNode extends ControlFlowNode {
ControlFlowNode getArgByName(string name) {
exists(Call c, Keyword k |
this.getNode() = c and
k = c.getAKeyword() and
k = c.getANamedArg() and
k.getValue() = result.getNode() and
k.getArg() = name and
result.getBasicBlock().dominates(this.getBasicBlock())