Add field to TableFieldInfo (#117)

* feat: add `has_mode` field to `TableFieldInfo`

* test: test_get_fields_type_table updated to check has_mode

* doc: add `has_mode` to `TableFieldInfo` docstring

Author: hyperrealist

src/pandablocks/commands.py

@@ -701,6 +701,7 @@ def _table(
             int(max_length),
             fields_dict,
             row_words,
+            has_mode=version >= (4, 0),
         )
 
         return field_name, field_info

src/pandablocks/responses.py

@@ -148,11 +148,16 @@ class TableFieldDetails:
 
 @dataclass
 class TableFieldInfo(FieldInfo):
-    """Extended `FieldInfo` for fields with type "table"""
+    """Extended `FieldInfo` for fields with type "table"
+
+    Attribute "has_mode" is set to True when created from `GetFieldInfo`
+    with API version >= (4, 0)
+    """
 
     max_length: int
     fields: dict[str, TableFieldDetails]
     row_words: int
+    has_mode: bool = False
 
 
 @dataclass

tests/test_pandablocks.py

@@ -993,9 +993,18 @@ def test_get_fields_parameterized_type(
     ]
 
 
-def test_get_fields_type_table():
+@pytest.mark.parametrize(
+    "api_version,expected_has_mode",
+    [
+        ((3, 9), False),
+        ((4, 0), True),
+        ((4, 1), True),
+    ],
+)
+def test_get_fields_type_table(api_version, expected_has_mode):
     """Test for table field type, including descriptions and retrieving enum labels"""
     conn = ControlConnection()
+    conn.set_api(api_version)
     cmd = GetFieldInfo("SEQ")
     assert conn.send(cmd) == b"SEQ.*?\n"
 
@@ -1062,6 +1071,7 @@ def test_get_fields_type_table():
                             labels=None,
                         ),
                     },
+                    has_mode=expected_has_mode,
                 )
             },
         )