apply_measure already makes copies

spjuhel · spjuhel · commit 77b76c44b5f8 · 2026-01-06T12:00:21.000+01:00
diff --git a/climada/trajectories/snapshot.py b/climada/trajectories/snapshot.py
@@ -226,7 +226,7 @@ def apply_measure(self, measure: Measure) -> "Snapshot":
             impfset=impfset,
             date=self.date,
             measure=measure,
-            ref_only=False,
+            ref_only=True,  # Avoid unecessary copies of new objects
             _from_factory=True,
         )
         return snap

Original file line number	Diff line number	Diff line change
`@@ -226,7 +226,7 @@ def apply_measure(self, measure: Measure) -> "Snapshot":`
`226`	`226`	`impfset=impfset,`
`227`	`227`	`date=self.date,`
`228`	`228`	`measure=measure,`
`229`		`- ref_only=False,`
	`229`	`+ ref_only=True, # Avoid unecessary copies of new objects`
`230`	`230`	`_from_factory=True,`
`231`	`231`	`)`
`232`	`232`	`return snap`