Add CrashEngine exception.
R=tandrii@chromium.org
Bug: 910369
Change-Id: Iac9d92d273ec159bf6676b54693f203c031a4a22
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/recipes-py/+/1601453
Commit-Queue: Robbie Iannucci <iannucci@chromium.org>
Auto-Submit: Robbie Iannucci <iannucci@chromium.org>
Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
diff --git a/recipe_engine/internal/exceptions.py b/recipe_engine/internal/exceptions.py
index b4602c2..f1dcc5a 100644
--- a/recipe_engine/internal/exceptions.py
+++ b/recipe_engine/internal/exceptions.py
@@ -53,3 +53,16 @@
class UnresolvedRefspec(RecipeEngineError):
"""Raised from fetch.Backend.assert_resolved if the given revision is,
in fact, not resolved."""
+
+
+### BaseException-derived exceptions.
+
+class CrashEngine(BaseException):
+ """Raised from the engine when the user-provided functions (like step
+ callbacks) raise an exception.
+
+ This exception should only be handled by the recipe engine.
+ """
+ def __init__(self, reason):
+ super(CrashEngine, self).__init__(reason)
+ self.reason = reason
