Add make_status_renderer() to MasterView

batches aren't the only table/view where a status code/text combo may
be in use

tailbone/views/batch/core.py

@@ -419,17 +419,6 @@ class BatchMasterView(MasterView):
                 f.remove_fields('executed',
                                 'executed_by')
 
-    def make_status_renderer(self, enum):
-        def render_status(batch, field):
-            value = batch.status_code
-            if value is None:
-                return ""
-            status_code_text = enum.get(value, six.text_type(value))
-            if batch.status_text:
-                return HTML.tag('span', title=batch.status_text, c=status_code_text)
-            return status_code_text
-        return render_status
-
     def render_complete(self, batch, field):
         permission_prefix = self.get_permission_prefix()
         use_buefy = self.get_use_buefy()

tailbone/views/master.py

@@ -953,6 +953,24 @@ class MasterView(View):
 
         return email_key
 
+    def make_status_renderer(self, enum):
+        """
+        Creates and returns a function for use with rendering a
+        "status combo" field(s) for a record.  Assumes the record has
+        both ``status_code`` and ``status_text`` fields, as batches
+        do.  Renders the simple status code text, and if custom status
+        text is present, it is rendered as a tooltip.
+        """
+        def render_status(obj, field):
+            value = obj.status_code
+            if value is None:
+                return ""
+            status_code_text = enum.get(value, six.text_type(value))
+            if obj.status_text:
+                return HTML.tag('span', title=obj.status_text, c=status_code_text)
+            return status_code_text
+        return render_status
+
     def before_create_flush(self, obj, form):
         pass