Add support for old LSST GAIN or new LSST ISR GAIN keywords.

lsst · Jul 23, 2024 · 1014b82 · 1014b82
1 parent f69910c
commit 1014b82
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/python/lsst/cp/pipe/cpDark.py b/python/lsst/cp/pipe/cpDark.py
@@ -163,9 +163,12 @@ def _get_gains(exposure):
         gains = {}
         for amp in det:
             ampName = amp.getName()
-            key = f"LSST GAIN {ampName}"
-            if key in metadata:
-                gains[ampName] = metadata[key]
+            # The GAIN key may be the new LSST ISR GAIN or the old
+            # LSST GAIN.
+            if (key1 := f"LSST ISR GAIN {ampName}") in metadata:
+                gains[ampName] = metadata[key1]
+            elif (key2 := f"LSST GAIN {ampName}") in metadata:
+                gains[ampName] = metadata[key2]
             else:
                 gains[ampName] = amp.getGain()
         return gains