deprecate schema_editor

changes/352.removal.rst

@@ -0,0 +1 @@
+Deprecate schema_editor submodule.

src/stdatamodels/jwst/datamodels/conftest.py

@@ -2,6 +2,10 @@
 import os
 
 
+# this submodule is deprecated and contains no tests
+collect_ignore = ["schema_editor.py"]
+
+
 @pytest.fixture
 def jail_environ():
     """Lock changes to the environment"""

src/stdatamodels/jwst/datamodels/schema_editor.py

@@ -51,6 +51,7 @@
 import os.path
 import re
 import sys
+import warnings
 from urllib.parse import urlparse
 import yaml
 
@@ -68,6 +69,12 @@
            "Keyword_db", "Model_db", "Options", "Schema_editor",]
 
 
+warnings.warn(
+    "The schema_editor submodule and it's contents are deprecated "
+    "and will be removed in an upcoming release",
+    UserWarning,
+)
+
 def enquote(value):
     """
     Put quote marks around value if it contains special characters