better underscore to readable

src/quorum/test/util.py

@@ -352,6 +352,30 @@ def test_underscore_to_readable(self):
         self.assertEqual(type(result), str)
         self.assertEqual(result, "Hello World Hello World")
 
+        result = quorum.underscore_to_readable("hello_world_")
+        self.assertEqual(type(result), str)
+        self.assertEqual(result, "Hello world")
+
+        result = quorum.underscore_to_readable("hello_world_", capitalize = True)
+        self.assertEqual(type(result), str)
+        self.assertEqual(result, "Hello World")
+
+        result = quorum.underscore_to_readable("__hello_world__")
+        self.assertEqual(type(result), str)
+        self.assertEqual(result, "Hello world")
+
+        result = quorum.underscore_to_readable("__hello_world__", capitalize = True)
+        self.assertEqual(type(result), str)
+        self.assertEqual(result, "Hello World")
+
+        result = quorum.underscore_to_readable("__hello___world__")
+        self.assertEqual(type(result), str)
+        self.assertEqual(result, "Hello world")
+
+        result = quorum.underscore_to_readable("__hello___world__", capitalize = True)
+        self.assertEqual(type(result), str)
+        self.assertEqual(result, "Hello World")
+
     @quorum.secured
     def test_generate_identifier(self):
         identifier = quorum.generate_identifier(

src/quorum/util.py

@@ -858,6 +858,7 @@ def underscore_to_readable(underscore, capitalize = False):
     """
 
     parts = underscore.split("_")
+    parts = [part for part in parts if part]
     if capitalize: parts = [part[0].upper() + part[1:] for part in parts]
     else: parts[0] = parts[0][0].upper() + parts[0][1:]
     return " ".join(parts)