limit cache size, fix tests

SciTools · Feb 12, 2024 · f501454 · f501454
1 parent a503041
commit f501454
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/lib/iris/exceptions.py b/lib/iris/exceptions.py
@@ -349,7 +349,7 @@ class IrisSaverFillValueWarning(IrisMaskValueMatchWarning, IrisSaveWarning):
  pass
 
 
-@lru_cache(None)
+@lru_cache(128)
 def warn_once(msg, stacklevel, frame, **kwargs):
  """Raise a warning only if a similar one has not been raised before."""
  warnings.warn(msg, stacklevel=stacklevel, **kwargs)

diff --git a/lib/iris/fileformats/_nc_load_rules/helpers.py b/lib/iris/fileformats/_nc_load_rules/helpers.py
@@ -521,7 +521,7 @@ def _get_ellipsoid(cf_grid_var):
  "applied. To apply the datum when loading, use the "
  "iris.FUTURE.datum_support flag."
  )
- iris.exceptions.warn_once_at_level(wmsg, FutureWarning, category=FutureWarning, stacklevel=14)
+ iris.exceptions.warn_once_at_level(wmsg, category=FutureWarning, stacklevel=14)
  datum = None
 
  if datum is not None: