add filter for ValidationWarning (#367)

spacetelescope · Nov 25, 2024 · b36314f · b36314f
1 parent 4ea7d91
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diff --git a/changes/367.feature.rst b/changes/367.feature.rst
@@ -0,0 +1 @@
+Modify warning filters to re-show identical ValidationWarnings on re-validation.
diff --git a/src/stdatamodels/validate.py b/src/stdatamodels/validate.py
@@ -18,6 +18,11 @@ class ValidationWarning(Warning):
     pass
 
 
+# always show validation warnings unless another filter was added that
+# matches these warnings (by passing append=True)
+warnings.filterwarnings("always", category=ValidationWarning, append=True)
+
+
 def value_change(path, value, schema, ctx):
     """
     Validate a change in value against a schema.
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		Modify warning filters to re-show identical ValidationWarnings on re-validation.