fix: do not auto-create grid filters for uuid columns

src/wuttaweb/grids/base.py

@@ -41,6 +41,7 @@ from webhelpers2.html import HTML
 from wuttaweb.db import Session
 from wuttaweb.util import FieldList, get_model_fields, make_json_safe
 from wuttjamaican.util import UNSPECIFIED
+from wuttjamaican.db.util import UUID
 from wuttaweb.grids.filters import default_sqlalchemy_filters, VerbNotSupported
 
 
@@ -1136,14 +1137,15 @@ class Grid:
 
     def make_backend_filters(self, filters=None):
         """
-        Make backend filters for all columns in the grid.
+        Make "automatic" backend filters for the grid.
 
         This is called by the constructor, if :attr:`filterable` is
         true.
 
-        For each column in the grid, this checks the provided
-        ``filters`` and if the column is not yet in there, will call
-        :meth:`make_filter()` to add it.
+        For each "column" in the model class, this will call
+        :meth:`make_filter()` to add an automatic filter.  However it
+        first checks the provided ``filters`` and will not override
+        any of those.
 
         .. note::
 
@@ -1181,9 +1183,18 @@ class Grid:
 
             inspector = sa.inspect(self.model_class)
             for prop in inspector.column_attrs:
-                if prop.key not in filters:
-                    attr = getattr(self.model_class, prop.key)
-                    filters[prop.key] = self.make_filter(attr)
+
+                # do not overwrite existing filters
+                if prop.key in filters:
+                    continue
+
+                # do not create filter for UUID field
+                if (len(prop.columns) == 1
+                    and isinstance(prop.columns[0].type, UUID)):
+                    continue
+
+                attr = getattr(self.model_class, prop.key)
+                filters[prop.key] = self.make_filter(attr)
 
         return filters
 

tests/grids/test_base.py

@@ -1021,6 +1021,9 @@ class TestGrid(WebTestCase):
             self.assertIn('active', filters)
             # nb. relationship not included by default
             self.assertNotIn('person', filters)
+            # nb. uuid fields not included by default
+            self.assertNotIn('uuid', filters)
+            self.assertNotIn('person_uuid', filters)
 
     def test_make_filter(self):
         model = self.app.model