fix: track column-only labels separately for grid

otherwise `set_label(.., column_only=True)` would not "remember" that
the caller requested column only, e.g. when extra filters are added
after the fact

src/wuttaweb/grids/base.py

@@ -119,9 +119,17 @@ class Grid:  # pylint: disable=too-many-instance-attributes,too-many-public-meth
 
     .. attribute:: labels
 
-       Dict of column label overrides.
+       Dict of column and/or filter label overrides.
 
-       See also :meth:`get_label()` and :meth:`set_label()`.
+       See also :attr:`column_labels`, :meth:`set_label()`,
+       :meth:`get_column_label()` and :meth:`get_filter_label()`.
+
+    .. attribute:: column_labels
+
+       Dict of label overrides for column only.
+
+       See also :attr:`labels`, :meth:`set_label()` and
+       :meth:`get_column_label()`.
 
     .. attribute:: centered
 
@@ -434,6 +442,7 @@ class Grid:  # pylint: disable=too-many-instance-attributes,too-many-public-meth
         self.key = key
         self.data = data
         self.labels = labels or {}
+        self.column_labels = {}
         self.checkable = checkable
         self.row_class = row_class
         self.actions = actions or []
@@ -628,35 +637,61 @@ class Grid:  # pylint: disable=too-many-instance-attributes,too-many-public-meth
 
     def set_label(self, key, label, column_only=False):
         """
-        Set/override the label for a column.
+        Set/override the label for a column and/or filter.
 
-        :param key: Name of column.
+        :param key: Key for the column/filter.
 
-        :param label: New label for the column header.
+        :param label: New label for the column and/or filter.
 
         :param column_only: Boolean indicating whether the label
            should be applied *only* to the column header (if
            ``True``), vs.  applying also to the filter (if ``False``).
 
-        See also :meth:`get_label()`.  Label overrides are tracked via
+        See also :meth:`get_column_label()` and
-        :attr:`labels`.
+        :meth:`get_filter_label()`.  Label overrides are tracked via
+        :attr:`labels` and :attr:`column_labels`.
         """
+        if column_only:
+            self.column_labels[key] = label
+        else:
             self.labels[key] = label
-
+            if key in self.filters:
-        if not column_only and key in self.filters:
                 self.filters[key].label = label
 
-    def get_label(self, key):
+    def get_label(self, key):  # pylint: disable=missing-function-docstring
+        warnings.warn(
+            "Grid.get_label() is deprecated; please use "
+            "get_filter_label() or get_column_label() instead",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        return self.get_filter_label(key)
+
+    def get_filter_label(self, key):
+        """
+        Returns the label text for a given filter.
+
+        If no override is defined, the label is derived from ``key``.
+
+        See also :meth:`set_label()` and :meth:`get_column_label()`.
+        """
+        if key in self.labels:
+            return self.labels[key]
+
+        return self.app.make_title(key)
+
+    def get_column_label(self, key):
         """
         Returns the label text for a given column.
 
         If no override is defined, the label is derived from ``key``.
 
-        See also :meth:`set_label()`.
+        See also :meth:`set_label()` and :meth:`get_filter_label()`.
         """
-        if key in self.labels:
+        if key in self.column_labels:
-            return self.labels[key]
+            return self.column_labels[key]
-        return self.app.make_title(key)
+
+        return self.get_filter_label(key)
 
     def set_centered(self, key, centered=True):
         """
@@ -2314,7 +2349,7 @@ class Grid:  # pylint: disable=too-many-instance-attributes,too-many-public-meth
             columns.append(
                 {
                     "field": name,
-                    "label": self.get_label(name),
+                    "label": self.get_column_label(name),
                     "hidden": self.is_hidden(name),
                     "sortable": self.is_sortable(name),
                     "searchable": self.is_searchable(name),

tests/grids/test_base.py

@@ -198,17 +198,48 @@ class TestGrid(WebTestCase):
         # can replace label
         grid.set_label("name", "Different")
         self.assertEqual(grid.labels["name"], "Different")
-        self.assertEqual(grid.get_label("name"), "Different")
+        self.assertEqual(grid.get_filter_label("name"), "Different")
+        self.assertEqual(grid.get_column_label("name"), "Different")
 
         # can update only column, not filter
         self.assertEqual(grid.labels, {"name": "Different"})
+        self.assertEqual(grid.column_labels, {})
         self.assertIn("name", grid.filters)
         self.assertEqual(grid.filters["name"].label, "Different")
         grid.set_label("name", "COLUMN ONLY", column_only=True)
-        self.assertEqual(grid.get_label("name"), "COLUMN ONLY")
+        self.assertEqual(grid.get_column_label("name"), "COLUMN ONLY")
-        self.assertEqual(grid.filters["name"].label, "Different")
+        self.assertEqual(grid.get_filter_label("name"), "Different")
+
+    def test_get_filter_label(self):
+        grid = self.make_grid(columns=["foo", "bar"])
+        self.assertEqual(grid.labels, {})
+
+        # default derived from key
+        self.assertEqual(grid.get_filter_label("foo"), "Foo")
+
+        # can override
+        grid.set_label("foo", "Different")
+        self.assertEqual(grid.get_filter_label("foo"), "Different")
+
+    def test_get_column_label(self):
+        grid = self.make_grid(columns=["foo", "bar"])
+        self.assertEqual(grid.labels, {})
+
+        # default derived from key
+        self.assertEqual(grid.get_column_label("foo"), "Foo")
+
+        # can override "globally"
+        grid.set_label("foo", "Different")
+        self.assertEqual(grid.get_column_label("foo"), "Different")
+
+        # can override for "just column"
+        grid.set_label("foo", "Col Lbl", column_only=True)
+        self.assertEqual(grid.get_column_label("foo"), "Col Lbl")
 
     def test_get_label(self):
+        # nb. the get_label() method is deprecated; can remove this
+        # test eventually
+
         grid = self.make_grid(columns=["foo", "bar"])
         self.assertEqual(grid.labels, {})
 

tests/views/test_batch.py

@@ -454,8 +454,8 @@ class TestBatchMasterView(WebTestCase):
                         self.assertEqual(
                             grid.columns, ["sequence", "status_code", "modified"]
                         )
-                        self.assertIn("sequence", grid.labels)
+                        self.assertIn("sequence", grid.column_labels)
-                        self.assertEqual(grid.labels["sequence"], "Seq.")
+                        self.assertEqual(grid.column_labels["sequence"], "Seq.")
                         self.assertEqual(grid.tools, {})
 
                         # missing 'sequence' column