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[processing] Fix potential crash when calling processing.run with
custom context, but no feedback object

(cherry-picked from 977e14b)
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nyalldawson committed Jun 28, 2018
1 parent 15ab4c1 commit 543df81b253b513ffba1afefe44f1736d6ad374a
Showing 1 changed file with 3 additions and 0 deletions.
@@ -135,6 +135,9 @@ def runAlgorithm(algOrName, parameters, onFinish=None, feedback=None, context=No
if context is None:
context = dataobjects.createContext(feedback)

if context.feedback() is None:
context.setFeedback(feedback)

ok, msg = alg.checkParameterValues(parameters, context)
if not ok:
msg = Processing.tr('Unable to execute algorithm\n{0}').format(msg)

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